Solar Radiation

Model SK01-D2  Pyranometer  Sensor 

Moderate Quality Photodiode Pyranometer

The SK01-D2 is a simple Pyranometer with Silicon Photodiode Sensor with precision amplifier for measuring total solar global radiation on a horizontal surface.

The sensor has following special features :

  • Glass dome to keep debris off the  cosine corrected diffuser.
  • Hard anodized aluminum for corrosion resistance.
  • Circular level and adjustable feet and
  • Sealed and fully weatherproof  

Specification :

  • Irradiance Range      : 0 to 2000 W/m² 
  • Spectral range          : 300 to 1150 nm
  • Sensitivity                  : 1mV/ W/m² 
  • Calibration Accuracy : ± 3%

The SK01-D2 supplied with 3 meter cable with suitable interface for Data collection on ICT International  VSL DataLogger .


Model SK08 & SK08-E Pyranometer  Sensor

First Class Good Quality Pyranometer

The Middleton SK08  is a solar radiometer for the accurate measurement of global irradiance on a plane surface. It exceeds the international accepted specifications for a good quality Pyranometer. The SK08-E version has an inbuilt  signal amplifier.

The sensor has following special features :

  • A passive thermoelectric (Thermopile) sensor , optimized for thermal stability.
  • Fast response and Strong output signal.
  • Aluminium construction, hard anodized for corrosion resistance.
  • Excellent directional response and
  • Fully Sealed for low maintenance.  

Specification :

  • Irradiance Range       : 0 to 2000 W.m‾²
  • Spectral range           : 300 to 3000nm
  • Sensitivity                  : 18-20µV/ W.m‾²                                          

Application :  
Economical good quality measurements for weather station, network  monitoring , climate control and radiation monitoring in the field condition.

The SK08 or SK08-E supplied with 3 Meter cable  and suitable interface for ICT International VSL  Datalogger.            

For more details Click Here


CN1-R Net Pyrradiometer or  Net Radiometer

First Class , High Quality Pyranometer

 The Middleton CN1-R Net Pyrradimeter measures the net total radiation flux (solar, terrestrial, and atmospheric) downward and upward through a horizontal surface. It is suitable for solar energy studies in agriculture and meteorology.

The sensor has following special features :

  • Excellent directional réponse, stable durable .
  • Marine grade Aluminium hard anodized for corrosion resistance.
  • Bubble leveler on top of instruments for easy viewing with  adjustable feet and
  • Sealed and fully weatherproof   and sealed construction for low- maintenance 
  • Strong output signal

Specification :

  • Irradiance Range      : 0 to 4000 W.m‾² 
  • Spectral range          : 300 to 6000 nm
  • Sensitivity                  : 25µV/ W.m‾² 
  • Non-linearity              : ±1%

The EQ08 Pyranometer supplied with 6 meter cable and suitable interface for ICT VSL Datalogger .Supplied with simple mounting Kit.    

Model EQ08-S Pyranometer  Sensor 

Secondary Standard  Very High Precision  Pyranometer :

     The Middleton EQ08-S is a precision Pyranometer for the measurement of global solar irradiance   on  a  plane  surface. It  exceeds  the  international   accepted specifications for a high quality Pyranometer. The EQ08-S incorporates a unique thermoelectric ( Thermopile ) sensor  that  has exceptionally low directional error without  compromise  to signal  strength or  response time. The  EQ08-E version has an  inbuilt  amplifier  to give  a millivolt  output for  easy signal measurement.

     The sensor has following special features :
      -    An unique thermoelectric (Thermopile) sensor, optimized for thermal stability.
      -    Marine grade Aluminium construction, hard anodized for corrosion resistance
      -    Fast response and strong output signal
      -    Excellent directional response and
      -    Fully sealed construction for low maintenance.  

Specification :

  • Irradiance Range      : 0 to 4000 W.m‾²
  • Spectral range          : 300 to 3000nm
  • Sensitivity                  : 18-20µV/ W.m‾²                                          

EQ08 Pyranometer supplied with 6 meter cable and suitable interface for ICT VSL
Datalogger .Supplied with simple mounting Kit.

For more details Click Here


Other Pyranometer Solar Radiation Sensor

Apogee Instruments pyranometers represent the next generation in pyranometer design maximizing accuracy, reliability and durability. Featuring a silicon-cell photodiode with excellent cosine response, our pyranometers measure total solar radiation to within 5% at a fraction of the price of black-body pyranometers, and at a far lower price-point than most other photodiode pyranometers on the market due to advancements in manufacturing.

The sensor has following special features:

  • Next generation sensor head design
  • Self-cleaning dome-shaped head
  • Excellent cosine response
  • Potted solid to withstand extreme and humid conditions, and reduce thermal based accuracy fluctuations
  • Calibrated silicon-cell photodiode sensor accurate to 5%, under clear sky conditions
  • Easily integrates with dataloggers
  • Utilized by leading weather station manufacturers such as Campbell Scientific, Columbia Weather Systems and more
  • Custom options available
  • Four year warranty
  • Model

    SP-110

    SP-212

    SP-114

    SP-115

    SP-130

Specification :

Spectral Range: 360 to 1120 nm Measurement Repeatability: < 1 % Response Time: < 1 ms Field of View: 180o

For more details Click Here


Pyranometer Solar Radiation Meter

Apogee Instruments pyranometers represent the next generation in pyranometer design maximizing accuracy, reliability and durability. Featuring a silicon-cell photodiode with excellent cosine response, our pyranometers measure total solar radiation to within 5% at a fraction of the price of black-body pyranometers, and at a far lower price-point than most other photodiode pyranometers on the market due to advancements in manufacturing.

The Meter has following special features :

  1. Excellent cosine response
  2. Self-cleaning dome-shaped sensor head does not trap water or debris
  3. Calibrated silicon-cell photodiode sensor accurate to 5%, under clear sky conditions
  4. Utilized by leading weather station manufacturers such as Campbell Scientific, Columbia Weather Systems and more
  5. Four year warranty
  6. Model

    MP-100

    MP-120

Specification :

Spectral Range: 360 to 1120 nm Measurement Repeatability: < 1 % Response Time: < 1 ms Field of View: 180o

For more details Click Here