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HPT Series High Voltage Hi-Pot Testers
The HPT Series are high-voltage hipot (withstand) testers designed for insulation integrity testing of cables, switchgear, transformers, capacitors, and electrical components.
These units provide precise AC/DC output, fast trip protection, adjustable ramp functions, and digital metering, making them ideal for routine maintenance, manufacturing QA, and field testing.
Key Features
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Available in AC, DC, or combined AC/DC configurations
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Adjustable voltage ramp-up/ramp-down for controlled testing
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Fast-acting overcurrent trip and insulation failure protection
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Digital display of output voltage, current, and leakage
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Zero-start safety interlock
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Stable regulated output for repeatable results
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Suitable for HV insulation testing across multiple equipment types
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Rugged, portable high-voltage test set for field or workshop use
Technical Specifications
| Parameter | Specification |
|---|---|
| Output Voltage Options | 5 kV, 10 kV, 20 kV, 30 kV, 50 kV (model-dependent) |
| Output Mode | AC / DC / AC+DC |
| Output Current | Up to 10 mA / 20 mA (model-dependent) |
| Voltage Control | Adjustable, with digital metering |
| Trip Level | Fast-acting overcurrent trip protection |
| Accuracy | ±1 % of reading |
| Display | Digital LCD/LED |
| Power Supply | 220 V AC ±10 %, 50 Hz |
| Operating Temp | –10 °C to +50 °C |
| Construction | High-voltage tank with control module |
| Weight | Varies by model (portable designs available) |
Standard Accessories
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HV output cable
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Ground cable
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Power cable
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Operating manual
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Certificate of calibration
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Protective transport case (for portable models)
Applications
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High-voltage insulation testing of:
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Power cables
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Switchgear
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Instrument transformers
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Capacitors & bushings
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Motors and generators
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Commissioning & routine maintenance
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Factory QA and acceptance testing
Optional Add-Ons
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Extended HV output leads
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External safety interlock switch
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Warning lamp tower
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Digital printer module
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Remote-control operation kit