ST81 Air velocity transmitter
Utilizes a MEMS-based sensor probe operating on the heat conduction principle, offering high measurement accuracy, a wide measurement range, excellent stability, and robust environmental adaptability. Ideal for a variety of wind speed and air volume measurement applications.
Key Specifications:
• Core Function: High-accuracy air velocity measurement
• Sensor Technology: MEMS technology for high precision and wide range
• Measurement Range: 0-10m/s, 0-15m/s, 0-20m/s, 0-30m/s (customizable)
• Resolution: 0.01m/s
• Accuracy: ±(0.2m/s + 3% of mv) under standard conditions (20℃, 45%RH, 1013hPa)
• Output Signal: 0-10VDC/4-20mA, with RS485/Modbus communication option
• Operating Temperature: Storage: -20°C to 80°C [-4°F to 176°F]; Working: -10°C to 60°C 14°F to 140°F]
• IP Grade: Shell IP65, Probe IP20
• Probe Length: 210mm (customizable)
• Display: Optional LCD display with backlight and unit indication
Typical Applications:
✔ HVAC systems for precise air velocity control
✔ Duct air volume measurement in ventilation systems
✔ Environmental control and process monitoring in industrial settings
✔ Wind speed measurement in pipeline and other applications requiring high accuracy
Catalogue：
This product is suitable for wind speed measurement in applications such as HVAC, duct airflow measurement, process and environmental control.
Related Products
Additional information
| Accuracy | ± (0.2m/s+3% of mv) (20℃ (68℉), 45%RH and 1013hPa) |
|---|---|
| Range | 0…10 m/s, 0…15 m/s, 0…20 m/s, 0…30 m/s |
| Resolution | 0.01 m/s |
| Preheat time | 2 min (Available)-10 min (Reach the maximum accuracy) |
| Working voltage | 24V AC / DC ± 20% |
| Temperature (Working) | -10…+60°C [+14…+140°F] |
| Temperature (Storage) | -20…+80°C [-4…+176°F] |
| IP grade | Shell IP65, Probe IP20 |
Utilizes a MEMS-based sensor probe operating on the heat conduction principle, offering high measurement accuracy, a wide measurement range, excellent stability, and robust environmental adaptability. Ideal for a variety of wind speed and air volume measurement applications.
Key Specifications:
• Core Function: High-accuracy air velocity measurement
• Sensor Technology: MEMS technology for high precision and wide range
• Measurement Range: 0-10m/s, 0-15m/s, 0-20m/s, 0-30m/s (customizable)
• Resolution: 0.01m/s
• Accuracy: ±(0.2m/s + 3% of mv) under standard conditions (20℃, 45%RH, 1013hPa)
• Output Signal: 0-10VDC/4-20mA, with RS485/Modbus communication option
• Operating Temperature: Storage: -20°C to 80°C [-4°F to 176°F]; Working: -10°C to 60°C 14°F to 140°F]
• IP Grade: Shell IP65, Probe IP20
• Probe Length: 210mm (customizable)
• Display: Optional LCD display with backlight and unit indication
Typical Applications:
✔ HVAC systems for precise air velocity control
✔ Duct air volume measurement in ventilation systems
✔ Environmental control and process monitoring in industrial settings
✔ Wind speed measurement in pipeline and other applications requiring high accuracy
Catalogue：
This product is suitable for wind speed measurement in applications such as HVAC, duct airflow measurement, process and environmental control.
This product is suitable for wind speed measurement in applications such as HVAC, duct airflow measurement, process and environmental control.
