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EKO ML-01 Si-Pyranometer


Make: Eko                                      Model: ML-01.
✅ An industrial grade solar sensor made for Performance ratio measurements at PV sites as well as the wide applications of the irradiance measurement in the meteorological, agricultural and environmental studies.
✅ Measurand: Solar Radiation
✅ Sensor Type: Mono-silicon detector
✅ Standards & Classifications: ISO 9060:2018 Class C
✅ Signal Output: Analog (0 ~100 mV)
✅ Supplied With: 5m cable (Optional 10m, 30m, 50m) ,Leveling Plate(Optional), Factory test/ Calibration Certificates.

EKO ML-01 Si-Pyranometer:

Introducing the compact and industrial-grade EKO ML-01 silicon pyranometer, a device designed for high-quality irradiance measurements. The device is certified to ISO 9060:2018 Class C standards, ensuring accuracy and reliability.

Furthermore, the ML-01 boasts a fast response time, making it ideal for rapidly changing conditions. Durability is also a key feature, as it is both light and tough, making it easy to transport and install while being able to withstand harsh industrial environments.

The device features a mono-silicon detector with a UV-resistant cone-shaped diffuser that helps to minimize soiling and water deposition, delivering an excellent cosine response, even at low solar elevation angles. Additionally, the sensor can be mounted in the horizontal position for global horizontal measurement applications with a standard removable mounting plate with a spirit level and leveling feet.

Manufactured in Japan by EKO, a company known for its strict adherence to quality standards, the ML-01 comes with an optional mounting plate, a 2-year warranty, 2-year recommended recalibration interval and unique calibration, compliant with international standards. This makes it a cost-effective alternative to larger thermopile-based sensors and easy to integrate into any project or application such as solar, agricultural, and automotive.

In conclusion, the ML-01 silicon pyranometer is a reliable and accurate device that is designed to meet the needs of industrial and commercial applications. Its compact size, fast response time, and durable construction make it an ideal choice. Additionally, its easy integration into any project or application makes it a versatile option.

Application and features of EKO ML-01 Si-Pyranometer:



✅ Meteorological
✅ Agricultural
✅ Environmental monitoring applications
✅ Automotive
✅ Research purpose
✅ Small, Tough, & Easy to Integrate into Any Application
✅ Excellent Cosine Response at Low Solar Elevation Angles
✅ Low-Temperature Dependency, Suited to Hot & Cold Conditions
✅ Fast Response Photodiode Detector for Always Accurate Measurements
✅ Mono-Silicon Detector with UV Resistant Diffuser & Removable Mounting Plate

Eko (Japan)



Weight (Mass)

Sensor only : 30g
With Leveling Plate : 75g


Sensor only : φ22 x 28.5mm
With Leveling Plate : φ60 x 43.5mm


0 ~100 mV

Measuring Range

0 ~ 2000 W/m2

Power Supply


Power Consumption



Class C

Long-term Instability

± 2 %


< 0.2 %

Operating Conditions

-30 to 70°C


50 µV/W/m²

Spectral Range

400 ~ 1100 nm

Zero off-set a) 200W/m²

0 W/m²

Zero off-set b) 5K/hr

0 W/m²

Complete zero off-set c)

0 W/m²

Tilt Response

0 %

Spectral Error

± 3.07 %

Temperature Response

< 0.15 %

Response Time (95%)

< 1 Sec

Protection Level

Equivalent to IP67 (IEC60529, JIS C0920)

Cable Length

5 m

Quote EKO ML-01 Si-Pyranometer

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