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Extech CT40 Cable Identifier / Tester Kit

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  • Allows independent testing on up to 16 cores of multi strand cable
  • Measures AC/DC voltage up to 600V
  • Also includes resistance, diode and continuity functionality
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rrp £90.12

now £71.50 (Ex. VAT) £85.80 (Inc. VAT)

rrp £90.12


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"Complete Extech Cable Identifier testing kit, including Digital Multimeter and Accessories"

  • Description

    Extech CT40 Cable Identifier and Digital Multimeter

    Allowing one person to remotely identify up to 16 wires in a multi strand cable, the Extech CT40 cable identifier is the perfect tool for your troubleshooting needs.

    With wire voltage check from 5 to 16V DC, this tester kit also comes fully equipped with a range of multimeter functions, offering AC/DC voltage measurements to 600V, resistance, diode and continuity features, as well as Data Hold and Max Hold functionality and auto power off to conserve power.

    This 16 line transmitter and digital multimeter set comes complete with two 9V batteries, pouch case and 2 AAA batteries; everything you need to get testing straight away.

    • Identify up to 16 wires within a cable
    • Measures AC/DC voltage up to 600V
    • Tests for resistance, diode and continuity
    • Complete testing set
  • Specification


    • Display counts: 2000 count
    • Basic accuracy: 1.0 %      
    • DC/AC voltage: 0.1 mV to 600V DC, 1 mV to 600V AC
    • DC/AC current:  0.1μA to 200mA
    • Resistance: 0.1Ωto 20MΩ
    • Diode / Continuity: Yes
    • Dimensions: 6.3x2.9x1.7"(162x74.5x44mm)
    • Weight: 10.8oz (308g)


    • Display: Two red LED lamps
    • Test leads: 17 alligator clips (16 red and 1 black (ground))
    • Cable resistance: 30kΩ max


    • Display: Two digit blue LED display
    • Test leads: 2 alligator clips (1 red and 1 black)
  • Supplied Accessories

    • Extech CT40 16-Line Transmitter
    • Extech CT40 Multimeter / Receiver
    • Two 9V Batteries
    • Two AAA Batteries
    • Pouch Case
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  • Delivery Information

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    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

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    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

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