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EKO MS-80S Pyranometer


Make: Eko                                      Model: MS-80S
✅ The MS-80S is an advanced ISO 9060:2018 Class A pyranometer that offers high precision, fast sensor response, and advanced internal diagnostics system.
✅ Measurand : Solar Radiation.
✅ Sensor Type : Thermopile
✅ Standards & Classifications: ISO 9060:2018 Class A
✅ Signal Output : Modbus 485 RTU, configurable SDI-12.
✅ Supplied With : 10m Cable (Optional lengths 20m, 30m, 50m), Factory test/ Calibration Certificates.

EKO MS-80S Pyranometer:

The MS-80S is a top-of-the-line pyranometer that sets a new standard in the industry. As an ISO 9060:2018 Class A pyranometer, it belongs to the fast-response and spectrally flat sub-categories, making it the perfect tool for professionals in the field of solar energy, meteorology, and other related fields. With unprecedented low zero-offset behavior, fast sensor response, ISO 17025 accredited calibration, and a 5-year recalibration interval, the MS-80S is built to provide you with accurate and dependable results.

Building on the innovative patented design of the original MS-80, released in 2016, the MS-80S includes a state-of-the-art thermopile sensor, a new internal diagnostics system, and 4-channel smart interface. The thermopile sensor makes the MS-80S highly precise and reliable, while the internal diagnostics system offers users visibility over internal temperature, humidity, tilt, and roll angle. This helps to ensure optimum performance without the need for regular physical checks.

Furthermore, the 4-channel smart signal transducer allows the MS-80S to easily connect to any analogue or digital measuring system, giving users a choice with Modbus 485 RTU, and SDI-12 for digital output; alongside 4-20mA, and 0-10mA (0-1V) analogue options. This flexibility makes the MS-80S a versatile tool that can be used in a wide range of applications, making it an ideal choice for professionals in the field.

In conclusion, the MS-80S is a top-of-the-line pyranometer that offers a high level of accuracy, precision, and reliability. With its state-of-the-art features and advanced capabilities, it is the perfect tool for professionals in the field of solar energy, meteorology, and other related fields.

Application and features of EKO MS-80S Pyranometer:



✅ Scientific research
✅ Industrial applications
✅ Photovoltaic system performance monitoring
✅ Large weather monitoring
✅ Climatological studies
✅ ISO 9060:2018 Class A
✅ <0.5s Super-Fast response for always accurate measurements & Spectrally Flat
✅ <1W/m² Record Lowest Zero Offset A, and <0.5% Lowest Non-Stability over 5-Years
✅ Unbeatable reliability, with a 5 Year Warranty & Recommended Recalibration Interval
✅ Level A EMI/EMC Electronics Surge Filter & Protection
✅ Internal Diagnostics for temperature, tilt, roll, and relative humidity
✅ Smart 4-channel Analog & Digital Interface
✅ ptional MV-01 Ventilator & Heater

Eko (Japan)




ISO 9060:2018: Class A
ISO 9060:1990: (Secondary Standard)
Spectrally flat
Fast response


(MODBUS 485 RTU, SDI-12, 4-20mA, configurable 0-10mA / 0-1V with external optional 100Ω precision shunt resistor)

Response time 95%

< 0.5 Sec.

Zero off-set a) 200W/m²

+/- 1 W/m²

Zero off-set b) 5K/hr

+/- 1 W/m²

Complete zero off-set c)

+/- 2 W/m²

Long-term instability

Non-stability change/5 years: +/- 0.5 %


Non-linearity at 1000W/m²: +/- 0.2 %

Spectral Error

+/- 0.2 %

Temperature Response

Temperature response -10°C to 40°C: +/- 0.5 %
Temperature response -20°C to 50°C: +/- 0.5 %

Tilt Response

Tilt response at 1000W/m²: +/- 0.2 %

Operating conditions

-40 – 80 °C

Measuring range

0 – 4000 W/m²

Spectral range

285 – 3000 nm (50% points)

Protection Level

IP 67

Power Supply

5 – 30 VDC

Power Consumption

< 0.2 W

Cable length

10 m

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