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Peak Hold 

 

The Peak Hold function captures 

the peak AC or DC voltage or current.  

The meter can capture negative  

or positive peaks as fast as 

1 millisecond in duration. 

 

 

 

1. 

Turn the function dial  to the A or V position.

 

2.  Press and hold the 

PEAK

 button until “

CAL

” appears in the 

display. This procedure will zero the range selected & meter 

go to manual ranging. 

3.  Press the 

PEAK

 button, 

Pmax

 will display. 

4.  The display will update each time a higher positive peak 

occurs. 

5.  Press the 

PEAK

 button again, 

Pmin

 will display. The display 

will now update and indicate the lowest negative peak. 

6.  To return to normal operation, press and hold the 

PEAK

 

button until the 

Pmin

 or 

Pmax

 indicator switches off. 

Note

: If the Function switch position is changed after a calibration 

the Peak Hold calibration must be repeated for the new function 

selected.

 

 

 

 

 

MAX/MIN   

1.  Press the 

MAX/MIN

  key to activate the MAX/MIN recording 

mode.  The display icon "

MAX or MIN

" will appear. The meter 

will go to manual ranging & display and hold the maximum or 

minimum reading and will update only when a new “MAX  or 

MIN” occurs. 

2.  Press the 

MAX/MIN

 key and a blinking “

MAX

 

MIN

” will appear. 

The meter will display the present reading, but will continue to 

update and store the max and min readings. 

To exit MAX/MIN mode press and hold the 

MAX/MIN

 key for 2 seconds. 

 

 

 

 

 

 

 

 

Backlight Button 

1.    Press the BACKLIGHT button to turn the backlighting ON. 

2.  Press the BACKLIGHT button again to turn the backlighting OFF. 

 

 

 

 

 

 

 

 

 

 

 

Auto Power Off

4

2

Auto Power Off

4

2

Auto Power Off

4

2

Summary of Contents for DM-930

Page 1: ...1 0 DM 930 AUTOMOTIVE MULTIMETER INSTRUCTION MANUAL Auto Power Off 4 2...

Page 2: ...t tested must be protected by a 20A fuse or circuit breaker Do not use the meter if it has been damaged Do not use any test leads if the insulation is damaged or if metal is exposed Safety Cont d Dang...

Page 3: ...C AC DC20A 20A 20A DC AC 20 Amp measurement for 30 seconds maximum Getting Started This chapter will help you get started It describes the basic functions of the Meter Meter Basics 1 Digital LCD displ...

Page 4: ...DIS Hz ms CYL Button Press to this button to select STROKE 4 2DIS Hz ms CYL range V A Resistance manual Range Manual Ranging The meter turns on in the autoranging mode Press the Range button to go to...

Page 5: ...Pmin or Pmax indicator switches off Note If the Function switch position is changed after a calibration the Peak Hold calibration must be repeated for the new function selected MAX MIN 1 Press the MA...

Page 6: ...cation that has capacitors in the circuit be sure to turn the power OFF on the test circuit and discharge all capacitors Accurate measurement is not possible if external or residual voltage is present...

Page 7: ...re performing any work Select the Capacitance CAP function with the function dial and MODE button Insert Black lead in COM terminal Red lead in V RPM terminal CAUTION When checking in circuit capacita...

Page 8: ...nsure of the current draw IMPORTANT Turn OFF all power to the circuit or disconnect the circuit from the power source Connect The Red probe to the side of the circuit closest to the power source The B...

Page 9: ...in COM terminal Red lead in V RPM terminal Connect the Black test probe to ground Connect the Red test probe to the signal wire circuit The illustration for a mixture control solenoid is shown with th...

Page 10: ...ct black test probe to a good ground at the fuel injector or the negative vehicle battery post Connect red test probe to the fuel injector solenoid driver input on the jumper cable Start the engine A...

Page 11: ...w battery indication The is displayed when the battery voltage drops below the operating level Measurement rate 2 times per second nominal Auto power off Meter automatically shuts down after approx 30...

Page 12: ...Resistance Range Resolution Accuracy 400 0 0 1 1 2 of rdg 4 dgts 4 000k 1 1 0 of rdg 2 dgts 40 00k 10 1 2 of rdg 2 dgts 400 0k 100 4 000M 1k 40 00M 10k 2 0 of rdg 3 dgts Capacitance Range Resoluti on...

Page 13: ...t leads from the meter 2 Open the battery door by loosening the screw using a Phillips head screwdriver 3 Insert the battery into battery holder observing the correct polarity 4 Put the battery door b...

Page 14: ...still toggled ON Warranty This PDI product is warrantied to be free from defects in materials and workmanship for a period of two 2 years from the verified date of purchase During this warranty period...

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