The model DR-700 is that telephone lineman can check
independently line (fault) conditions without the help of
test room. So, it help to save working time in the
field.
1. Insulation resistance measurement
(earth-state, line-cut, line-short, and telephone capacity
measuring)
2. Tone & pulse dialing
3. Speakerphone for hands free two way conversation
4. Subscriber calling
5. Last number redial
6. Hook and flash function
7. High impedance monitor function
8. Transmitter mute switch
9. Continuous polarity LED indications
10. Line powered with high voltage protection
11. Water-proof
Insulation resistance measurement range : 0 - 10Mega Ohm
Transmitter / receiver : same as general telephone
Dialing : Tone / Pulse
Last number redial : up to 32 digits
Monitoring impedance
Power : DC9V(6F 22/9V battery)
Dimension : 225 * 62 * 70(m/m)
Weight : 500g