Major tech MTD73A, Instruction Manual

Page 1: ...MTD73A 800A AC True RMS Digital Clamp Meter Instruction Manual...

Page 2: ...tted SAFETY NOTES Do not exceed the maximum allowable input range of any function Do not apply voltage to meter when resistance function is selected Set the function switch OFF when the meter is not i...

Page 3: ...These voltages are considered a shock hazard Always discharge capacitors and remove power from the device under test before performing Diode Resistance or Continuity tests Voltage checks on electrica...

Page 4: ...voltage indicator light 5 Clamp trigger 6 Rotary Function switch 7 SELECTOR mode range button Flashlight 8 Data Hold button 9 REL button for Relative Measurement 10 Flashlight and LCD backlight butto...

Page 5: ...e Low battery mV or V Milli volts or Volts Voltage Ohms Resistance A Amperes Current F Farad Capacitance Hz Hertz Frequency Percent duty ratio oC Celsius units Temperature n m M k Unit of measure pref...

Page 6: ...nput 1000A Accuracy specified from 5 to 100 of the measuring range Frequency Response 40Hz to 1kHz True RMS Function Range Resolution Accuracy of reading digits AC Voltage Auto Ranging 4V 1mV 1 0 of r...

Page 7: ...n Range Resolution Accuracy of reading digits Resistance Auto Ranging 400 0 1 0 8 of rdg 5digits 4k 1 0 8 of rdg 3digits 40k 10 400k 100 4M 1k 40M 10k 1 0 of rdg 5digits Input Protection 250V DC or 25...

Page 8: ...uF Input Protection 250V DC or 250V AC RMS Ensure capacitors are discharged before measuring value Warning DO NOT apply voltage to this range Function Range Resolution Accuracy of reading digits Frequ...

Page 9: ...ana Plug Thermocouple Warning DO NOT apply voltage to this range Input Protection 250V DC or 250V AC RMS Warning DO NOT apply voltage to Continuity range Function Testing Condition Reading Diode Forwa...

Page 10: ...up to 31oC 87oF Decreasing linearly to 50 at 40oC 104oF Storage Humidity 80 Operating Altitude 2000 meters 7000ft maximum Battery 2 x 1 5V AAA Battery Battery life Approx 30h backlight ON Approx 100h...

Page 11: ...unction switch to the Range If the approx range of the measurement is not known select Auto Range 2 Press the REL button to zero the meter display 3 Use SELECT Button to select AC 4 Press the trigger...

Page 12: ...test leads in parallel to the circuit under test 4 Read the voltage measurement on the LCD display DC Voltage Measurement 1 Insert the black test lead into the negative COM terminal and the red test...

Page 13: ...5 For Resistance tests read the resistance on the LCD display Capacitance Measurement WARNING To avoid electric shock discharge the capacitor under test before measuring 1 Insert the black test lead...

Page 14: ...easurement can be read on the LCD display Temperature Measurements 1 Set the function switch to the o C position 2 Insert the Temperature Probe into the negative COM and the V positive jacks observing...

Page 15: ...e COM terminal and the red test lead into the positive V terminal 2 Set the function switch to position 3 Use SELECT Button to select The display icons will change when the SELECT button is pressed 4...

Page 16: ...h sensitivity Static electricity or other sources of energy may randomly trip the sensor This is normal operation Data HOLD Key 1 To freeze the LCD reading press the button While data hold is active t...

Page 17: ...to the desired function range To cancel the auto power off function press SELECT button and turn on the power with the rotary switch at the same time Maintenance WARNING To avoid electrical shock disc...

Page 18: ...lace the battery to ensure correct readings 2 Remove the Phillips head screw that secures the rear battery door 3 Open the battery compartment 4 Replace the 2 x 1 5V AAA battery recommend Alkaline bat...

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