
Photovoltaic Systems Maintenance Solutions
Designed for Ruggedness. Unparalleled Precision and Accuracy.
Engineered to last, Photovoltaic Systems are designed to be sustainable yet efficient. This signifies the importance of having regular inspection of PV Systems and its solar panels – a crucial measure in ensuring optimal production of clean energy and to prevent unnecessary and costly problems in the future.
We are in tireless pursuit of technologies to bring value to our society. As such, Hioki strives to improve the effectiveness, convenience and accuracy of PV Maintenance Solutions in the most cost-effective way possible. We have specially curated a set of instruments to be used in each PV System section.

Instruments for PV System Maintenance
A specially curated set of instruments for your PV Maintenance needs.
Solutions for PV Systems
Hover your cursor over or click on the products to learn more.

Earth Tester FT6031-50

Measure panel and frame grounding resistance
Digital Multimeter DT4261

Measure up to 2000 V DC with P2000 Probe for no-load inspections for solar panels
Insulation Tester for PV Systems IR4053

Measure insulation resistance of solar panels using dedicated PV function
Bypass Diode Tester FT4310

Measure open circuit voltage, short-circuit current and bypass route resistors
AC/DC Clamp Meter CM4370 Series

Measure up to 600 A / 2000 A DC and 1700 V DC, DC Power Testing
Power Analyzer PW3390

Measure power data such as power converter efficiency, harmonics, distortion rate, and generated electrical energy
Digital Multimeter DT4200 Series

Verify and record line voltage, etc.
Digital Phase Detector PD3259-50

No-metal-contact phase detector that can also measure 3-phase line voltages
Power Quality Analyzer PQ3100, PQ3198

Measure and monitor power quality indicators such as harmonics, distortion rate, frequency fluctuations, voltage anomalies, and voltage fluctuations
Clamp on Power Logger PW3360

Measure and record time-series data such as electrical energy, voltage, current, and power factor
High Voltage Insulation Tester IR3455

Measure insulation resistance of high-voltage equipment such as transformers
Measure Grounding Resistance and Record Data | Test Voltage | Measure Insulation Resistance | Measure Open-Circuit Voltage, Short-Circuit Current, Bypass Route Resistors |
Measure AC/DC Current and Voltage, DC Power | Detect Electrical Disturbances, Analyze Power Data | Detect Phase Sequence | Test 5kV Insulation |
Measure Power Quality Indicators | Power Quality and Energy Management | Verify Wire and Circuit Energization | |