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ST220 Tel Line Tester

ST220 Tel Line Tester is a new kind of line fault tester with safety & multi-functions capabilities. Besides the functions as a common Tel Line Tester, it also has the functions of high voltage protection and dangerous voltage warning, etc.

Product Features

Main Functions
● Dialing, talk, hook
● Checking wire pairs
● Test insulation or break faults of the line
● Pulse/Tone switch
Key Features
● DTMF applying to GB/T15279-94
● High voltage alarm
● Low voltage warning
● Last number redial
● Special durable test clamp
● Automatic power off and energy-save design
● Pocket size, simple operation

Product Parameters

Range (MΩ) 0~10
Ring distance (Km) ≤1
Line break resolution (Km) ≤3
Weight (kg) ≤0.22
Dimension (mm) 146×54×37
Battery (V) 9

Application and After-Sales Service

Application: Used for Tel line testing
After-Sales Service: 1 year warranty

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