Specification :

ST230 Line Tester
It integrates various kinds of functions such as telephone and line test to be the one.
FEATURES
1. CID function, FSK/DTMF compatibility
2. DTMF applying to GB/T15279-94
3. Dialing number displayChecking wire pairs function
5. Low voltage warning, automatic power off and energy-save design
6. Small size, simple operation
SPECIFICATIONS
DC V test:
Range (V) 0^260
Error ±5%
Insulation impedance test:
Range (M©): 0.1~10
Range (M©): 10~30 Error: d±5%±0.1 M©
Error: d±10% ±0.5M©
General specifications:
Ring distance (Km) d 2
Open resolution (Km) d 2
Monitoring resistance (M©) e1
Temperature () -10~55
Weight (kg) 0.5
Dimension (mm) 232×73×95
Battery Rechargeable 9V NI-MH battery
Relative humidity 10%~95%
Environment noise (dB) d60
Atmospheric pressure (Kpa) 86~106