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under  test  so  the  rest  of  the  circuit  will  not  interfere  with 
the resistance reading. 

4. Read the resistance value on the display. The display will 

indicate the proper decimal point, value and symbol. 

 

CAPACITANCE MEASUREMENTS 

WARNING:

 To avoid electric shock, disconnect power to 

the  unit  under  test  and  discharge  all  capacitors  before 
taking any capacitance measurements. 

1. Set the function dial to the                      position, and press 

MODE

 button to select the capacitance mode. 

2. Insert the black test lead into the negative (

COM)

 jack and 

the red test lead into the positive (



jack. 

3. Touch the test probe tips to either side of the circuit or part 

under  test.  It  is  best  to  disconnect  one  side  of  the  part 
under  test  so  the  rest  of  the  circuit  will  not  interfere  with 
the resistance reading. 

4.  Read  the  capacitance  value  in  the  display.  The  display 

will indicate the proper decimal point, value and symbol. 

NOTE

:  In  order  to  obtain  an  accurate  reading,  a  capacitor 

must be discharged before measurement begins.   

 

CONTINUITY CHECK 

WARNING: 

To  avoid  electric  shock,  never  measure 

continuity on circuits or wires that have voltage on them. 

1. 

Set the function dial to the                      position

and   

press the 

MODE

 button until the      symbol appears  on 

the top of the display. 

2.  Insert  the  black  lead  into  the  negative  (

COM) 

jack  and 

Содержание DM-918

Страница 1: ...DM 918 OPERATIONS MANUAL AUTORANGING MULTIMETER...

Страница 2: ...ding by using dry clothing rubber soled shoes rubber mats or any approved insulating material Turn off power to the circuit under test before cutting unsoldering or breaking the circuit Small amounts...

Страница 3: ...N symbol indicates a potentially hazardous situation which if not avoided may result damage to the product This symbol advises the user that the terminal s so marked must not be connected to a circuit...

Страница 4: ...ve Input Jack for 10A DC or AC measurements 6 Measuring MODE selection button 7 Range button 8 Hold Backlight button 9 MAX Min Hold button DISPLAY DESCRIPTION Continuity Low Battery Diode HOLD Data Ho...

Страница 5: ...drops below the operating level Measurement rate 3 times per second nominal Auto power off Meter automatically shuts down after approx 15 minutes of inactivity Operating environment 0 C to 50 C 32 F t...

Страница 6: ...acy 6 000V 1mV 1 of rdg 3 dgts 60 00V 10mV 1 2 of rdg 3 dgts 600 0V 100mV 600 0V 1V Input Impedance 10M Frequency Range 50 to 400Hz Maximum Input 600V DC or 600V AC RMS DC Current Autoranging for A an...

Страница 7: ...ut 600mA DC or 600mA AC RMS on A mA ranges 10A DC or AC RMS on 10A range Resistance Autoranging Range Resolution Accuracy 6 0 1 1 2 of rdg 4 dgts 6 1 1 0 of rdg 2 dgts 6 10 1 5 of rdg 2 dgts 6 100 6 1...

Страница 8: ...g 4 dgts Sensitivity 8V RMS Overload protection 250V DC or AC RMS Duty Cycle Range Resolution Accuracy 0 1 99 9 0 1 1 2 of rdg 2 dgts Pulse width 100us 100ms Frequency width 5Hz 150kHz Sensitivity 8V...

Страница 9: ...1 ALWAYS turn the function dial to the OFF position when the meter is not in use This meter has an Auto Power Off function that automatically shuts the meter OFF after 15 minutes of inactivity 2 If OL...

Страница 10: ...ange for the measurements being made and is generally the best mode for most measurements For measurement situations requiring that a range be manually selected perform the following 1 Press the RANGE...

Страница 11: ...ton DC VOLTAGE MEASUREMENTS CAUTION Do not measure DC voltages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function dial to...

Страница 12: ...ages if a motor on the circuit is being switched ON or OFF Large voltage surges may occur that can damage the meter 1 Set the function dial to the V position and press the MODE key to select the AC mo...

Страница 13: ...n appears on the left side of the display 6 Remove power from the circuit under test then open up the circuit at the point where you wish to measure current 7 Touch the black test probe tip to the neg...

Страница 14: ...uit at the point where you wish to measure current 7 Touch the black test probe tip to the negative side of the circuit and the red test probe tip to the positive side of the circuit 8 Apply power to...

Страница 15: ...into the positive jack 3 Touch the test probe tips to either side of the circuit or part under test It is best to disconnect one side of the part under test so the rest of the circuit will not interf...

Страница 16: ...t lead into the negative COM jack and the red test lead into the positive jack 3 Touch the test probe tips to the diode or semiconductor junction you wish to test Note the meter reading 4 Reverse the...

Страница 17: ...before making a temperature measurement 1 Set the function dial to the C F position and press the MODE button to select between C Celsius and F Fahrenheit 2 Insert the Temperature Probe s into the Te...

Страница 18: ...screwdriver 3 Remove old battery and insert new battery into battery holder observing correct polarity Replace battery cover and secure with two screws 4 Properly dispose of old battery WARNING To av...

Страница 19: ...the 600mA range 10A 250V fast blow for the 10A range 5 Replace the battery cover and secure with two screws WARNING To avoid electric shock do not operate your meter until the fuse door is in place a...

Страница 20: ...your PDI product at www PDImeters com NOTE Online product registration is required for all warranty claims All warranty claims must have a Return Goods Authorization assigned from PDI in order to beg...

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