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Best Ohmmeters - Buying Guide

Last Updated: 04/21/2019

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  #1

AEMC 2126.53 Digital Megohmmeter, 1000V

Model: 6527   |    Mpn: 2126.53   |    Ean: 0685338150230   |    PartNumber: 2126.53   |   Asin: B00A8P4U8A

Test lead resistance compensation for accurate low resistance measurements, Auto Hold function to "freeze" readings Auto power off

Features

  • True Megohmmeter
  • Insulation test voltage selections of 250V, 500V and 1000V
  • EST LOCK feature for timed measurements up to 15 minutes
  • Auto discharge after insulation test
  • AC/DC voltmeter to 600VAC/1000VDC
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Brand: AEMC   |   Manufacturer: AEMC

Package Dimensions: 2.9 x 6.4 x 9.3 inches (7.4 x 16.3 x 23.6 cm)

Amazon Price: $255.55 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $269.00 | Used Price: $205.15

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  #2

Akozon ohm Earth Ground Resistance Meter Tester VC4105A Professional Digital AC Voltage Measurement -20 /200 /2000 Voltage Meter -1999 LCD Display

 Ean: 0741870620669   |    PartNumber: Xinrub2yoiedws6a   |   Asin: B07D7663KY

Specifications:
ACV Port: Voltage input
Over-range Indication: Display "1"
No-load Power Consumption:

Features

  • High Quality Materia VC4105A Earth Resistance tester is a professional instrument in dectecing ground resistance of the electrical equipments. Upgraded from the traditional ground resistance meter with its circuit, structure and technics. Now present as fashionable, precise and easy operational.Thanks to robust housing, compact inner structure, This Resistance Meter offers the perfect features of drop-resistance and super long lifespan.
  • Easing Reading LCD display shows measured data and unit symbols.78x50mm(3*2 inches) display window LCD display, large-screen display value for your reading. The maximum display 1999 is more accurate.Overload indication: Show as1 when input overload.support low battery indication.
  • Range Selection Switch 20 /200 /2000 /EARTH VOLTAGE.More choices, you can choose the measurement range you want, so that you can use in many situations.Also accessible for AC current measuring.Powered by 8 AA 1.5V alkaline batteries (NOT included).
  • Easy To Use Self-locking measurement button:Press the test button from the bottom right to start the test. HOLD is a Digit hold switch,POWER is a Self-locking type power switch .Test working indication light: When testing right wiring this light will turn on.
  • Easy To Use Self-locking measurement button:Press the test button from the bottom right to start the test. HOLD is a Digit hold switch,POWER is a Self-locking type power switch .Test working indication light: When testing right wiring this light will turn on.
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Brand: Xinrub   |   Manufacturer: Xinrub

Item Dimensions: 4.8 x 9.45 x 11.02 inches (12.2 x 24.0 x 28.0 cm)   |   Package Dimensions: 4.57 x 9.92 x 11.18 inches (11.6 x 25.2 x 28.4 cm)

Amazon Price: $129.99 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $129.99

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  #3

Estone BM500A 1000V 1999M Digital Insulation Resistance Tester Meter Megohmmeter

 Ean: 0520345263613   |   Asin: B00HH3ZTKE

100% brand new and high quality Digital Insulation Resistance Tester High-pressure warning light output Maximum Display : 1999 Insulation resistance measurement voltage : 250V, 500V, 1000V Insulation resistance measurement range : 0 ~ 2000M Short circuit current: no less than 2mA Test accuracy : 5% 5 Data hold function Power supply : 6F22 , or 9V 1 Dimensions : 138 69 31mm Digital Insulation Resistance Testers MODEL: BM500A Testing Voltage: 250/500/1000 Resistance: 0~1999M (5%+5) Auto Range: yes Data Hold: yes Load current: 2ma Low Battery Warning: yes LCD MAX. Count: 1999 User Manual Download: ftp://tools%40winddeal.net:qq684024@ftp.winddeal.net/D6309%20D6310.doc

Package includes: BM500A Insulation Resistance Tester x 1

Features

  • Digital Insulation Resistance Tester
  • High-pressure warning light output
  • Maximum Display : 1999
  • Insulation resistance measurement voltage : 250V, 500V, 1000V
  • Insulation resistance measurement range : 0 ~ 2000M
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Brand: Estone   |   Manufacturer: Estone

Package Dimensions: 1.9 x 4 x 5.9 inches (4.8 x 10.2 x 15.0 cm)

Amazon Price: $25.99 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $25.99

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  #4

Jiayuane Digital LED Ohm Meter Resistance Reader Voltage Tester Coil Vape Tester For RBA RDA Atomizer

Model: Е15   |    Mpn: TP-73437   |    Ean: 0602217875657   |    PartNumber: TP-73437   |   Asin: B0791XY8NX

Features:
100% brand new and high quality.
Designed for testing resistance and voltage of e-cigarette products.
Small size, portable design.
Can be used for testing devices with thread of EGO 510 808D, M7 M8, etc.
Color: Black
Material: Plastic+electron components
Testable Resistance: 0.00~20.00
Testable Voltage: 0.00~12.00V
Required: 2x AA battery(NOT included)

Package Included:
1 x Ohm/Voltage Meter

Features

  • LCD screen reads from 0.00 to 20.00ohms
  • Operating voltage:0.00 ~ 12.00V
  • Designed for testing resistance and voltage of e-cigarette products.
  • Required: 2x AA battery(NOT included)
  • Can be used for testing devices with thread of EGO 510 808D, M7 M8, etc.
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Brand: Tiptiper   |   Manufacturer: Tiptiper

Package Dimensions: 0.79 x 3.94 x 4.72 inches (2.0 x 10.0 x 12.0 cm)

Amazon Price: $7.42 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $12.40

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  #5

Megger 18313 Carrying Case for All DLRO Leads

Model: 18313   |    Mpn: 18313   |    PartNumber: 18313   |   Asin: B005T9DMGG

The Megger 18313 carrying case is a soft tote bag for storing and transporting Megger digital low-resistance test leads. It has a front pocket with snaps for organizing small pieces, and it comes with a carrying handle and shoulder strap for one-handed or hands-free carrying.

Megger manufactures equipment for cable fault locating, protective relay testing, telecommunications and data integrity, and power quality testing under multiple brand names, among them Megger, Biddle, States, and AVO. The company, founded in 1889, is headquartered in Dover, England, and meets International Organization for Standardization (ISO) 9001:2008 standards.

Features

  • Soft tote bag for storing and transporting Megger digital low-resistance test leads
  • Front pocket with snaps for organizing small pieces
  • Carrying handle and shoulder strap one-handed or hands-free carrying
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Brand: Megger   |   Manufacturer: Megger

Package Dimensions: 2.3 x 9.4 x 12 inches (5.8 x 23.9 x 30.5 cm)

Amazon Price: $185.23 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 3-5 weeks
List Price: $180.00

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  #6

Extech 380460 Precision 110VAC Milliohm Meter

Model: 380460   |    Mpn: 380460   |    Ean: 0793950384602   |    PartNumber: 380460   |   Asin: B000NI2BFQ

View larger 110V Precision Milliohm Meter Compact and precise, the Extech 380460 Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the unit's large 0.7-inch 1999 count LCD.

Other Features A durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 110VAC 60 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category.

What is a MilliOhm? The units of measure for resistances less than 1 Ohm ( ) are Milli- (m ) and Micro-( )Ohms. One MilliOhm (1m ) is equal to one thousandth of an ohm (0.001). One MicroOhm (1 ) is equal to one millionth of an ohm (0.000001). For example, 0.5 ohms (one half an ohm) is equal to 500m .


Why bother measuring resistances so low? It may seem like too small a resistance to be of any consequence but many safety standards (UL, CSA, VDE, etc.) require that such resistances be measured during the manufacture of consumer products, hand tools, and many appliances. A good example is the testing of kitchen appliances.

Why are 4-wire connections required when making milliohm measurements? Test leads always introduce a small amount of additional resistance into a measurement. This is acceptable in non-critical measurements such as megohm resistances. However, when measuring milliohms in a critical application, any additional resistance can render the measurement useless. This is why 4-wire (Kelvin) connections are imperative.

More Extech Instruments to Choose From View larger 380462 220-Volt Precision Milliohm Meter Precision Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the large 0.7-inch 1999 count LCD. Additional features include a durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 220 VAC 50 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category.

View larger 380580 Battery Powered Milliohm Meter Battery operated Milliohm Meter has 5 ranges and measures down to 0.1 milliohms. Measurements are displayed on a large, 2000 count LCD. Additional features include over-temperature and over-voltage protection, Auto-Hold, Auto power off, and invalid test indicators to prevent inaccurate measurement. Unit is housed in a built-in water resistant case and comes complete with eight AA batteries, and two sets of test leads (4-wire with four alligator clips and 4-wire with two Kelvin alligator clips).

View larger 380560 High Resolution Precision Milliohm Meter Benchtop Milliohm Meter has 7 ranges and measures down to 0.01 milliohms. Measurements are displayed on a 1999 count display with 0.8-inch digits. Additional features include: automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 110VAC and comes complete with 4-wire cables with Kelvin clip connectors.

View larger 380562 220-Volt High Resolution Precision Milliohm Meter Benchtop Milliohm Meter has 7 ranges and measures down to 0.01 milliohms. Measurements are displayed on a 1999 count display with 0.8-inch digits. Additional features include: automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 220 VAC and comes complete with 4-wire cables with Kelvin clip connectors.

Features

  • Portable Milliohm meter provides resolution to 100 Ohm
  • High accuracy and performance for low resistance measurements
  • Large 0.7-Inch (18mm) LCD 1999 count
  • 4-wire cables with Kelvin clip connectors
  • Manual zero display adjust
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Brand: Extech   |   Manufacturer: Extech

Package Dimensions: 4.3 x 6.5 x 9.8 inches (10.9 x 16.5 x 24.9 cm)

Amazon Price: $343.30 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $399.99 | Used Price: $219.38

Warranty: 1 year

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  #7

Extech 380560 High Resolution Precision Milliohm Meter

Model: 380560   |    Mpn: 380560   |    Ean: 0784497228856   |    PartNumber: 380560   |   Asin: B00023RU08

View larger High Resolution Precision Milliohm Meter Compact and precise, the Extech 380560 Milliohm Meter has 7 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the unit's large 0.8-inch, 1999-count LCD.

Other Features Automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 110VAC and comes complete with 4-wire cables with Kelvin clip connectors.

What is a MilliOhm? The units of measure for resistances less than 1 Ohm ( ) are Milli- (m ) and Micro-( )Ohms. One MilliOhm (1m ) is equal to one thousandth of an ohm (0.001). One MicroOhm (1 ) is equal to one millionth of an ohm (0.000001). For example, 0.5 ohms (one half an ohm) is equal to 500m .


Why bother measuring resistances so low? It may seem like too small a resistance to be of any consequence but many safety standards (UL, CSA, VDE, etc.) require that such resistances be measured during the manufacture of consumer products, hand tools, and many appliances. A good example is the testing of kitchen appliances.

Why are 4-wire connections required when making milliohm measurements? Test leads always introduce a small amount of additional resistance into a measurement. This is acceptable in non-critical measurements such as megohm resistances. However, when measuring milliohms in a critical application, any additional resistance can render the measurement useless. This is why 4-wire (Kelvin) connections are imperative.

More Extech Instruments to Choose From View larger 380562 220-Volt High Resolution Precision Milliohm Meter Benchtop Milliohm Meter has 7 ranges and measures down to 0.01 milliohms. Measurements are displayed on a 1999 count display with 0.8-inch digits. Additional features include: automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 220 VAC and comes complete with 4-wire cables with Kelvin clip connectors.

View larger 380580 Battery Powered Milliohm Meter Battery operated Milliohm Meter has 5 ranges and measures down to 0.1 milliohms. Measurements are displayed on a large, 2000 count LCD. Additional features include over-temperature and over-voltage protection, Auto-Hold, Auto power off, and invalid test indicators to prevent inaccurate measurement. Unit is housed in a built-in water resistant case and comes complete with eight AA batteries, and two sets of test leads (4-wire with four alligator clips and 4-wire with two Kelvin alligator clips).

View larger 380460 110-Volt Precision Milliohm Meter Precision Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the large 0.7-inch 1999 count LCD. Additional features include a durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 110VAC 60 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category.

View larger 380462 220-Volt Precision Milliohm Meter Precision Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the large 0.7-inch 1999 count LCD. Additional features include a durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 220 VAC 50 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category.

Features

  • 7 resistance ranges measure from 200m? to 20k?
  • High resolution down to 0.01m?
  • 4-wire test cable with Kelvin clip connection
  • Built-in comparator for Hi/Low/Pass resistor sorting
  • Automatic zero
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Brand: Extech   |   Manufacturer: Extech Instruments

Item Dimensions: 8.3 x 3.5 x 11 inches (21.1 x 8.9 x 27.9 cm)   |   Package Dimensions: 6.3 x 11.18 x 14.37 inches (16.0 x 28.4 x 36.5 cm)

Amazon Price: $500.68 | as of 04/21/2019(7:16pm pst)
Availibility:
List Price: $509.00

Warranty: 1 year

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  #8

Kimdrox Voltage Ohm Meter 510 808D Resistance Reader Tester Portable Digital Ohm & Volt Ohmmeter Resistance Guage Red LED Display

 Ean: 0702334717523   |    PartNumber: Kimdrox   |   Asin: B00SWZ8Y80

Any product questions, please contact us! We sincerely hope that we can give our customers 100% product and services.

Description:
1xOhm Meter Device

Features

  • The Multimeter built-in coil threading connections for voltage and ohm readings
  • Test range: 0.00 to 20.00 ohms
  • Test battery pole voltage, test range: 0.00 ~ 6.00V
  • Red LED display, 3 in 1 nut connector
  • Requires 2 X AA batteries(Not included); Size:69mmx48mmx17mm
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Brand: Kimdrox   |   Manufacturer: Kimdrox

Package Dimensions: 1.3 x 2.1 x 3 inches (3.3 x 5.3 x 7.6 cm)

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  #9

AEMC 6240 Four-Input Digital Microohm Meter with 10A Kelvin Clips and DataView Software, 6 Test Ranges, 400 Ohms Resistance

Model: 6240   |    Mpn: 2129.8   |    Ean: 0685338010053   |    PartNumber: 2129.8   |   Asin: B008S0BULC

The AEMC 6240 digital microohm meter with data analysis software is a manual-ranging four-input meter with six test current and resistance ranges for precise, low-resistance measurements from 1 microohm ( ) to 400 ohms ( ) of switches, relays, test wires, cables, printed circuit boards, and other electrical components. Four input terminals enable Kelvin-type, four-wire resistance measurements, which are more accurate than two-wire resistance measurements. The meter includes PC software for configuring the meter, storing and analyzing data, generating reports, and performing temperature compensation of readings. The software is compatible with Windows XP, Vista, 7, and 8, and requires at least 80MB of hard disk space. A cable with USB connector is included for connecting from the meter's optical interface to a PC. The meter's memory function allows storage of up to 99 readings. The polarity reversal function improves reading accuracy by compensating for interference from thermal electromagnetic fields (EMF). When measurement is complete, residual voltage will be automatically discharged from the device under test. Built into a sealed field case, the meter has a 4,000-count LCD with a backlight for visibility in low light. It operates on a rechargeable 6-volt nickel-metal hydride (NiMH) battery pack (included) and has a low-battery indicator that signals when the battery needs to be recharged. It comes with a set of test leads with Kelvin clips, data analysis software, a pad of 50 test results forms, an interface cable with USB and optical connectors, a 115V power cord, two 12.5A replacement fuses, a carrying bag, and instructions. Milliohm meters are commonly used for electrical maintenance and testing in industries such as heating, ventilation, and air conditioning (HVAC), transportation, telecommunications, power plants, and utilities, among others.

This manual-ranging meter allows the user to select the operating range for measurements. Accuracy and resolution specifications vary according to the range being measured. It meets European Standard (EN) safety standard 61010-1 and is rated for category III installations to 50 volts, which covers equipment in fixed installations, such as switches in the fixed installation and some industrial equipment that is permanently connected to the fixed installation, and category II installations to 300 volts, which covers energy-consuming equipment connected to a fixed installation, including household, office, and laboratory appliances. It has European Conformity (CE) marking.

Specifications Resistance measured 1 to 400 Test current/resistance ranges 10A/4,000 , 1A/40m , 1A/400m , 100mA/4,000m , 10mA/40 , 10mA/400 Installation rating Category III, 50V; category II, 300V Standards met European Standard (EN) safety standard 61010-1; European Conformity (CE) marking Power supply Rechargeable 6V nickel-metal hydride (NiMH) battery pack Weight 4.5kg/10 lbs. Dimensions (H x W x D) 248 x 272 x 182mm/9.76 x 10.7 x 7.17 H is height, the vertical distance from lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.

Ohmmeters measure resistance to the flow of current in an electrical component or circuit and check the continuity of an electrical circuit to detect electrical problems such as degraded insulation and improper circuit connections in equipment, wiring, and power supplies. Resistance is an indicator of the overall condition of the device being tested. Microohm meters and milliohm meters measure small resistance values, and megohm meters (also known as megaohm meters, or insulation resistance meters) measure large resistance values. Ohmmeters have an internal power supply, such as a battery or a capacitor, which supplies current to a circuit or component that is turned off. Test leads are connected in a series to the meter and the circuit or device being tested. As current flows through the circuit or device, the meter calculates the difference in voltage between the leads and measures the resistance. Ohmmeters have either two or four input terminals for test lead attachment. The two-terminal, or two-wire, measurement method provides measurements that include the resistance of the circuit or device being tested and the resistance of the test leads. Megohm meters generally use the two-wire method because it provides sufficient accuracy for measuring large values of resistance in insulation testing applications. The four-wire method eliminates resistance from the test leads and measures only the resistance of the circuit or device being tested. Milliohm and microohm meters generally use the four-wire method because it provides a greater degree of accuracy for measuring smaller values of resistance in low-resistance applications. AEMC Instruments manufactures electrical testing and measurement instruments, including clamp meters, power quality analyzers, ground resistance testers, and data loggers. The company, founded in 1893, is headquartered in Foxborough, MA.

What's in the Box? AEMC 6240 digital microohm meter Set of test leads with Kelvin clips Data analysis software Pad of 50 test result forms USB interface cable 115V power cord (2) 12.5A fuses Rechargeable 6V nickel-metal hydride (NiMH) battery pack Carrying bag Instructions

Features

  • Digital microohm meter has six test current and resistance ranges for low-resistance measurements from 1 microohm to 400 ohms
  • Four input terminals for taking Kelvin-type, four-wire resistance measurements, which are more accurate than two-wire resistance measurements
  • Includes PC software for configuring the meter, storing and analyzing data, generating reports, and performing temperature compensation of readings
  • Polarity reversal function improves reading accuracy by compensating for interference from thermal electromagnetic fields (EMF)
  • Meets EN safety standard 61010-1, and is rated for CAT III installations to 50 volts and CAT II installations to 300 volts
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Brand: AEMC   |   Manufacturer: AEMC

Package Dimensions: 10.9 x 12.2 x 20 inches (27.7 x 31.0 x 50.8 cm)

First Available: 2017-05-15

Amazon Price: $2,845.25 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $2,895.00

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  #10

250V~1000V Digital Insulation Resistance Tester Megohm Meter with Test Probe & Crocodile Clips

 PartNumber: TH113   |   Asin: B07KPBJ83M

Introduction:
The whole instrument is stylish and superior grade in appearance and highly stable in performance. It can be operated by both hands through using a shoulder strap. It is most suitable for the needs of insulation resistance check, such as electric, cable, electrical and mechanical equipment, telecommunication equipment and electrical facilities.
Specification:
Measuring Voltage: 50V 10% 500V 10% 1000V 10%
Insulation Range: 0.1M ~20 M 0.1M ~50 M 0.1M ~100 M
20M ~500 M 50M ~1000 M 100M ~2000 M
Accuracy: 1%
Voltage Test(AC750V) Accuracy: (2.0% of reading )
Input Impendance: 1M
Max. Display: 1999
Over Range Display: "1"
Operating Temperature: 0 ~40
Relative Humidity: 30%RH~85%RH
Dimension: 175 110 70mm
Weight: 900g
Power: 8 x AA/1.5V battery (Not Included)
Package Include:
1 x Digital Insulation Tester
2 x Test Leads
4 x Alligator Clip
1 x User Manual
Note:
The batteries are not included in the package due to Aviation Security Check. Please purchase suitable batteries locally. Sorry for any inconvenience caused.

Features

  • Measure Range up to 2000M 750V with Accuracy of 2%
  • Large LCD display , with backlight, max display 1999
  • Data hold and auto power off
  • Unit symbol display, easy to use
  • Full function protection, anti high voltage circuit design.
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Brand: Thsinde   |   Manufacturer: Thsinde

Amazon Price: $29.30 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $109.99

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  #11

Amprobe MTL-6 Test Lead for Analog Megohmmeter Insulation Tester

Model: MTL-6   |    Mpn: 2733162   |    Ean: 0733353227182   |    PartNumber: 2733162   |   Asin: B00C0Z4UT0

Fluke Test Leads Am-6A (Mtl-6)

Features

Brand: Amprobe   |   Manufacturer: Amprobe

Package Dimensions: 1.2 x 2.9 x 6.1 inches (3.0 x 7.4 x 15.5 cm)

Amazon Price: $25.97 | as of 04/21/2019(7:16pm pst)
Availibility:
List Price: $16.95

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  #12

Extech UM200 Micro Ohm-Meter

Model: UM200   |    Mpn: EXTUM200   |    Ean: 0793950380208   |    PartNumber: EXTUM200   |   Asin: B00APD17G8

Precision meter provides resolution down to 1 Ohm. 6 ranges with 3 sub-ranges in each current range. Measurement of resistive and inductive materials. 5-Digit backlit LCD, PC interface. Auto or Manual ranging, 10A maximum test current. Store/Recall up to 3000 measurements. Cable length measurement (feet or meters). Complete with 4-wire cables with Kelvin clip connectors, rechargeable Li-Polymer battery, AC adapter/charger, software and USB cable, and soft carrying case

Features

  • 6 ranges with 3 sub-ranges in each current range
  • Measurement of resistive and inductive materials
  • Resolution down to 1 Ohm
  • 5-Digit backlit LCD
  • 4-wire cables with Kelvin clip connectors
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Brand: Extech   |   Manufacturer: FLIR Systems

Item Dimensions: 2.2 x 6.1 x 10.1 inches (5.6 x 15.5 x 25.7 cm)   |   Package Dimensions: 7.7 x 8.8 x 11.6 inches (19.6 x 22.4 x 29.5 cm)

Amazon Price: $1,574.28 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 1 to 2 months
List Price: $2,099.00

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  #13

Extech 380580 Battery Powered Milliohm Meter

Model: 380580   |    Mpn: 380580   |    Ean: 0793950385814   |    PartNumber: 380580   |   Asin: B000NI69EA

Battery Powered Milliohm Meter Battery operated to facilitate in-the-field use, Extech's 380580 Milliohm Meter provides five resistance ranges with resolution as low as 0.1 milliohms, and the 4-wire Kelvin clip connection provides optimum accuracy. Typical applications include transformer, motor coil, and PC board resistance measurements.

Additional Features Measurements are displayed on a large, 2000 count LCD. Additional features include over-temperature and over-voltage protection, Auto-Hold, Auto power off, and invalid test indicators to prevent inaccurate measurement.

What's in the Box Unit is housed in a built-in water resistant case and comes with eight AA batteries, two sets of test leads (4-wire with four alligator clips and 4-wire with two Kelvin alligator clips), and user manual.


What is a MilliOhm? The units of measure for resistances less than 1 Ohm ( ) are Milli- (m ) and Micro-( )Ohms. One MilliOhm (1m ) is equal to one thousandth of an ohm (0.001). One MicroOhm (1 ) is equal to one millionth of an ohm (0.000001). For example, 0.5 ohms (one half an ohm) is equal to 500m .

Why are 4-wire connections required when making milliohm measurements? Test leads always introduce a small amount of additional resistance into a measurement. This is acceptable in non-critical measurements such as megohm resistances. However, when measuring milliohms in a critical application, any additional resistance can render the measurement useless. This is why 4-wire (Kelvin) connections are imperative.

More Extech Instruments to Choose From View larger 380460 110-Volt Precision Milliohm Meter Precision Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the large 0.7-inch 1999 count LCD. Additional features include a durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 110VAC 60 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category.

View larger 380462 220-Volt Precision Milliohm Meter Precision Milliohm Meter has 5 ranges and measures down to 0.1 milliohms using 4-wire Kelvin clip test leads. Measurements are displayed on the large 0.7-inch 1999 count LCD. Additional features include a durable field service housing with protective cover, overrange indication and manual zero display adjust. Operates on 220 VAC 50 Hz and comes complete with 4-wire cables with Kelvin clip connectors. CAT II-230V safety category.

View larger 380560 High Resolution Precision Milliohm Meter Benchtop Milliohm Meter has 7 ranges and measures down to 0.01 milliohms. Measurements are displayed on a 1999 count display with 0.8-inch digits. Additional features include: automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 110VAC and comes complete with 4-wire cables with Kelvin clip connectors.

View larger 380562 220-Volt High Resolution Precision Milliohm Meter Benchtop Milliohm Meter has 7 ranges and measures down to 0.01 milliohms. Measurements are displayed on a 1999 count display with 0.8-inch digits. Additional features include: automatic zero, 5V test voltage, and a built-in comparator for Hi/Lo/Go resistance testing or selection. Operates on 220 VAC and comes complete with 4-wire cables with Kelvin clip connectors.

Features

  • High accuracy, high resolution portable Milliohm meter for field use
  • Four terminal Kelvin measurements
  • Over-temperature and over-voltage protection
  • 5 ranges with 100 Ohm max resolution
  • Invalid test indicators prevent inaccurate measurements
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Brand: Extech   |   Manufacturer: Extech

Item Dimensions: 4.3 x 9.8 x 7.5 inches (10.9 x 24.9 x 19.1 cm)   |   Package Dimensions: 7.4 x 7.9 x 10.4 inches (18.8 x 20.1 x 26.4 cm)

Amazon Price: $478.92 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $549.00

Warranty: 1 year

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  #14

AEMC 6501 Hand-Cranked Analog Megohmmeter Insulation Tester, 500V Test Voltage, 200 Megohms Insulation Resistance, 500 Kilohms Low-Resistance

Model: 6501   |    Mpn: 2126.51   |    Ean: 0685338150209   |    PartNumber: 2126.51   |   Asin: B008S0BFUI

The AEMC 6501 hand-cranked analog megohmmeter is an auto-ranging insulation tester with a 500V test voltage for measuring insulation resistance to 200M to indicate the condition of windings or cables in motors, switchgears, electrical installations, and other insulated equipment, and it also measures low-resistance to 500k and AC and DC voltage to 600V for confirming that the circuit under test is fully discharged and not connected to a live circuit. Powered by a hand-cranked generator, the meter reaches the test voltage at approximately 140rpm, illuminating an LED to indicate that the necessary test voltage and crank speed are present for a valid reading. When measurement is complete, residual voltage is automatically discharged from the circuit under test. The meter has an analog scale with a needle pointer. This auto-ranging meter automatically selects the appropriate operating range for measurements. When the pointer reaches about 90% of the scale capacity, the auto-range triggers, resetting the needle to the beginning of the scale and lighting an LED to indicate that subsequent readings should be multiplied by ten. The meter is rated for category (CAT) III installations to 300V, which covers energy-consuming equipment connected to a fixed installation, including household, office, and laboratory appliances and CAT II installations to 600V, which covers energy-consuming equipment connected to a fixed installation, including household, office, and laboratory appliances. It comes with a set of test leads, a set of alligator clips, a test probe, a soft carrying case, and instructions. Megohmmeters are commonly used for electrical maintenance and testing in industries such as HVAC, transportation, manufacturing, mining, and utilities, among others.

Specifications Maximum insulation resistance measured 200M Test voltage 500V Maximum low-resistance measured 500k Maximum AC and DC voltage measured 600V Installation rating CAT III, 300V; CAT II, 600V Standards met EN safety standard 61010-1; CE marking Power Hand-cranked generator Weight 1.1kg/2.5 lbs. Dimensions (H x W x D)* 120 x 120 x 130mm/4.7 x 4.7 x 5.1 inches *H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back

. Megohmmeters, also called insulation testers, are electrical test meters that measure resistance to the flow of current in an electrical component or circuit and check the continuity of an electrical circuit to detect electrical problems such as degraded insulation and improper circuit connections in equipment, wiring, and power supplies. Resistance is an indicator of the overall condition of the device being tested. Megohmmeters have an internal power supply, such as a battery or a capacitor, which supplies a test voltage to a circuit or component that is turned off. Test leads are connected in a series to the tester and the circuit or device being tested. The meter calculates the difference in voltage between the leads and measures the resistance. Most megohmmeters have two terminals for test lead attachment. The two-terminal, or two-wire, measurement method includes the resistance of the circuit or device being tested and the resistance of the test leads, and generally provides sufficient accuracy for measuring large values of resistance in insulation testing applications.

AEMC Instruments manufactures electrical testing and measurement instruments, including clamp meters, power quality analyzers, ground resistance testers, and data loggers. The company, founded in 1893, is headquartered in Foxborough, MA.

What's in the Box? AEMC 6501 analog megohmmeter Set of test leads Set of alligator clips Test probe Soft carrying case Instructions

Features

  • Hand-cranked analog meter has a 500V test voltage for measuring insulation resistance to 200 megohms, and also measures low-resistance to 500 kilohms
  • Auto-ranging meter automatically selects the appropriate operating range for measurements
  • Measures AC and DC voltage to 600V for confirming that the circuit under test is fully discharged and not connected to a live circuit
  • Residual voltage is automatically discharged from the circuit under test upon completion of a measurement
  • Meets EN safety standard 61010-1 and is rated for CAT III installations to 300V and CAT II installations to 600V
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Brand: AEMC   |   Manufacturer: AEMC

Package Dimensions: 6.4 x 6.7 x 11 inches (16.3 x 17.0 x 27.9 cm)

Amazon Price: $495.00 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 24 hours
List Price: $495.00

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  #15

AEMC 2118.80 Kelvin Clips for Micro-Ohmmeter, 1-10A, 20' Length

Model: 2118.8   |    Mpn: 2118.8   |    Ean: 0685338019780   |    PartNumber: 2118.8   |   Asin: B008S0BJM2

Ohmmeters measure resistance to the flow of current in an electrical component or circuit and check the continuity of an electrical circuit to detect electrical problems such as degraded insulation and improper circuit connections in equipment, wiring, and power supplies. Resistance is an indicator of the overall condition of the device being tested. Microohm meters and milliohm meters measure small resistance values, and megohm meters (also known as megaohm meters, or insulation resistance meters) measure large resistance values. Ohmmeters have an internal power supply, such as a battery or a capacitor, which supplies current to a circuit or component that is turned off. Test leads are connected in a series to the meter and the circuit or device being tested. As current flows through the circuit or device, the meter calculates the difference in voltage between the leads and measures the resistance. Ohmmeters have either two or four input terminals for test lead attachment. The two-terminal, or two-wire, measurement method provides measurements that include the resistance of the circuit or device being tested and the resistance of the test leads. Megohm meters generally use the two-wire method because it provides sufficient accuracy for measuring large values of resistance in insulation testing applications. The four-wire method eliminates resistance from the test leads and measures only the resistance of the circuit or device being tested. Milliohm and microohm meters generally use the four-wire method because it provides a greater degree of accuracy for measuring smaller values of resistance in low-resistance applications.

AEMC Instruments manufactures electrical testing and measurement instruments, including clamp meters, power quality analyzers, ground resistance testers, and data loggers. The company, founded in 1893, is headquartered in Foxborough, MA.

Features

Brand: AEMC   |   Manufacturer: AEMC

Package Dimensions: 1.6 x 3.9 x 9 inches (4.1 x 9.9 x 22.9 cm)

Amazon Price: $149.00 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $149.00

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  #16

AEMC 2129.91 NiMH 6.5V 8.5AH Replacement Battery for Micro-Ohmmeter

Model: 2129.91   |    Mpn: 2129.91   |    Ean: 0685338019841   |    PartNumber: 2129.91   |   Asin: B008S0BLRK

NiMH 6.5V 8.5AH Rechargeable battery fits for micro-ohmmeter.

Features

Brand: AEMC   |   Manufacturer: AEMC

Amazon Price: $182.52 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $159.00

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  #17

B&K Precision 310 Digital Milli-Ohm Meter, 20V

Model: 310   |    Mpn: 310   |    Ean: 0817050031003   |    PartNumber: 310   |   Asin: B005D96S86

The model 310 Digital Milli-Ohm Meter is used to ensure continuity and integrity of a wire, cable, conduit or any electrical connection. The 310 has a display resolution of 100 micro-ohms and has a professional four wire Kelvin test lead set included to ensure accurate readings. The heavy duty case has a rubber seal to make the unit water resistant and a convenient shoulder strap.

Features

  • Four wire Kelvin lead measurements
  • Over-voltage and over-temperature protection
  • 5 ranges with 100 ohm max resolution
  • Water resistant case with shoulder strap
  • Auto Power Off
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Brand: B&K Precision   |   Manufacturer: B&K Precision Corporation

Package Dimensions: 6.9 x 8 x 10 inches (17.5 x 20.3 x 25.4 cm)

Amazon Price: $424.05 | as of 04/21/2019(7:16pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $485.00

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