Technical consulting
We help you define the right measurement configuration for your project (GHI, GTI, DNI, albedo, soiling…) according to IEC 61724-1 requirements.
Solar Energy Solutions · From China to Europe
HYTOP supplies high-precision, all-weather solar radiation and meteorological monitoring equipment to developers, EPCs, O&M operators and research institutes across Europe.
About HYTOP
Solar energy is becoming increasingly competitive and efficient. To reach its full potential, solar stakeholders need powerful insights from fully integrated, highly accurate meteorological and environmental monitoring solutions. Those insights come from HYTOP.
Based in China, close to the manufacturers, HYTOP selects, configures and delivers monitoring systems that meet the most stringent international standards – so that your data is traceable, verifiable and highly accurate. From resource assessment to operational forecasting, our technology is the foundation of bankable solar investments.
Empowering your solar vision
Our services
More than a supplier: we accompany you from the technical specification to the commissioning of your monitoring system.
We help you define the right measurement configuration for your project (GHI, GTI, DNI, albedo, soiling…) according to IEC 61724-1 requirements.
Direct access to qualified manufacturers. Complete stations are assembled, configured and tested before shipping.
Pre-shipment inspection, calibration certificates traceable to the World Radiometric Reference (WRR) and complete documentation.
We handle packaging, export formalities and transport to your site or warehouse anywhere in Europe.
A single point of contact speaking English, French and Chinese – no more language barriers with Chinese factories.
Remote commissioning assistance, spare parts, recalibration and long-term technical follow-up of your installations.
Our products
From complete turnkey stations to individual Class A sensors – everything you need to measure the solar resource and the environment of your PV plant.

High-end PV weather station
IoT weather station specifically engineered for photovoltaic power plants: sensing, data acquisition and transmission, with local and cloud storage.

Integrated quad-parameter radiation monitoring
Cost-effective all-in-one measurement of GHI, DNI, DHI and sunshine duration, expandable with soiling and atmospheric sensors.

Research-grade solar monitoring station
Designed in strict compliance with the BSRN standards of the World Meteorological Organization (WMO). Delivers bankable solar radiation data.

All-sky camera for cloud cover analysis
180° field of view and resolution above 3000 × 3000 pixels to record cloud shape and coverage for weather and PV power forecasting.

ISO 9060:2018 Class A pyranometer
High-precision thermopile pyranometer for GHI, GTI, DHI and albedo, “fast response and spectrally flat”, traceable to the WRR (Davos).
| Measurement range | 0 – 4000 W/m² |
|---|---|
| Response time (95%) | < 0.5 s |
| Total zero offset | < 2 W/m² |
| Non-stability | < 0.5 % / 3–5 years |
| Non-linearity | < 0.2 % |
| Directional response | < 10 W/m² |
| Sensitivity | 7 – 20 µV/W/m² |
| Spectral range | 285 – 3000 nm |
| Operating temperature | −40 … +80 °C |
| Protection | IP67 |
| Dimensions / weight | Ø118 × 82 mm · ~289 g |
Pyrheliometer – DNI & sunshine duration
Research-grade instrument with a 200–4000 nm spectral range and response < 0.2 s, exceeding ISO 9060 and WMO Class A requirements.
PV module surface temperature sensor
Platinum resistance (Pt100 / Pt1000) thermometer for PV backsheet temperature, soil, surface water and ice temperature.

Digital rain sensors
High-accuracy measurement of rainfall volume, intensity and duration – tipping bucket (ZTR-1) or optical, without moving parts (ZTR-2).
Applications
Evaluate the solar resource and estimate the investment with bankable, traceable data.
Feed performance models and short-term forecasting with irradiance and sky imaging data.
Calculate the performance ratio, detect soiling and underperformance in real time.
Meet grid operator and power trading reporting requirements with certified measurements.
Why HYTOP
Contact
Tell us about your site and your measurement needs. We will get back to you within 24 hours with a tailored proposal.