The DR-5 is designed for repairing line faults and
installing new telephone lines, especially for the MDF in
unmanned offices which do not have their own test
board.
1. Insulation resistance measuring
2. Loop resistance measuring
3. DC voltage measuring
4. Terminal, Line capacity measuring
5. Subscriber calling
6. Dialing(Tone, Pulse type)
7. Transmitting, receiving, waiting, and three way
calling
8. Test tone transmitting
9. Four type melody sound
Insulation resistance measuring range: DC180V / 50Mega
Ohm
Loop resistance measuring range : 0 ~ 500Kilo Ohm
DC voltage measuring range : 0 ~ 150V
Ring signal Range : 20Hz / 75V
Power : DC12V, AC 85~260 Free voltage
Dimension : 330 * 220 * 140(m/m)
Weight : 3.5kg