背景亮度計 型號: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
