Campbell-scientific PWS100 Present Weather Sensor Manual de usuario descargar pdf (Pagina 20)

Section 5. Specifications

5.3 Optical Specifications

5.3.1 Laser Head Specifications

Laser Source: Near-infrared (IR) diode, eye safe Class 1M

unit output

Peak Wavelength: 830 nm

Modulation Frequency: 96 kHz

Laser Head Lens Diameter: 50 mm (1.97 in)

5.3.2 Sensor Head Specifications

Receivers: Photodiode with band pass filters

Spectral Response: Maximum spectral sensitivity at 850 nm, 0.62

A/W (0.6 A/W at 830 nm)

Sensor Head Lens Diameter: 50 mm (1.97 in)

Lens Check Light Source: Near-IR LED

5.4 Environmental Specifications

Standard Operating

Temperature Range: -25° to +50°C

Optional Extended Operating

Temperature Range: -40° to +70°C

Relative Humidity Range: 0 to 100%

IP Rating: IP 66 (NEMA 4X)

5.5 CS215-PWS Specifications

Please refer to the CS215 manual or product brochure for the specifications.

5.6 Measurement Capabilities and Limitations

5.6.1 Visibility Measurements

Visibility Range: 0 to 20,000 m (0 to 65,620 ft)

Visibility Accuracy: ± 10% (0 to 10,000 m)

Measurement Interval: User selectable from 10 seconds to 2 hours

5-2

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Campbell-scientific PWS100 Present Weather Sensor Manual de usuario Pagina 20