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Thermopile Pyranometers

Apogee thermopile pyranometers feature a blackbod thermopile detector.
Accurate and stable global shortwave radiation measurement in W m-2.
Apogee's unique thermopile pyranometers compare favorably to Class A sensors for a much lower price. They feature a blackbody thermopile detector and have a larger spectral range, making them more accurate in all atmospheric conditions.
Unique Design
Designed to optimize performance and price. The upward-looking model combines a blackbody thermopile detector and acrylic diffuser, and is a significant improvement when compared to the spectral response of silicon-cell pyranometers, but keeps the price close to that of silicon-cell pyranometers. The downward-looking model combines a blackbody thermopile detector and flat glass window. It performs similarly to domed downward-looking thermopile pyranometers, but without the cost of the dome.
Accurate Measurements - ISO 9060:2018 Class C
Calibration in controlled laboratory conditions is traceable to the World Radiometric Reference in Davos, Switzerland. The upward-looking model is cosine-corrected, with directional errors less than 20 W m-2 at 80° solar zenith angle. Long-term non-stability determined from multiple replicate pyranometers in accelerated aging tests and field conditions is less than 2 % per year.
Rugged, Self-cleaning Housing
Patented domed shaped sensor head (diffuser and body) facilitate runoff of dew and rain to keep the sensor clean and minimize errors caused by dust blocking the radiation path. Sensors are housed in a rugged anodize aluminum body, and electronics are fully potted.
On-board Heater
A 0.2 W heater keeps water (liquid and frozen) off the sensor and minimizes errors caused by dew, frost, rain, and snow blocking the radiation path.
Apogee Instruments' thermopile albedometer AL-130 bracket.
Apogee thermopile pyranometer with cable connector.
Typical Applications
Applications include shortwave radiation measurement in agricultural, ecological, and hydrological weather networks. Sensors are also used to optimize photovoltaic systems. The upward-looking (SP-510) and downward-looking (SP-610) can be mounted back-to-back to make an albedometer using the AL-120 albedometer mounting bracket.
Mounting
The AL-120 Solar Mounting Bracket with Leveling Plate facilitates mounting the sensor to a mast or pipe. The AL-100 Solar Sensor Leveling Plate is designed to level the sensor while sitting on a flat surface or mounting to a surface. The AL-130 Albedometer Mounting Bracket can be used to mount an SP-510 and -610 back-to-back to make an albedometer.
High Quality Cable
Pigtail-lead sensors feature an IP68, marine-grade stainless-steel cable connector approximately 30 cm from the head to simplify sensor removal for maintenance and recalibration. Cable is shielded-twisted pair wire with a TPR jacket for high water resistance, UV stability, and flexibility in cold conditions.
Output Options
Analog output of 0 to 100 mV, or attached to a hand-held meter with digital readout.
Warranty and Support
All Apogee products are backed by an industry-leading four year warranty and outstanding customer support.
Learn more about the thermopile pyranometer specifications.

Specifications

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Watch videos to learn more about our thermopile pyranometers.

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Product support information for thermopile pyranometers.

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  • $535.00 - $663.00
SP-510-SS Upward-Looking Thermopile Pyranometer
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SP-510-SS Upward-Looking Thermopile Pyranometer

$333.00
SP-610-SS Downward-Looking Thermopile Pyranometer
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SP-610-SS Downward-Looking Thermopile Pyranometer

$333.00
SP-710-SS: Albedometer Sensor Package
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SP-710-SS: Albedometer Sensor Package

$663.00
SP-722-SS Modbus Digital Output Thermopile Albedometer
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SP-722-SS Modbus Digital Output Thermopile Albedometer

AA-100: Protective Carrying Case
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AA-100: Protective Carrying Case

$24.00
AL-100: Solar Sensor Leveling Plate
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AL-100: Solar Sensor Leveling Plate

$44.00
AL-120 Solar Mounting Bracket with Leveling Plate
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AL-120 Solar Mounting Bracket with Leveling Plate

$64.00
AL-130 Albedo Meter Bracket-Accommodates the SP-510 and SP-610 pyranometers to create an albedo meter.
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AL-130 Albedometer Mounting Bracket

$72.00
AM-150 Albedometer Solar Panel Clamping Bracket
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AM-150 Albedometer Solar Panel Clamping Bracket

$29.00
AM-130 Albedometer Mounting Fixture with 12" Rod
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AM-130 Albedometer Mounting Fixture with 12" Rod

$35.00
AM-310: Sensor Wand
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AM-310: Sensor Wand

$62.00
AM-320 Water Submersible Sensor Wand
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AM-320 Water Submersible Sensor Wand

$62.00
AC-421 SDI-12 to USB Converter
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AC-421 SDI-12 to USB Converter

$130.00

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About Apogee Instruments, Inc.

Address:
721 West 1800 North
Logan, UT 84321
United States of America

Hours: Monday-Friday 8 AM- 5 PM MST

Main Line / Order Status: (435) 792-4700
or sales@apogeeinstruments.com

Technical Sales and Support: (435) 245-8012
or techsupport@apogeeinstruments.com

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  • products
    • Pyranometers
    • Quantum (PAR) Sensors / Meters
    • Daily Light Integral Measurement
    • Infrared Radiometers
    • Aspirated Radiation Shield
    • Spectroradiometers
    • Net Radiometer
    • Pyrgeometers
    • Humidity Probes
    • Temperature Sensors
    • Leaf and Bud Temperature Sensor
    • Oxygen Sensors
    • UV Sensors
    • Chlorophyll Concentration
    • Barometric Pressure
    • PAR Meters for Aquariums
    • microCache Bluetooth Micro Logger
    • Red - Far-red and PAR-FAR Sensors
    • Photometric Sensor
    • Solar Energy PV Monitoring
    • Accessories
    • Calibration Services
    • Replacement Cables
  • About Us
    • Contact Us
    • International Distributors
      • Apogee Instruments Distributors - Brazil
      • Apogee Distributor - Campbell Scientific Southeast Asia
    • Careers
    • Apogee News
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