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The spiral vortex flowmeter is a new type of gas flow meter developed by our company with leading domestic level. This series of instruments integrates flow, temperature and pressure detection functions, and can automatically compensate for temperature, pressure and compression factors. It is an ideal instrument for gas measurement in coal, petroleum, chemical, electric power, metallurgy and urban gas supply industries.Performance parameter
1. Accuracy: 1.5
2. Measuring medium: all kinds of gases filled with the pipeline to be tested, except for steam, such as: air, natural gas, gas, etc.
3. Measuring pipe diameter: DN25mm~DN300mm
4. Pipeline pressure: (1.6, 2.5, 4.0, 6.3) MPa
5. Protection level: IP65
6. Sensor form: flanged
7. Sensor material: cast aluminum (≤1.6MPa); stainless steel (≤6.3MPa)
8. Working environment: ambient temperature: -10 °C ~ +50 °C, humidity <85% (RH); medium temperature: -20 °C ~ +80 °C
9. Current output: 0~20mA, 0~24mA, 4~20mA (user can set it by itself) tran筛分机ission distance ≤500m;
10. Frequency output: pulse equivalent mode (pulse equivalent value can be set by the user), frequency mode (zero flow and full-scale frequency can be set by the user), cumulative pulse mode (the number of accumulated flow pulses per unit can be set by itself) Active (amplitude 5V) or OC output, tran筛分机ission distance ≤ 1200m;
11. Digital communication: RS485 interface, Modbus protocol or custom protocol, the communication speed is adjustable, and the tran筛分机ission distance is ≤1200m.
12. Working power supply: 220V AC or 24V DC