Exhibitor Products

Seaward PV1525IV Solar PV Installation Tester – Detailed Product Description

The Seaward PV1525IV Solar PV Installation Tester is a next‑generation, all‑in‑one solution designed for professional solar PV installers and O&M engineers working on modern high‑voltage systems. Engineered for accuracy, speed and ease of use, it combines comprehensive electrical safety testing with advanced performance analysis, including integrated IV curve tracing, making it ideal for commissioning, verification and maintenance of PV installations up to 1500V DC.

Advanced High‑Voltage PV Testing

The PV1525IV supports electrical safety testing and performance measurement on systems up to 1500V DC and 25A, enabling safe and reliable testing across both residential and commercial PV installations. It performs essential installation tests including open circuit voltage (Voc), short circuit current (Isc), insulation resistance and continuity, ensuring full system verification in line with industry requirements.

Integrated IV Curve Analysis

A key differentiator of the PV1525IV model is its on‑screen IV curve display, providing detailed insight into the performance of PV strings. This allows engineers to identify faults, degradation and performance issues quickly, supporting more accurate commissioning and ongoing system diagnostics

Efficient, Single‑Tool Operation

Designed to streamline workflows, the tester enables one‑touch measurement of key parameters such as Voc and Isc, reducing test time and simplifying operation. Its ability to perform multiple tests without the need for separate instruments improves efficiency on site and minimises setup complexity.

User‑Friendly Interface and Guided Testing

The PV1525IV features an intuitive colour display with illuminated function buttons, delivering clear on‑screen guidance throughout the testing process. This ensures ease of use for both experienced engineers and those newer to PV testing, helping reduce errors and improve productivity. 

Smart Data Management and Connectivity

With Bluetooth connectivity, the tester allows seamless transfer of test results to a mobile app for review, reporting and further analysis. Results can also be stored internally (up to 999 test records) and exported via CSV, supporting efficient documentation and compliance reporting. Firmware updates can be applied wirelessly, ensuring the device remains up to date with the latest features. 

Flexible Testing and Diagnostics

The PV1525IV includes a manual diagnostic mode for advanced fault finding, giving engineers greater control when investigating system issues. It also supports tagging of test results with installation‑specific data, making record keeping more organised and traceable. 

Built for Modern PV Installations

Designed with today’s solar systems in mind, the PV1525IV offers:

• 1500V DC insulation resistance testing capability
• High current measurement for PV strings
• Compatibility with external tools such as the Solar Survey 200R for environmental data collection
• Robust, field‑ready construction for demanding on‑site environments 

Key Benefits

• All‑in‑one tester reduces the need for multiple instruments
• Faster testing workflows with one‑touch measurements
• Improved fault detection through IV curve analysis
• Enhanced reporting and compliance with digital data capture
• Future‑ready for high‑voltage PV systems up to 1500V DC