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AC Voltage

   

Range 

Resolution 

Accuracy 

400.0mV  0.1mV 

+1.5% of rdg + 5 dgts 

4.000V 

1mV 

+1.0% of rdg + 3 dgts 

40.00V 

10mV 

+1.5% of rdg + 3 dgts 

400.0V 

100mV 

600V 

1V 

+2.0% of rdg + 4 dgts 

Input Im

pedance: 10MΩ. 

Frequency Range: 50 to 60Hz   

 

DC Current

   

Range 

Resolution 

Accuracy 

40.00mA  10uA 

+1.5% of rdg + 3 dgts 

400.0mA  100uA 
20A 

10mA 

+2.5% of rdg + 5 dgts 

Overload Protection: 0.5A / 250V and 20A / 250V Fuse. 

Maximum Input: 400mA dc or 400mA ac rms on uA / mA ranges,20A dc 

or ac rms on 20A range. 

 

AC Current

   

Range 

Resolution 

Accuracy 

40.00mA 

10uA 

+1.8% of rdg + 5 dgts 

400.0mA 

100uA 

20A 

10mA 

+3.0% of rdg + 7 dgts 

Overload Protection: 0.5A / 250V and 20A / 250V Fuse. 

Frequency Range: 50 to 60 Hz 

Maximum Input: 400mA dc or 400mA ac rms on uA / mA ranges, 20A dc 

or ac rms on 20A range. 

 
Resistance

   

Range 

Resolution 

Accuracy 

400.0Ω 

0.1Ω 

+1.2% of rdg + 4 dgts 

4.000kΩ 

1Ω 

+1.0% of rdg + 2 dgts 

40.00kΩ 

10Ω 

+1.2% of rdg + 2 dgts 

400.0kΩ 

100Ω 

4.000MΩ 

1kΩ 

40.00MΩ 

10kΩ 

+2.0% of rdg + 3 dgts 

Capacitance

   

Range 

Resoluti
on 

Accuracy 

4.000nF 

1pF 

+5.0% of rdg+60 dgts 

40.00nF 

10pF 

+5.0% of rdg + 7 dgts 

400.0nF 

0.1nF 

 
+3.0% of rdg + 5 dgts 
 

4.000uF 

1nF 

40.00uF 

10nF 

400.0uF 

0.1uF 

4.000mF 

0.001mF  +10% of rdg + 10 dgts 

40.00mF 

10.00mF 

Frequency

 

 

Range 

Resolution  Sensitivity

 

Accuracy 

4.000kHz 

1Hz 

>5V RMS

 

 
+1.5% of rdg + 3 dgts 

40.00kHz 

10Hz 

400.0kHz 

100Hz 

4.000MHz  1000Hz 
40.00MHz  1kHz 

>15V RMS

 

+2.0% of rdg + 4 dgts 

Duty Cycle 

Range 

Resolution 

Accuracy 

0.5%~99.0 % 

0.1% 

+2% of rdg + 5 dgts 

Pulse width: >100us, <100ms;   

Frequency width: 5Hz – 100kHz 

Sensitivity: >5V RMS   

 

Pulse Width 

Range 

Resolution 

Accuracy 

1.0~ 20.0ms 

0.1ms 

+2% of rdg +20 dgts 

 
Type-K Temperature                                    

Range

 

Resolution

 

Accuracy

 

-30°C ~ 1000°C 

1 °C 

+3% of rdg +5 °C /8 °F 
(Meter only, probe accuracy 
not included)   

-22 °F ~1832 °F 

1°F 

Sensor: Type K Thermocouple 

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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