Calibrating water flow-rate transducers
A compact integrated system composed by:
• a pump to generate the water flow rate in the closed-loop circuits;
• a reference magnetic water flow meter to display the water flow rate value;
• a manual gate valve to manually adjust the water flow rate.
Electric supply installation and requirements
calWFR requires a 230Vac 50Hz electric supply, with a maximum current absorption of 13A. It is supplied with a “CEI 2P+T – 16A” industrial plug.
calWFR250 requires a 3~400Vac 50Hz electric supply, with a maximum current absorption of 12A. It is supplied with a “CEI 3P+N+T – 16A” industrial plug.
Description of the systems
calWFR water flowrate calibrator has been designed to check and calibrate the water flow meters, under these conditions:
calWFR250 water flowrate calibrator has been designed to check and calibrate the water flow meters, under these conditions:
Measurement accuracy
The accuracy of the calWFR is:
Note: v is the velocity in m/s.
Note: v is the velocity in m/s.
calWFR: for water flow rates up to 55 l/m
calWFR250: for water flow rates up to 250 l/m
calWFR: for water flow rates up to 55 l/m
calWFR250: for water flow rates up to 250 l/m
Electric supply installation and requirements
calWFR requires a 230Vac 50Hz electric supply, with a maximum current absorption of 13A. It is supplied with a “CEI 2P+T – 16A” industrial plug.
calWFR250 requires a 3~400Vac 50Hz electric supply, with a maximum current absorption of 12A. It is supplied with a “CEI 3P+N+T – 16A” industrial plug.
Description of the systems
calWFR water flowrate calibrator has been designed to check and calibrate the water flow meters, under these conditions:
calWFR250 water flowrate calibrator has been designed to check and calibrate the water flow meters, under these conditions:
Measurement accuracy
The accuracy of the calWFR is:
Note: v is the velocity in m/s.
Note: v is the velocity in m/s.
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