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  • Display Counts: 2,000 counts
  • Basic Accuracy: 1.0%
  • DC/AC Voltage: 0.1 mV to 600 VDC; 1 mV to 600 VAC
  • DC/AC Current: 0.1 µA to 200 mA
  • Resistance: 0.1Ω to 20MΩ
  • Diode/Continuity: Yes
  • Transmitter
    • Display: Two red LED lamps
    • Test Leads: 17 alligator clips (16 red and 1 black (ground))
    • Cable Resistance: 30kΩ max
  • Receiver:
    • Display: Two digit blue LED display
    • Test Leads: 2 alligator clips (1 red and 1 black)

What's in the Box

  • 16-line transmitter
  • Multimeter/receiver
  • 2 9V batteries
  • Pouch case
  • 2 AAA batteries

The Extech CT40 cable identifier/tester kit enables one person to troubleshoot electrical/electronic circuits and remotely identify up to 16 wires. Multimeter functions of the Extech CT40 include AC/DC voltage and current, resistance, diode and continuity.

With the Extech CT40 cable identifier/tester kit, you can check wire voltages from 5 to 16 VDC. Other features of the Extech CT40 cable identifier/tester kit includes data hold, max hold and auto power off. Both the Extech CT40 transmitter and receiver feature a low battery indicator. These Extech units also feature a CAT III-600V safety rating.