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Help CenterST220 Mini Line Tester With Cheap Price
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Brief Introduction
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.
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 check
Last number redial
Special durable test clamp
Automatic power off and energy-save design
Pocket size, simple operation
Technical Specifications
Insulation resistance test | |
Range(MΩ) |
0~10 |
General specifications | |
Ring distance (Km) |
≤1 |
Line break resolution (Km) |
≤3 |
Weight (kg) |
≤0.22 |
Dimension (mm) |
146×54×37 |
Battery (V) |
9 |
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