MaxiMet GMX101

Solar Radiation

An integrated solar radiation sensor/pyranometer. This highly accurate instrument uses a thermal sensor mounted as its base and protected by a single glass dome to record the amount of light in watts per square metre. It is widely used in agro-meteorological applications and for monitoring the performance of solar panels. An inclinometer is fitted to provide the angle of tilt to aide correct vertical and angled mounting.


Product Description

MaxiMet GMX101

The MaxiMet range of compact weather stations is designed and manufactured by Gill Instruments. MaxiMet products use reliable, high-quality instruments to provide accurate meteorological information in a wide variety of applications.


Technical specs

Solar Radiation:

  • Complies with ISO 9060 and WMO Guidelines
  • Output in watts per metre2
  • 180° hemispherical field of view
  • Records sunshine hours
  • Integrated Hukseflux LP02 pyranometer
  • Glass dome
  • Solar radiation W/m2
  • Sunshine hours hrs
  • Twilight
  • Sunrise
  • Sunset
  • The position of the sun
  • Solar Noon
  • Angle of Tilt
  • Outputs: RS232, 422, 485 (ASCII), SDI-12, NMEA, MODBUS, Analogue (option)
  • Quality Measurements
  • Lightweight and Robust
  • Low Power Mode
  • Free of Charge Software
  • Gill Proven Reliability
  • Compact Integrated Design
  • Real-Time Output
  • Easy Installation
  • Gill Customer Support
  • 2 Year Warranty
  • Building and Industrial Controls
  • Authorities
  • Transport
  • Coastal
  • Agricultural
  • Safety
  • Educational
  • Commercial
  • Energy


Download MaxiMet GMX101 Spec
Download Maximet Manual



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Product Features

Global solar radiation

Wavelength Sensitivity:

  • 300 to 3000 nm
Output Range:
  • 0 to 1600 W/m2
  • 1 W/m2
DIN Standard:
  • ISO 9060 Second Class
Sampling Rate:
  • 1 Hz
  • W/m2



Output rate:

  • 1/s, 1/min, 1/hr
Digital Comms Modes:
  • Serial RS232, RS422, RS485, SDI-12, NMEA, MODBUS, ASCII
Analogue Outputs:
  • Available via a separate optional device


Power Supply:

  • 5 to 30Vdc
Power (Nominal) 12Vdc:
  • 28 mA continuous high mode.

Environmental Conditions

IP Rating:

  • 66
Operational Temperature Range:
  • -40°C to +70°C
EMC Standard:
  • BS EN 61326 : 2013 FCC CFR47 parts 15.109
CE Marking:
  • YES
RoHS compliant:
  • YES
  • 0.4 Kg
  • UK



  • ± 90°
  • ± 3°