Chapter 7 _____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 181
Table 53 QMS102 Global Solar Radiation Sensor
Specifications
Property Description/Value
Maximum irradiance 2000 W/m
2
Spectral range 305 ... 2800 nm (50% points)
Sensitivity
10 ... 35 µV/W/m
2
Impedance
79 ... 200 Ω
Response time 18 seconds (95 %)
Non-linearity
± 2.5 % (< 1000 W/m
2
)
Temperature dependence
of sensitivity
6 % (-10 ... +40 °C)
Operating temperature
-40 ... +80 °C
Zero-offset due to
temperature changes
< 4 W/m
2
@ 5 K/h temp. change
Tilt response
< ± 2 %
Signal output (atmospheric
condition)
0 ... 50 mV
Field of view
180°
ISO class Second class
Cable length 10 m
Table 54 QMN101 Net Solar Radiation Sensor Specifications
Property Description/Value
Spectral response
0 ... 100 µm
Detector protection Teflon coated (no domes)
Sensitivity (upper detector)
10 µV/W/m
2
(nominal)
Recommended output
range
-25 ... +25 mV
Sensor asymmetry 20 %
Range -2000 ... +2000 W/m
2
Response time (1/e) 20 s (nominal)
Operating temperature
- 30 ... + 70 °C
Directional error
< 30 W/m
2
(0 ... 60° @ 1000 W/m
2
)
Stability
< ± 2 % per year
Non-linearity < 1 % up to 2000 W/m
2