Facilities

Water Flow Calibration Facility

The water flow calibration facilities cover the wide range between 2 L/h and 12,000 m3/h with uncertainties between 0.039 % and 0.081 %.

　Hi-Reff (High Reynolds number actual flow facility)

Flow Rate 750 ～ 12,000 m3/h
Uncertainty 0.08 ％（k＝2）
Calibration Method Master Meter Method
Temperature ～ 70 ℃

　

　Medium and Large

Flow Rate 0.3 ～ 3,000 m3/h
Uncertainty 0.042 ～ 0.060 ％（k＝2）
Calibration Method Static and Gravimetric Method with Flying Start and Stop Method

　


　

　Small

Flow Rate 0.002 ～ 1.2 m3/h
Uncertainty
 0.04 ％（k＝2）
Calibration Method Static and Gravimetric Method with Flying Start and Stop Method

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Oil Flow Calibration Facility

The oil flow calibration facilities for kerosene, light oil and spindle oil cover the range between 0.02 L/h and 300 m3/h with uncertainties between 0.020 % and 0.078 %.

　

　Large

Flow Rate 3 ～ 300 m3/h
Uncertainty 0.020 ％（k＝2）：for mass flow
0.030 ％（k＝2）：for volumetric flow
Working Liquid Kerosene, Light Oil
Calibration Method Static and Gravimetric Method with Flying Start and Stop Method
Temperature 15 ~ 35 °C, Fluctuations for 10 min. : 0.05 °C or less
Pressure 200 ～ 600 kPa
Test Line Pipe Diameter : 50 ~ 150 mm, Straight Pipe Length : 100 D or More
Main Equipment Weighing Scale (10 t, 1 t)
Diverter (10 t, 1t)
Density Meters
Check meter Servo PD Meters(SFL)

　


　Medium

 

Flow Rate 0.1 ～ 15m3/h
Uncertainty 0.020 ％（k＝2）：for mass flow
0.030 ％（k＝2）：for volumetric flow
Working Liquid Kerosene, Light Oil, Spindle Oil (Exchange), Industrial gasoline
Calibration Method Static and Gravimetric Method with Flying Start and Stop Method
Temperature 10 ~ 35 °C，Fluctuations for 10min.: 0.05 °C or Less
Pressure 200 ～ 700 kPa
Test Line Pipe Diameter 4 mm ~ 40 mm，Straight Pipe Length 80 D or More

 

Main Equipment Weighing Scale； 32 kg x 1
Rotary Double Wing Diverter
Density Meters
Check meter PD Meters容積流量計

　Small

Flow Rate 20 mL/h ～ 100 L/h
Uncertainty 0.020 ～ 0.050 ％（k＝2）：for mass flow
0.064 ～ 0.078 ％（k＝2）：for volumetric flow
Working Liquid Kerosene, Light Oil, Industrial gasoline
Calibration Method Static and Gravimetric Method with Flying Start and Stop Method
Temperature 15 ~ 35 °C, Fluctuations for 1 hr.: 0.05 °C or Less
Pressure ～400 kPa
Test Line Pipe Diameter 1/4 inch ～ 1/2 inch

 

Main Equipment nt Gravimetric system with diverter 　　
　　- 2 separate systems for different working liquids　　　
　　- calibration flow range 1 L/h ~ 100 L/h
　　- 2 kg weighing scale (2 units)
　　- conical rotating double-wing diverterv

Gravimetric system with switching valves
　　- 1 system for inter-changeable working liquids
　　- calibration flow range 20 mL/h ~ 1 L/h
　　- 100 g weighing scale (1 unit)
　　- high-speed double switching valves