ST230D HOT handheld telephone line tester with basic function (butt set/lineman tester) without battery

Brief Introduction

ST230D Tel Line Tester is a new kind of line fault tester with safety &multi-functions capabilities. Besides the basic functions as a common Tel Line Tester, it also has functions of high voltage protection and polarity indication, and so on.

Main Functions

Common telephone function: Dial, Ring, Talk

Mute

T/P switch

High voltage protection (by fuse)

Polarity indication by LED

Volume adjust

Pause

Store phone number

Monitoring function

Last number redial

Telecom Line Identifying (Telephone line, ISDN line, ADSL line)

Key Features

Dumbbell shape, small size, simple operation

Special Dumbbell shape design

Small size

Easy operation

Solid new materials for shell

Waterproof and vibration proof

Dimension & Weight

Dimension (mm): 232x73x95

Weight (kg): ≤ 0.5

Operation Environment

Environment temperature: -10 ~55

Relative humidity: 10%~95%

Environment noise: ≤60dB

Atmospheric pressure: 86~106Kpa

Accessories

RJ11 assistant test cord × 1

0.3a fuse tube x 1