Major tech MT1887 User Manual Download

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2. Press the

REL

button to store the reading in the display and the "

REL

" indicator will appear

on the display.

3. The display will now indicate the difference between the stored value and the measured

value.

4. Press the

REL

button to exit the relative mode.

Summary of Contents for MT1887

Page 1: ...User s Guide True RMS Industrial Multimeter MIN...

Page 2: ...h ranges that may in normal use be subjected to particularly hazardous voltages For maximum safety the meter and its test leads should not be handled when these terminals are energized This symbol ind...

Page 3: ...USE EXTREME CAUTION when working with high voltages 3 DO NOT measure voltage if the voltage on the COM input jack exceeds 1000V above earth ground 4 NEVER connect the meter leads across a voltage sou...

Page 4: ...battery compartment are on rear of unit Symbols and Annunciators Continuity Diode test Battery status n nano 10 9 capacitance micro 10 6 amps cap m milli 10 3 volts amps A Amps k kilo 103 ohms F Fara...

Page 5: ...VOLTAGE FREQUENCY DUTY CYCLE MEASUREMENTS WARNING Risk of Electrocution The probe tips may not be long enough to contact the live parts inside some 240V outlets for appliances because the contacts are...

Page 6: ...E MEASUREMENTS CAUTION Do not make 20A current measurements for longer than 30 seconds Exceeding 30 seconds may cause damage to the meter and or the test leads 1 Insert the black test lead banana plug...

Page 7: ...uity on circuits or wires that have voltage on them 1 Set the function switch to the green CAP position 2 Insert the black lead banana plug into the negative COM jack positive jack Insert the red test...

Page 8: ...power to the unit under test and discharge all capacitors before taking any capacitance measurements Remove the batteries and unplug the line cords 1 Set the rotary function switch to the green CAP p...

Page 9: ...measurement situations requiring that a range be manually selected perform the following 1 Press the RANGE key The AUTO display indicator will turn off 2 Press the RANGE key to step through the availa...

Page 10: ...store the reading in the display and the REL indicator will appear on the display 3 The display will now indicate the difference between the stored value and the measured value 4 Press the REL button...

Page 11: ...ess the PEAK button again MIN will display The meter will update the dispay each time a lower negative peak occurs Press and hold the PEAK button for more than 1 second to exit PEAK Hold mode Auto Pow...

Page 12: ...hemicals cleaning solvents or detergents 5 USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE AND TYPE Remove old or weak batteries so they do not leak and damage the unit 6 IF THE METER IS TO BE STORED...

Page 13: ...he battery 4 Remove the six A screws securing the rear cover 5 Gently remove the old fuse and install the new fuse into the holder 6 Always use a fuse of the proper size and value 0 5A 1000V fast blow...

Page 14: ...ll AC voltage ranges are specified from 5 of range to 100 of range DC Current 400 A 0 01 A 1 0 reading 3 digits 4000 A 0 1 A 40mA 0 001mA 400mA 0 01mA 10A 0 001A 20A 30 sec max with reduced accuracy A...

Page 15: ...001MHz 40MHz 0 001MHz 100MHz 0 01MHz Not specified Sensitivity 0 8V rms min 20 to 80 duty cycle and 100kHz 5Vrms min 20 to 80 duty cycle and 100kHz Frequency electrical 40 00 400Hz 0 01Hz 0 5 reading...

Page 16: ...cation OL is displayed Auto Power Off 15 minutes approximately with disable feature Polarity Automatic no indication for positive Minus sign for negative Measurement Rate 2 times per second nominal Lo...