Please send your instrument back to Turnkey HQ at the below address, please include a compliments slip or business card with your contact details.


We advise sending the instrument via recorded delivery, once your instrument has been completed we will be in touch for payment, or if you prefer, please send a cheque payable to Turnkey Instruments Ltd.


Cost for a standard G-Meter is £60.00, a G-Meter+ is £95.00 (both prices are before V.A.T).


We do not hire replacement instruments whilst yours is at HQ for Service however our turnaround time is usually 5 working days or under. 


Before sending your instrument please make a note of its serial number, should you need to contact us about the instrument this will help us identify it within the factory quicker. The serial number will start with either GM____ or GM+_____.


For any further assistance please feel free to email us.


Turnkey Instruments Ltd

Service & Calibration Centre

1-2 Dalby Court

Gadbrook Business Centre