Telephone Line Tester ST230D

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