Campbell SP-LITE Manuel d'utilisateur télécharger pdf (Page 10)

SP-LITE Silicon Pyranometer

2. Sensor Specifications

Electrical

Nominal Impedance: <50 Ω

Response Time: <1 second

Sensitivity: (see Certificate of Calibration

that was shipped with sensor)

Expected signal range: 0 – 125 mV

(under atmospheric conditions)

Stability: <±2% per year

Non-linearity: <±1% up to 1000 W m

-2

Temperature dependence

of sensitivity: <±0.15% /°C

Spectral

Spectral range: 400 to 1100 nm

Detector type: BPW 34

Directional

Cosine corrected between

80° angle of incidence, error: within ±10%

Cosine errors averaged over opposite

azimuth error (at 60° angle of incidence): within ±10%

Tilt response: zero error

Mechanical

Housing material: Anodized aluminum

Cable material: Polyurethane

Weight: 110 g

Cable length: 5 m (can be extended up to 100 m)

Physical Dimensions: See Figure 5

Environmental

Working temperature: -30 to +70°C

Dimensions

∅

FIGURE 5. Dimensions of SP-LITE with Leveling Device

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 22 23

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Campbell SP-LITE Manuel d'utilisateur Page 10