最适用于楼宇自动化系统的AVU系列风速变送器能广泛地用于暖通空调系统进行风速测量和控制，特别是用于建筑物能量管理系统。AVU的精度为5%，价格低，有六种量程范围供选择，可输出4-20MA或0-10VDC。

AVU的工作原理是用两个温度传感元件测量被风带走的热量，然后计算出风速
。采用了特别设计
，能够精确测量
，不会产生漂移。

应用
：

1 进风和排风监测

2 洁净室系统

3 医护室

Service: Clean Air And Compatible, Non-Combustible Gases.

Accuracy: ±5% Of Full Scale.

Response Time (90%): 5 Sec (Typical).

Temperature Limits: 32 To 122°F (0 To 50°C).

Humidity Limit: 0-90% RH, Non-Condensing.

Power Requirements: -A Models 24 VDC +10% - 15%; -V Models 24 VDC Or 24 VAC +10% - 15%.

Output Signal: -A Models 4-20 MA Current Loop; -V Models 0-10 VDC.

Loop Resistance: (-A Models ) 700 Ohms.

Current Consumption: 60 MA + Output Current.

Maximum Start Up Current: 85 MA; 10 V.

Output Current Limit: (-V Models) >10 MA.

Electrical Connections: Screw Terminal. Cable Gland For 4-8 Mm Wire (16 Gauge Wire).

Enclosure Rating: NEMA 6 (IP67) Except Sensing Point.

Probe Dimensions: 9.45 X .75" (240 X 19 Mm).

Mounting Orientation: Unit Not Position Sensitive. Probe Must Be Aligned With Air Flow.

Weight: 8.8 Oz (250 G).

Agency Approvals: CE.

ACCESSORIES:

NISTCAL-AV1 - NIST Traceable Calibration Certificate For Air Velocity Thermal Anemometer Meters.