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Why use an ISO/EN 17025 Accredited Calibration Facility?
Littlebrook Calibration Services
Tinsley Precision Intruments
Air Flow Velocity Calibrations
Air Flow Velocity Calibrations
Pressure Calibrations
Temperature & Humidity Calibrations
Electrical
Power & Energy Calibrations
Low Pressure Calibrator LPD1000
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Littlebrook Calibration Services is one of the highest accuracy ISO17025 accredited
Air Velocity Calibration Laboratories in Europe.

Air Velocity
Air Velocity measurement against a Laser Doppler anemometer,
Calibration of Wind tunnels, fans and similar devices:
0.05 m/s to 75 m/s:
± 0.35 % + 0.0065 m/s

Calibration of Anemometers and Pitot Tubes
Against a Laser Doppler Anemometer:
0.05 m/s to 50 m/s: ± 0.6 % + 0.015 m/s

Calibration of Anemometers and Pitot Tubes
Against Differential pressure Systems:
0.2 m/s to 8 m/s:
8 m/s to 30 m/s: 		± 0.9 % + 0.04 m/s
± 0.8 % + 0.08 m/s
Air Flow

Volume flow and calibration of fans:
1000 l/min to 40000 l/min:
0.5 m3/min to 600 m3/s: 		± 3 %
± 3 %

Littlebrook Calibration have Accredited procedures in place for the calibration of Wind tunnels and Fans systems used in the Testing the Thermal Performance of Buildings tests (CIBSE TM23 air leakage, thermal efficiencies) to better meet British and European Standards BS EN 13829:2001 requirements. Thermal performance of building forms part of the Europe’s short and long term emissions reduction strategy.