Kippzonen CNR 4 Net Radiometers Instrukcja Użytkownika Pobierz pdf (Strona 24)

Definition

Instrument sensitivity within a specific spectral range

Sensitivity

µV/W/m²

5 to 15

Definition

Calibration factor

Impedance

20 to 200, typically 50

Definition

Typical resistance measured at the output

Response time

< 18 (95% response)

Definition

Sensor response time

Non-linearity

< 1 (from -250 to +250 W/m

irradiance)

Definition

Maximum deviation from the responsivity at -100 W/m

due to

any change of irradiance within the indicated range.

Temperature dependence of

sensitivity

N/S (- 40 °C to -10°C)

< 4 (- 10 °C to +40 °C)

N/S (+40 ºC to +80 ºC)

Definition

Maximum error due to any change of ambient temperature with

the indicated interval.

Tilt error

< 1 deviation when tilted at any angle off horizontal.

Definition

Maximum deviation from the responsivity at angular tilt with

1000 W/m² beam.

Window heating offset

W/m²

< 6 (0 to 1000 W/m² / solar irradiance)

Definition

Caused by heating of the dome due to solar radiation

Field of view:

Upper detector

Lower detector

180º

150º

Definition

Sensor opening angle

Net irradiance range:

W/m

-250 to +250

Definition

Measurement range

Non-stability

< 1

Definition

Maximum change per year, percentage of full scale

Spectral selectivity

< 5 (8 – 14 µm spectral range)

Definition

Deviation of the product of spectral absorption and spectral

transmittance from the corresponding mean within the indicated

spectral range

Environmental

humidity 0 - 100% RH

Definition

Intended for continuous outdoor use

Uncertainty in daily total

< 10 (95 % confidence level) Indoor calibration

Definition

Achievable uncertainty

Temperature sensor

Thermistor and Pt-100

International standards

WMO

ISO

Standards are not available

Instrument calibration

Indoors, side by side against reference CG(R) 3 pyrgeometer

On request outdoors, side by side against reference CG(R) 4

pyrgeometer

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 36 37

Komentarze do niniejszej Instrukcji

Brak uwag

Kippzonen CNR 4 Net Radiometers Instrukcja Użytkownika Strona 24

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Urządzenia pomiarowe Kippzonen CNR 4 Net Radiometers