Calibration & Testing
From our purpose built facility in Chesterfield our instrument technicians are available to provide in-house calibration traceable to UKAS standards. We also offer on-site calibration, either as an on-demand service or as part of a maintenance package.
Calibration includes:
• Temperature (up to 1,200°C)
• Pressure (up to 1,200 bar)
• Flow (up to 2,500 L/min)
• Electrical parameters
Valve Testing
Multiplex can test and certify all types of valves
• Control valves
• Ball valves & actuators
• Pressure relief valves
• Manual valves
Multiplex have the following certified test equipment
• Hydrostat test rig
• Leakage test rig
• Relief valve test rig
• Control valve profiler
• Diagnostic software for positioners
• Factory Acceptance Testing
Onsite calibration and servicing
Our technicians use the latest technology to provide the most accurate equipment calibration. Full certification is provided for all calibrated equipment. Our workshops are equipped with the latest equipment and software.
We offer a service option of scheduling the automatic recall of your instrumentation and equipment when it is due for recalibration.









