Irradiance Meters

Irradiance meters are essential tools for the installation of photovoltaic solar panels and other solar equipment to ensure correct installation. Solar irradiance meters available from Megger, Kewtech, Metrel and Seaward.

Find out more about Irradiance Meters below.

TPI 510 Solar Irradiance Meter
In Stock : Get It Next Working Day*
TPI 510 Solar Irradiance Meter
£87.90
£105.48 inc. vat
  • Wide solar measurement range
  • Can measure in two different units
  • Portable and easy to use
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PASS PVIM-2000 Solar Irradiance Meter
In Stock : Get It Next Working Day*
PASS PVIM-2000 Solar Irradiance Meter
£89.00
£106.80 inc. vat
  • Measures solar power
  • Selectable units: W/m2 or BTU/ (ft2*h)
  • Easy-to-read overload LCD
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Extech SP505 Pocket Solar Power Light Meter
Extech SP505 Pocket Solar Power Light Meter
£101.00
£121.20 inc. vat
  • Measure solar power light level in watts per square meter (W/m2 ) or BTU (ft2 *h)
  • Easy-to-use
  • Useful for various applications and fields
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DiLog SL102 Advanced Irradiance Meter
In Stock : Get It Next Working Day*
DiLog SL102 Advanced Irradiance Meter
£105.80
£126.96 inc. vat
  • Measure solar irradiance to 1999 W/m2 or 634BTU/ft2*h
  • Built-in multimeter
  • MIN/MAX, dual display and much more
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Megger PVM210 Irradiance Meter
In Stock : Get It Next Working Day*
Megger PVM210 Irradiance Meter
£114.45
£137.34 inc. vat
  • Compact and easy to use
  • Combines a number of photovoltaic functions
  • Simple push-button interface
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Seaward Solar Survey 100 Irradiance Meter
Stock Due : Estimated 1-2 Weeks
Seaward Solar Survey 100 Irradiance Meter
£164.00
£196.80 inc. vat
  • Measures irradiance
  • Also measures temperature
  • Compass and inclinometer integrated into unit
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Dilog SL300 Advanced Solar PV Kit
In Stock : Get It Next Working Day*
Dilog SL300 Advanced Solar PV Kit
£209.00
£250.80 inc. vat
  • Includes two testers
  • Great value – save money compared to buying separately
  • Handy carrying case also included
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Seaward Solar Survey 200R Data Logging Irradiance Meter
In Stock : Get It Next Working Day*
Seaward Solar Survey 200R Data Logging Irradiance Meter
£210.00
£252.00 inc. vat
  • Measures solar irradiance levels
  • Also measure ambient temperature, roof pitch and more
  • Wireless connectivity with Seaward PV150 Solar Installation Tester
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Megger PVK320 Solar PV Installer Kit
In Stock : Get It Next Working Day*
Megger PVK320 Solar PV Installer Kit
£212.92
£255.50 inc. vat
  • Bundle includes irradiance meter and multimeter
  • Also comes with solar leads and connectors
  • Supplied in carrying pouch
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Megger PVK330 Photovoltaic Kit
In Stock : Get It Next Working Day*
Megger PVK330 Photovoltaic Kit
£227.95
£273.54 inc. vat
  • Specialist kit for solar PV installers
  • Includes AC/DC clamp meter, solar irradiance meter, test leads and carrying case
  • Save money compared to buying separately
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Fluke IRR1-SOL Solar Irradiance Meter
In Stock : Get It Next Working Day*
Fluke IRR1-SOL Solar Irradiance Meter
£259.00
£310.80 inc. vat
  • Instantaneous irradiance measurements up to 1400 W/m²
  • Built-in temperature sensor and external suction mount temperature probe
  • High-contrast LCD screen that is easy-to-read even in direct sunlight
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PASS Solar Test Kit (Inc. Solar Clamp 1500V DC & Irradiance Meter)
In Stock : Get It Next Working Day*
PASS Solar Test Kit (Inc. Solar Clamp 1500V DC & Irradiance Meter)
£279.00
£334.80 inc. vat
  • Solar clamp measures DC voltage up to 1500V
  • Solar irradiance meter measures transmission, solar radiation, & light intensity
  • Solar Panel Crimping Tool for crimping wires; stripping cable; & installing PV cables
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Fluke IRR2-BT Pro Solar Irradiance Meter
Fluke IRR2-BT Pro Solar Irradiance Meter
£425.00
£510.00 inc. vat
  • Mono-crystalline solar sensor measures irradiance up to 1400 W/m²T
  • Built-in temperature sensor
  • Integrated compass and inclination sensor
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Megger 1014-805 PVK350 Photovoltaic Kit
In Stock : Get It Next Working Day*
Megger 1014-805 PVK350 Photovoltaic Kit
£696.00
£835.20 inc. vat
  • Irradiance meter and a clamp meter
  • Includes leads and connectors
  • Supplied in hard case
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Seaward PV200 Solar PV Testing Kit
In Stock : Get It Next Working Day*
Seaward PV200 Solar PV Testing Kit
£2,399.00
£2,878.80 inc. vat
  • Comprehensive solar photovoltaic installer kit
  • Available with or without software
  • Powerful, high accuracy test meters
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About Irradiance Meters

Solar irradiance meters allow an engineer to accurately obtain a reading from solar equipment such as solar panels to calculate exactly how much solar power they are getting from a particular location.

Solar irradiance itself is defined as the amount of solar energy arriving at a specific area at a specific time, and it is important to regularly measure the amount of solar irradiance obtained as the reading fluctuates because of things such as the earth's tilt, cloud cover and the angle of the sun in the sky. Solar power essentially depends on the earth's current location and the state of the atmosphere around it, which is why solar irradiance meters are used to gain accurate readings depending on the time of the day and the amount of sunlight provided at that particular moment.

It's an essential tool when you're installing solar energy solutions because it allows the engineer to let the customer know how much of a saving the installed equipment will provide. Use an irradiance meter to provide comprehensive solar PV site surveys, enhance your status with customers and improve your working practice as a testing professional.