Legal Metrology Delivery: testing facilities

Information for manufacturers.

The laboratories and chambers at our Teddington site are all fully traceable to national standards, operated in accordance with ISO/IEC 17025:2005, and available for research or pre-assessment testing.

Anechoic chamber

We perform RFI testing to IEC 61000-4.3. Our chamber is approximately 3 x 3 x 3 metres and can generate a frequency of 26 MHz to 3 GHz, at up to 10 volts per metre.

Environmental chambers

We perform static temperature testing to IEC 60068-2-1 and IEC 60068-2-2 and damp heat steady state and cyclic testing to IEC 60068-2-78 and IEC 60068-2-30. Our two chambers allow testing from -25ºC to 70ºC and can achieve 95% relative humidity quickly and cost-effectively. We have a walk-in chamber measuring 4 x 3 x 2.5 metres.

Electrical test laboratories

We perform burst, surge, voltage variations, dips, interruptions and conductive testing to IEC 61000 standards, and the metrological testing of measuring instruments. We also test vehicle mounted measuring equipment to ISO 7637.

Deadweight force loading rig

We perform load cell testing in accordance with OIML R60, to assist manufacturers with the development of prototypes. Our deadweight machine will produce 100 kg to 1000 kg and the chamber in which it is located allows testing from -10ºC to 50ºC.


We perform pre-assessment testing to give manufacturers confidence in their products’ ability to pass EMC immunity testing (although not limited to EMC testing).

Contact LMD


Write to:

Legal Metrology Delivery
Office for Product Safety and Standards
Stanton Avenue
TW11 0JZ

Published 14 April 2014