1. Product Overview
YGM304 high temperature air flow transmitter is specially designed for air volume measurement in the high temperature field. It uses a high temperature stainless steel probe rod, which can measure the air volume under a high temperature environment of up to 250 ℃. The shell is made of engineering plastics and aluminum alloy, which can be used to measure high-temperature air flow under different working conditions.
2. Main technical indicators
Measuring range: selected according to the on-site air volume
Accuracy: ± 6% FS, ± 4% FS (at 20 ℃, 1013hPa) when the gas flow rate is stable
Signal output: current output type: 4 ～ 20mA (three wire system), electrical load ≤ 500 Ω
Voltage output type: 0 ～ 10V (three wire system), electrical load ≥ 10k Ω
485 output type: standard ModBus RTU
Response time: T90 ≤ 3s
Power supply: 20~28VDC
Electrical connection: M16 × 1.5, cable diameter: 4-8mm
Length of probe rod: 100mm~500mm, customizable
Enclosure protection grade: IP65 (when selecting display module, the protection grade is IP54)
Working pressure: less than 1 Bar
Working temperature: transmitter: - 40~+50 ℃
Probe rod: - 40 ～+80 ℃, - 40 ～+120 ℃, - 40 ～+160 ℃, - 40 ～+200 ℃, - 40 ～+250 ℃ (optional)
Storage environment: temperature: - 20~60 ℃, humidity: 0~85% RH
3. Circuit connection

4. Installation dimension drawing

5. Model Selection Table