Adiator CLT1 Clutchless Compressor Tester

£352.69 ex VAT £423.23 inc VAT

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  • Official UK Supplier
    100% Genuine Products
  • Next Day Delivery
    On Orders Placed Before 11am
  • Exclusive 2 Year Warranty
    On Diagnostic Tools
  • Activate Your Two Year Warranty

Expand your vehicle air conditioning diagnostic capabilities with the CLT1 - a tool for testing all clutchless, direct drive and externally controlled compressors regardless of ambient air temperature.

The CLT1 allows you to answer important diagnostic questions like is the air con problem caused by electronics or the A/C loop.

Testing is quick and easy and does not require the dismounting of the compressor, saving valuable time. Simply disconnect the compressor and connect the tool and it will diagnose the problem in less than 15 minutes.

Kit contents:

  • CLT Tester tool
  • Hook with magnet clip
  • 2m universal cable for connection clutchless compressors
  • Power supply cable for connecting to vehicle battery
  • 2m connecting cable for Sanden compressors (VAG vehicles)
  • 2m connecting cable for Denso compressors (BMW, GM, Jaguar, Lexus, Land Rover, Mercedes, Rolls Royce, Toyota)
  • Solenoid valve simulator to prevent ECU error codes being generated

Technical information:

  • Voltage supply: 11 - 15v
  • Usage temp: -10c - +40c
  • Storage temp: -20c - +50c
  • Max power consumption: 3A
  • Drives compressor from 3% - 100%
  • Weight: 600g


Delivery Rates

Mainland UK addresses

Service Price
Large orders will be sent via TNT Express £15.00
Small orders will be sent via 1st Class Royal Mail Recorded £5.00

Off-mainland UK addresses (including Islands and Scottish Highlands)

Service Price
Large orders will be sent via TNT Express £20.00
Small orders will be sent via 1st Class Royal Mail Recorded £5.00

European Delivery Rates

Zones 1 & 2*

Service Price
TNT Express £19.26

*Belgium, Ireland, Luxembourg, Netherlands, France, Germany, Monaco

Zones 3 & 4**

Service Price
TNT Express £19.99

**Andorra, Austria, Denmark, Finland, Greece, Italy, Portugal, Spain, Sweden, Bulgaria, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland, Romania, Slovakia, Slovenia 

How quickly will my order arrive?

All orders received before 11am will be dispatched same day using a next day delivery service. Orders received after 11am will be dispatched the following working day (Mon – Fri).

How can I track the status of my order?

We will keep you updated with the status of your order via email. Once the order has been dispatched you may track the parcel using the tracking code provided in the ‘confirmation of shipping’ email. If you have any questions regarding your order please email us on or phone 01752 344989.



If you are unsatisfied in any way at all, please return the unwanted item within 14 days of delivery date for a full refund or exchange. The item must be unused and retain its original labels & packaging. Sale items are not returnable or refundable.


If you think you need to return your item, the first step is to contact us by email ( or telephone (01752 344989). Please include a copy of the invoice and state the reason for returning the item and whether you would prefer an exchange or a refund.

Please note all refunds and exchanges are subject to the following terms and conditions.

For more information, please view our full returns policy.