Xi'an Huance Automation Technology Co., Ltd.
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Thermal gas mass flow meters are instruments that measure gas flow using the principle of thermal diffusion. The sensor consists of two reference-level thermal resistors (RTDs). One is the speed sensor RH, and the other is the temperature sensor RMG that measures the temperature change of the gas. When these two RTDs are placed in the measured gas, the sensor RH is heated and the other sensor RMG is used to sense the temperature of the measured gas. As the gas flow rate increases, the airflow takes away more heat and the temperature of the sensor RH decreases.
1.Proprietary flow data model algorithm; fuzzy theory control temperature and humidity algorithm;
2. High-performance intelligent microprocessor and analog-to-digital, digital-to-analog conversion chip;
3.Wide range ratio 1000: 1; large diameter, low flow rate, negligible pressure loss;
4. Direct measurement of mass flow without temperature and pressure compensation;
5. Low flow rate measurement is very sensitive;
6. Convenient design and selection, easy installation and use;
7. Suitable for all kinds of single or mixed gas flow measurement;
| Model | GMF901-B |
| Medium | Gas |
| Accuracy | ±2% |
| Output | Pulse;4-20 mA;HART;RS485 |
| Nominal diameter | DN15~DN300mm |
| Flow range | 0.3m/s~70m/s |
| Power | 1.35~42VDC |
| Medium temperature | -40℃~+250℃ |
| Process connection | Flange |
| Body material | Carbon steel; 304; 316 |
| Protection level | IP67 |
| Explosion-proof grade | ExdⅡCT3/FM/CSA/ATEX |
Xi'an Huance Automation Technology Co., Ltd. is located in Xi'an High-tech Development Zone - Free Trade Zone, China, was established in 2007. The company is a manufacturer integrating scientific research, production, sales and service.
Huance produces various specifications of pressure transmitters, pressure gauges, temperature sensors, flow meters, level gauges, radar level gauges, load cells, torque sensors, etc. I/O signal processing required by the supporting system, upper and lower network communication control and redundant diagnosis and processing hardware.
Huance advocates the enterprise spirit of "integrity, truth-seeking and innovation". In the "cooperation and win-win" business philosophy, we communicate closely with customers to solve the difficulties and challenges facing users. The products are exported to more than 30 countries and have won unanimous praise from customers.