Kippzonen BSRN Scientific Solar Monitoring System Instrukcja Użytkownika Pobierz pdf (Strona 114)

102

Linearity ±5% from 0 to 1400 W m

-2

Response time 1 second (1/e signal)

Mechanical vibration tested up to 20 g’s without damage

Calibration reference Eppley primary standard group of pyrheliometers

Size 11 inches long

Weight 5 pounds

B 3.4 Kipp and Zonen Delft BV CH1

The pyrheliometer CH1 is designed to m easure direct solar irradiance at norm al incidence. Its m ain

characteristics are:

Built in accordance with ISO 9060 specifications for first class pyrheliometer

Slope and opening angle according to WMO recommendations

Equipped with an easily serviceable drying cartridge

Suitable for continuous outdoor use

According to clients’ specifications: (optional) internal filter, sensor temperature measurement,

extended cable and connector

Specifications

Response time 95% 7 s

99% 10 s

Zero offset: Caused by 5 K/H

change in ambient temperature ± 3 W m

-2

Non-stability < ± 1 % per year

Non-linearity ± 0.2 % (< 1000 W/m)

Spectral selectivity within

0.35 to 1.5 :m. ± 0.5 %

Temperature response (%) ± 1 %, -20 to +50

deviation due to ambient

temperature(relative to 20 °C) ± 1.5 %, -40 to +70

Tilt response None

Traceability To WRR

Sensitivity 7-15 :V W m

-1 2

Spectral range 0.2 to 4 :m, 50 % points

Impedance 50-70 S.

Irradiance 0-4000 W m

-2

Operating temperature -30 to +60 °C

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Kippzonen BSRN Scientific Solar Monitoring System Instrukcja Użytkownika Strona 114