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MT785

1500V DC H&W ANALYSIS CLAMP METER

WITH DATA LOGGER & MOBILE APP

INSTRUCTION MANUAL

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Summary of Contents for MT785

Page 1: ...MT785 1500V DC H W ANALYSIS CLAMP METER WITH DATA LOGGER MOBILE APP INSTRUCTION MANUAL...

Page 2: ...2...

Page 3: ...0 3 4 2 Relative Values 11 3 4 3 MIN MAX Values 11 3 4 4 Range Function 11 3 5 Individual Harmonic Measurement Function 11 3 5 1 Voltage Measurement Mode 11 3 5 2 Current Measurement Mode 12 3 5 3 Pow...

Page 4: ...Cleaning and Storage 34 6 2 Battery Replacement 34 6 3 Temperature Probe Replacement 34 7 Specifications 34 7 1 Technical Specifications 34 7 1 1 DC Voltage 34 7 1 2 AC TRMS Voltage 50Hz 400Hz 35 7 1...

Page 5: ...e phase systems AC voltage harmonics 1 25 and THD up to 75Hz 1 8 above 75Hz AC current harmonics 1 25 and THD up to 75Hz 1 8 above 75Hz DC power Frequency on voltage leads and current clamp jaw Resist...

Page 6: ...laced you must use a new one which should meet EN 61010 031 standard Inspect the condition of the test leads and the meter itself for any damage before operating the meter repair or replace any damage...

Page 7: ...mp 3 Non Contact AC Voltage Indicator Light 4 Clamp Trigger 5 Data Hold Flashlight Button 6 Rotary Function Swith 7 Peak Inrush ESC Button 8 LCD Display 9 F1 Button 10 F2 Button 11 F3 Button 12 Flashl...

Page 8: ...Note Only ACV functions can do the peak value measurement 1 PEAK Key is the peak value measurement key that acts with trigger 2 In ACV functions press the Peak Inrush ESC Button to activate the detec...

Page 9: ...value on the display ESC it goes back to a normal measuring mode 3 3 2 Data Hold Flashlight Button To freeze the LCD reading press the Data Hold Flashlight Button While data hold is active the HOLD i...

Page 10: ...Key Default into RANGE Button the rotary switch function F3 Software Key Default into Menu Button 3 4 Description of Internal Functions 3 4 1 Save Function 1 Press the Data Hold Flashlight Button to f...

Page 11: ...F3 Key again to enter MAX MIN measurement the message Max and symbol MAX MIN appear on the display 3 4 4 Range Function 1 Into manual range and select range of the measure 2 If pressing the Range Butt...

Page 12: ...F1 and F3 to select symbol H01 H25 3 5 3 Power Measurement Mode The AC power test interface is displayed by default showing active power reactive power and visual power 1 Press the F1 Button access to...

Page 13: ...Testing 4 Press the F1 Button to enter the Current Harmonic Test 5 Press the F2 Button to enter the Voltage Harmonic Test 6 Press the F3 Button to enter the Power Test press the F1 Button to start the...

Page 14: ...eys APO Time Allows defining the instrument s auto power off interval when idling in the five options 15 30 45 60 OFF mins Set value OFF to disable the function Press F3 Button to switch on the instru...

Page 15: ...mode press the F1 Button to enter the Record Settings and Selection Interface press the F1 Button to enter the Data Record press the F3 Button to Stop select the corresponding key to complete the cor...

Page 16: ...t viewing interface F2 to turn up F3 to turn down the page 1 1 Setup New Recording Press the F1 Button to enter the record installation interface F2 up F3 down 2 Delete Recordings Press the F1 Button...

Page 17: ...he Instrument Information Interface F1 returns to the Previous Menu Press the ESC Button to exit 3 12 Factory Set Press the F3 Button to enter the Instrument Factory Settings Interface F1 OK F2 select...

Page 18: ...into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Press and hold the F3 Button for more than 2 second to enter the selection interface and press the F2 Har Button...

Page 19: ...r Harmonic Measurement 3 Select the Hn indicator then press the F1 and F3 Button to enter the individualharmonic mode 4 Connect the clamp jaws to the circuit under test 5 Read the Harmonic Current Mea...

Page 20: ...W Position 2 Insert the black test lead banana into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Press the trigger to open the transformer jaws and clamp one condu...

Page 21: ...st lead banana into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Press the trigger to open the transformer jaws and clamp one conductor only make sure that the jaw...

Page 22: ...he trigger to open the transformer jaws and clamp one conductor only make sure that the jaw is firmly closed around the conductor 4 Using the F2 Button to choose the DC Power mode 5 Press and hold the...

Page 23: ...eter display 3 Use the F1 MODE Button to select AC or DC Current 4 Press the trigger to open jaw fully enclose only one conductor for optimum results center the conductor in the jaw 5 The clamp meter...

Page 24: ...to the VAC Position 2 Insert the black test lead banana into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Connect the test leads in parallel to the circuit under t...

Page 25: ...to the VDC AC DC Position 2 Insert the black test lead banana into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Connect the test leads in parallel to the circuit u...

Page 26: ...Lo Z Position 2 Momentarily press the MODE Button to select AC or DC voltage the AC or DC symbol will appear on the LCD display 3 Insert the black test lead banana into the COM Input Jack Insert the...

Page 27: ...to the CAP Position 2 Insert the black test lead banana into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Touch the test probe tips across the circuit or componen...

Page 28: ...into the COM Input Jack Insert the red test lead banana into the Positive Input Jack 3 Use the MODE Button to select continuity the display icons will change when the MODE Button is pressed 4 Touch th...

Page 29: ...when in Diode test mode 4 Touch the test probe tips to the diode or semiconductor junction under test note the meter reading 5 Reverse the test lead polarity by reversing the red and black leads note...

Page 30: ...st probe tips across the part under test if OL appears in the display remove and discharge the component 4 Read the capacitance value in the display the display will indicate the proper decimal point...

Page 31: ...Input Jack 3 Press Hz Button to select the Frequency Hz or Duty cycle 4 Touch the test probe tips across the part under test 5 Read the value on the display the display will indicate the proper decim...

Page 32: ...k observing polarity 4 Touch the Temperature Probe head to the device under test continue to touch the part under test with the probe until the reading stabilizes 5 Read the temperature on the display...

Page 33: ...cord sets are often twisted for best results rub the probe tip along a length of the cord to assure placing the tip in close proximity to the live conductor Note The detector is designed with high se...

Page 34: ...nt 3 Replace the 3x1 5V AAA Alkaline batteries 4 Secure the battery compartment 6 3 Temperature Probe Replacement Note To use a Type K thermocouple probe that is terminated by a subminiature Flat blad...

Page 35: ...0 digits 600 0V 0 1V 1000V 1V Range Resolution 7 1 4 AC DC TRMS Voltage 50Hz 1kHz Accuracy Input impedance 10M Protection against overcharge 1000V DC AC rms 6 000V 0 001V 60 00V 0 01V 3 0 40 digits 60...

Page 36: ...0M 0 001M 2 5 5 digits 60 00M 0 01M 3 5 10 digits Range Resolution 7 1 7 Resistance and Continuity Test Accuracy Buzzer 50 Protection against overcharge 1000V DC AC rms 9 999 9 99kHz 0 01 10Hz 1 2 5 d...

Page 37: ...Protection against overcharge 1000V DC AC rms Uncertainty defined for Voltage 10A Below 2 of voltage range add 20 counts 1 25 20 75Hz 0 1 THD 5 0 20 digits Harmonic Order Base Wave Resolution Accuracy...

Page 38: ...waveform 20 75Hz Voltage 10V Current 10A Below 2 of voltage and current range add 2 0 000 9 999 0 001 3 0 10 digits kW kVA kVAR kW kVA kVAR 10 00 99 99 0 01 3 0 5 digits kW kVA kVAR kW kVA kVAR Range...

Page 39: ...rating Temperature 5 to 40 C 41 to 104 F Storage Temperature 20 to 60 C 4 to 140 F Operating Humidity Max 80 up to 31 C 87 F decreasing linearly to 50 at 40 C 104 F Storage Humidity 80 Operating Altit...

Page 40: ...www major tech com www majortech com au sales major tech com info majortech com au MAJOR TECH PTY LTD South Africa Australia...

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