- High performance electrical safety multi analyzer
- Supports AC/DC hipot (withstand-voltage) tests
- Measures insulation resistance (0.001 MΩ – 100 GΩ)
- Ground-bond / Earth continuity testing (0.001–0.6 Ω, 3–42 A)
- Leakage current measurement (1 µA – 100 mA)
- Partial discharge detection on selected models
- AC output up to 5 kV / 100 mA, DC output up to 7.2 kV / 13.9 mA
- Programmable test sequences for automated testing
- Digital interfaces: LAN, USB, RS‑232C for integration with test systems
- Compact, all in one solution for R&D, production QA, and certification testing
- Stable high-voltage output thanks to PWM amplifier design
TOS 9300 Series
Electrical Safety Multi-analyzer
The TOS9300 Series high performance electronic load is the successor to the highly respected PLZ-4W series, whilst still retaining the same high specification and build quality. Advances include a high visibility color display, low voltage operation from a minimum of 1 V to a maximum of 150 V. Programmable profiles of voltage/current can be applied (using the new ARB function, as used in LED/solar testing) in addition to the inherited 6 modes of operation: Constant Current, Constant Resistance, Constant Voltage, Constant Power, Constant Current + Constant Voltage, Constant Resistance + Constant Voltage.
Features
Key capabilities and advantages
Specification
Technical specifications and parameters
| TOS9300 | AC hipot + Insulation Resistance, AC 0–5 kV / 100 mA, DC 0–1000 V, insulation 0.001 MΩ–100 GΩ, multi-analyzer type, for electrical safety testing |
| TOS9301 | AC/DC hipot + Insulation Resistance, AC 0–5 kV / 100 mA, DC 0–7.2 kV / 13.9 mA, insulation 0.001 MΩ–100 GΩ, multi-analyzer type, for electrical safety testing |
| TOS9301PD | AC/DC hipot + Insulation Resistance + Partial Discharge, AC 0–5 kV / 100 mA, DC 0–7.2 kV / 13.9 mA, insulation 0.001 MΩ–100 GΩ, multi-analyzer type, for electrical safety testing |
| TOS9302 | AC hipot + Ground Bond, AC 0–5 kV / 100 mA, earth 0.001–0.6 Ω, 3–42 A, multi-analyzer type, for electrical safety testing |
| TOS9303 | AC/DC hipot + Insulation Resistance + Ground Bond, AC 0–5 kV / 100 mA, DC 0–7.2 kV / 13.9 mA, insulation 0.001 MΩ–100 GΩ, earth 0.001–0.6 Ω, multi-analyzer type, for electrical safety testing |
| TOS9303LC | AC/DC hipot + Insulation Resistance + Ground Bond + Leakage Current, AC 0–5 kV / 100 mA, DC 0–7.2 kV / 13.9 mA, insulation 0.001 MΩ–100 GΩ, earth 0.001–0.6 Ω, leakage 1 µA–100 mA, multi-analyzer type, for electrical safety testing |
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