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)
MS5908 Circuit Analyzer