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    • NovaLynx Corporation
    1-530-823-7185
    Products > Solar Radiation

    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
    (Click to see larger image and other views)
    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 Class C (previously known as 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.

    Each sensor (except the USB model) includes an IP68 marine-grade stainless-steel cable connector 30 cm from head to simplify sensor removal and replacement for maintenance and recalibration. (The sensor can be purchased without the connector, but delivery will be longer and the wire colors will be different.)

    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-SS

    • Output: 0-400 mV (0-2000 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-SS

    • Output: 0-2.5 V (0-2000 Wm-2)
    • Sensitivity: 1.25 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): 5 oz (140 g)

    240-SP-214-SS

    • Output: 4-20 mA (0-2000 Wm-2)
    • Sensitivity: 0.008 mA per Wm-2 (offset 4 mA)
    • Input power: 7 to 24 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-SS

    • Output: 0-5 V (0-2000 Wm-2)
    • Sensitivity: 2.5 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): 5 oz (140 g)

    240-SP-230-SS All Season Heated Pyranometer

    • Output: 0-400 mV (0-2000 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 1.3" H (24 x 33 mm)
    • Weight (including 4.6m cable): 3.2 oz (90 g)

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