Major Tech MT770 1000A AC True RMS Clamp Meter





CAT IV 600V and CAT III 1000V
6000 count backlit LCD display
Ø33mm Cable Clamp size
Measurement of DC voltage and AC voltage up to 1000V
Capacitance to 100mF
Temperature measurement from -20°C to 1000°C
INRUSH Current Measurements
VFD to Variable Frequency Drive voltage value
LoZ to Low impedance mode prevents false readings due to €œGhost€ voltage
NCV to Non-Contact Voltage Detector
Built-In Flashlight
Continuity buzzer and Diode Test
Peak Mode and Data Hold function
Auto Power Off

$196.90 inc. GST

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Major Tech MT770 1000A AC True RMS Clamp Meter

SKU MT770 Category


The MT770 is a CAT IV 600V, 6000 count True RMS 1000A AC digital clamp meter with indication on a large backlit LCD display, providing fast sampling time with high accuracy. The meter measures 1000V AC/DC, temperature, frequency, capacitance and resistance measurements, plus 100ms Inrush current and Peak Voltage value. The VFD function allows the user to measure stable voltage in high frequency applications of Variable Frequency Drives, while the Low Z range function has a low pass filter to eliminate errors caused by “Ghost” voltages. Added features include Relative mode for Capacitance Zero and DCV, ACV and ACA offset adjustment, Non-Contact voltage detection, Data hold function and a built-in flashlight for dimly lit areas. Housed in a modern double moulded 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 g
Dimensions 30 × 20 × 10 mm


Function Range Resolution Accuracy
AC Current 600.00A – 1000.0A 10mA ±(2.5% + 8 Digits)
DC Voltage 600.0mV – 1000V 1mV ±(1.5% + 2 Digits)
AC Voltage 6.000V – 1000V 1mV ±(1.5% + 5 Digits)
Resistance 600.0Ω – 60.00MΩ 0.1Ω ±(1.5% + 2 Digits)
Frequency 9.999Hz – 99.99kHz 0.01Hz ±(1.2% + 5 Digits)
Capacitance 60.00nF – 100.0mF 0.01nF ±(3.0% + 5 Digits)
Temperature -20 to 1000°C 0.1°C ±(5.0% + 3°C Digits)
Duty Cycle 10.0% to 90.0% 0.001 ±(1.2% + 2 Digits)
True RMS Measurements ACV, ACA
AC Bandwidth 50 – 400Hz
Digital Display 6000
Non-Contact Voltage (NCV) Yes
Overrange Indication Yes
Continuity Yes
Diode Test Yes
Jaw Size 33mm
Input Impedance >10MΩ DCV & >10MΩ VAC
Low Frequency Input Yes
Min Max Yes
Peak Hold Yes
Data Hold Yes
Back Light Yes
Enclosure Double injection moulding
Low Battery Indication Yes
Batteries 3 x AAA
Weight 350g
Dimensions 250 x 70 x 40mm
Safety Specs IEC61010-1 CAT IV 600V
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