Sonel MPI 540

The Sonel MPI 540 is a professional-grade PV solar installation tester designed for accurate and reliable testing of photovoltaic (PV) systems. Ideal for solar installers, maintenance teams, and inspection professionals, this versatile tester ensures proper installation, safety, and performance verification of solar panels and arrays.

Equipped with advanced measurement capabilities, the MPI 540 allows users to assess key parameters such as insulation resistance, voltage, current, continuity, and earth resistance. It also supports comprehensive testing of DC and AC circuits in PV systems, helping detect faults, prevent energy loss, and ensure compliance with international safety standards.

Key features:

Accurate testing of insulation resistance, continuity, and earth resistance for PV installations
Measurement of DC voltage and current for solar panels and arrays
Detection of wiring faults, short circuits, and connection errors
Portable and rugged design for field use, with a clear digital display and intuitive interface
Compliance with IEC/EN standards for photovoltaic systems and electrical safety
Optional data logging and reporting functionality for professional documentation

Whether used for new solar installations, maintenance inspections, or troubleshooting, the Sonel MPI 540 provides fast, precise, and reliable measurements, helping solar professionals ensure system efficiency, safety, and longevity.

Specifications

1. Electrical Measurement Capabilities

Insulation Resistance Measurement: 0.01 MΩ – 2000 MΩ
Test Voltages: 50 V, 100 V, 250 V, 500 V, 1000 V DC
Continuity Measurement: 0.01 Ω – 200 Ω
Earth Resistance Measurement: 0.01 Ω – 2000 Ω
DC Voltage Measurement: 0 – 1000 V DC
DC Current Measurement: 0 – 10 A
AC Voltage/Current (optional modules): 0 – 1000 V / 0 – 10 A

2. Measurement Functions

PV string testing (series/parallel arrays)
Fault detection for wiring errors and short circuits
Verification of protective grounding and earthing
Automatic and manual test modes
Data logging and result storage (optional, via software)

3. Display & Interface

Large digital backlit display for clear readings
Intuitive user interface with menu navigation
LED indicators for status, errors, and safety alerts
Built-in memory for test results (optional)

4. Safety & Compliance

Overvoltage and overload protection
Test category: CAT IV 600 V / CAT III 1000 V
Compliant with IEC 61557, IEC 62446, and EN standards for PV systems
Insulated and rugged housing for field safety

5. Physical & Environmental

Dimensions: 280 × 160 × 95 mm
Weight: ~2.5 kg
Operating Temperature: -10°C to +50°C
Storage Temperature: -20°C to +70°C
Humidity: 0 – 95% non-condensing
Housing: Rugged, impact-resistant, portable design

6. Accessories

Test leads and clamps for DC/AC measurement
Earth spike and auxiliary probes
Carrying case for portability
User manual and calibration certificate
Optional software for data analysis and reporting

Solar PV Installation Tester

Sonel MPI 540 For Sale