【F08】Low Pressure Gas Flow Calibration System - Large Bell Provers (Partial service is temporarily suspended from 2023/06/26; estimated to be resumed on 2025/02/03)

Sonic nozzle, Thermal mass flowmeter, Differential pressure flowmeter, Laminar flowmeter, Piston-based flowmeter, Variable area flowmeter, Turbine flowmeter, Positive displacement flowmeter

(1) Bell prover [primary standard]：(10 to 1000) L/min
(Service is temporarily suspended from 2023/06/26; estimated to be resumed on 2025/02/03)
(2) Master meter method：(10 to 1000) L/min

(1) 0.07 % to 0.09 %

(2) 0.10 % to 0.13 %