Kipp&Zonen CM 4 Pyranometer - Manual (Page 18)

17
2 LIST OF SPECIFICATIONS
Spectral range: 300 to 2800 nm, 50% points
Sensitivity: 7
µV/Wm
-2
(nominal)
Impedance:
500 to 2000
Ω
Response time:
18 s (95% response)
< 8 s (63% response)
Non-linearity:
Max. 3 % (0 - 2500 W/m
2
)
Directional error (at 80°
with a 1000 W/m² beam):
± 20 W/m²
Temperature dependence
of sensitivity:
3 % (-20
°C to +0 °C)
2 % (0
°C to +100 °C)
3 % (+100
°C to +150 °C)
Tilt error:
Max. 1% deviation when facing
downwards
Zero-offset due to
temperature changes:
Max. 4 W/m
2
offset for 5 K/h temp.
change.
Zero-offset due to FIR
(200 W/m
2
): ± 15 W/m
2
Operating temperature:
-40 °C to +150
°C
Field of view:
180° (2
π sr)
Max irradiance:
4000 W/m
2
Non-stability:
± 1% sensitivity change per year
SPECIFICATIONS