True RMS
Measures hot, neutral and group conductor impedances
Identifies proper wiring 3-wire receptacles
Tests RCD for prope

Circuit analyzer

MS5908 Circuit Tester

MS5908 Circuit Analyzer to identify wiring problems that can lead to personal shock hazards, electrical fires, or equipment performance issues.

Features

True RMS

Measures voltage: line, group to neutral, peak, frequency

Measures hot, neutral and group conductor impedances

Identifies proper wiring 3-wire receptacles

Tests RCD for proper operation

Tests GFCI for proper operation

Specifications

Measurement          Ranges        Resolution          Accuracy

Line Voltage       85.0~ 265.0V        0.1V           ±(1.0%+0.2V)

Neutral-Group V    0.0~ 10.0V          0.1V           ±(2.5%+0.2V)

Peak Line Voltage  121.0~ 374.0V       0.1V           ±(1.0%+0.2V)

Frequency          45.0~ 65.0Hz        0.1Hz          ±(1.0%+0.2Hz)

% Voltage Drop     0.1%~99.9%          0.1%           ±(2.5%+0.2%)

Voltage loaded     10.0~ 265.0V        0.1V           ±(2.5%+0.2V)

Impedance – Hot    0.00~ 3.00Ω       0.01Ω          ±(2.5%+0.02Ω)

Neutral&Group       >3.00Ω                             unspecified

RCD Trip Time      1ms~6.500s          1ms            ±(1.0%+2ms)

RCD Trip Current      30mA             0.1mA           ±(1.0%+0.2mA)

GFCI Trip Time      1ms~6.500s          1ms            ±(1.0%+2ms)

GFCI Trip Current      6mA             0.1mA           ±(1.0%+0.2mA)