FIELD: measuring of the volume flow or mass flow of fluid.
SUBSTANCE: device has housing, impeller, and counting device with a sealed-contact reed relay interacting with the magnet of the impeller and connected with the computing device made of an integrated circuit comprising multi-channel integrator. Each channel of the integrator is connected with the corresponding mesomorphic indicator. By the command from the thermal relay comprising the liquid temperature sensor, the current value of the flow rate is integrated over time in one of the autonomous channels of the integrator. The results obtained are indicated on the corresponding mesomorphic indicator.
EFFECT: reduced cost.
3 cl, 3 dwg
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| 0 |
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SU483589A1 |
