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Solar Insolation (Light Intensity)

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Solar Insolation Sensor
Solar insolation sensor, interface, and mounting hardware.

Introduction

This is an affordable, high quality, solar insolation sensor. The sensor is a Davis Weather 6450 solar radiation sensor with permanently attached interface electronics. The calibrated solar radiation sensor can measure 50 w/m^2 to 1800 w/m^2. The sensor comes standard with a 3 meter (10 foot) CAT5e cable integrated. Longer CAT5e or unterminated shielded cable is available as a special order.

Photos of the sensor in action can be found in the photo gallery.

Specifications

Light Intensity
Range: 50 w/m^2 to 1800 w/m^2
Accuracy: ± 5% of full scale
Stability: ± 2% per year
Transfer Function: watts / m^2 = 598.802 * Vout
Input voltage: 5.0 to 30 volts
Weight
Weight: ~175 grams (6.2 ounces) including 3 m (10 ft) CAT5e cable
Solar Insolation Sensor, integrated 3 meter (10 foot) cable

Click on photo to enlarge
US Price: $175.00 USD
Please call us at +1-507-454-2727 to place an order.

Sensor and interface, mounting hardware hardware, and integrated 3 meter (10 foot) CAT5e cable.

Part Number: APRS6567
Shipping Weight: 0.50 pounds
RoHS: compliant

One of our customers leveling the solar insolation sensor.

Wind Data Logger Configuration

The solar radiation sensor is plugged into the "TEMP&ADC" connector on the Wind Data Logger using a straight through cable / patch cord. If you wish to use the included temperature sensor you should use an 8Y splitter.

To display actual sensor readings on the Wind Data Logger you will need to configure the ADC channels. The following equations are used to convert the voltage output from the sensors to standard units:

Light Intensity:

watts / meter^2=598.802*Vin (ADC M: 598.802 / ADC B: +0.0 / ADC Units: W)

The values in parenthesis should be entered into the ADC setup screens on the Wind Data Logger.

Example Data

The following data was capture on 2006-11-09 near Winona, Minnesota, USA.

Solar Insolation

Example solar insolation plot

Raw Data

The raw data used to generate these plots is available as example_wiscoy.csv. Note that this data has been exported from our SQL database and is in a slightly different format than what is stored by the Wind Data Logger.

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