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Calibration
How to calibrate an instrument:
1. Use high quality reference standard which is ideally 10 times more accurate (with a minimum requirement of 4 times more accurate) than the unit under test.
2. The calibration must include an appropriate number of readings across the range(s) and an uncertainty of measurement. Ideally this measurement process will be carried out against a manufacturer’s specification, or British Standard and therefore passing, or failing the criteria.
3. If the calibration meets the criteria - issue a certificate and label the calibrated equipment.
Seems simple enough. But there are many different types of instruments that measure many different parameters. To make things even more complicated, there are different levels of calibration—all our calibrations are governed by UKAS or BSI. Even though 90% of all UK calibrations are to the less restrictive BSI standard — Pennine's electrical, dimensional and acoustic labs are UKAS accredited and we are working towards accreditation for four more of our labs. So whatever your needs—such as gold standard calibration for safety critical equipment or routine fit-for-purpose process calibrations—we have the laboratories, accreditation and expertise to meet them.
- Acoustic
- Air Velocity
- Dimensional
- Electrical
- Light
- Miscellaneous
- Pressure
- Roughness
- Subcontracting
- Torque
- Temperature
Acoustic Calibration
Pennine Instruments has a model specific UKAS accreditation for the calibration of sound level meters and calibrators. See our UKAS Schedule for further information.
The Acoustic Lab also offers a fully traceable calibration service for most makes and models of acoustic measuring instrumentation. The primary equipment in use within the laboratory is an automated Norsonic NOR 1504A Calibration Test Centre with two Anechoic Chambers.
The following list illustrates some examples of equipment that may be calibrated in this laboratory:
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Air Velocity Calibration
The Airflow Calibration Lab has fully air-conditioned environment and contains a 5m wind tunnel. The wind tunnel generates airflow from speeds of 0.3 to 30.0 metres per second. The wind tunnel velocity and the laboratory barometric conditions are constantly monitored by precision instrumentation enabling the laboratory to offer both a UKAS or precision traceable airflow calibration service. See our UKAS Schedule for further information
The following list illustrates some examples of equipment that may be calibrated in this laboratory:
- Thermal Anemometers
- Rotating Vane Anemometers
- Air Quality Meters
- Weather Meters
- Velometers
- Pitot Tubes
Dimensional Calibration
The Dimensional Lab offers a comprehensive calibration service for both UKAS and traceable calibration requirements. See our UKAS schedule for further information.
The following list illustrates some examples of equipment that may be calibrated in this laboratory:
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Electrical Calibration
The Electrical Lab offers a very comprehensive calibration service for low frequency and microwave instrumentation. Most types of low frequency instruments are available for UKAS calibration. UKAS schedule for further information.
The following list illustrates some examples of equipment that may be calibrated in this lab:
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Light Calibration
Pennine Instruments has bespoke facilities for the calibration of light meters between the values of 0 lux to 20,000 lux. All calibrations are fully traceable to National Physics Laboratory (NPL) and potential customers are invited to inspect the laboratory whenever required.
> Light Meters
Miscellaneous Calibration Services
Pennine Instruments offer a calibration services in many other areas that are not contained within this web site. If you have a requirement that is not contained within our web site, please contact us.
The following list illustrates some examples of miscellaneous equipment that can be calibrated in our laboratories:
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Pressure Calibration
Pennine Instruments now operates a truly comprehensive pressure calibration service with four deadweight testers and a low pressure rig in operation as follows:
1 pascal to 2 kilo pascals (pneumatic)
1 bar vacuum to 1 bar (pneumatic)
1 bar vacuum to 70 bar (pneumatic)
1 bar to 700 bar (pneumatic)
1 bar to 700 bar (hydraulic)
1 bar to 2600 bar (hydraulic)
The low pressure dead weight tester has a facility for the calibration of vacuum gauges.
All calibrations are carried out in full monitored and environmentally controlled laboratory environment.
The following list illustrates some examples of equipment that may be calibrated in this laboratory:
- Pneumatic Pressure Gauges
- Hydraulic Pressure Gauges
- Vacuum Gauges
- Differential Pressure Gauges
- Manometers
- Transducers
- Calibrators
- Tyre Gauges
Roughness Calibration
Pennine Instruments maintains a Mahr Roughness Calibration System. A fully traceable calibration service is offered for both roughness measuring instrumentation and roughness specimens.
The following list illustrates some examples of equipment that may be calibrated in this lab:
- Roughness Testers
- Roughness Specimens
Subcontracting Calibration
The company provides a seamless, highly efficient and effective subcontractor network for calibration requirements, which may fall outside our range of activity.
The network is strictly controlled by the ISO 9001:2008 Quality Management System and all work subcontracted by Pennine Instruments is closely monitored.
Please contact us using the details on our contact page for further information.
Torque Calibration
Pennine Instruments offer a torque wrench calibration service up to 1000 Nm. The primary calibration equipment used is a Norbar ISO1000 Rig and a series of transducers.
The following list illustrates some examples of the torque equipment that may be calibrated in this laboratory:
- Screwdrivers
- Wrenches
- Analysers
- Multipliers
- Transducers
Temperature Calibration
Pennine Instruments maintains a temperature calibration lab offering UKAS temperature calibration by simulation for calibrators and indicators (see UKAS schedule for further information) and a fully traceable calibration service for all other temperature related instrumentation.
The following list illustrates some examples of equipment that may be calibrated in this laboratory:
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