Air Velocity Transmitter and Wind Speed Sensor with duct and split option – GAOTek

Description Overview Based on heat conduction principle, the sensor probe of GAOTek Air Velocity Transmitter is made of MEMS technology, which has the characteristics of high measurement accuracy, wide measurement range, good stability, and strong environmental adaptability. It is an ideal choice for wind speed measurement in HVAC, pipeline air volume measurement, process and environmental control and other application scenarios.    Features Adopting imported high-precision MEMS sensor, long-term stability and anti-interference capability.  Power supply and output has overload and reversed-connection function.  Isolated output Optional.  Strong anti-pollution ability, easy to install and maintain.    Technical Specifications  Parameter  Specification  Working voltage  24V AC/DC ±20%  Range  0–10 m/s, 0–15 m/s, 0–20 m/s, 0–30 m/s (optional)  Accuracy  ±(0.2 m/s 3% of mv) (at 20℃, 45% RH, 1013 hPa)  Resolution  0.01 m/s  Output mode  RS485/Modbus, 0–10 VDC / 4–20 mA (3-wire) optional  Output load  ≤500 Ω (Current mode), ≥2 KΩ (Voltage type)  Working temperature  –10 to 60℃  Storage temperature  –20 to 80℃  Probe length  210 mm (optional)  Display  Optional LCD with unit display and backlight  Protection  IP65 (main unit), IP20 (probe)  Sheathing material  PC, PA6 (probe)  Electromagnetic Compatibility  EN 61326-1  Certification  RoHS, EU Electrical Safety Standards CE    Selection Instructions Model Base  Gaotek-HWA-221    Range  0-10,15,20,30 m/s     Output  0~10VDC/ 4 ~ 20mA  VI  RS485 /Modbus  RS  Installation Method  Duct Type Air Velocity Transmitter  1  Split type wind speed transmitter  2  Display  with display  D  without display  N     Example: For range 10 m/s, Duct-type, Output: RS485 /Modbus, with display.  Gaotek-HWA-221-10-RS1D