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240-SP Silicon-Cell Pyranometers

Silicon-Cell Pyranometer
240-SP Silicon-Cell Pyranometers
Silicon-Cell Pyranometer
240-SP Silicon-Cell Pyranometers
Stainless Steel In-line Connector
240-SP Silicon-Cell Pyranometers
Mounting and Leveling Plate
240-SP Silicon-Cell Pyranometers
Leveling Plate and Mounting Bracket
240-SP Silicon-Cell Pyranometers
Pyranometer on Mounting Arm
240-SP Silicon-Cell Pyranometers
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The 240-SP Silicon-Cell Pyranometers are calibrated to measure total shortwave radiation. Amplified versions are available in 2.5 volt, 5 volt, and 4-20 mA outputs.
Product Details

The 240-SP Silicon-Cell Pyranometers are calibrated to measure total shortwave radiation. Amplified versions are available in 2.5 volt, 5 volt, and 4-20 mA outputs.

The 240-SP series pyranometers compare favorably with second class standard pyranometers, but at a fraction of the cost. They have been used successfully for over 20 years in many different field measurement situations, including agricultural, meteorological, and solar energy applications.

Featuring a fast response time of less than one second, they are cosine-corrected to get accurate readings even if the sun is at a low zenith level, have a self-cleaning head, and are designed to be rugged for continuous outdoor use in all climates.

The 240-SP-230 All Season Heated Pyranometer has a 0.2 watt heater to keep water (liquid and frozen) off the sensor and minimize errors caused by dew, frost, rain, or snow blocking the optical path.

The new 240-SP-420 Smart Pyranometer can be connected directly to a computer for taking spot measurements or graphing and datalogging real-time shortwave radiation using the included software. The sensor can also act as a stand-alone shortwave radiation datalogger by simply connecting it to any standard 5 Vdc USB power plug. Internal memory within the sensor head is capable of storing 10,000 user-specified periodic measurements that can be downloaded as a CSV file to a computer for analysis. Consult NovaLynx for more information.

The pyranometers can be secured to the 240-AL-100 Leveling Plate by means of a threaded insert in the bottom of the sensor. Three bolts assist in leveling the plate. The 240-153-SP Tower Mount facilitates mounting the sensor to a mast or pipe.

Specifications

  • Calibration uncertainty: ± 5%
  • Measurement repeatability: Less than 1%
  • Field of view: 180°
  • Spectral range: 360 to 1120 nm
  • Directional (Cosine) response: ± 5% at 75° zenith angle
  • Temperature response: 0.04 ± 0.04% per °C
  • Operating environment:
    • -40°C to +70°C
    • 0 to 100% relative humidity
    • Can be submerged in water up to depths of 30 m
  • Cable:
    • 5 meters of shielded twisted-pair wire, additional cable available in multiples of 5 m
    • Santoprene rubber jacket (high water resistance, high UV stability, flexibility in cold conditions)
    • Pigtail lead wires
  • Warranty: 4 year against defects in materials and workmanship

240-SP-110

  • Output: 0-350 mV (0-1750 Wm-2)
  • Sensitivity: 0.20 mV per Wm-2
  • Input power: None, self-powered
  • Dimensions: 1" Dia x 1.1" H (24 x 28 mm)
  • Weight (including 5m cable): 3.2 oz (90 g)

240-SP-212

  • Output: 0-2.5 V (0-1250 Wm-2)
  • Sensitivity: 2.0 mV per Wm-2
  • Input power: 5 to 24 Vdc @ 300 uA
  • Dimensions: 1" Dia x 1.1" H (24 x 28 mm)
  • Weight (including 5m cable): 3.2 oz (90 g)

240-SP-214

  • Output: 4-20 mA (0-1250 Wm-2)
  • Sensitivity: 0.013 mA per Wm-2 (offset 4 mA)
  • Input power: 5 to 36 Vdc @ up to 22 mA
  • Dimensions: 1" Dia x 1.1" H (24 x 28 mm)
  • Weight (including 5m cable): 5 oz (140 g)

240-SP-215

  • Output: 0-5 V (0-1250 Wm-2)
  • Sensitivity: 4.0 mV per Wm-2
  • Input power: 5.5 to 24 Vdc @ 300 uA
  • Dimensions: 1" Dia x 1.1" H (24 x 28 mm)
  • Weight (including 5m cable): 3.2 oz (90 g)

240-SP-230 All Season Heated Pyranometer

  • Output: 0-350 mV (0-1750 Wm-2)
  • Sensitivity: 0.20 mV per Wm-2
  • Power: 12 Vdc @ 15.4 mA
  • Dimensions (with included stand): 1.2" Dia x 5" H (31 x 128 mm)
  • Weight (including 5 m cable): 7 oz (192 g)

240-SP-420 Smart Pyranometer with USB Output to PC or Stand-Alone Data Logger

  • Output: Logged data via USB 2.0 connector, cable length 4.6 meters
  • Resolution: 0.1 Wm-2
  • Input power: 5 Vdc @ 61 mA (when logging)
  • Dimensions: 1" Dia x 1.1" H (24 x 28 mm)
  • Weight (including 4.6m cable): 3.2 oz (90 g)
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