NEPTUNE is a mix of technology including an instrument for electrical safety testing (insulation up to 1000V and continuity with 200mA), a Harmonics analyzer and a TRMS multimeter.

Technical Specifications DC voltage Measuring range: 0.0V ÷ 999.9V Resolution: 0.1V Accuracy: ±(0.5%reading + 2digits) AC TRMS, DC, AC+DC TRMS, LoZ voltage Measuring range: 0.5V ÷ 999.9V Resolution: 0.1V Frequency range: 32Hz ÷ 1kHz Accuracy: ±(0.5%reading + 2digits) AC TRMS current with flexible clamp F3000U Measuring range: 1A ÷ 3000A Basic resolution: 0.01A Accuracy: ±(0.5%reading + 2digits) AC TRMS, DC, AC+DC TRMS current with standard clamp Measuring range: 1mV ÷ 1000mV Resolution: 1mV Accuracy: ±(0.5%reading + 2digits) Inrush current (DIRC) - Flexible clamp F3000U Measuring range: 1A ÷ 3000A Basic resolution: 0.01A Frequency range: 42.5Hz ÷ 69Hz Accuracy: ±(2.0%reading + 2digits) Response time of peak: 1ms Max RMS response time: 16.6ms, 20ms, 50ms, 100ms, 150ms, 175ms, 200ms Inrush current (DIRC) - Standard clamp Measuring range: 1mV ÷ 1000mV Resolution: 1mV Frequency range: 42.5Hz ÷ 69Hz Accuracy: ±(2.0%reading + 2digits) Response time of peak: 1ms Max RMS response time: 16.6ms, 20ms, 50ms, 100ms, 150ms, 175ms, 200ms Resistance and Continuity test Measuring range: 0.0Ω ÷ 1999Ω Basic resolution: 0.1Ω Accuracy: ±(1.0%reading + 5digits) Buzzer test: R<30Ω Voltage / Current harmonics Harmonic order: DC, 1st ÷ 25th + THD% Frequency range: 42.5Hz ÷ 69Hz Resolution: 0.1V / 0.1A Basic accuracy: ±(5.0%rdg + 10digits) Phase sequence with 1 terminal Measuring range: 100V ÷ 999.9V Frequency range: 42.5Hz ÷ 69H