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Pressure Calibration Services
Accurate pressure measurement is important across engineering, manufacturing, utilities, maintenance, laboratories and process applications. Pressure gauges, meters, manometers and calibrators can drift over time because of repeated pressure cycling, overload, mechanical wear and changing operating conditions.
Acutest provides Pressure Calibration for a range of pneumatic and hydraulic pressure instruments. Available services cover digital manometers, pressure calibrators, handheld pressure meters and pressure gauges across several pressure ranges.
Our laboratory checks applicable instruments against traceable pressure reference standards, helping maintain confidence in measurement performance and calibration records.
Pressure Instruments We Calibrate
Our Pressure Calibration category includes the following services:
- Digital Manometer Calibration
- Pressure Calibrator Calibration
- Handheld Pressure Meter (up to 700 bar) Calibration
- Pressure Gauge (70-700 bar) Calibration
- Pressure Gauge/Meter (up to 70 bar) Calibration
- Pressure Gauge (700 bar & above) Calibration
- Pressure Calibrator (up to 70 bar) Calibration
The available method, pressure medium, range and calibration points depend on the instrument and the service required.
UKAS Pressure Calibration Capabilities
Acutest has UKAS-accredited laboratory capabilities for the calibration of pressure-indicating instruments and gauges within defined ranges. The accredited schedule covers absolute gas pressure, pneumatic gauge pressure and hydraulic gauge pressure.
Absolute Gas Pressure
- 0.035 MPa to 0.95 MPa absolute
- 0.95 MPa to 7 MPa absolute
Pneumatic Gauge Pressure
- -0.95 bar to 0 bar gauge
- 0 bar to 70 bar gauge
- 70 bar to 140 bar gauge
- 140 bar to 700 bar gauge
Hydraulic Gauge Pressure
- 1 bar to 70 bar gauge
- 70 bar to 700 bar gauge
- 700 bar to 1,200 bar gauge
The applicable accredited service depends on the instrument type, pressure range, pressure medium and required calibration points. Calibration of pressure devices with an electrical output can also be undertaken where applicable.
For gas pressures above 14 MPa gauge, the laboratory capability shown on the schedule is limited to measuring pressure rather than generating it. Absolute pressure calibration may use an associated barometric pressure correction, with the relevant additional uncertainty applied.
Digital Manometer and Pressure Calibrator Calibration
Digital manometers are used for pressure and differential-pressure measurement in applications such as heating, ventilation, process monitoring and maintenance. Pressure calibrators provide reference pressure values when checking gauges, sensors, transmitters and other pressure instrumentation.
Calibration verifies the applicable measurement or pressure-generation functions at suitable points across the required operating range. The service provided depends on the instrument design and capability.
Pressure Gauge and Meter Calibration
Acutest provides calibration for supported analogue and digital pressure gauges and handheld pressure meters across the service ranges listed above. Pneumatic or hydraulic methods are selected according to the instrument, range and application.
For gauges operating at higher pressures, the equipment connection, condition, pressure medium and required test range should be confirmed before calibration.
Why Pressure Calibration Is Important
Pressure instruments can drift because of repeated use, pressure cycling, overload, vibration, contamination and mechanical wear.
Routine Pressure Calibration helps:
- Maintain confidence in pressure measurements
- Identify drift, damage or performance changes
- Support process control and maintenance decisions
- Maintain traceable calibration records
- Support quality management requirements
- Reduce the risk of relying on inaccurate pressure readings
Why Choose Acutest?
- UKAS-accredited pressure capabilities within defined ranges
- Pneumatic, hydraulic and absolute pressure services
- Calibration for gauges, meters, manometers and pressure calibrators
- Experienced calibration technicians
- Nationwide UK collection and return service
- Calibration certificates and records supplied
Our team can confirm whether your instrument and required pressure range fall within the relevant accredited or traceable calibration capability.
❓ Frequently Asked Questions (FAQ)
Q1: What pressure instruments can Acutest calibrate?
A. Acutest calibrates supported digital manometers, pressure calibrators, handheld pressure meters and analogue or digital pressure gauges across a range of pneumatic and hydraulic pressures.
Q2: Does Acutest provide UKAS Pressure Calibration?
A. Yes. UKAS-accredited calibration is available for instruments and pressure points that fall within Acutest's accredited scope. Services outside that scope may be available as traceable calibration.
Q3: Can Acutest calibrate both pneumatic and hydraulic pressure instruments?
A. Yes. The UKAS schedule includes defined pneumatic and hydraulic gauge-pressure ranges. The correct medium and method depend on the instrument and required pressure range.
Q4: Can you calibrate pressure instruments above 700 bar?
A. Acutest provides a Pressure Gauge (700 bar & above) Calibration service. The available range and method must be confirmed against the instrument and current laboratory capability before calibration.
Q5: Can you calibrate pressure devices with an electrical output?
A. Calibration of compatible pressure devices with an electrical output can be undertaken where applicable. The instrument details and required output checks should be confirmed in advance.
Q6: How often should pressure instruments be calibrated?
A. The interval should be based on instrument use, operating conditions, required accuracy, manufacturer guidance and previous calibration results. Many organisations use a 12-month interval.