SKU: MT790

1000A AC Power Clamp Meter

$329.00 ex. GST
$361.90 inc. GST

  • CAT IV 600V and CAT III 1000V
  • True RMS Clamp Meter, Power Meter and Digital Multimeter
  • AC Voltage 750V
  • AC Current 1000A
  • Frequency 200Hz
  • Temperature -50 to 1300˚C
  • Active Power 40A-1000A
  • Apparent Power 40A-1000A
  • Reactive Power 40A-1000A
  • Power Factor 0.3-1 cap or ind
  • Phase Angle 0°-90°
  • Active Energy 1-9999kWh
  • Ø55mm Clamp Size
  • USB interface for PC connection for Data Log Function
  • Analysis for single phase and balanced three phase system.
  • Manual data memory
  • MIN/MAX and Data Hold
  • Auto Power Off
  • Complete with Colour Coded Test Leads
  • Manually Store/Recall up to 99 Data Logs
  • Large Dual LCD Display with 9999 Count and Bargraph

The MT790 1000A AC Power Clamp Meter measures Single and 3-Phase Power. This power Clamp meter operates as a True RMS Clamp Meter, Power Meter, Multimeter and AC Voltage Detector. Measuring ranges include AC Current, Voltage, Frequency and Power including True Power, Apparent Power, Reactive Power and Active Power. Measures 1-Phase and balanced 3-Phase True Power (kW), Apparent Power (kVA), Reactive Power (kVAR) and Active Power (kWh), plus Power Factor and Phase Angle.

This Power Clamp Meter manually stores and recalls of up to 99 data logs. USB interface for connection to a PC for data logging function with included software.

SKU: MT790 Category:


Function Range Resolution Accuracy
AC Current 40A – 1000A 0.1A ±(2.0% + 5 Digits)
AC Voltage 100 – 750V 0.1V ±(1.2% + 5 Digits)
Frequency 50Hz – 200HZ 1.0Hz ±(0.5% + 5 Digits)
Temperature -50 to 1300°C 1°C ±(5.0% + 3°C Digits)
Active Power 40A-1000A, 0.01KW-750.0KW <1000KW:0.01KW,100KW:0.1KW ±(3.0% + 5 Digits)
Apparent Power 40A-1000A, 0.01KVA-750.0KVA <1000KVAr:0.01KVAr, 100KVAr:0.1KVAr ±(3.0% + 5 Digits)
Reactive Power 40A-1000A, 0.01KVAr -750.0KVAr <1000KVA:0.01KVA, 100KVA:0.1KVA ±(3.0% + 5 Digits)
Power Factor 0.3-1 cap or ind. 0.001
Phase Angle 0°-90° ±(2.0°)
Active Energy 1-9999kWh 0.001kWh ±(3.0% + 2 Digits)
True RMS Measurements ACV, ACA
AC Bandwidth 50Hz to 60Hz
Digital Display 9999
Bargraph Yes
PC Interface Yes
Records Events and Trends Yes
Data Logging Yes
Non-Contact Voltage (NCV) Yes
Overrange Indication Yes
Jaw Size 55mm
Input Impedance >10MΩ VAC
Min Max Yes
Back Light Yes
Enclosure Injection moulded case
Low Battery Indication Yes
Battery 9V
Weight 631g
Dimensions 335 x 70 x 21mm
Safety Specs IEC61010-1 CAT IV 600V

Safety Ratings



Soft Carrying Case
9V Battery
Yellow, Red, Blue & black Test Leads
Instruction Manual
USB Cable
Crocodile Clips