Product Details

ST230 Telephone line tester (Telephone line fault locator) (tel line test set)

Brief Introduction

ST230 is a portable and intelligent line fault tester which is designed following human engineering theory with the appearance style like barbell, adopting advanced technologies such as intelligent CPU, IC & SMT technology. It integrates various kinds of functions such as telephone and line performance test to be the one. Inner chargeable NI-MH battery can works about one week after full charging; the shell is made of the new type of material and it is solid.

Main functions and key features

Dialing, Receiving, Redial
Incoming call number display
Mute function
P/T transfer function
High DC voltage indication
AC V & DC V test
Insulation test
Open test
Earth insulation
Call user & talk
Phone test
Check wire pairs
Monitor function
High AC voltage alarm
Under voltage self-checking

Technical Specifications

Technical specifications
DC V test Range (V)	0-260
Error	±5%
Insulation impedance test
Range (MΩ): 0~10 Range (MΩ): 10~30	Error: ≤±5%±0.1 MΩ Error: ≤±10%±0.5MΩ
General specifications
Ring distance (Km)	≤ 2
Open resolution (Km)	≤ 2
Monitoring resistance (MΩ)	≥1
Temperature (C)	-10~55
Weight (kg)	0.5
Dimension (mm)	232x73x95
Battery	Rechargeable 9V NI-MH battery
Relative humidity	10%~95%
Environment noise (dB)	≤60
Atmospheric pressure (Kpa)	86~106