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Best Ohmmeters - Buying Guide

Last Updated: 10/14/2019

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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: $242.10 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 24 hours
List Price: $269.00 | Used Price: $200.03

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  #2

Vici Digital Milli-ohm Meter Resistance Tester 4 Wire Micro Ohm Meter VC480C+

 PartNumber: VC480C+   |   Asin: B07WD4FSS1

Vici VC480C+ LCD Digital Milli-ohm Meter Resistance Tester 4 Wire Micro Ohm Meter

Features:
1. Large LCD display for easy reading.
2. 4 wire testing, capable of testing extreme low resistance.
3. Accurate measurement of conductor, electric heating elements and solder point; It is used widely in building lightning protection network, equalizing ring of glass curtain walls, and communication antenna.
4. High measurement range of 0.01m to 2k at 6 ranges.
5. HOLD key for data hold.
6. Backlit LCD for easy reading under dark light.
7. Strong anti-magnetic and anti-jamming functions.
8. Full function protection.

Specifications:
Range: 20m /200m /2 /20 /200 /2k (0.5%+3),20m (1.5%+3).
Low battery indication:Approx.less than 7.5V.
Data Hold:Yes
Function protection:Yes
Sampling rate: 3 times/sec.
Operation mode: Manual range
Max.display: 1999
Power source: 6x1.5V AA battery or external DC 9V power source(not included)
LCD size: 75 52mm
Weight: 580g

Package List:
1 x VC480C+ Digital Milli-ohm Meter
1 x test lead
1 x English Manual

Features

  • Large LCD display for easy reading - High accuracy and performance for low resistance measurements.
  • HOLD key for data hold - Backlit LCD for easy reading under dark light.
  • High measurement range of 0.01m to 2k at 6 ranges.
  • Connection for external power supply - Strong anti-magnetic and anti-jamming functions.
  • 4-wire cables with Kelvin clip connectors, capable of testing extreme low resistance - Accurate measurement of conductor, electric heating elements and solder point.
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Brand: ZOEYEC   |   Manufacturer: ZOEYEC

Package Dimensions: 2.76 x 6.81 x 8.03 inches (7.0 x 17.3 x 20.4 cm)

Amazon Price: $119.00 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $229.00

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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 10/14/2019(6:20pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $25.99

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  #4

Extech Instruments 380465 Spare Kelvin Clip Test Lead Set for 380460/62 Precision Milliohm Meter, 6.3" x 2.8" x 3.4" Size

Model: 380465   |    Mpn: 380465   |    Ean: 0013227298266   |    PartNumber: 380465   |   Asin: B00HPLJMVA

Complete with 4-wire cables with Kelvin clip connectors.

Features

  • High accuracy and performance for low resistance measurements
  • Large 0.7 (18mm) LCD 1999 count
  • Manual zero display adjust
  • Overrange indication
  • Compact, durable field service housing with protective cover
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Brand: Extech   |   Manufacturer: Extech Instruments

Package Dimensions: 2.4 x 4.3 x 6.8 inches (6.1 x 10.9 x 17.3 cm)

Amazon Price: $67.00 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 3-5 weeks
List Price: $67.00

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  #5

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: Too low to display | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 24 hours
List Price: $399.99 | Used Price: $280.00

Warranty: 1 year

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  #6

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

 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)

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  #7

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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  #8

AEMC 1210N Replacement Leads with Pouch for Model 1210N and 1250N Megohmmeters

Model: 1210N   |    Mpn: 1019.01   |    Ean: 0685338990485   |    PartNumber: 1019.01   |   Asin: B008S0I95M

Replacement leads with pouch. For Models 1210N/1250N megohmmeters.

Features

Brand: AEMC   |   Manufacturer: AEMC

Package Dimensions: 3.2 x 5 x 8.8 inches (8.1 x 12.7 x 22.4 cm)

Amazon Price: $109.00 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 24 hours
List Price: $119.01

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  #9

Megger 6280-333 Battery Charger for Use With DLRO10 and DLRO10X Digital Microhmmeter, 115/230V

Model: 6280-333   |    Mpn: 6280-333   |    PartNumber: 6280-333   |   Asin: B005T656H2

The Megger 6280-333 battery charger charges the battery supplied with a Megger DLRO10 or DLRO10X digital low resistance microhmmeter (sold separately). The charger recharges the internal battery of the microhmmeter from a 115 or 230V 50/60Hz electrical outlet. The 6280-333 is used to charge the battery of a DLRO10 or DLRO10X microhmmeter, which is used to conduct resistance tests of electrical equipment.

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

  • Battery charger for use with a digital microhmmeter
  • Works with a Megger DLRO10 or DLRO10X digital microhmmeter (sold separately)
  • Charges internal rechargeable battery from a 115/230V 50/60Hz electrical supply
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Brand: Megger   |   Manufacturer: Megger

Package Dimensions: 1.3 x 3.7 x 4.4 inches (3.3 x 9.4 x 11.2 cm)

Amazon Price: $190.00 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $185.00

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  #10

Professional Bmby Insulation Megohm Tester Resistance Meter Megohmmeter Zc25 4, Insulation Resistance Meter - Test Instruments, Digital Insulation Resistance Tester, Vc B, Ground Insulation Tester

 Ean: 0707209230220   |    PartNumber: IQCPKCXC28TWWZ67QOFZ   |   Asin: B07XDSN641

Professional for Bmby Insulation Megohm Tester Resistance Meter Megohmmeter Zc25 4 - Best Price Bmby Insulation Megohm Tester Resistance Meter Megohmmeter Zc25 4


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Features

  • EXCELLENT MATERIAL: Professional for bmby insulation megohm tester resistance meter megohmmeter zc25 4, wear resistance, good storage, allows you to use for a long time
  • PRODUCT SPECIFICATIONS: DIY Supplies: Electrical, Display Type: Analogue and Digital, Measuring Range: as shown, Testing Voltage: as shown, Accuracy Class: as shown, Operating Temperature: as shown, Dimensions: 205 x 120 x 145mm
  • CONVENIENT FOR USING: Safety design with protection cover bmby insulation megohm tester resistance meter megohmmeter zc25 4, After cleaning, You can go on keepping clean and convenient for your next use
  • EASY TO CLEAN: You can clean quickly. It can be cleaned and put into a cupboard. It does not occupy a lot of space and can be kept well
  • SEARCH IN MY STORE: test instruments, digital insulation resistance tester, vc b, ground insulation tester, crown insulation tester, digital tester, insulation meter, insulation tester
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Brand: Buy Now !!!   |   Manufacturer: Buy Now !!!

Amazon Price: $52.99 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 4-5 business days
List Price: $52.99

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  #11

AEMC 2951.7 3-Piece Color-Coded Safety Lead Set for 1050 and 1060 Megohmmeters, 10' Length

Model: 2951.7   |    Mpn: 2951.7   |    Ean: 0685338990386   |    PartNumber: 2951.7   |   Asin: B008S0IXJ4

Color coded safety lead set, 10' length, for 1050/1060 megohmmeter.

Features

Brand: AEMC   |   Manufacturer: AEMC

Package Dimensions: 1 x 5.9 x 5.9 inches (2.5 x 15.0 x 15.0 cm)

Amazon Price: $166.25 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $166.25

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  #12

Megger 6111-022 Duplex Handspike with Spring Loaded Helical Contacts for Use With DLRO10 and DLRO10X Digital Microhmmeter, 8' Length

Model: 1008-026   |    Mpn: 1008-026   |    PartNumber: 1008-026   |   Asin: B005T9E37S

The Megger 6111 series duplex test lead with helical spring-point duplex hand spikes is for use with Megger DLRO10HD, DLRO10, DLRO10X, and BT51 digital microhmmeters. This duplex test lead measures both current and resistance when taking four-wire resistance measurements, which are more accurate than two-wire resistance measurements and allow low resistance values to be detected. The helical spring-point hand spikes compress and rotate to make contact with a conductor. There is 0.4" (10 mm) between the current and potential probe tips on the duplex hand spikes.

A test probe, test lead, test prod, or scope probe transmits an electrical signal to a testing device for display and analysis. Designs range from simple test leads with probe-style or clamp-on tips to more complex oscilloscope probes and current detectors. Some test probes, such as basic test leads, have wires with tips for connecting to test equipment. Other test probes, such as voltage detectors, are built into the meter. Depending on what is to be tested, the probe might either be passive or have active parts that require external power to operate. Some probes require contact for testing, while some are capable of taking measurements from a distance. Some also have finger barriers, insulation, or other features to help protect the operator's hand from electrical shock and burns. Test probes are rated according to the amount of voltage, current, temperature, or other input they can measure. When choosing a test probe, the maximum amount of input that the probe can measure should match or exceed both the maximum amount that can be tested by the test equipment, as well as that of the property expected to be present in the application.

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

  • Includes one duplex test lead with duplex hand spikes that have helical spring-loaded tips
  • For use with compatible Megger DLRO10HD, DLRO10, DLRO10X, and BT51 digital microhmmeters
  • Duplex test lead measures both current and resistance when taking four-wire resistance measurements
  • Helical spring-point hand spikes compress and rotate to make contact with a conductor
  • 0.4 (10 mm) space between the current and potential probe tips on the duplex hand spikes
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Brand: Megger   |   Manufacturer: Megger

Package Dimensions: 2.8 x 7.4 x 8.4 inches (7.1 x 18.8 x 21.3 cm)

Amazon Price: $366.77 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $366.77

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  #13

Hioki IR4018-20 Single-Range Megohm Insulation HiTester, 2000 Megohms Resistance, 600V AC Voltage

Model: IR4018-20   |    Mpn: IR4018-20   |    Ean: 4536036000135   |    PartNumber: IR4018-20   |   Asin: B008S0DMPY

Reliable and efficient insulation testing in the field. Single range testing voltage 500V, insulation meter up to 2000 Mega-Ohms. Built tough to withstand a 1-meter drop onto a concrete floor. Bright LED luminous scale. Check for live circuits and for the battery status. Hard case in a body, quick and easy storage without disconnecting the leads. Testing voltage: 500VDC. Rated Resistance: 1000 Mega-Ohm. Accuracy: +/-5 percent of indicated value 2 - 1000 mega-Ohm. Lower limit resistance: 1 mega-ohm (measurement resistance value to be maintained testing voltage). Overload protection: 1200 VAC (10 Sec). AC voltage measurement: 0 to 600V (50/60Hz), +/-5 percent of maximum scale value accuracy, 500 Kilo-ohm or more input resistance. Other functions: bright LED luminous cale, drop proof, battery check, live circuit check, auto discharge. Power supply: AA alkaline battery x 4, continuous use: 15 hours (at 500V range, no load). Measures 159mm width by 177mm height by 53mm depth. Supplied accessories: test lead L9787, Instruction Manual, LR6 (AA) alkaline batteries x 4, Shoulder strap.

Features

  • Single range testing voltage 500 V, Insulation meter up to 2000 mega-ohm
  • Built tough to withstand a 1-meter drop onto a concrete floor
  • Bright LED luminous scale
  • Check for live circuits and for the battery status
  • Hard case in a body, quick and easy storage without disconnecting the leads
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Brand: Hioki   |   Manufacturer: Hioki

Package Dimensions: 2.2 x 6.5 x 8.7 inches (5.6 x 16.5 x 22.1 cm)

Amazon Price: $298.95 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 24 hours
List Price: $325.00

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  #14

Megger DLRO200-115 High Current Digital Low Resistance Microhmmeter with Additional Output Smoothing, +/-0.5% Accuracy

Model: DLRO200-115   |    Mpn: DLRO200-115   |    PartNumber: DLRO200-115   |   Asin: B005T9E1DY

The Megger DLRO200 series digital microhmmeter measures resistance in switch and breaker contacts, bus-bar joints, and other high-current electrical systems. The meter is autoranging and digital for safety and ease of use. The internal memory stores up to 300 sets of results, which can be annotated with notes by the user. The results and notes can be downloaded to a PC or directly outputted to a printer via the RS232 port. The microhmmeter measures resistance from 0.1 microhms to 1 ohm, with test currents from 10 to 200A. The unit is safety rated to European Standard EN61010-1. The DLRO200 series is used by electricians and electrical contractors.

Electrical test meters report electrical circuit properties, such as voltage, resistance, capacitance, and continuity. Available in handheld or benchtop form, they detect electrical problems in equipment, wiring, and power supplies. A variety of probes, clamps, and leads can be used to connect the meter to a circuit or device. Single-function meters, such as battery testers and voltage testers, measure one property of a circuit, and multimeters measure multiple properties. Electrical test meters display information either in analog form using a needle that moves on a calibrated scale, or in digital form on an LED screen. Meters have electrical properties that are to be measured and the anticipated range of results, and should have a rating that is higher than the maximum value of the anticipated range. Meters measure electrical properties and are safety rated to measure a specific range of results. The range on the meter should be higher than the maximum anticipated value to be measured. An electrical test meter has multiple settings corresponding to potential ranges of values for the properties it can measure. A manual ranging meter requires the operator to flip through different settings until the correct range is reached. An autoranging meter cycles through range settings automatically until it reaches the correct range.

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

  • High-current microhmmeter measures resistance in circuit breaker contacts, switch contacts, bus-bar joints, and other high-current systems
  • Autoranging digital meter for safety and ease of use
  • Stores up to 300 sets of results with memos for PC download or direct output to a printer via RS232 port
  • Measures resistance from 0.1 microhms to 1 ohm with test currents from 10 to 200A
  • Safety rated to European Standard EN61010-1
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Brand: Megger   |   Manufacturer: Megger

Package Dimensions: 17 x 19 x 24.5 inches (43.2 x 48.3 x 62.2 cm)

Amazon Price: $6,990.00 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $6,990.00

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  #15

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: $517.75 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 24 hours
List Price: $495.00

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  #16

AEMC 2118.82 Kelvin Clips for Micro-ohmmeter, 1A, 10' Length

Model: 2118.82   |    Mpn: 2118.82   |    Ean: 0685338019766   |    PartNumber: 2118.82   |   Asin: B008S0BKSK

Kelvin Clips 10 ft (1A) for Micro-ohmmeters Model 5600, 6240 & 6250.

Features

Brand: AEMC   |   Manufacturer: AEMC

Package Dimensions: 0.9 x 7 x 7.6 inches (2.3 x 17.8 x 19.3 cm)

Amazon Price: $160.55 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 24 hours
List Price: $154.00

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  #17

Extech 380562 High Resolution 220VAC Precision Milliohm Meter

Model: 380562   |    Mpn: 380562   |    Ean: 0793950385630   |    PartNumber: 380562   |   Asin: B0012VYERG

View larger 220V 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 220 VAC 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 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 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

  • Benchtop meter provides resolution down to 0.01 mOhm
  • 7 ranges for wide low resistance measurements
  • High resolution to 0.01m Ohm
  • 1999 count display with 0.8-Inch digits
  • 4-wire test cable with Kelvin clip connectors
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Brand: Extech   |   Manufacturer: Extech

Item Dimensions: 8.5 x 11 x 3.5 inches (21.6 x 27.9 x 8.9 cm)   |   Package Dimensions: 6.6 x 11.2 x 14.7 inches (16.8 x 28.4 x 37.3 cm)

Amazon Price: $378.38 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 24 hours
List Price: $529.00 | Used Price: $362.21

Warranty: 1 year

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  #18

Electronic measuring equipment Digital Clamp Meter,leakage Current Measurement and Resistance Measurement,with Data Storage Function Alarm System ETCR2100C+

 Ean: 8591234147828   |    PartNumber: ETCR2100C+   |   Asin: B07Y9YFMYH

Function Ground resistance test, Loop resistance test Power Supply 6VDC 4 PCS of LR6 Alkaline batteries Resistance Range 0.01-1200 Resistance Resolution 0.001 Highest Resistance Accuracy 1% 0.01 Leakage current measurement, range 0.00mA~20.0A Data memory 99 Sets Alarm Threshold Setting Range:Resistance 1-199 Alarm Sound and Light:"Beep-beep-beep" alarm tone, Alarm Symbol Flashing, Press AL key to turn on, turn off Alarm or set Alarm Threshold. Interference Signal Recognition "Beep-beep-beep" tone, NOISE symbol blinking Working Temperature and Humidity -20C-55C;20%RH-90%RH LCD Screen 4 Digits LCD display, Screen L W: 47mm 28.5mm Clamp Size 32mm Clamp Opening Extent 32mm Tester Weight 1120g Clamp Dimension L W T: 260mm 90mm 66mm Protection Level Dual Insulation Structural Feature Clamp CT Shifting Automatic shifting External magnetic field External electrical field Single measurement time 0.5 second Resistance measurement frequency >1KHz Measured current frequency 50/60Hz Automatic measurement Low Battery Indication Low battery symbol displays when battery is lower then 5.3V Memory Full Indication MEM symbol blinks when all 99 sets memory is full Over Range Indication Out of range indication "OL ", "L0.01" or "OL A" Auto Power-off 5 minutes after Boot up Power Consumption Max 50mA either in booting up or normally working, Continuously working for 30 hours RS232 Interface (Optional) The data stored in the meter are uploaded to the computer through RS232 interface and data wire, Then generate report files Accessories Meter: 1 piece, Test Ring: 1 Piece, Meter Suitcase: 1 Piece , Batteries: 4 PCS (LR6) Please check the model and size before you buy. If you have any questions about the product, please contact us.

Features

  • Leakage current measurement, range: 0.00mA~20.0A
  • Grounding resistance, loop resistance measurement, range: 0.010 ~1200
  • Three excellent functions: sound and light alarm function, data storage function, data retention function.
  • Precision clamp head design: using precision iron core and winding, stable, precise and strong anti-interference.
  • Easy to use: When measuring a grounded system with a loop, there is no need to disconnect the ground lead and no auxiliary electrode.
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Brand: RRMY-Digital Multimeter   |   Manufacturer: rouroumaoyi

Amazon Price: $506.52 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $506.52

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  #19

Electronic measuring equipment Super large Caliber 0-3200A AC Leakage Current Clamp Meter with digital clamp ammeter RS232 Interface 99 Data logger ETCR7100

 Ean: 8591234147958   |    PartNumber: ETCR7100   |   Asin: B07Y9Y36BC

*Measurement Range AC 0.0mA-3200A *Resolution AC 0.1mA *Measurement Accuracy (23 3 , below 70%RH, measured wire at the center of the clamp) AC 0.0mA 499A 2% 5dgt AC 500A 999A 3% 5dgt AC 1000A 2999A 4% 5dgt AC 3000A 4000A 5% 5dgt *Measured Wire Position Measured wire at approximately the geometric center of the clamp *Data Storage 99 sets, "FULLthe memory is full " symbol indicate *RS232 Interface With RS232 interface, download data to computer for analysis and management *Communication Wire RS232 communication wire, 1.8m *Frequency 50Hz ,60Hz automatic identification *Gear Shift Automatic shift *Sample Rate About 2 times/second *Line Voltage Below AC 600V line measurement *Display Mode 4 digital LCD display, length 47mm width 28.5mm *Meter Size Length 350mm Width 180mm Height 55mm *Backlight Suitable for dim places *Data Hold "HOLD symbol appears" *Overflow "OL symbol appears" *Automatic Shutdown Automatically shutdown about 5 minutes after power on to reduce battery consumption *Voltage Detection Low battery symbol appears to remind the replacement of battery when the battery voltage drops below 5.2V. *Weight of Meter 1.5kg *Working Temperature and Humidity -10 -40 ; 80%rh *Storage Temperature and Humidity -10 -60 ; below 70%rh *Insulation strength AC 2Kv/rms(between core and shell) ETCR7100 series of Super-large Caliber Leakage Clamp Meter is well designed and manufactured for measuring AC leakage current, current, voltage, adopt the latest CT technology and digital integrated technology. Its large caliber 108mm 148mm can clamp electric cable of 108mm diameter, or 160mm 4mm flat cable and steel earth wires. It has the biggest caliber and widest current range all over the world, particularly suitable for leakage current measurement of cable and transformer earth steel. Full automatically and LCD display, al

Features

  • Function Measure AC leakage current, big current (particularly suitable for leakage current measurement of cable and transformer earth steel)
  • Power 6V DC(LR6 4 alkaline dry batteries, continuously working for 12 hours)
  • Test Mode Clamp CT, integral mode
  • Clamp Size 108mm 148mm (can clamp electric cable of 108mm diameter, or 160mm 4mm flat cable and steel earth wires)
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Brand: RRMY-Digital Multimeter   |   Manufacturer: rouroumaoyi

Amazon Price: $971.81 | as of 10/14/2019(6:20pm pst)
Availibility: Usually ships in 2-3 business days
List Price: $971.81

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