AVT310 – Air Velocity Transmitter
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Description
THERMO AIR VELOCITY TRANSMITTER
Special Features :
- Based on Thermal Measurement Principles
- Sensitive Hot Film Sensor
- Strong Pollution Tolerance
- Low Airflow Angle Dependence
- Wide Temperature Range with Temperature Compensation
- Over Voltage and Reverse Polarity Protection
- Multiple Outputs Available
- Field Jumper Selection for Velocity Ranges
- Fast Response Time
Application :
AVT1 Air Velocity Transmitters Are Used For Various Applications To Detect, Adjust And Control Air Velocity In Ventilation Measurement And Control Systems To Satisfy The Relevant Ventilation Requirements And Effectively Reduce The Energy Consumption.
Additional information
| Input | — |
|---|---|
| Input Type of Air Velocity | : Thermal mass flow sensor |
| Air velocity measuring range | : 20 m/s |
| Air velocity min. measuring range | : 0.2 m/s |
| output | 4 – 20 mA / 0 – 10 VDC |
| Signal connection | : 3-wire |
| Load resistance | : Current output : ≦ 500Ω；voltage output : ≧ 10KΩ |
| Response time | : Reach 90% of ultimate value within 3 sec. |
| Angular dependence | : < 3% measuring value ( when the angle < 10° ) |
| Accuracy ( +25OC ) | — |
| Air velocity | : + 5 % F.S. ( nonlinear error, hysteresis error, repeatability error ) |
| Thermal sensitivity temp. error | : 0.2 % / ℃ |
| Environment | — |
| Measured Media & Temperature | : Air ； 0 … 50 ℃ |
| Working temperature | : 0 – 50 ℃ |
| Environment Humidity | : 95 % RH ( non-cond.) |
| Storage Temperature | : -20 to + 60℃ |
| Electrical | — |
| power supply | : 8 – 35VDC & 12 – 30VAC |
| Current consumption | : DC 8V：300mA，24V：100mA AC 12V：350mA，24V：180mA |
| Overvoltage protection | : DC：< 45V；AC：< 40V |
| Electrical connection | : Terminal |
| Installation；Protection | — |
| Installation；Way to Fix | : duct；flange |
| Protect degree | : IP 54 |
| Electric protection | : ◎ polarity protection ◎ over-voltage ◎ short circuit |
| Fix | : 1/2 PT outside thread |
| Material | — |
| Housing / Probe | : PC fire-proof ( UL94V-2 ) / PC fire-proof |
| Certification | — |
| CE certification | : Emission EN 61326-1 : 2006 Class B EN 55011 : 2009 / A1 : 2010 Group 1 Class B Immunity EN 61326-1 : 2006 EN 61000-4-2:2009 EN61000-4-3:2006/A2:2010 EN 61000-4-8:2010 |
| Measuring Head / Cable | : PC with glass fiber |
| Weight | : 147g |
