PM3
DIGITAL MULTITESTER
INSTRUCTION MANUAL
Page 1: ...PM3 DIGITAL MULTITESTER INSTRUCTION MANUAL ...
Page 2: ...o operating personnel such as burn and electrical shock The caution messages are intended to prevent damage to the instrument DCV DC voltage ACV AC voltage Ω Resistance Buzzer Diode Capacitance Hz Frequency DUTY Duty cycle Ground Plus Minus Double insulation 1 2 Warning Instruction for safe use WARNING To ensure that the meter is used safely be sure to observe the instruction when using the instru...
Page 3: ...stricts in use in indoor 1 3 Maximum Overload Protection Input AC voltage is regulated by rms valus of sinusoidal wave 2 APPLICATION AND FEATURES 2 1 Application This instrument is portable multimeter designated for measurement of weak current circuit 2 2 Features This multimeter is very thin type Body thickness is 8 5mm Sharp contrast LCD with character 13 6mm high is employed and unit symbols is...
Page 4: ...of the mode change as Ω Ω 3 Data hold switch When this switch is pressed the data display at that time continues DH lights on the display When the measuring input changes the display will not change When this switch is pressed again the hold status is canceled you can return to the measuring status DH on the display disappears DATA HOLD function does not work when measuring frequency Case holder D...
Page 5: ...nge is fixed To return to the auto range please stop measurement once and set the function again In the case of use function In the case of canceled please push the switch again The Capacitance measurement is auto range mode only After canceled relative mode it is possible measurement with the auto range 5 Hz DUTY Frequency Duty switch This switch uses it for the switching of Hz DUTY In the case o...
Page 6: ...ttery with a new one note Non marking may suggest that a battery be exhausted YES YES YES NO NO Main unit and test leads damaged Is a battery Exhaustion mark is on note Display shows 000 0 1 0 Short the RED and BLACK test pin Set the function switch toΩ Replace the battery Please check again Stop using it and have it repaired To avoid danger of shock hazard do not use multimeter with damage and re...
Page 7: ...ocedure Set the function switch DCV or ACV function Apply the black test pin to the negative potential side of the circuit to measure and the red test pin to the positive potential side Read the value on the display After measurement remove the red and black test pins from the circuit measured The display fluctuates when the test leads are removed This is not malfunction Since this instrument empl...
Page 8: ...test pins to the circuit to measure Read the value on the display After measurement remove the red and black test pins from the circuit measured With measuring terminals disconnected display may overflow or value may unsteadily fluctuate There are not malfunctions Input sensitivity varies according to frequency and wave form Please refer to 8 2 Measurement Range and Accuracy It is only auto range ...
Page 9: ...m the circuit measured If measurement is likely to be influenced by noise shield the object to measure with negative potential test lead black The input terminals release voltage is about 0 4V 5 4 Testing Diode WARNING Never apply voltage to the input terminal 1 Application The quality of diodes is tested 2 Measurement procedure Set the function switch at Ω function and select the function by SELE...
Page 10: ...procedure Set the function switch at Ω function and select the function by SELECT switch Apply the red and black test pins to a circuit or conductor to measure The continuity can be judged by whether the buzzer sounds or not After measurement release the red and black test pins from the object measured The buzzer sounds when the resistance in a circuit to measure is less than about 10Ω 100Ω The in...
Page 11: ... was charged to the condenser before measurement As the capacitance increases the measuring time becomes longer Example approx 5sec at 10µ Approx 45sec at 150µ F 6 MAINTENANCE WARNING 1 This section is very important for safety Read and understand the following instruction fully and maintain your instrument properly 2 The instrument must be calibrated and inspected at least once a year to maintain...
Page 12: ...rear case Take out the battery and replace it with a new one Attach the rear case and fix it with the screw CAUTION Set a battery with its polarities facing in the correct directions 6 4 Storage CAUTION 1 The panel and the case are not resistant to volatile solvent and must not be cleaned with thinner or alcohol For cleaning use dry soft cloth and wipe it lightly 2 The panel and the case are not r...
Page 13: ...A failure due to inadequate repair or modification by people other than Sanwa service personnel 3 A failure due to causes not attributable to this product such as fire flood and other natural disaster 4 Non operation due to a discharged battery 5 A failure or damage due to transportation relocation or dropping after the purchase 7 2 Repair Customers are asked to provide the following information w...
Page 14: ...ct 5 times or more in volume and fill cushion materials fully and then clearly mark Repair Product Enclosed on the box surface The cost of sending and returning the product shall be borne by the customer 7 3 SANWA Website http www sanwa meter co jp E mail exp_sales sanwa meter co jp 8 SPECIFICATIONS 8 1 General Specifications Measuring Method ΔΣ Display 4000 counts max Range selection Auto ranges ...
Page 15: ...Ω CAP Range 400 0mV 4 000V 40 00V 400 0V 500V 4 000V 40 00V 400 0V 500V 400 0Ω 4 000kΩ 40 00kΩ 400 0kΩ 4 000MΩ 40 00MΩ 4 000nF 40 00nF 400 0nF 4 000μF 40 00μF 200 0μF Accuracy 0 7 rdg 3dgt 1 3 rdg 3dgt 2 3 rdg 10dgt 2 3 rdg 5dgt 2 0 rdg 5dgt 5 0 rdg 5dgt 10 rdg 5dgt 5 0 rdg 10dgt 10 rdg 15dgt Input Resistance 100MΩ Approx 11MΩ Approx 10MΩ Approx 11MΩ Approx 10MΩ Remarks Accuracy in the case of sin...
Page 16: ...ct described above may be revised for modification without prior notice Buzzer sounds at less than 10 120Ω Open voltage Approx 0 4V Open voltage Approx 1 5V Function Hz DUTY BUZZER DIODE Range 9 999Hz 99 99Hz 999 9Hz 9 999kHz 60 00kHz 0 1 99 Accuracy 0 7 rdg 5dgt Remarks Accuracy in the case of sine wave 9 999Hz 9 999kHz 10Vrms 250Vrms 60 00kHz 40Vrms 100Vrms About input sensitivity and frequency ...
