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
µ
V/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
µ
m
Detector protection
Teflon coated (no domes)
Sensitivity (upper detector) 10
µ
V/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
