于樓宇自動(dòng)化系統(tǒng)的AVU系列風(fēng)速變送器能廣泛地用于暖通空調(diào)系統(tǒng)進(jìn)行風(fēng)速測(cè)量和控制，特別是用于建筑物能量管理系統(tǒng)。AVU的精度為5%，價(jià)格低，有六種量程范圍供選擇，可輸出4-20MA或0-10VDC。
AVU的工作原理是用兩個(gè)溫度傳感元件測(cè)量被風(fēng)帶走的熱量，然后計(jì)算出風(fēng)速。采用了特別設(shè)計(jì)，能夠精確測(cè)量，不會(huì)產(chǎn)生漂移。
應(yīng)用：
1 進(jìn)風(fēng)和排風(fēng)監(jiān)測(cè)
2 潔凈室系統(tǒng)
3 醫(yī)護(hù)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.
