English > Products > Telecom Operation&Testing > Telephone Line Tester > ST220 Tel Line Tester

InformationParametersDownloads
Information

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

Parameters

Insulation impedance 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

Downloads
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