PRECISION IRRADIANCE MEASUREMENT FOR PV PERFORMANCE EVALUATION
Solar PV PR Tester & Irradiance Meter
Designed for photovoltaic performance evaluation, this portable PR tester measures solar irradiance, ambient temperature, and module temperature to support PV system efficiency analysis, commissioning, and third-party testing.
Accurate Environmental Data For PV Performance Evaluation
The Solar PV PR Tester is a portable measurement solution designed for photovoltaic power plant testing and efficiency evaluation.
By collecting solar irradiance, ambient temperature, and module temperature data, the system provides essential environmental references for analyzing PV system performance and calculating performance ratio (PR).
The device is suitable for PV commissioning, acceptance testing, operation and maintenance inspection, and third-party performance verification.
Supporting Solar PV Testing
✓ Accurate Environmental Data
Provides reliable irradiance and environmental measurements for accurate PV testing and evaluation.
✓ Component Temperature Evaluation
Monitors module temperature to analyze environmental impact on PV output.
✓ Long-Term Data Collection
Records measurement data for continuous performance analysis.
✓ Portable Field Testing
Compact design allows convenient deployment across different PV project locations.
Key Features
High-Precision Irradiance Measurement
Measures solar irradiance with professional sensors to provide accurate reference data for PV testing and evaluation.
Ambient & Module Temperature Monitoring
Records environmental and module temperature conditions for comprehensive PV performance analysis.
Automatic PR Calculation
Supports photovoltaic performance ratio evaluation through integrated measurement and analysis functions.
Automatic PR Analysis
Stores measurement records for historical review, reporting, and performance comparison.
Flexible Power & Communication
Supports long-duration operation, external power supply, and remote data transmission options.
Applications
Designed for solar testing applications, the PV PR Tester provides accurate irradiance and temperature data for photovoltaic system evaluation, efficiency analysis, and maintenance inspection.

PV Commissioning & Acceptance Testing
Provides environmental measurement data for verifying PV system performance during project commissioning and acceptance.
Solar Plant O&M Inspection
Supports routine inspection and efficiency evaluation by recording operating environmental conditions.
Third-Party PV Performance Testing
Provides reliable measurement data for independent assessment and PV system verification.
Technical Specifications
Key specifications for irradiance measurement, temperature monitoring, and PV performance analysis.
Measurement Parameters
|
Parameter
|
Specification
|
|---|---|
|
Solar Irradiance |
0–2000 W/m² |
|
Irradiance Accuracy |
±1 W/m² |
|
Irradiance Resolution |
1 W/m² |
|
Spectral Range |
0.3–3 μm |
|
Ambient Temperature |
-50–100℃ |
|
Module Temperature |
-50–80℃ |
|
Temperature Accuracy |
±0.5℃ |
System Configuration
|
Parameter
|
Specification
|
|---|---|
|
Data Storage |
Integrated environmental data acquisition |
|
Communication |
4G / wireless communication options |
|
Display |
Touchscreen operation interface |
|
Power Supply |
Built-in battery and external AC power |
|
Battery Operation |
Up to 150 hours standby operation |
|
Data Management |
Data download, analysis, report generation |
|
Operating Environment |
-40–85℃ |
SUPPORT & INFORMATION
PV PR Tester & Irradiance Meter FAQ
Find answers about PV PR testing, irradiance measurement, and system performance evaluation.

