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Home » Products » TELEPHONE LINE TESTER » Telephone Line Tester

Telephone Line Tester

Telephone Line Tester
Telephone Line Tester
Product Code : ST220B
Brand Name : VTECH
Product Description

Telephone Line Tester

ST220B is a compact telephone line tester combining basic line tester function, auto ring, calling subscriber, checking line pair and high voltage protection. It is rather a good portable, handheld tester to the lineman.


Main Functions

Telephone functions (Dial, redial, talk and hook)

Fault tests (Insulation test, line break test and earthing test)

Checking wire pairs

Call subscriber & talk

Pulse/Tone dialing

Low battery check.


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 D

imension (mm) :146×54×37

Battery (V): 9

1st Floor, SCF-57-58, Huda Market, Sector-29, Faridabad - 121008, Haryana, India
Mr. Rohit Gupta
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