FWC Calibration delivers NATA-traceable pressure and flow calibration for process plants, utilities, manufacturing, and laboratories across NSW, ACT, VIC, and the Northern Territory. We calibrate the full range — from low-pressure pneumatic systems to high-pressure hydraulic gauges, plus flow meters and vacuum instrumentation — with traceable certificates that support your ISO/IEC 17025 and ISO 9001 compliance obligations.
Pressure and flow instruments we calibrate
- Pressure gauges (Bourdon tube, diaphragm, capsule)
- Differential pressure gauges and transmitters
- Pressure transducers and pressure transmitters
- Vacuum gauges (mechanical and electronic)
- Manometers and digital pressure indicators
- Pressure switches and pressure controllers
- Dead-weight testers
- Flow meters (turbine, electromagnetic, ultrasonic, vortex)
- Mass flow controllers and mass flow meters
- Rotameters / variable area flow meters
- Pitot tubes and airflow meters
- Anemometers and hot-wire velocity meters
Pressure ranges we cover
- Vacuum: down to absolute vacuum
- Low pressure: 0 to 100 kPa
- Medium pressure: up to 10 MPa
- High pressure: up to 70 MPa
Calibration methodology
- Visual and functional inspection
- As-found measurement at minimum 5 points across the operating range (10 for critical), with rising and falling tests for hysteresis
- Adjustment where the instrument design supports it
- As-left measurement and uncertainty calculation
- NATA-traceable certificate
On-site mobile pressure calibration
Many pressure instruments are permanently installed in process lines, vessels, or compressed air systems. Our mobile units carry NATA-traceable pressure reference standards, hand and hydraulic pumps, vacuum sources, and documentation systems for on-site certificate issue. Critical for instruments tied to safety systems, plant operating permits, or production-critical control loops.
Turnaround and scheduling
- Standard lab turnaround: 3-5 business days from receipt
- Express turnaround: 24-48 hours when scheduled in advance
- On-site visits: within 5 business days for NSW and ACT, 7-10 for VIC and NT
- Emergency callouts: available for critical-path equipment — call 0409 663 566
Industries we serve
- Process manufacturing — chemical, plastics, food and beverage, brewing
- Oil, gas, and utilities — water authorities, gas distribution, refining
- HVAC and refrigeration — building services, commercial refrigeration
- Pharmaceutical and biotech — cleanroom pressure cascades, sterile fill systems
- Aerospace and defence — pneumatic and hydraulic test systems
- Laboratory — research equipment, fume hood verification
What you receive
- NATA-traceable certificate (PDF)
- As-found and as-left readings, hysteresis data where applicable
- Measurement uncertainty per ISO/IEC 17025
- Recommended recalibration interval
- Asset tag and certificate reference number
Get a quote for pressure & flow calibration
Tell us instrument type, range, quantity, and location. Quote and scheduling plan within one business day. Submit a request or call 0409 663 566.
Pressure & flow calibration FAQ
How often should pressure gauges be calibrated?
Annual is standard. Safety-critical and compliance-driven instruments (e.g., pressure relief settings, custody-transfer flow meters) typically every 6 months.
Can you calibrate a flow meter without removing it from the pipeline?
For some flow meter types (clamp-on ultrasonics, certain insertion meters) we can verify in situ. Most positive-displacement and turbine meters require removal for true accuracy.
Do you handle high-pressure hydraulic gauges?
Yes, up to 70 MPa. Higher ranges available through partner labs with our NATA traceability.
Is custody-transfer flow meter calibration available?
Yes — we can perform proving runs and issue calibration certificates that satisfy custody-transfer requirements where applicable.
Related calibration services
Where we calibrate
We provide this service on-site and in-lab across NSW, ACT, VIC and NT — including Sydney, Western Sydney, Melbourne and Canberra. See all calibration services or locations we cover.
Helpful reading
Learn how often you should calibrate your equipment, and understand NATA-traceable vs NATA-accredited calibration. Questions? Read our calibration FAQs or request a quote.
Read more: Precision pressure and vacuum gauge calibration explained, and flow meter verification vs calibration.
Further reading: our calibration guides and resources cover NATA traceability, calibration intervals, certificates and validation in plain English.