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Protective Glass Dome and Solar Shield
Compatible with most Campbell Scientific dataloggers
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Technical Description

The CMP3 measures solar radiation with a high-quality blackened thermopile protected by a dome. The blackened thermopile provides a flat spectral response for the full solar spectrum range, which allows the CMP3 to be used under plant canopies or lamps, when the sky is cloudy, and for reflected radiation measurements.

The CMP3 includes a white snap-on sun shield that reduces the sensor's temperature. It also has a bubble level and adjusting leveling screws, which enable the sensor to be leveled without using a leveling base.

The CMP3 produces a millivolt signal that is measured directly by a Campbell Scientific datalogger.

Two CMP3 pyranometers can be mounted back-to-back to make a low cost albedometer. Contact Campbell Scientific for more information.

CMP3-L Specifications

  • Light Spectrum Waveband: 310 to 2800 nm
  • Maximum Irradiance:
    2000 W/m²
  • Sensitivity: 5 to 20 µV/W/m²
  • Operating Temperature: -40° to +80°C
  • Temperature Dependence:
    ±5% (-10° to +40°C)
  • Non-linearity (0 to 1000 W/m²):
    < ±2.5%
  • Tilt Response (±80°):
    < ±2% at 1000 W/m²
  • ISO Classification: Second Class
  • Width: 7.9 cm (3.1 in.)
  • Height: 6.7 cm (2.6 in.)
  • Dome Diameter: 3.2 cm (1.3 in.)
  • Weight with 10 m cable: 600 g (1.2 lb)

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Related Products

Ships With

(1) Bolts for mounting from original mfg

(1) Sun Shield from original mfg

(1) WRR Traceable Calibration Certificate

(4) Nuts for mounting from original mfg