Extech CLT600 Advanced Cable Locator and Tracer Kit

Extech CLT600 advanced cable locator and tracer kit

The Extech CLT600 is a cable locator and tracer kit for finding hidden power cables, telecom cables and wires in walls, ceilings and floors, tracing a cable to its breaker, and finding breaks. A transmitter injects a 125 kHz signal into the conductor and a handheld receiver picks the signal up, showing strength on a bargraph and with a sound indication; coded transmission and automatic or manual sensitivity help in cluttered installations.

The kit works on powered and unpowered wires, includes non-contact voltage detection in the receiver so the user does not touch live wires, and the transmitter measures AC/DC voltage from 12 to 450 V. It comes in a hard case with leads, clips, a grounding spike, batteries and a socket adapter.

Technical specifications of the CLT600

The figures above are from the CLT600 datasheet. The kit is supplied with the US socket adapter; European and UK adapters are available separately.

How the CLT600 locates a cable

The transmitter connects to the cable either through a socket adapter or through test leads and clips, and puts a coded 125 kHz signal on the conductor. The receiver is swept along the wall or floor; the signal strength bargraph and the sound rise as the receiver gets closer to the cable path and peak directly over it. The three detection levels let the user pick the sensitivity, from about 10 cm for precise location to about 50 cm for a wide search.

Because the signal is coded, the receiver can distinguish the intended cable from neighbouring ones in a bundle, and the non-contact voltage function in the receiver warns when a conductor is live. The transmitter can also be used to identify the breaker or fuse that supplies a circuit, by following the signal at the panel.

Typical jobs for the CLT600

• Tracing hidden power and telecom cables before drilling or chasing a wall.
• Finding the breaker or fuse that feeds a particular socket or lighting circuit.
• Locating breaks in cables and wires.
• Checking whether a wire is energized from 12 to 450 V.
• Identifying cable routes in ceilings and floors on refurbishment projects.

For voltage verification on panels, a two-pole tester such as the Extech VT30 is the more rigorous tool; the CLT600 is a locating and identification kit.

Selection checklist for the CLT600

• Check the plug type used on site: the kit includes a North American adapter, with EU and UK adapters ordered separately.
• Confirm the maximum depth you need; the receiver specification lists about 50 cm at the highest level.
• Confirm voltage limits: the transmitter measures up to 450 V AC/DC and is rated CAT III 450 V.
• Decide whether grounding rods (GR15) or extra test leads (CLT-TL) are needed.
• Plan for 12 spare AAA batteries for extended jobs.

Operation and care of the CLT600

Connect the transmitter to the circuit, select the signal mode, power the receiver, and sweep with the receiver held steady against the surface. For unpowered cables, use the grounding spike to provide the return path. Use mute mode in quiet areas and the backlight in dark spaces. Replace all AAA batteries at once, keep the units dry and keep the hard case closed between jobs. Do not exceed the voltage limits of the transmitter or the fuse rating of 690 V, 0.5 A.

Applications of the CLT600 in Oman and the GCC

Facilities teams and contractors on renovation and fit-out projects in commercial and industrial buildings use cable locators to avoid drilling into live cables and to document existing routes before changes. In plants with concrete floors and cable trenches, tracing a feeder to its source breaker saves time during maintenance. Hot site conditions suggest keeping the kit out of the sun to preserve battery life.

Information to send with an RFQ for the CLT600

• Part number CLT600 and the required quantity
• Socket type used on site (US, EU or UK adapter)
• Optional grounding rods, leads or extra adapters
• Delivery location in Oman or the GCC and the required lead time
• Whether calibration documentation or a traceable calibration certificate is required

Storage, handling and spares for the Extech CLT600

Store the Extech CLT600 in its case or holster with the test leads disconnected. Remove the batteries if the meter will not be used for several weeks, because leaking cells can damage the battery contacts. In Oman and the GCC, do not leave the instrument in a parked vehicle during summer, where cabin temperature can go well above the storage limit in the user manual.

• Inspect test leads, probes and clamps before each use and replace any lead with damaged insulation or exposed metal.
• Use only leads and accessories rated for the same or a higher measurement category than the work you do.
• Keep spare fuses of the exact type given in the manual; a wrong fuse removes the protection the meter is built with.
• Plan a regular calibration interval, often twelve months, and keep the certificate with the instrument records.

If your team uses several units of the Extech CLT600, it is useful to order spare test leads and batteries in the same RFQ, so that a meter is not taken out of service for a simple accessory.

Documents and quotation

A datasheet for the Extech CLT600 is attached on this page. It lists transmitter and receiver specifications.

Send us the part number CLT600, the quantity and the delivery location in Oman or the GCC, and we will reply with availability and a quotation. Seven Star LLC is an independent supplier in Muscat and is not affiliated with the manufacturer.