Vaisala Background Luminance Sensor LM21

  • Intelligent, stand-alone sensor
  • Easy to integrate with Vaisala LT31, FS11, MITRAS and FD12 sensors
  • Extensive self-diagnostics
  • Window contamination measurement and compensation
  • Optical path blockage detection
  • High power heaters to prevent snow accumulation
  • Calibration traceable to measurement standards
  • Field calibration device available

 

Performance

Measurement range
Measurement accuracy

2 ... 40 000 cd/m2
10%

Operating environment

Temperature
Humidity

-40...+65 °C
0...100 %RH

Inputs and outputs

Operating voltage
Power consumption
Outputs

10…38 VDC or 8…28 VAC
6W, 50W with defrosting heaters
RS232, RS485, frequency output

Mechanics

Dimensions
Weight

154 (h) x 100 (w) x 142 (l)  mm
1.1 kg

For complete specifications, please see the brochure or user guide in "Product Documentation".

联系我们

维萨拉(北京)气象测量技术有限公司

地址: 北京朝阳区东三环北路霄云路21号大通大厦南楼二层

邮编: 100027

电话:0086-10-64663252      85261199  
传真:   0086-10-85261155

email: chinasales@vaisala.com

 

上海办公室

地址:上海市浦东新区蔡伦路780号619室

邮编:201203

电话:0086-21-51320656

传真:0086-21-51320657

email: chinasales@vaisala.com

 

维萨拉(北京)气象测量技术有限公司深圳分公司

地址:深圳市福田区深南大道中国凤凰大厦1栋17B

邮编:518026

电话:0086 -755 -8279 2442

传真:0086-755 -8279 2404

email: chinasales@vaisala.com

 

其它国家

 


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This page was printed from www.vaisala.com on 九月 7, 2008
URL: http://www.vaisala.com/cn/instruments/products/visibility/lm21