Duct Hot Wire Anemometer Transmitter – GAOTek
Precise air velocity transmitter with RS485/Modbus output, wide measuring range, optional LCD display, ideal for HVAC, duct airflow, and process control.
Description
Description
Overview
Based on the principle of heat conduction, the sensor probe of the Air Velocity Transmitter GAOTek-HWA-213 is developed using MEMS technology. It offers high measurement accuracy, a wide measurement range, excellent stability, and strong adaptability to different environments. This makes it an ideal solution for wind speed measurement in HVAC systems, duct air volume monitoring, process control, environmental regulation, and similar applications.Â
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Technical Specifications
| Working Voltage | 24V AC/DC±20% |
| Range | 0-10m/s, 0-15m/s, 0-20m/s, 0-30m/s |
| Accuracy | ± (0.2m/s+3% of mv) (20℃, 45%RH and 1013hPa) |
| Resolution | 0.01m/s |
| Output Mode | RS485/Modbus, 0~10VDC / 420mA (3-wire) |
| Output Load | ≤500Ω (Current output), ≥2kΩ (Voltage output) |
| Working Temperature | -10~60℃ |
| Storage Temperature | -20~80℃ |
| Probe Length | 210mm (optional) |
| Display | Optional LCD display with unit display and backlight |
| Protection Level | Shell IP65, Probe IP20 |
| Housing Material | Shell PC, Probe Pa6 |
| Electromagnetic Compatibility | EN 61326-1 |
| Certification | RoHS, EU Electrical Safety Standards CE |