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Thermal Mass Flow
Thermal Mass Flow Meter is accurate, easy to install, having no moving parts and best suitable solution for measuring and controlling compressed Air, oxygen, nitrogen, biogas, digester gases, ethane and natural gas flow. Heat dispersion (mass flow) technology to provide proportional mass flow measurement resulting in higher accuracy performance at a lower cost than orifice flow meter, Vortex shedding flow meter and other gas flow measuring devices.
The thermal principle operates by observing the cooling effect of a gas flow as it passes over a heated transducer. The temperature sensor monitors the actual gas temperature whilst the heater transducer is maintained a constant differential temperature by caring the required current from electronic to maintain the differential temperature. Greater the flow, greater will be cooling effect and power required to maintain the differential temperature. The energy required maintaining this temperature differential is directly proportional to the mass flow rate. Thus, there is no need for additional temperature or pressure compensation in thermal mass flow meter. This meter is also used for compressed air flow measurement.
Good level of accuracy at an economical price
Wide flow rangeability including low flow rates
Simple, durable construction
Easy to install and maintain
Flexible connection to flow instruments for flow control
Wide variety of process connections
Turn down ratio 100:1
Low pressure drop across the flow meter
Provides a convenient signal output
Accuracy +/- 1.5 % FSD
Micro controller based design
12 X 2 LCD display
Instant Flow Rate Indicator
Totalizer for commutative flow indication
Zero reset feature with password protection system
4-20mA Transmitter/alarm Output – Configurable
Power Supply 24 vdc
Flame Proof Enclosure CMRI certified
Inline mode from DN 15 up to DN 200
Insertion mode from DN 50 up to DN 2000