HT Instruments Neptune Installation Tester 1kV CAT IV, 600V 1010830

Electricians and maintenance technicians rely on the HT Instruments Neptune for comprehensive verification of electrical installations in residential, commercial, and industrial settings. This multifunction tester measures insulation resistance up to 1000V, continuity, loop impedance, and RCD trip times, ensuring compliance with safety standards.

Key specifications

• Insulation test voltages: 50V, 100V, 250V, 500V, 1000V DC
• Insulation resistance range: 0.01 MΩ to 2 GΩ
• Continuity test current: 200 mA, range 0.01 Ω to 99.9 Ω
• Loop impedance measurement: L-PE, L-N (high current and no-trip RCD mode)
• RCD testing: types AC, A, F, B, B+; currents 10mA to 1000mA
• Voltage measurement: 0 to 600V AC/DC; frequency 40 to 500 Hz
• Phase sequence detection and earth resistance (2-pole, 3-pole with optional accessory)
• Safety rating: CAT IV 600V, CAT III 1000V
• Color graphic LCD, internal memory, USB and Bluetooth connectivity
• Powered by rechargeable NiMH AA batteries

Why choose it

The Neptune combines all essential installation tests in one portable instrument, reducing the need for multiple devices. Its high safety category and wide measurement ranges make it suitable for demanding environments, while data logging and wireless connectivity streamline reporting.

Ideal use cases

• Verification of new electrical installations to IEC/EN 61557 standards
• Periodic inspection and testing of existing installations
• Troubleshooting RCD trips and insulation faults
• Testing in industrial plants with high-energy circuits

Good to know

The instrument's rechargeable batteries ensure long-term cost savings and reduced waste. Its IP40 rating indicates protection against solid objects larger than 1mm, making it suitable for indoor use.