ONS9900 Hipot Tester
ONS9900 Hipot Tester

ONS9900 Hipot Tester

ONS9900 Series AC and DC Insulation Withstand Voltage Tester

Manufacturer: ONsys Technologies OPC Pvt. Ltd.

The ONS9900 series withstand voltage tester is mainly used to detect the safety performance of instruments, equipment, and components. These AC and DC voltage insulation testers are high-performance testers built with advanced technology, offering precise voltage output and superior safety protection.

Overview

  • ONS9901 – Single Channel High Voltage Tester
  • ONS9904 – 4-Channel High Voltage Scanning Tester
  • ONS9908 – 8-Channel High Voltage Scanning Tester
  • Test Function: AC / DC / IR
  • Display: Large LCD (240 × 64 resolution)
  • Data Storage: 99 steps / 99 groups (max 500 steps)
  • Ground Connection Test (Optional)
  • Electric Shock Protection with Earth Fault Detection

Output Specifications

AC Output

Parameter Specification
Voltage Range 0.05V – 5000V
Current Range 0 – 30mA
Accuracy 1% ± 5 counts
Frequency 50 / 60Hz
Power Max 150VA

DC Output

Parameter Specification
Voltage Range 0.05V – 6000V
Current Range Up to 10mA
Accuracy 1% ± 5 counts
Power Max 60VA

Insulation Resistance (IR)

Parameter Specification
Voltage Range DC 0.05V – 1000V
Measurement Range 1MΩ – 50GΩ
Display Accuracy 0.1MΩ
Accuracy ±5% to ±15% depending on range

General Specifications

Parameter Details
Operating Temperature 0°C – 40°C (≤ 90% RH)
Input Voltage 100–120Vac / 198–242Vac
Frequency 47.5Hz – 63Hz
Power Consumption ≤ 150VA
Dimensions (W×H×D) 330mm × 110mm × 420mm
Weight Approx. 20 kg

Protection & Safety Features

The ONS9900 Series includes advanced safety mechanisms such as rapid cut-off time (0.4ms after NG detection), fast discharge time (0.2 seconds), and ground failure protection starting at 0.5mA ±0.25mA AC.

Good Product: Short tone with green light indication.
Bad Product: Long tone with red light indication.

Accessories Included

  • ONS90001R High Voltage Test Line (One per channel)
  • ONS90001B Ground Line Power Cable