English > Products > Telecom Operation&Testing > Cable Fault Locator TDR > ST620B DMM /TDR Cable Fault Locator



1. Large color LCD Display (480 x 280 dot); humanized operation interface; six function keys and simple operation.

2.Combine with pulse reflection testing (TDR) and Digital Multimeter(DMM), can test broken lines, crossing lines, poor insulation and other types of faults.

3.Manual testing function is preserved.

4.Full English Menu is easy to master and use.

5.With megameter and ohmmeter, it enables to test insulation resistance and loop resistance.

6.With USB Port, it is easy to upload testing data to computer(This function is optional)

7 Rechargeable lithium battery, intelligent charging without duty.

8.Small dimension, light weight and portable design.

Packing List

Standard Equipment Parts:    



1)Pulse reflection testing(TDR)

Max range: 8 km(16kms, and 32kms are optional)

Dead Zone: 0 m

Testing Accuracy: 1m

Pulse width: 40ns-10μs with automatic adjustment

Automatic impedance balance adjustment

Automatic and manual gain adjustment

2) Digital Multimeter(DMM)

  DC voltage: -400V~ 400V, resolution can reach 0.001V

  AC voltage: 0V~290V

  Capacitance: 0nF~1000nF

  Accuracy: 0--10nF: ±2nF; 10nF--1000nF :  ±2% +±2 nF

  Loop resistance: 0Ω~20kΩ

  Accuracy: 0--100: ±3% +±4Ω  100-500: ±3% ; 500-20 KΩ±2%

  Insulation resistance between line: 0M Ω  -30M M Ω.

  Accuracy:0--1.0M: ±0.1M Ω1.0M - 30M: ±10% + 0.5 MΩ.

  The charging time of about 3.5 hours

  Full - after 8 hours of continuous operating time

  Size: 210mm * 166mm * 90mm

  Weight: 1Kg.

ST620B Cable Fault Locator Datasheet.pdf
20190513154402214.pdf (312.46 KB)