Catalog > Test and Measurement > Test and Measurement Instruments > Major Tech Instruments Catalog > Test and Measurement > Test and Measurement Instruments > Special Function Testers > Digital Clamp Meters Major Tech Digital Power Clamp Meter Digital Clamp Meter MAJ MT790 It's a True-RMS power clamp meter providing accurate watt and power AC current and voltage readings. Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The MT790 is a Single and 3-Phase 1000A AC Power TRMS Clamp Meter. 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. Manually stores and recalls of up to 99 data logs. USB interface for connection to a PC for data logging function with included software. Features True RMS Clamp Meter, Power Meter and DMM Ø55mm Cable clamp size Measures AC current up to 1000 Amps Measures AC voltage to 750V USB interface for PC connection for Data Log Function Analysis for single phase and balanced three phase system Manual data memory KW/KVA/KVAC/Pf 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 Accessories: Soft Carrying Case 9V Battery Yellow, Red, Blue & black Test Leads Instruction Manual USB Cable Crocodile Clips Optional Accessories: MT825 Test Lead Light Specifications Jaw size 55mm AC Current 1000A AC current resolution 0.1A AC Current accuracy ±(2.0% +5) AC Voltage 750V AC Voltage resolution 0.1V AC voltage accuracy ±(1.2% +5) Frequency 200HZ Frequency resolution 1Hz Frequency accuracy ±(0.5% +5) Temperature -50 to 1300°C Temperature resolution 1°C Temperature accuracy ±(5.0°C +3) Active Power 40A-1000A, 30.00KW – 750.0KW Active Power Resolution ˂1000KW:0.01KW, 100KW:0.1KW Active Power accuracy ±(3.0% +5) Apparent Power 40A-1000A, 0.01KVA-750.0KVA Apparent Power Resolution ˂1000KVAr:0.01KVAr, 100KVAr:0.1KVAr Apparent Power Accuracy ±(3.0% +5) Reactive Power 40A-1000A, 0.01KVAr -750.0KVAr Reactive Power Resolution ˂1000KVA:0.01KVA, 100KVA:0.1KVA Reactive Power Accuracy ±(3.0% +5) Power factor 0.3-1 cap or ind Power factor resolution 0.001 Phase angle 0°-90° Phase angle resolution 1° Phase angle Accuracy ±(2.0°) Active Energy 1-9999kWh Active Energy resolution 0.001kWh Active Energy accuracy ±(3.0% +2) 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 Over-range indication Yes Input Impedance ˃10MΩ VAC Min Max Yes Back Light Yes Enclosure Injection moulded case Low battery indication Yes Power source 6LR61 Weight 631g Dimensions 335 x 70 x 21mm Downloads User Manual - MAJ MT790 PDF File 3.63 MB Datasheet - MAJ MT790 PDF File 33.32 MB