AVT310 – Air Velocity Transmitter

Model : AVT310
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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