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Best Frequency Counters & Pulse Generators - Buying Guide

Last Updated: 11/20/2018

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Bestselling Frequency Counters & Pulse Generators on Amazon

  1. DIGITEN DC 12V 24V 4 Digital Blue LED Counter Meter Up Down+Hall Proximity Switch Sensor
  2. Uxcell a12082000ux0647 H7EC-BLM 0-999999 Counting Range No-voltage Required Digital Counter
  3. DIGITEN 6 Digital Red LED People Flow Counter+Photoelectric Infrared Detector
  4. Icstation Digital 2 Channal PWM Square Wave Pulse Signal Generator Adjustable Frequency Duty Cycle 1...
  5. B&K Precision 4030 Pulse Generator with 4-Digit LED Display, 10MHz
  6. 2 Sets 15KV High Voltage Generator Inverter Arc Igniter Coil Module Disassembled Parts
  7. DIGITEN DC 12V 4 Digital Red LED Counter Meter Up Down+Hall Proximity Switch Sensor NPN
  8. B&K Precision 1823A Universal Frequency Counter with Ratio Function, 2.4 GHz
  9. DROK 0.56"Red LED Display Digital Tally Counter 0-9999 Up Down Counter Totalizer Electronic Counter ...
  10. Tenma 72-490 Audio Signal Generator 20 kHz

  #1

DIGITEN DC 12V 24V 4 Digital Blue LED Counter Meter Up Down+Hall Proximity Switch Sensor

 Ean: 0600748801244   |    PartNumber: GDDS-05   |   Asin: B016U4IXSU

Features

High-speed IC,bright red LED,easy to install.
Good stability, strong Anti-interference.
Counting value be retained when power failure.
Widely use in Automatic Burden System,Winding Machine,packaging machinery,textile machinery,ect.
The meter retain the number automatically when power cut off.

Specifications:

Power supply:DC12V/DC24V
DC Current 30mA
Sign:Pusle signal,NPN 3 wires normally closed
trigger mode: rising edge
Display dimension: 0.56" Blue
Reset signal:Pulse or switch
Counting:Plus or minus
Response frequency: 100HZ
Display range:0-9999
Panel cutout dimension:76.5mm*39.2mm
Overall dimension: 79mm*43mm*30.5mm
Sensor dimention: M12x10x55mm.
Detection range: 10mm
Detected objects: magnet
Sensor appearance:M12mm cylinder.
Sensor wiring:brown---Power+;blue---Power-;black---signal.
Operating temperature: 0 to 50 .

Packaging include

4 Digit blue counter x 1
Hall proximity sensor x 1(come with magnet)
4 wires cable x 1
2 wires cable x 1
Instruction x 1

Features

  • Power supply:DC12V/DC24V
  • Hall sensor:Pusle signal,NPN 3 wires normally closed
  • Counting:Plus or minus
  • Counting value be retained when power failure.
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Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 1.42 x 3.31 x 7.05 inches (3.6 x 8.4 x 17.9 cm)

Amazon Price: $18.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 1-2 business days
List Price: $18.99

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  #2

Uxcell a12082000ux0647 H7EC-BLM 0-999999 Counting Range No-voltage Required Digital Counter

Model: a12082000ux0647   |    Mpn: a12082000ux0647   |    Ean: 0696738199378   |    PartNumber: a12082000ux0647   |   Asin: B009NC9M0U

Description: This counter requires No External Power Supply! Widely applied to various electrical calculation in different industries. The panel design with self rest locking make that operate it correctly.

Features

  • Product Name: Counter; Model: H7EC-BLM
  • Number of Digits: 6;Counting Range: 0 - 999999
  • Counter Size: 4.8 x 2.4 x 5.2cm/ 1.9 x 0.9 x 2 (L*W*T);Mounting Size: 4.4 x 2.2 x 4.2cm/1.73 x 0.86 x 1.65(L*W*Depth)
  • Color: As Picture Shown; Net Weight: 51g
  • Package Content: 1 x Counter
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Brand: uxcell   |   Manufacturer: uxcell

Package Dimensions: 1.1 x 1.9 x 2.8 inches (2.8 x 4.8 x 7.1 cm)

First Available: 2018-08-22

Amazon Price: $7.06 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $8.33

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  #3

DIGITEN 6 Digital Red LED People Flow Counter+Photoelectric Infrared Detector

Model: 34356   |    Mpn: HMPC-02   |    PartNumber: HMPC-02   |   Asin: B01G9WS590

This is our V2.0 version people counting system: HMPC-02, it is easy to install, you don't need to add extra wire to install.Come with 2-prong power cable for counter and one adapter for transmitter, so easy to connect this kit to wall outlet. The transmitter unit transmits infrared beam to the receiver unit. When someone passes between the 2 units and breaks the infrared beams, the count value increases by one. The counter will count total people times(include in and out)

Features

Count the people number how many peoples pass through this system.
Range is 30cm-20m(1 ft to 65 fts),and range can be reduced to 30% in bad weather conditions:fog,rain,dust,dust,etc.
Good stability, strong Anti-interference.
Counting value be retained when power failure.
Built-in button on the panel to RESET to zero
Application: retail store,office,enter/exit of gate,etc.

Specifications:

Working voltage: 100-240VAC
Counter working mode: switch
LED dimension: 0.56 inch RED
Display range:0-999999
2-Prong power lead: 1.5m(5 fts), US plug
This power adapter (transformer) lead: 90cm(3 fts)
Counter overall dimension: 57mm*40mm*85mm
Counter panel cutout dimension:51mm*27mm
3 pin Cable length:60cm(2 fts)
Transmitter and receiver dimension:49.2*76*21.6mm

Packaging include

6 digits counter x 1(include wire)
Infrared sensors(transmitter and receiver) x 1
2-Prong Power wire x 1
Power supply(2.1x5.5mm plug) x 1
Parts include Screws,M3 brass pillar,etc.
Instruction x 1

Features

  • Count the people flow, for example, you can use it to count foot traffic into stores.
  • It is easy to install, don't need to add extra wire
  • Counting value be retained when power failure.
  • Working voltage: 100-240VAC
  • Application: retail store,office,enter/exit of gate,parking,etc. The sensitivity of the ir sensor is high, and it requires direct of a line of sight. You should find a right position to mount it so that it can count the foot traffic exactly.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 2.8 x 4.4 x 5.6 inches (7.1 x 11.2 x 14.2 cm)

Amazon Price: $36.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $36.99

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  #4

Icstation Digital 2 Channal PWM Square Wave Pulse Signal Generator Adjustable Frequency Duty Cycle 100% 1Hz-150KHz

Model: 2 Channel Sqaure Wave Pulse Generator   |    Mpn: 966801   |    PartNumber: 966801   |   Asin: B01MA1M7Y9

Icstation mini digital square waveform generator module supporting 1Hz-150KHz frequency and 0%-100% duty cycle adjustment through the on-board momentary push button and also support external seial communication. DC 5V-30V wide voltage input and dual channel complementary output with red LED display the parameter ideal as the square wave source for instrument testing or driving the stepper motor and so on.

Specifications:
Frequency Range: 1Hz-150KHz
Duty Cycle Range: 0%-100%
Accuracy: 2%
Working Voltage: DC 5-30V
Output Current: 8-30mA
Output Amplitude: 5V V-PP (default, changed by external power supply)
Module Size: 41*29 mm / 1.61*1.14 inch (L*W)

Package Included:
1X Digital 2 Channel Square Wave Pulse Signal Generator Module 1Hz-150KHz 0%-100%

Display Instructions:
There are 3 display range:
1:XXXX->the unit is 1Hz, range is 1Hz-999Hz
2.XX.X->the unit is 0.1KHz,range is 0.1KHz-99.9KHz
3.X.X.X.->the unit is 1KHz, range is 1KHz-150KHz
e.g.:100->100Hz;54.1->54.1KHz;1.2.4.->12KHz

Setting Instructions:
1. Short press"Set" to interchange display the 4 values(FR1:PWM1 frequency;dU1:PWM1 duty cycle;FR2:PWM2 frequency;dU2:PWM2 duty cycle)
2. press"Up" and "Down" to set the current value

Serial Control:
Baud Rage: 9600pbs; Date Bit: 8; Stop Bit: 1;
1. Set the PWM frequency: "S1FXXXT": set the PWM1 frequency as XXX HZ(0001-999); "S1FXX.XT": set the PWM1 frequency as XXX KHZ(00.1-99.9); "S1FX.X.X.T": set the PWM1 frequency as XXX KHZ(0.0.1.-1.5.0.)(S1->PWM1; s2->PWM2; F->frequency; D->duty cycle; T->Stop bit)
2.Set the PWM duty cycle: "S1DXXXT": set the PWM1 duty cycle as XXX(001-100); "S2DXXXT": set the PWM2 duty cycle as XXX(001-100)
3.DOWN: set successful; FALL: set fail.

Features

  • Digital square waveform generator module support 1Hz-150KHz frequency and 0%-100% duty cycle adjusting independently through the on-board momentary push button
  • Dual channel fequency signal and duty cycle complementary output, easier to control
  • DC5-30V wide voltage input(support micro USB 5V input),3 digit LED display the parameter easy to read, serial communication interface easy to connect and controlled by MCU
  • Used as square wave source for instrument testing,driving the stepper motor, PWM control the motor speed / LED light brightness
  • 1, Fulfilled by Amazon usually spend 2-4 days to delivery, and fulfilled by seller usually delivery in around 17 days = ((( 0 ) from China, with tracking information.
    2, We provide application consulting and replace service in case you received a defective one, please rest assured to buy it.
  • See more on Amazon...

Brand: IS   |   Manufacturer: Icstation

Package Dimensions: 0.16 x 1.3 x 2.76 inches (0.4 x 3.3 x 7.0 cm)

Amazon Price: $5.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $8.39

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  #5

B&K Precision 4030 Pulse Generator with 4-Digit LED Display, 10MHz

Model: 4030   |    Mpn: 4030   |    Ean: 0817050403008   |    PartNumber: 4030   |   Asin: B005G5MHZA

The BK Precision Model 4030 is a versatile signal source which combines four functions into one unit--waveform generation, pulse generation (through variable symmetry), frequency sweep operation, and triggered operation. The 4030 offers low rise and fall time pulsed signals up to 10MHz to meet many test and measurement applications.

Features

  • With this versatility, it has a vast number of applications in both analog and digital electronics in the engineering, manufacturing, servicing, educational, and hobbyist fields.
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Brand: B&K Precision   |   Manufacturer: B&K Precision Corporation

Package Dimensions: 7.9 x 13 x 16.3 inches (20.1 x 33.0 x 41.4 cm)

Amazon Price: $82.89 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $395.00

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  #6

2 Sets 15KV High Voltage Generator Inverter Arc Igniter Coil Module Disassembled Parts

 Ean: 0663862534030   |    PartNumber: Walfrontxubsda3efm   |   Asin: B0789FBVXB




Specifications:

Input Voltage: 3.7V~4.2V
Current: 2A
Output Voltage: Arc Discharge Distance: 0.5cm~1cm
PCB Size: 4.2*3.2*0.16cm/1.65*1.26*0.06"

Quantity: 2 sets




Note: This kit requires certain professional knowledge and ability, please make sure you know how to assemble and use it.




Package Includes:

2 Sets x High Voltage Generator(Disassembled Parts)

Features

  • The module can output high voltage pulse current, small size and high efficiency
  • The input voltage is 3.7V~4.2V DC and will output 15kVAC high voltage
  • Output high voltage high temperature arc that could easily ignite paper or plastic
  • It can be used for anion generator, electronic instrument or science experiment
  • There are 2 sets in disassembled parts, very popular among electronics enthusiasts
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Brand: Walfront   |   Manufacturer: Walfront

Package Dimensions: 0.8 x 3.9 x 5.2 inches (2.0 x 9.9 x 13.2 cm)

Amazon Price: $6.92 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 1-2 business days
List Price: $6.99

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  #7

DIGITEN DC 12V 4 Digital Red LED Counter Meter Up Down+Hall Proximity Switch Sensor NPN

 Ean: 0600748801251   |    PartNumber: GDDS-06   |   Asin: B016U4IZ6K

Features

High-speed IC,bright red LED,easy to install.
Good stability, strong Anti-interference.
Counting value be retained when power failure.
Widely use in Automatic Burden System,Winding Machine,packaging machinery,textile machinery,ect.
The meter retain the number automatically when power cut off.

Specifications:

Power supply:DC12V
DC Current:30mA
Sign:Pusle signal,NPN 3 wires normally closed
trigger mode: rising edge
Display dimension: 0.56" RED
Reset signal:Pulse or switch
Counting:Plus or minus
Response frequency: 100HZ
Display range:0-9999
Panel cutout dimension:76.5mm*39.2mm
Overall dimension: 79mm*43mm*30.5mm
Sensor dimention: M12x10x55mm.
Detection range: 10mm
Detected objects: magnet
Sensor appearance:M12mm cylinder.
Sensor wiring:brown---Power+;blue---Power-;black---signal.
Operating temperature: 0 to 50 C.

Packaging include

4 Digit blue counter x 1
Hall proximity sensor x 1(come with magnet)
4 wires cable x 1
2 wires cable x 1
Instruction x 1

Features

  • Power supply:DC12V
  • Hall sensor:Pusle signal,NPN 3 wires normally closed
  • Counting:Plus or minus
  • Counting value be retained when power failure.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: TmallTech

Package Dimensions: 1.4 x 3.3 x 3.5 inches (3.6 x 8.4 x 8.9 cm)

Amazon Price: $16.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $16.99

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  #8

B&K Precision 1823A Universal Frequency Counter with Ratio Function, 2.4 GHz

Model: 1823A   |    Mpn: 1823A   |    Ean: 0817050182316   |    PartNumber: 1823A   |   Asin: B005J6LP72

The 1823A and 1856D are reciprocal 2.4 GHz and 3.5 GHz frequency counters that are microprocessor controlled. Their LED displays can provide up to nine digits of resolution using an external time base with a 10 s gate time. The high accuracy, sensitivity, and versatility of these counters make them an extremely valuable instrument to scientists, engineers, and communications technicians for a broad spectrum of laboratory and service applications.

Features

  • 1 PPM Time base stability
  • External frequency standard input
  • Bright LED display
  • Attenuator
  • Low pass filter
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Brand: B&K Precision   |   Manufacturer: B&K Precision Corporation

Package Dimensions: 7.5 x 12.5 x 13.8 inches (19.1 x 31.8 x 35.1 cm)

Amazon Price: $394.89 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $470.00

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  #9

DROK 0.56"Red LED Display Digital Tally Counter 0-9999 Up Down Counter Totalizer Electronic Counter with Magnetic Induction Switch DC5V

Model: 100262   |    Mpn: 100262   |    Ean: 0533593041230   |    PartNumber: 100262   |   Asin: B00LSGG4XC

Technical parameters: Input pulse signal: open NPN / PNP collector contact switches, non-contact switch, limit switch, level pulse and so on. Input signal voltage: High level H = 4 ~ 30V, low level L = 0 ~ 0.6V, falling edge trigger Measuring range: 0 to 9999 cumulative count Count input frequency: less than 2000Hz Display: 0.56"high brightness LED Power supply: DC 5V 10%; 80mA Working temperature: -10 ~ 60 c (relative humidity of 80% or less) Dimensions: 79 x 43 x 25mm Mounting Hole Size: 75 x 39.5mm Using: Move the magnet close to the magnetic proximity switch about 0.5-1 cm, then take the magnet away from the magnetic proximity switch for a certain distance (typically 3-5 cm or more). Then the product start counting and screen display add 1 per repeated movement. The counter should works on recurring machine, such as counting the up and down movement of punch, counting the circles of flywheel. Note: 1, the count signal and reset signal input switching should closer to the counter terminal. 2, to avoid unnecessary interference, if necessary, please use shielded cable, shield connected to the count terminal "+". 3, recommended to use magnetic switch.

Features

  • Accurate digital counter with 0.56" LED display, magnetic induction switch.
  • Need seperate power, input DC5V, input current is less than 80mA, has a long service life.
  • Meassuring range is 0 to 9999, count input frequency id less than 2000Hz
  • Input signal voltage, High level H = 4 ~ 30V, low level L = 0 ~ 0.6V, falling edge trigger.
  • NPN/PNP open collector, contact switch, switch, limit switch, pulse of electrical level.
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Brand: DROK   |   Manufacturer: DROK

Item Dimensions: 1.69 x 0.98 x 3.11 inches (4.3 x 2.5 x 7.9 cm)   |   Package Dimensions: 1.9 x 4.9 x 5.9 inches (4.8 x 12.4 x 15.0 cm)

First Available: 2017-05-15

Amazon Price: $14.07 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $14.07

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  #10

Tenma 72-490 Audio Signal Generator 20 kHz

Model: 72-490   |    Mpn: 72-490   |    Ean: 0640522694105   |    PartNumber: 72-490   |   Asin: B00DRDP9KS

TENMA 72-490 SIGNAL GENERATOR, AUDIO, 20KHZ

Features

Brand: Tenma   |   Manufacturer: TENMA

Package Dimensions: 3.1 x 5.5 x 9.2 inches (7.9 x 14.0 x 23.4 cm)

Amazon Price: $73.60 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 1-2 business days
List Price: $73.60

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  #11

Frequency Counter, RISEPRO Digital Bench Frequency Signal Meter with AC Power Cable BNC Test Leads 10Hz - 2.4 GHz VC3165

 Ean: 0712962230905   |    PartNumber: VC3165   |   Asin: B01LWIPALE

Brief Description

This frequency counter measures signals over a wide range from 0.01 Hz to 2.4 GHz. The gate time is continuously varying from 100ms to 10s. The maximum power consumption is only 5W.

The instrument provides high performance stability and function at low cost. The counter can measure frequency, period and equal-precision. It is also featured with 3 step function selection, work state, unit and eight-digit LED display.

All functions in this frequency counter depend on a single CPU. A crystal-controlled temperature circuit provides a constant compensation for temperature change, thus reducing measurement errors typically caused by temperature drift. The Channel B (CH. B) input has an attenuator (x1, x20), AC/DC coupling for a low-pass filter.

One Set Included

1 x Frequency Counter
1 x Test probe with BNC type connector
1 x Instruction Manual
Standard Factory Package

Features

  • With 3 steps function selection: work state, unit & 8-digit LED display
  • Frequency measurement from 0.01 Hz to 2.4 GHz
  • Cyclic measuring range from 0.5 ms to 10 s
  • With attenuation of 20 dB and input impedance of 1 MO
  • With frequency, period and equal-precision measurement
  • See more on Amazon...

Brand: RISEPRO   |   Manufacturer: RISEPRO

Package Dimensions: 6.2 x 11.2 x 11.7 inches (15.7 x 28.4 x 29.7 cm)

Amazon Price: $75.90 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $75.90

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  #12

Inkbird Digital Preset Scale Counter Tact Switch Register 100-240V CE IDC-S1RH

Model: IDC-S1RH 100-265V   |    Mpn: IDC-S1RH-220   |    Ean: 0640522999125   |    PartNumber: IDC-S1RH-220   |   Asin: B008JCPJH0

Model: IDC-S1RH-220
Description
DIN(48X48mm) Digital counter
1 - 9999 with UP/DOWN mode, Max.5kpcs
Preset scale range: 0.001-9.999
EEPROM store data for 10 years
NPN and PNP input switchable
Tact switch for up or down set value
Key lock function
Power: AC 110-240V
Input singal: Input, Pause, Reset
Output: Relay
IDC-S1RH-220 has certificate of RoHS,EMC,LVD compliance
Package content
1 x Digital counter IDC-S1RH-220

Features

  • 1 - 9999 with UP/DOWN mode, Max.5kpcs
  • Preset scale range: 0.001-9.999
  • EEPROM store data for 10 years
  • Power: AC 110-240V
  • Tact switch for up or down set value
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Brand: Inkbird   |   Manufacturer: Inkbird Tech

Package Dimensions: 2.7 x 2.9 x 5.9 inches (6.9 x 7.4 x 15.0 cm)

Amazon Price: $26.49 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $26.49

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  #13

Blue LED 4-Digital 0 - 9999 Up / Down Digital Counter

Model: STK0114007580   |    Mpn: STK0114007580   |    Ean: 0092145594995   |    PartNumber: STK0114007580   |   Asin: B00CBA8JF0

Features:

With high-speed IC, bright Blue LED
Easy to install
Good stability with strong anti-interference
Counting value be retained when power failure
Widely used in Automatic Burden System, Winding Machine, packaging machinery, textile machinery, etc
0000 to 9999 cycle counting
From 9999 to 0000 then always display 0000
Specifications:

Product model: GDD7949AT-P24V
Power Supply: DC5V 28V
Operating current: 30mA
input Signal: Pulse or switch
Trigger Mode: Rising edge
Display: Blue LED
Display Range: 0000 9999
Reset Signal: Pulse or switch2
Panel Cutout Dimension: Approx. 76.5 x 39.2mm
Overall Dimension: Approx. 79 x 43 x 30.5mm
Working Environment: 0 to 50 ; 85RH
Package Includes:

1 x Digital Counter
2 x Cable
1 x Manual

Features

  • With high-speed IC, bright Blue LED
  • Easy to install
  • Good stability with strong anti-interference
  • Counting value be retained when power failure
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Manufacturer: Generic

Package Dimensions: 1 x 3.2 x 3.8 inches (2.5 x 8.1 x 9.7 cm)

Amazon Price: $8.89 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 1-2 business days
List Price: $19.22

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  #14

DIGITEN 110V-240V 6-Digit 0-999999 LED Display Digital UP Counter+Hall NPN Proximity sensor switch+holder

 PartNumber: HMC11-6H-220-HALL   |   Asin: B01DGDHO1U

HMC11 series electronic accumulative counter, adopts low power integrated circuit, high bright LED Display with clear appearance. It has power off memory without machine damage, durable enough. It is widely used to production line counting, flow counting, rotation counting, length counting, times counting and such occasions.

Specification

Power supply: 100-240VAC
Power consumption: Approx.10W
Range: 0-999999
Counting speed: 10 times/s
Hall sensor: Pusle signal,NPN 3 wires normally closed, Lenth is 1.2m
Reset time: 0.5s
Reset method: Panel button,manual
Detection range: 10mm
Detected objects: magnet
Cutting size: 38.5x27.5mm
Working temp: 0-50C
Data storage: 10 years
Power wire length: 1.2m

Packaging list

1 x HMC-6H counter
1 x Hall sensor
1 x Sensor holder
1 x Power wire

Features

  • Power supply:AC100-240V
  • Count Range: 0-999999
  • UP plus pulse meter
  • Hall sensor: NPN NC
  • Data be retained when power failture
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Brand: DIGITEN   |   Manufacturer: DIGITEN

Item Dimensions: 33.46 x 15.75 x 22.44 inches (85.0 x 40.0 x 57.0 cm)   |   Package Dimensions: 1.8 x 4 x 5.6 inches (4.6 x 10.2 x 14.2 cm)

Amazon Price: $24.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 1-2 business days
List Price: $24.99

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  #15

DROK 090710 Two wires AC 80-300V 10-199.9HZ Digital Frequency Counter Cymometer Frequency Monitor Tester Panel Gauge 3 Digits Blue Backlight LCD Display

Model: 090710   |    Mpn: 090710   |    Ean: 0619397030097   |    PartNumber: 090710   |   Asin: B00CHFO4DK

Parameters
Range: 10-199.9Hz can only test frequency voltage
Voltage Range: AC 80V - 300V
Measurement accuracy: 0.5% +/- 2 words
Accuracy : 0.1Hz
Backlight colors: Blue
Cutting Size: 76x39 mm
Thickness: 40mm
Dimensions: 79x43x25 mm
Power : Two wires access, Doesn't Require a Power Supply

Package Includes:
1x Digital Frequency Meter

Features

  • Accuracy adjustment: rotate potentiometer by screwdriver clockwise/counter clockwise to turn up/D
  • It adopts microcomputer Intelligent design to ensure stability and reliability
  • Installation Hole creates convenient and easy mounting
  • LCD material is used in display screen; black word in Blue background is Clear to read
  • It is two-wires access and doesn't require extra power supply
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Brand: DROK   |   Manufacturer: DROK

Package Dimensions: 1.1 x 2.5 x 3.9 inches (2.8 x 6.4 x 9.9 cm)

Amazon Price: $10.47 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $10.47

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  #16

B&K Precision 1803D Frequency Counter, 200MHz, 7 Digit LED Display

Model: 1803D   |    Mpn: 1803D   |    Ean: 0817050180343   |    PartNumber: 1803D   |   Asin: B0032UZNCK

The is a value-priced frequency counter offering users a simple and accurate frequency measurement.

Features

  • Selectable gate times 0.1 sec and 1.0 sec
  • 7 digit LED display
  • Highly accurate time base
  • Compact bench top AC powered counter
  • Wide Measuring range up to 200 MHz
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Brand: B&K Precision   |   Manufacturer: B&K Precision Corporation

Package Dimensions: 4 x 8.9 x 10.7 inches (10.2 x 22.6 x 27.2 cm)

Amazon Price: $198.31 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $220.00

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  #17

Dolphin Gauges-GM Pulse Generator

 PartNumber: SKU_00000058   |   Asin: B00NO0LF4S

If you have an older model GM transmission and are using the programmable speedo set, don't forget your pulse generator. See the additional information below to see if this is needed for your application.+ Allows modern GM engines to be mated to non-electronically controlled GM automatic transmissions.+ Converts mechanical speed signal into a digital square wave signal, at 128K pulses per mile, for you modern GM "engine computer"/speedometer+ 8000 pulses per mileTransmission types and required Pulse Generator:Ford:C-4C-6Tremec 5 SpeedAOD:All these require Ford Pulse except some C-6 (Have screw on cables) therefore GM Pulse would applyGM:Turbo 350Turbo 400 (All require GM Pulse)200R4Power Glide700R4 Early Model (Require GM Pulse)--------------700 R4 Late Model (Already built in)4L60E (Already built in)4L80E (Already built in)Chrysler:GM: They will use their existing Speedo Cable as well to screw onto thisMopar Transmission - NAPA'S Part #'s 904 & 727 - Long Cable 615-1666 Short Cable 615-1665

Features

  • Dolphin Automotive Gauges feature a Convex gauge lens, air core movements, glare free lighting, polished stainless or gold bezels, and come in a choice of face colors
  • Dolphin Automotive
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Brand: Dolphin Gauges   |   Manufacturer: Dolphin Gauges

Amazon Price: $32.00 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $32.00

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  #18

Portable Handheld Frequency Counter 10Hz-2.6GHz IBQ102 for MOTORLA ICOM KENWOOD

Model: SK151020-SP   |    Mpn: SU15112530   |    Ean: 0710749685825   |    PartNumber: SU15112530   |   Asin: B013U3TVCQ

Range 10Hz-100MHz 50MHz-2.6GHz
-Amplifier1 Meg ohm 50ohm
-Impedance1 Meg ohm 50ohm
- 30pF VSWR

Features

  • Multi-Function LCD Display * 9-Digit Display
  • Analog bar and Digit Signal Strength Indicator
  • Display Holding * 50 Display reading saving
  • Power indicator * Interactive user menu
  • Equipped with UV antenna and USB power adapter
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Brand: WishRing   |   Manufacturer: Sunkin Global Trading

Amazon Price: $47.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 1-2 business days
List Price: $47.99

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  #19

DIGITEN 12V 4 Digit Red Counter Meter+Infrared Proximity Photoelectric Switch Sensor NPN

 Ean: 0600748801206   |    PartNumber: GDDS-02   |   Asin: B016U4J190

Features & Specifications

Power supply:DC12V
DC Current 60mA
Sign:Pusle signal
Infrared photoelectric switch sensor:NPN 3 wires normally open,NO,6-36VDC
trigger mode: rising edge
Display dimension: 0.56" RED
Reset signal:Pulse or switch
Counting:Plus or minus
Response frequency: 100HZ
Display range:0-9999
Panel cutout dimension:76.5mm*39.2mm
Overall dimension: 79mm*43mm*30.5mm
Sensor dimention: M18x70mm.
Detection distance: 10mm
Sensor cable length:1200mm
The meter retain the number automatically when power cut off.
Sensor wiring:brown---Power+; blue---Power-;black---signal.
Operating temperature: 0 to 50 C.

Packaging include

4 Digit red counter x 1
IR proximity sensor x 1
4 wires cable x 1
2 wires cable x 1
Instruction x 1

Features

  • Power supply:DC12V
  • Infrared photoelectric switch sensor:NPN 3 wires normally open,NO,6-36VDC
  • Counting:Plus or minus
  • Response frequency: 100HZ
  • The meter retain the number automatically when power cut off.
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Package Dimensions: 1.4 x 4 x 4 inches (3.6 x 10.2 x 10.2 cm)

Amazon Price: $18.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 24 hours
List Price: $18.99

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  #20

DIGITEN 12V-24V 6-Digit 0-999999 LED Display Digital UP Counter+Hall NPN Proximity sensor switch+holder

 PartNumber: HMC11-6H-12-HALL   |   Asin: B01DGDHOKQ

HMC11 series electronic accumulative counter, adopts low power integrated circuit, high bright LED Display with clear appearance. It has power off memory without machine damage, durable enough. It is widely used to production line counting, flow counting, rotation counting, length counting, times counting and such occasions.

Specification

Power supply: 12-24VDC
Power consumption: Approx.10W
Range: 0-999999
Counting speed: 10 times/s
Hall sensor: Pusle signal,NPN 3 wires normally closed, Lenth is 1.2m
Reset time: 0.5s
Reset method: Panel button,manual
Detection range: 10mm
Detected objects: magnet
Cutting size: 38.5x27.5mm
Working temp: 0-50C
Data storage: 10 years
Power wire length: 1.2m

Packaging list

1 x HMC-6H counter
1 x Hall sensor
1 x Sensor holder

Features

  • Power supply:12-24VDC
  • Count Range: 0-999999
  • UP plus pulse meter
  • Hall sensor: NPN NC
  • Data be retained when power failture
  • See more on Amazon...

Brand: DIGITEN   |   Manufacturer: DIGITEN

Item Dimensions: 33.46 x 15.75 x 22.44 inches (85.0 x 40.0 x 57.0 cm)   |   

Amazon Price: $22.99 | as of 11/20/2018(8:57am pst)
Availibility: Usually ships in 1-2 business days
List Price: $22.99

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