Hand free SENTER ST230F test telephone small telephone line tester

Main functions and key features

Telephone line fault checking

Monitor, ISDN/ADSL identification

Hand free function(two speak ways, loudspeaker)

Description

Main functions and key features

Telephone line fault checking

Monitor, ISDN/ADSL identification

Hand free function(two speak ways, loudspeaker)

Calling number displaying

One Key override lockout function Data lockout override function

Tone/pulse transfer function

High DC voltage indication

High AC voltage alarm

Low voltage self-checking, automatic power off and energy-save design

Memory key(10 groups of 18 digits)

Telephone functions(Dialing, Receiving, Redial)

Caller telephone number display

Telephone number storage and dial function

Mute function

Tester test (AC V & DC V test, Insulation test, Open line test, Earth insulation)

Call user & talk

Check wire pairs

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	11.1V, 620mAH Li-ion chargeable battery
Relative humidity	10%~95%
Environment noise (dB)	≤60
Atmospheric pressure (Kpa)	86~106