Major Tech MT350 Loop Impedance and PSC Tester

CAT IV 600V and CAT III 1000V
Custom microprocessor controlled for highest accuracy and reliability
Loop impedance of 2000Ω range measurement is carried out with low test current (15mA)
Automatic Lock-Out if Test Resistor Overheats
Direct readout of Prospective Short Circuit Current and Earth Fault Current
Measures low loop impedance of 0.01Ω
3 LED’s for checking correct wiring status
Safe voltage measurement function
Visual indication of reversed phase and neutral at wiring socket
Double injection rubber housing

$341.00 inc. GST

UPC 6008229008085
SKU MT350 Category
Sparky Tools


The MT350 is a handheld microprocessor controlled Loop Impedance and PSC Tester, which includes 3 loop impedance measuring ranges capable of measurements from any point in the installation for comprehensive testing of distribution systems. The MT350 gives a direct readout of PSC and earth fault current to a maximum of 20kA in 3 measuring ranges. Other features include 3 LED’s for checking the correct wiring status of the circuit under test and the automatic lockout if the resistors overheat. The meter is supplied in double injection rubber housing.


Major Tech

Major Tech (Pty) Ltd was established in 1992, with a vision and mission of being the brand of choice, by consistently pushing the benchmark with innovative, high quality product developments, providing unparalleled service excellence and exceeding all expectations. The founder of Major Tech, comes with a vast knowledge and over 30 years of hands-on experience in the electrical industry and is the driving force behind the vision of the company. Being a values-based organisation, every decision and undertaking is underpinned by their core values.
Major Tech

Additional information

Weight .8 kg
Dimensions 30 × 20 × 10 mm


Function Range Resolution Accuracy
Loop Range 20,200,2000Ω 0.01Ω ±(2% + 5 Digits)
PSC/PFC 2000A/20KA 0.1A ±(2% of F.S + 5 Digits)
Voltage 50-255V ±(2% of F.S + 5 Digits)
Frequency Response 50Hz
Test Current 25A
Display LCD
Enclosure  Double injection moulded case
Low battery indication Yes
Power Source 6 x AA
Weight 700g
Dimensions 200 x 92 x 50mm
Safety Specs IEC61010-1 CAT III 600V


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