601A910

PV:1525 Series

A new dawn of optimal PV testing

The PV:1525 Series redefines photovoltaic (PV) system testing, bringing together advanced functionality in a compact, handheld design.

Built for PV installers and O&M engineers, it delivers essential safety and commissioning tests for PV systems up to 1500V DC and up to 25A, combining portability, ease of use, and streamlined data management in the field. With the PV:1525-IV, the Series also adds advanced IV curve tracing for deeper performance verification.

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Core System Testing

Essential PV tests up to 1500V DC and 25A, made simple.

IV Curve Analysis

Verify performance and identify faults with IV tracing.

Effortless Usability

An intuitive interface streamlines testing and reduces setup time.

Built for Rooftops

Compact, portable, and ready for rooftop conditions.

Smarter PV Testing Starts Here.

In today’s solar industry, fast, accurate testing and efficient workflows are essential. The PV:1525 Series is built to meet these demands, simplifying field testing while delivering reliable, consistent results, helping installers work smarter, not harder.

Designed for residential and commercial rooftop PV installers and O&M engineers, the Series supports commissioning, troubleshooting, and maintenance across systems up to 1500 V DC and 25 A. It combines essential electrical safety tests, including insulation resistance, continuity, open circuit voltage, and short circuit current, in one streamlined workflow.

With the addition of the PV:1525-IV, the Series also enables advanced IV curve analysis, giving users deeper insight into system performance and helping identify issues beyond basic commissioning.

Compact, intuitive, and built for real-world conditions, the PV:1525 Series supports efficient on-site testing, with Bluetooth connectivity to the PV:Mobile App for fast, seamless data capture and reporting.

PV:1525 Series in Action: GGRS Energie Case Study

PV:1525 - Fast, Reliable PV Testing

The PV:1525 series delivers comprehensive system testing for both safety and performance, including Ground Continuity, Insulation Resistance, Open Circuit Voltage and Short Circuit measurements

Featuring an innovative new user interface, it delivers intuitive, easy operation while introducing enhanced features designed for modern test applications. Users can tag test results with installation-specific details, simplifying data management and improving traceability.

With built-in Bluetooth connectivity, results can be seamlessly transferred to a mobile app for review and synchronisation with software, And with over the air updates, you can ensure your device stays updated with the latest features.

PV:1525-IV – Advanced Performance Verification

The PV:1525-IV builds on core system testing, adding advanced IV curve analysis to validate system performance and identify faults that standard testing may miss.

Designed for deeper insight, it enables installers and engineers to compare expected and actual output, supporting more accurate diagnostics, faster fault finding, and greater confidence in system quality.

With on-screen curve visualisation, users can quickly assess system behaviour and verify results with confidence. This helps highlight performance issues early and supports more informed decisions on site.

Compare the PV:1525 Series

Key Features	PV:1525	PV:1525-IV
Kit Part Number	601A910	601A915
Intuitive menu navigation and colour display	✓	✓
Illuminated function buttons for guided navigation and testing	✓	✓
Preprogrammed auto test sequences for standard-compliant electrical safety testing	✓	✓
Manual mode for diagnostic testing	✓	✓
Open-circuit voltage and voltage measurement	✓	✓
Short-circuit current measurement	✓	✓
Earth continuity / resistance measurement	✓	✓
Insulation resistance measurement	✓	✓
Operating power measurement with PV:1500 Clamp	✓	✓
Graphical IV curve trace displayed on screen	✕	✓
Maximum power point and fill factor calculation	✕	✓
Internal memory with structured measurement data storage	✓	✓
Bluetooth® data transfer to PV:Sync Mobile app	✓	✓
Report generation and management via PV:Sync Mobile app and SolarCert software	✓	✓
Wireless firmware updates via the PV:Sync Mobile app	✓	✓

PV:1525 Series Unboxing | Full Kit Breakdown

What's included in the Kit?

PV:1525 instrument
Set of 4 mm test probes with alligator clips
Set of instrument to MC4 test leads
Rechargeable battery pack
Battery charging cradle
PV:1500 Clamp Meter
SS:200LR Irradiance Meter with clamping bracket
Carry case
SolarCert software license
Calibration certificate

PV:1525 Kit Part Number: 601A910
PV:1525-IV Kit Part Number: 601A915

PV:Sync Mobile – Smarter Data, Seamless Workflow

PV:Sync Mobile is the companion app for the PV:1525 Series, enabling fast wireless transfer of test results for instant review and reporting.

Create and share reports directly from your device, with full traceability and custom branding, without the need for a laptop.

Store and organise results by site, system, and asset, making it easy to manage projects and retrieve data.

Designed to reduce admin and keep you moving on site, it helps you complete testing and reporting in one seamless workflow.

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Technical Specifications

Open Circuit Voltage Measurement (PV Terminals)
Display Range	+10.0 VDC … +1500 VDC / –10.0 VDC … –440 VDC 10.0 VAC … 440 VAC
Measuring Range	+10.0 VDC … +1500 VDC / –10.0 VDC … –440 VDC 10.0 VAC … 440 VAC
Resolution	0.1VDC maximum
Accuracy	for +DC: ± (0.5 % + 2 digits) for –DC and AC: ± (5 % + 2 digits)

Short Circuit Current Measurement (PV Terminals)
Display Range	0.00ADC - 25.00ADC
Measuring Range	0.50ADC - 25.00ADC
Maximum Power	37.5kW
Resolution	0.01 ADC maximum
Accuracy	± (1 % + 2 digits)

Earth Continuity / Resistance Measurement (4mm Terminals)
Test Voltage Open Circuit	>4VDC, nominal
Test Current into 2Ω	>200mA
Display Range	0.00Ω - 199Ω
Measuring Range (EN 61557-4)	0.05Ω - 199Ω
Resolution	0.01Ω maximum
Test Leads Zero	Zero up to 10Ω
Visible Warning	≥30V AC or DC at inputs
Circuitry Protection	Test inhibited if ≥30V AC or DC at inputs
Repeat tests as per IEC61557-4	Approx 4000 1 second tests
Accuracy	0.05 Ω … 0.09 Ω ± (2 % + 1 digit) 0.10 Ω … 0.19 Ω ± (2 % + 2 digits) 0.20 Ω … 1.99 Ω ± (2 % + 3 digits) 2.0 Ω … 4.9 Ω ± (2 % + 2 digits) 5.0 Ω … 199 Ω ± (2 % + 5 digits)

Insulation Resistance Measurement (4mm Terminals)
Test Voltage Open Circuit	250, 500, 1000, 1500V (as per IEC61557-2)
Test Current Short Circuit	< 2mA
Display Range	0.05 MΩ - 999 MΩ
Measuring Range (EN61557-2)	250 V / 500 V string mode: 0.05 MΩ … 200 MΩ 1 kV / 1.5 kV string mode: 0.05 MΩ … 999 MΩ 250 V point to point: 0.05 MΩ … 300 MΩ 500 V point to point: 0.05 MΩ … 500 MΩ 1 kV / 1.5 kV point to point: 0.05 MΩ … 999 MΩ
Resistance resolution	0.01 MΩ for 0.05 MΩ … 1.99 MΩ 0.1 MΩ for 2.0 MΩ … 19.9 MΩ 1 MΩ for 20 MΩ … 999 MΩ
Visible Warning	≥30V AC or DC at inputs
Circuitry Protection	Test inhibited if ≥30V AC or DC at inputs
Repeat tests as per IEC61557-4	Approx 4000 1 second tests
Test voltage specification	–0 % +20 % (open-circuit)
Test voltage at 1 mA	> 1 mA into Un × (1000 Ω/V) (as per IEC 61557-2)
Resistance accuracy	±(5 % + 1 digit) for 0.05 MΩ … 0.19 MΩ ±(5 % + 3 digit) for 0.20 MΩ … 1.99 MΩ ±(5 % + 2 digit) for 2.0 MΩ … 5.0 MΩ ±(5 % + 5 digit) for 5.1 MΩ … 99 MΩ ±(10 % + 5 digit) for > 99 MΩ
Insulation voltage resolution	1 V
Insulation voltage accuracy	±(2 % + 2 counts)
Maximum system capacitance	2 μF

Operating Current (Wireless via PV:1500 Clamp)
Display Range	0.1A - 400.0A DC
Current Measuring Range	0.1A 400A DC
Resolution	0.1 A
Accuracy	± (5 % + 2 digits)

Operating Power (PV Terminals & wireless using PV:1500 Clamp)
Display Range	0.00kW - 600kW
Measuring Range	0.50kW - 600kW
Resolution	0.01kW
Accuracy	± (6 % + 2 digits)

General Specification
Weight	1kg / 2.2lb
Dimensions	265 x 115 x 78 mm 10.4 x 4.6 x 3.1 in
Display	3.5in Colour display with Backlight
Power Source	11.55V 2930mAH LiPo Battery (rechargeable)
Auto Power Down	User Configurable
Onboard Memory	1000 Slots
Display resolution	480 × 320 pixels
Display FOV	70° left to right 60° top to bottom

Maximum Power – String Test
String test maximum power rating	37.5 kW* at panel efficiency ≤ 19 % 25 kW* at panel efficiency > 19 %
Voltage	up to 1500 VDC
Current	up to 25 ADC

IV Curve (PV:1525-IV only)
Minimum number of test points	20
IV curve maximum power rating	37.5 kW* at panel efficiency ≤ 19 % 20 kW* at panel efficiency > 19 %
Voltage	up to 1500 VDC
Current	up to 25 ADC

Open Circuit Voltage Measurement (PV Terminals)
Display Range	+10.0 VDC … +1500 VDC / –10.0 VDC … –440 VDC 10.0 VAC … 440 VAC
Measuring Range	+10.0 VDC … +1500 VDC / –10.0 VDC … –440 VDC 10.0 VAC … 440 VAC
Resolution	0.1VDC maximum
Accuracy	for +DC: ± (0.5 % + 2 digits) for –DC and AC: ± (5 % + 2 digits)

Short Circuit Current Measurement (PV Terminals)
Display Range	0.00ADC - 25.00ADC
Measuring Range	0.50ADC - 25.00ADC
Maximum Power	37.5kW
Resolution	0.01 ADC maximum
Accuracy	± (1 % + 2 digits)

Earth Continuity / Resistance Measurement (4mm Terminals)
Test Voltage Open Circuit	>4VDC, nominal
Test Current into 2Ω	>200mA
Display Range	0.00Ω - 199Ω
Measuring Range (EN 61557-4)	0.05Ω - 199Ω
Resolution	0.01Ω maximum
Test Leads Zero	Zero up to 10Ω
Visible Warning	≥30V AC or DC at inputs
Circuitry Protection	Test inhibited if ≥30V AC or DC at inputs
Repeat tests as per IEC61557-4	Approx 4000 1 second tests
Accuracy	0.05 Ω … 0.09 Ω ± (2 % + 1 digit) 0.10 Ω … 0.19 Ω ± (2 % + 2 digits) 0.20 Ω … 1.99 Ω ± (2 % + 3 digits) 2.0 Ω … 4.9 Ω ± (2 % + 2 digits) 5.0 Ω … 199 Ω ± (2 % + 5 digits)

Insulation Resistance Measurement (4mm Terminals)
Test Voltage Open Circuit	250, 500, 1000, 1500V (as per IEC61557-2)
Test Current Short Circuit	< 2mA
Display Range	0.05 MΩ - 999 MΩ
Measuring Range (EN61557-2)	250 V / 500 V string mode: 0.05 MΩ … 200 MΩ 1 kV / 1.5 kV string mode: 0.05 MΩ … 999 MΩ 250 V point to point: 0.05 MΩ … 300 MΩ 500 V point to point: 0.05 MΩ … 500 MΩ 1 kV / 1.5 kV point to point: 0.05 MΩ … 999 MΩ
Resistance resolution	0.01 MΩ for 0.05 MΩ … 1.99 MΩ 0.1 MΩ for 2.0 MΩ … 19.9 MΩ 1 MΩ for 20 MΩ … 999 MΩ
Visible Warning	≥30V AC or DC at inputs
Circuitry Protection	Test inhibited if ≥30V AC or DC at inputs
Repeat tests as per IEC61557-4	Approx 4000 1 second tests
Test voltage specification	–0 % +20 % (open-circuit)
Test voltage at 1 mA	> 1 mA into Un × (1000 Ω/V) (as per IEC 61557-2)
Resistance accuracy	±(5 % + 1 digit) for 0.05 MΩ … 0.19 MΩ ±(5 % + 3 digit) for 0.20 MΩ … 1.99 MΩ ±(5 % + 2 digit) for 2.0 MΩ … 5.0 MΩ ±(5 % + 5 digit) for 5.1 MΩ … 99 MΩ ±(10 % + 5 digit) for > 99 MΩ
Insulation voltage resolution	1 V
Insulation voltage accuracy	±(2 % + 2 counts)
Maximum system capacitance	2 μF

Operating Current (Wireless via PV:1500 Clamp)
Display Range	0.1A - 400.0A DC
Current Measuring Range	0.1A 400A DC
Resolution	0.1 A
Accuracy	± (5 % + 2 digits)

Operating Power (PV Terminals & wireless using PV:1500 Clamp)
Display Range	0.00kW - 600kW
Measuring Range	0.50kW - 600kW
Resolution	0.01kW
Accuracy	± (6 % + 2 digits)

General Specification
Weight	1kg / 2.2lb
Dimensions	265 x 115 x 78 mm 10.4 x 4.6 x 3.1 in
Display	3.5in Colour display with Backlight
Power Source	11.55V 2930mAH LiPo Battery (rechargeable)
Auto Power Down	User Configurable
Onboard Memory	1000 Slots
Display resolution	480 × 320 pixels
Display FOV	70° left to right 60° top to bottom

Maximum Power – String Test
String test maximum power rating	37.5 kW* at panel efficiency ≤ 19 % 25 kW* at panel efficiency > 19 %
Voltage	up to 1500 VDC
Current	up to 25 ADC

IV Curve (PV:1525-IV only)
Minimum number of test points	20
IV curve maximum power rating	37.5 kW* at panel efficiency ≤ 19 % 20 kW* at panel efficiency > 19 %
Voltage	up to 1500 VDC
Current	up to 25 ADC