• Part Number: 6450
• Measures solar radiation for evapotranspiration (ET) and Temperature/Humidity/Sun/Wind (THSW) Index.
• Diffuser element and housing are carefully designed for accurate cosine response.
• Silicon photo diode provides good match to solar spectrum.

• Operating Temperature:  -40° to +150° F (-40° to +65° C)
• Storage Temperature:  -50° to +158°F (-45° to +70°C)
• Transducer :  Silicon photodiode
• Spectral Response (10% points) :  400 to 1100 nanometers
• Cosine Response:
• Percent of Reading :  ±3% (0° to ±70° incident angle); ±10% (±70° to ±85° incident angle)
• Percent of Full Scale :  ±2% (0° to ±90°)
• Supplied Cable Length : 2' (0.6 m)
• Cable Type :  4-conductor, 26 AWG
• Connector : Modular RJ-11
• I/O Specifications:
• Green wire: Output (0 to +3VDC); 1.67 mV per W/m2
• Red & Black wires :  Ground
• Yellow wire: +3 VDC ±10%; 1mA (typical)
• Temperature Coefficient: +0.067% per °F (+ 0.12% per °C)
• Reference temperature: 77°F (25°C)
• Correction per degree above reference temp: -0.067% of reading per °F (-0.12% per °C)
• Correction per degree below reference temp: +0.067% of reading per °F (+0.12% per °C)
• Housing Material: UV-resistant PVC plastic
• Dimensions (Length x Width x Height): 2.00” x 2.75” x 2.25” (51 mm x 70 mm x 57 mm)
• Weight :  0.5 lbs. (226 g)
• Sensor Output: 
  
• Resolution and Units : 1 W/m2
• Range : 0 to 1800 W/m2
• Accuracy : ±5% of full scale (Reference: Eppley PSP at 1000 W/m2) plus 45 W/m2  per 100' (30 m) of additional cable
• Drift : up to ±2% per year
• Update Interval: 50 seconds to 1 minute

• (1) 6450 - Solar Radiation Sensor
• (1) Level and 0.6 m cable

Brochure/Datasheet

Instruction Manual

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