About Testo

Testo Limited is based in Alton, Hampshire and has been operating for 30 years as the UK subsidiary of testo AG, selling products throughout the UK and Ireland. We offer an extensive range of instrumentation manufactured to the highest standards that provide our customers with exceptional durability, functionality and ease of use. testo instruments can be purchased either direct from the UK or from a wide range of resellers and distributors throughout the UK and Ireland.

Testo instruments are widely used in the following sectors:

  • HVAC-R: heating, ventilation, air conditioning and refrigeration.
  • Process Industry: manufacturing industries, service companies and utilities.
  • Food Sector: including food manufacture, transport, storage, distribution and retail.
  • Thermal Imaging: for building surveys, maintenance, electrical inspections and production monitoring.

If you would like to view our full range of products please visit www.testo.co.uk.

Instrument Service and Calibration
Testo Limited have a fully equipped service, calibration and repair centre run by an experienced team. Our UKAS (ISO/IEC 17025:2005) accredited laboratory calibrate a wide range of instrumentation and can manage equipment inventories of varying quantities, offering fixed term contracts with fast turnaround times, at competitive prices.

Testo Sales Coverage

Our technical sales team cover the UK and Ireland, please contact us on 01420 544 433 to arrange an appointment.

Head Office – Testo AG

Testo AG, with its headquarters in the Upper Black Forest, is a globally leading manufacturer of portable and stationary measurement technology. The high-tech company offers measurement solutions for climate and environmental technology, industrial applications, emission measurement, the monitoring of food quality and the building trade, among other areas. Every year, the company invests approximately 15 percent of its turnover in research and development and thus has an above-average expenditure on future-oriented technologies. With 30 subsidiary companies and over 80 distribution partners, the company is represented all over the world, and has a worldwide staff of roughly 2200.

Memberships and Accreditations

All Food Hygiene

Association of Plumbing & Heating Contractors

Catering Equipment Suppliers Association

Charted Institute of Plumbing and Heating Installation

Commissioning Specialists Association

National Federation of Fish Friers

Oil Firing Technical Association

The Council of Gas Detection and Environmental Monitoring

The Katie Haines Memorial Trust

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