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NEPTUNE - Insulation and Continuity professional multimeter

NEPTUNE - Insulation and Continuity professional multimeter

HR000NEP

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  • 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.

  • Insulation: for extra safety. I measure Insulation Resistance up to 1000V and I evaluate the values of parameters PI and DAR, which are very useful for diagnostic purposes of materials in appliances undergoing long lasting monitoring.


Continuity of protective conductors with 200mA. I check the continuity of protective and equipotential conductors (PE) with a test current of 200mA. I carry out tests between earth poles of all plug sockets and on the earth node. I check continuity of the main external masses like water or gas pipes and earth node.

I measure voltage accurately. I measure AC/DC voltage with a “low impedance input” (LoZ) in order to eliminate incorrect readings due to stray voltages because of parasitic capacitive coupling.

Harmonics. An open book to me. I measure THD% and values of voltage and current harmonics, expressed both in absolute and in percentage value I have H20 function (Higher Harmonic Ordering), which orders harmonics by amplitude, immediately displaying the values of the highest harmonics found in the system with no need to “scroll down” all harmonics in order to identify the highest values

Functions
TRMS  
Measuring counts 10000
DC/AC TRMS voltage up to 1000V 1000V / AC+DC
DC, AC TRMS, AC+DC TRMS current by means of external clamp transducer  
AC TRMS current by means of external flexible transducer F3000U  
Leakage current with optional clamp meter  
Electric motor starting current (INRUSH)  
Insulation with voltage 50, 100, 250, 500, 1000VDC According to IEC/EN61557-2
Continuity of protective circuit with 200mA According to IEC/EN61557-4
Voltage and current harmonics up to the 25th and THD%  
LoZ Input  
Frequency  
Phase sequence  
Out come OK/NOT OK According to IEC/EN60364-6
Resistance and continuity test with buzzer  
Bargraph  
Backlit LCD display  
MAX/MIN/HOLD  
Measurement category CAT IV 600V / CAT III 1000V
Weight in grams (batteries included) 420
Size (L x W x H) 175x85x55

Current measurement. I measure AC/DC current through the external clamp transducer of type “Standard” or “Flexible” up to 3000A I can also measure leakage current starting from 1mA through the optional clamp transducer HT96U I measure inrush currents of electric motors and loads through DIRC function which allows measuring inrush currents with user-defined time frames. I use function AC+DC to detect a possible presence of overlapping direct components on a generic alternating current.

Guidelines
CEI 64-8
IEC/EN61010-1
IEC/EN61010-2-030
IEC/EN61010-2-033
IEC/EN61326-1
IEC/EN61557-1
IEC/EN61557-2
IEC/EN61557-4
IEC/EN61557-7
UNE20460