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620 C Digital Micro Ohm Meter

Digital Micro Ohm Meter

620C digital micro ohm meter is an ideal instrument for measuring the resistance of inductive loads such as power transformers and the contact resistance of low-voltage switches, cable or weld interface resistance.

The 620C Micro ohm meter mainly used to measure the wire resistance of cables, the contact resistance of switches, connectors and relays, resistance of coils, motors and transformer windings. In addition, connection resistance between metal components such as equipment housings, lightning protection belts , low-value resistance test and ground poles resistance test of connecting conductor, contact resistance test.

Micro ohm resistance testing finds application in telecommunication, railway & metro, railway maintenance departments, power grid and distribution, industry electrical maintenance departments.

620 C low ohm meter has data storage feature & stores upto 500 sets of data, easily transferrable to PC though USB cable. The equipment comes with following accessories:

  • Kelvin Clips
  • Power Adaptor
  • USB Cable
  • Software CD
  • Carrying Bag
  • User Manual

620 C Micro Ohm Meter is widely used in telecommunication, railway & metro, railway maintenance departments, power grid and distribution, industry electrical maintenance departments. 

Specifications
Product Specification

Resistance Range

0.001mΩ~300.0KΩ

Resolution

1uΩ

Accuracy

±0.1%FS (@18oC~28oC) , <70%RH : ±0.1%FS ± 20dgt

Test Method

Four-wire measurement

Test Current

≥1A

Open Circuit Voltage

≤4.2V

Power

Measurement power ≤8W

Power Supply

DC 3.7V 2000mAh large capacity lithium battery

Display / Backlight

LCD display , Controllable gray screen backlight, suitable for using in dark places

Test leads length

About 70cm,red×1, black×1

Test Time

2 / s

USB Interface

Micro USB interface

Data Storage

500 sets

Over Range Display

Over range function: display“OL”

Battery Voltage / Auto Off

Battery power is displayed in real time / Automatically after 15 minutes

 

Power Consumption

Standby: about 100mA (turn off the backlight)

Power on and turn on the backlight: about 105mA

Measurement:2A Max

Operating Temperature & Humidity

-10oC~50oC;<70% RH

Overload Protection

Among interfaces C1-C2 P1-P2 AC 220V/0.0001s, after overload protection, restart the meter to test normally

Insulation Resistance

>10MΩ (between the circuits and the housing: 500V)

Voltage Resistance

AC 3700V/rms (between the circuits and the housing)

Electromagnetic Properties

IEC61010-4-3,wireless Frequency electromagnetic field ≤1V/m

Features
Features
  • Wide range, 0.001mΩ~300.0kΩ
  • High accuracy: ±0.1%FS
  • Minimum measurement range: 0.001mΩ
  • Gray screen backlight, suitable for using in dark places - Can be used in a narrow space indoor environment to facilitate on-site troubleshooting
  • 500 Sets Data storage function, convenient to view test data and make tables after measurement
  • USB Data download : Upload data through the host computer software to monitor the measurement data in real time, convenient for data management and analysis
 
 
FAQ
FAQ
Frequently Asked Questions (4 answered questions)
The equipment can measure the lowest resistance 0.001mΩ with resolution of 1uΩ.

Person name: Asian

Yes, data Is easily transferrable to PC through USB cable.

Person name: Asian

Yes, It stores data upto 500 sets

Person name: Asian

It’s a Built-in rechargeable 2000mAh large capacity lithium battery.

Person name: Asian

 
 
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Product Info Downloads

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