Davis Instruments 6450 Solar Radiation Sensor

Available for backorder
  • Weight
    0.25 kg
  • SKU
    ANM-003

Silicon photodiode with wide spectral response for measuring solar irradiance. Suits our Davis weather stations and UV-Solar-Wind Modbus gateway.

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The Solar Radiation Sensor, or solar pyranometer, measures global radiation, the sum at the point of measurement of both the direct and diffuse components of solar irradiance. The sensor’s transducer, which converts incident radiation to electrical current, is a silicon photodiode with wide spectral response. From the sensor’s output voltage, a Davis weather station calculates and displays solar irradiance. It also integrates the irradiance values and displays total incident energy over a set period of time.

The sensors can be added to one of our Davis weather stations (though the "Plus" models already include this sensor) or used with our UV-Solar-Wind to Modbus gateway.

The outer shell shields the sensor body from thermal radiation and provides an airflow path for convection cooling of the body, minimizing heating of the sensor interior. It includes a cutoff ring for cosine response, a level indicator, and fins to aid in aligning the sensor with the sun’s rays. The space between the shield and the body also provides a run-off path for water, greatly reducing the possibility of rain- or irrigation-water entrapment. The diffuser is welded to the body for a weather-tight seal; it provides an excellent cosine response. 

The transducer is an hermetically-sealed silicon photodiode; the included amplifier converts the transducer current into 0 to 2.5VDC. Spring-loaded mounting screws, in conjunction with the level indicator, enable rapid and accurate levelling of the sensor. Each sensor is calibrated against a secondary standard which is calibrated periodically against an Eppley Precision Spectral Pyranometer in natural daylight.

  • Sensor Output Range: 0 to 1800 W/m2
  • I/O Specifications:
    • Supply Voltage (Yellow Wire): 3VDC±10%, 1mA (typical)
    • Output Voltage (Green Wire): 0 to 3VDC, 1.67mV per W/m2
  • Operating Temperature: -40 to +65°C 
  • Attached Cable Length: 0.9m (3')
  • Connector Type: Modular RJ-11
  • Dimensions: 51L x 70W x 57H (mm)

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

Full Terms and Conditions

By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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