HT Instruments I-V400W Photovoltaic Tester
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HT Instruments I-V400W is a photovoltaic I-V curve tracer for testing solar modules and strings (up to 1000V DC) with database of 30,000 module types.
Product details
| Model | I-V400W |
| Manufacturer | HT Instruments |
| Category | Power Analyzers |
| Availability | Made to order |
Description
Overview
The HT Instruments I-V400W is a portable photovoltaic tester designed for field analysis of solar modules and strings. It measures and records I-V characteristic curves and key parameters to evaluate photovoltaic system performance against manufacturer specifications. With support for voltages up to 1000V DC and currents up to 10A, it can test both individual modules and complete string arrays. The integrated database contains 30,000 PV module curve types for automatic compliance evaluation and troubleshooting.
Key Features
- Immediate I-V curve acquisition and characteristic parameter analysis
- Automatic compliance evaluation against rated module data (OK/NO result)
- Database of 30,000 PV module curve types with online update via software
- Voc and Isc measurement with series resistance analysis
- 4-terminal measurement method for accurate testing with extended cables
- Built-in irradiance measurement with reference cell HT304N
- Temperature measurement—automatic or via PT300N probe
- Numerical and graphical I-V curve display on instrument
- Mechanical inclinometer for solar irradiation incidence angle
- Wi-Fi connectivity for remote measurements and data transfer
- Internal memory for storing measurement results with recall capability
Applications
- Photovoltaic module and string acceptance testing
- Solar system commissioning and performance verification
- Fault diagnosis and problem location in PV installations
- Performance degradation assessment and module comparison
- Remote solar plant monitoring with Wi-Fi connectivity
Specifications
| Maximum Voltage | 1000V DC |
| Maximum Current | 10A DC |
| PV Module Database | 30,000 module curve types |
| Measurement Method | 4-terminal |
| Voc Measurement | Yes |
| Isc Measurement | Yes |
| I-V Curve Display | Numerical and graphical |
| Series Resistance Measurement | Yes |
| Temperature Probe | PT300N (optional) |
| Irradiance Sensor | HT304N reference cell |
| Compliance Testing | Automatic OK/NO evaluation vs. rated data |
| Connectivity | Optical/USB, Wi-Fi |
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HT Instruments I-V400W Photovoltaic Tester
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