HT Instruments PV-CHECKs One Photovoltaic Installation Tester (1011550)

HT Instruments PV-CHECKs One is a comprehensive photovoltaic installation tester designed for verification and troubleshooting of PV systems according to IEC/EN 62446-1. It combines multiple test functions in one portable instrument, including continuity of protective conductors, insulation resistance, open circuit voltage, short circuit current, and DC power measurement. With a CAT III 1000V safety rating and a large backlit LCD, it is suitable for both commissioning and periodic maintenance of solar installations.

Overview

The PV-CHECKs One performs all essential electrical safety and performance tests required for PV installations. It measures continuity with a test current of 200 mA, insulation resistance at 250 V, 500 V, and 1000 V DC, and open circuit voltage up to 1000 V DC. The instrument also measures short circuit current up to 15 A and DC power up to 15 kW, with automatic calculation of performance at standard test conditions (STC).

What stands out

• Complies with IEC/EN 62446-1 for PV system testing
• CAT III 1000V safety rating for safe operation on live circuits
• Internal memory for data logging and USB connectivity for PC analysis
• Rechargeable Li-ION battery with battery life exceeding 1000 tests
• Backlit LCD for clear readings in various lighting conditions

Technical details

• Continuity test current: 200 mA
• Insulation test voltages: 250 V, 500 V, 1000 V DC
• Open circuit voltage (Voc) range: 0 - 1000 V DC
• Short circuit current (Isc) range: 0 - 15 A DC
• DC power measurement (Pmax): up to 15 kW
• Performance at STC calculation: Yes
• Polarity check: Yes
• DC voltage measurement range: 0 - 1000 V DC
• AC voltage measurement range: 0 - 1000 V AC
• Display type: Backlit LCD
• Internal memory: Yes (for data logging)
• PC connectivity: USB
• Software included: Yes (for data analysis and report generation)
• Power supply: Rechargeable Li-ION battery
• Battery life: >1000 tests (typical)
• Operating temperature: 0°C to 40°C
• Protection rating: IP40

Our verdict

The HT Instruments PV-CHECKs One is a robust and versatile tester that covers all essential measurements for PV system verification. Its compliance with IEC/EN 62446-1 and high safety category make it a reliable choice for solar professionals.