EZ Digital DM-530SRS, Operation Manual

Page 1: ......

Page 2: ...DM 530SRS DIGITAL MULTIMETER Operation Manual DIGITAL MULTIMETER...

Page 3: ...750VAC RMS DM 531 532 True RMS DM 531T 532T mA measurements Below 500mA Fuse rating 600V 10A measurements Below 10A Fuse rating 600V measurements Below 600V AC DC 1 minute measurements Below 600V AC...

Page 4: ...TI METER Model Numbers DM 531 DM 532 DM 531T DM 532T Data July 05 2001 Conforms to the following product specifications Certified by T V Rheinland Safety EN 61010 1 IEC 1010 1 1992 1010 2 031 EMC EN 5...

Page 5: ...which prove to be defective But warranty shall not apply to defects resulting from improper or inadequate maintenance by buyer In this case the repair will be billed at nominal cost For warranty serv...

Page 6: ...E PAGE INTRODUCTION 7 MULTIMETER SAFETY 8 FEATURES 10 HOW TO USE THE METER 10 Input Terminal 11 Function Selector Rotary Switch 12 Pushbuttons 12 APPLICATION 15 Measuring Voltage AC DC 15 Measuring Cu...

Page 7: ...stance 17 Diode Test 18 Continuity Test 19 Measuring Frequency 20 Measuring Capacitance 22 TRUE RMS DM 531T DM 532T 23 Battery or Fuse Replacement DM 531T DM 532T 24 Battery or Fuse Replacement DM 531...

Page 8: ...fe condition HOLSTER The meter comes with a snap on holster that absorbs shocks and protects the meter from rough handling you can also hang the meter on your belt for easy viewing while probing The t...

Page 9: ...pose hazards to the user the word CAUTION is used for conditions and actions that may damage your meter The symbols shown in Figure 1 are used internationally to denote the electrical function and con...

Page 10: ...ing turn the power off before connection the meter in the circuit Check the meter fused before measuring current trans former secondary or motor winding current An open fuse may allow high voltage bui...

Page 11: ...a regular battery Temperatures Operating 0 40 below 80 RH Storage 10 60 below 70 RH Guaranteed accuracy 23 5 Installation Category Overvoltage Category CAT Relative Humidity 0 to 80 0 to 35 0 to 70 3...

Page 12: ...asurements Do not apply more than Black color 1000V between The COM terminal and Earth ground V Volts Ohms Continuity Frequency CAP Diode Test input terminal Red color Table 1 Input terminals and Limi...

Page 13: ...ON OFF Press the power button to turn on the meter PEAK HOLD In current and voltage measurement this button performs a peak hold function The peak hold mode must be calibrated prior to use To calibra...

Page 14: ...pe MIN MAX mode V Hz DM 531 532 This switch is used to quickly view the frequency during measuring the AC voltage or current Push V Hz switch once the LCD is changed to display frequency Push V Hz swi...

Page 15: ...resistance frequency capacitance measurements this button enables the relative change function When pressed the value is stored and all new measurements are displayed as their difference from the sto...

Page 16: ...black lead to common terminal and red one to V terminal and turn the rotary switch to VHz range as Figure 5 1 Each of AC DC voltage ranges presents an input impedance of approximately 10 AC voltage is...

Page 17: ...range as Figure 5 2 Connect the meter in series with the load or circuit under test and note that the frequency range for AC current measurement is 40 to 400 Over range is being indicated by flickered...

Page 18: ...tage is present across a component it will be impossible to take an accurate measurement of the resistance of that component Due to the sensitive nature of the 400 range a residual resistance is prese...

Page 19: ...nput turn the rotary switch to diode setting and connect the test leads across the diode under measurement as Figure 5 4 Press this switch to measure diode range selector button The forward voltage dr...

Page 20: ...ble continuity tests turn the rotary switch to the continuity test position Press this switch to measure continuity range selector button Test resistance below 35 CAUTION Turn off power on the test ci...

Page 21: ...ack test lead into the COM port and the red test lead into the V port Set the rotary switch to the Hz position Connect the meter in parallel with the load or circuit CAUTION Overload Protection 600V R...

Page 22: ...INPUT SENSITIVITY RMS V MODE Function DM 531 532 FREQUENCY MODE Function FREQUENCY 40 400 4 40 400 1 SENSITIVITY 200 5V 10V FREQUENCY 40 400 4 40 400 1 40 400 SENSITIVITY 200 1V 5V 10V 21...

Page 23: ...t the test leads across the capacitance under measurement CAUTION Capacitor should be discharged before being tested When testing large capacitors note that there will be a certain time lag before dis...

Page 24: ...cally the rms value of a pure sine wave is 1 2 of the peak value and the average value is 2 of the peak value Since the meters converted to the average value the value was 1 2 2 1 11 of the average va...

Page 25: ...24 Figure 5 8 Battery or Fuse Replacement DM 531T DM 532T...

Page 26: ...25 Figure 5 9 Battery or Fuse Replacement DM 531 DM 532...

Page 27: ...VOLTAGE 40V 0 01V 0 5 of READING 5 DIGIT 400V 0 1V 1000V 1V 1 0 of READING 5 DIGIT 400mV 0 1mV 4V 0 001V 1 2 of READING 5 DIGIT AC VOLTAGE 40V 0 01V 40Hz 400Hz 400V 0 1V 2 of READING 5 DIGIT 750V 1V...

Page 28: ...0 1 4 000k 0 001k 1 0 READING 5 DIGIT OHMS 40 00k 0 01k 400 0k 0 1k 4 000M 0 001M 1 5 READING 5 DIGIT 40 00M 0 01M CONTINUITY 35 DIODE CHECK 1V 2mA FREQUENCY 40Hz 400MHz 0 5 READING 5 DIGIT CAPACITANC...

Page 29: ...GIT 400V 0 1V 1000V 1V 1 0 of READING 5 DIGIT 400 0 1 4V 0 001V 1 2 of READING 5 DIGIT AC VOLTAGE 40V 0 01V 40 1k 400V 0 1V 2 of READING 5 DIGIT 750V 1V 40 1k 400uA 0 1uA 4000uA 1uA DC AMPERE 40mA 0 0...

Page 30: ...and cellular phones generate electromagnetic radiation that may induce voltages in the test leads of the multimeter In such cases the accuracy of the multimeter cannot be guaranteed due to physical r...

Page 31: ...sent first and the MSB is sent last One data block consists of 11 packets or 110 bits The following figure shows the format of a data block The range packet indicates the full scale range of the mete...

Page 32: ...tch CAUTION 1 The Judge bit in the Status packet determines whether it is frequency mode or RPM mode 2 The Judge bit in the Status packet determines whether the unit is Celcius or Fahrenheit CORD MEAS...

Page 33: ...ge in each measurement mode DIGIT3 DIGIT0 Digit 3 is the most significant digit on the LCD panel and digit 0 is the least significant digit When the LCD panel shows OL the serial port output 4000 CORD...

Page 34: ...d indicates whether the minus sign on the LCD panel in on or off BATT field is battery low condition is true OL indicates input overflow OPTION1 This packet contains information on special measurement...

Page 35: ...erates in AC measurement mode The AUTO field is set to one if the meter operates in automatic mode and in set to zero when the meter operates in manual mode The APO field indicates whether auto power...

Page 36: ...35 DM 531 DM 532 DM 531T 532T...

Page 37: ...5th Floor Paradise Venture Tower 708 33 Yeoksam Dong Gangnam Gu Seoul Korea TEL 82 2 587 9977 Rep FAX 82 2 587 7384 FACTORY 222 28 Nae dong Ojong ku Puchonsi Kyunggi do Republic of Korea TEL 82 32 681...