YOKOGAWA 734 01, User Manual

Page 1: ...IM 73401 4th Edition July 2001 Store this manual in a safe place for future reference 734 01 02 Digital Multimeter User s Manual...

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Page 3: ...orporation is in no way liable for any damage resulting from the user s mishandling of the product For safe use of this product the following safety symbols are used on the product About This Manual E...

Page 4: ...nformation that is essential for handling the instrument or should be noted in order to familiarize yourself with the instrument s operating procedures and or functions Danger Handle with Care This sy...

Page 5: ...under test before attaching detaching the testing leads to from the instrument Disconnect testing leads from the instrument before opening the casing to replace the batteries or for any other reason C...

Page 6: ...III AC DC 1000V CAT II Over voltage Category Safety standards EN61010 1 CAT III Covers the path from an indoor distribution switchboard to a mains outlet CAT II Covers a primary stage circuit of equip...

Page 7: ...ecifications 3 2 2 Measurement Ranges 6 3 Operation 14 3 1 Precautions Before Measurement 14 3 2 Components 15 3 3 Measuring Instruction 20 4 Battery and Fuse Replacement 42 4 1 Battery Replacement 42...

Page 8: ...may greatly fluctuate Relative values from the reference measurement values REL Minimum value MIN Maximum value MAX Average value AVG Range Hold R H Data Hold D H Auto Hold A H Peak Hold P H Continui...

Page 9: ...2 Safety design Complied standards CE standards Uses a current input terminal shutter for preventing wrong input Uses high performance UL standard fuses...

Page 10: ...k Hold P H Continuity Check Zero Adjustment Capacitor Resistance Diode Test Save to Memory LCD backlight For model 734 02 only Measuring method modulation Display 5 digit LCD Maximum Reading 50000 Pol...

Page 11: ...ximately 120 hours Operating hours of alkaline batteries when in DC voltage mode Note The battery life varies depending on the operating conditions Withstand voltage 5 5kVrms AC for one minute across...

Page 12: ...V Optional accessories Communication package with communication cable Engligh version 920 01 E Package with RS 232C Cable 920 01 E P Temperature probes 7511 02 to 05 Carrying case For the 734 main uni...

Page 13: ...Voltage Accuracy 73401 73402 0 1 10 0 04 2 0 07 2 0 05 10 0 02 2 0 025 5 0 03 2 Approx 100M 10M 1000V DC 1000V rms AC Maximum Reading of 2400mV Range 24000 NMRR 80dB or more 50 60Hz 0 1 CMRR 120dB or...

Page 14: ...70 2 5 200 2 1 40 1 3 30 2 2 AC Coupling Rms value detection Crest factor 3 Accuracy 1 At 5 to 100 of range 2 At 10 to 100 of range CMRR 80dB or more DC to 60Hz Rs 1k Response time 2 sec max 10M 50pF...

Page 15: ...2 10 2 5 20 2 1 10 1 2 Maximum Reading 5000 Crest factor 3 Accuracy 1 At 5 to 100 of range 2 At 10 to 100 of range CMRR 80dB or more DC to 60Hz Rs 1k Response time Approx 5 sec DC Current Measurement...

Page 16: ...20Hz to 1kHz Crest factor 3 AC Current Measurement A 734 02 Accuracy Resolution Range 1k to 5kHz 20Hz to 1kHz 10 to 20Hz Voltage Drop Maximum Input Current 0 01 A 0 1 A 0 001mA 0 01mA 0 0001A 0 001A 5...

Page 17: ...Maximum Reading 5000 Crest factor 3 DCA ACA 734 02 Accuracy Resolution Range DC 1k to 5kHz DC 20Hz to 1kHz DC 10 to 20Hz Maximum Input Current Voltage Drop 0 1 A 1 A 0 01mA 0 1mA 0 001A 0 01A 500 A 50...

Page 18: ...pecified after zero adjustment resistance Response time 3 sec max at 500 to 500k 10 sec max at 5M to 50M Continuity Check Range Resolution Measuring Current Open loop Voltage Input Protective Voltage...

Page 19: ...mF 50mF 0 001nF 0 01nF 0 1nF 0 001 F 0 01 F 0 1 F 0 001mF 0 01mF 1 5 2 5 3 5 600V rms Resolution Accuracy Accuracy is specified after zero adjustment capacitor Frequency Measurement Hz Range AUTO 2 00...

Page 20: ...ange Resolution Accuracy 10 to 90 1 1 Accuracy At 10 00Hz to 500 0Hz square wave At 40 to 100 of input voltage or current range Peak Hold P H Maximum Reading 5000 Range Accuracy Response Time Maximum...

Page 21: ...batteries therefor may not last their full specified life Do not use the instrument near noise emitting equipment or where there may be a sudden change of temperature Otherwise the instrument may give...

Page 22: ...nents Panel Description Display LCD Function switch Input terminal block SELECT PRINT key RANGE key HOLD SAVE key 5000 READ key For Model 734 01 LIGHT READ key For Model 734 02 REL key MIN MAX LOG key...

Page 23: ...t measurement 2 SELECT key Pressing this key in each measurement modes function described above selects other measurement modes function V mV 1 HzV Frequency measurement Voltage value is displayed 2 H...

Page 24: ...the testing leads are handled The display shows the A H symbol PEAK HOLD Holds the peak value The display shows the P H symbol For Model 734 02 5 5000 key For Model 734 01 LIGHT key For Model 734 02...

Page 25: ...ion The display shows the symbol The sub display shows the reference voltage value 7 MIN MAX key Displays the minimum value MIN maximum value MAX and average value AVG during measurement Pressing this...

Page 26: ...nt Unit for resistance measurement Unit for temperature measurement Unit for frequency measurement Decibel calculation indicator Unit for percentage calculation Unit for duty cycle ratio calculation U...

Page 27: ...g the black testing lead into the COM input terminal and the red testing lead into the V TEMP input terminal 3 Connect the testing leads to the circuit under test and then read the value when it stabi...

Page 28: ...t Turn off the power to the circuit under test before starting measurement in order to prevent any excessive voltage from being applied to the instrument 1 Turn the function switch to the position 2 P...

Page 29: ...ads to the circuit under test If the circuit is continuous no more than approximately 100 the buzzer sounds Diode Test CAUTION To avoid damage to instrument Turn off the power to the circuit under tes...

Page 30: ...ead to the cathode Normally the display shows the OL symbol indicating that the diode under test is normal The diode is defective if the display gives a certain voltage level Black testing lead Red te...

Page 31: ...following setting procedure to display F While pressing the SELECT RANGE and HOLD key simultaneously turn the function switch to the TEMP position Next time pressing the SELECT key the temperature uni...

Page 32: ...h and the input terminals for connecting the testing leads are appropriate for the desired mode of measurement 1 Turn the function switch to the A mA or A position If the magnitude of the current bein...

Page 33: ...esting lead into the V TEMP input terminal 3 Open the testing lead and press the SELECT key in 5nF range to adjust the capacitance to zero The display shows 0 000 4 Connect the testing leads to the ci...

Page 34: ...n sub display AUTO HOLD Function The instrument can automatically retain the measured value when the testing leads are handled as described below 1 Press the HOLD key to select u Auto hold function Th...

Page 35: ...ew peak value can be in HOLD Note Even though the input signals DCV DCA have negative polarity the peak value can be measured when the peak is in the positive direction 1 Press the REL key to relative...

Page 36: ...3 Enter the measured value The display shows the relative value or difference Percentage calculation Calculates and display the percentage value according to the following equation value measured valu...

Page 37: ...lows every time the RANGE key is pressed Shown in sub display Reference resistance value 4 8 16 32 50 75 93 110 125 135 150 200 250 300 500 600 800 900 1000 1200 Default value 600 MIN MAX AVG Function...

Page 38: ...nfluence is exerted on the recorded data even if the test leads are disconnected while the recording is stopped If overload is recorded the MIN or MAX display changes to OL display resulting in incorr...

Page 39: ...a data for the second time measurement or later 4 To cancel the function hold down the MEMORY key for one second MEM symbol disappears To save a Data LOGGING mode 1 Press the MEMORY key The display s...

Page 40: ...ppears To load a Data LOGGING mode 1 Press the MEMORY key The display shows the MEM symbol 2 Press the READ 5000 LIGHT key 3 Press the LOG MIN MAX key to select the number of saved data Select the num...

Page 41: ...bol 2 Hold down the LOG MIN MAX key for one second The display shows the CLr symbol 3 Press the LOG MIN MAX key All data is deleted AUTO POWER OFF Function To use the AUTO POWER OFF function The displ...

Page 42: ...function switch to the OFF 2 Turn the function switch to the desired position of any measurement mode function The AUTO POWER OFF function is enabled again The display shows the AUTO OFF indication CA...

Page 43: ...late the average 8 times approx 2 4 seconds This function is available for Voltage Current and Resistance mode measurement Note Additional functions simply set when POWER ON can be used 5000 display m...

Page 44: ...sting leads Before carrying out calibration read the instruction manual of the calibrator Temporarily remove the testing leads from the instrument before switching measurement mode function Conditions...

Page 45: ...at the same time The display shows the CAL symbol then the PASS symbol 2 Press the SELECT key The display shows the symbol 3 Press the HOLD key twice The display shows the symbol 4 Press the RANGE ke...

Page 46: ...A AC 500mA AC 5A AC 10A 50 000 500 00 2000 0 5 0000 50 000 500 00 1000 0 50 00 0 5000 5 000 50 00 100 0 0 00 0 0000 0 000 0 00 0 0000 0 000 0 0 500 00 5000 0 50 000 500 00 5 0000 10 000 50 00 500 0 5...

Page 47: ...table 2 1 Set the calibrator to Input value as an input to the instrument 2 Press the MEMORY key 3 After 20 seconds buzzer sounds and the instrument confirm calibration Do not next key operation till...

Page 48: ...ss the RANGE key The display shows the nF symbol 5 Connect the instrument to the calibrator with the testing leads 6 Set the calibrator to Input 1 value as an input to the instrument 7 Press the HOLD...

Page 49: ...s before replacing the batteries CAUTION Do not mix batteries of different types or new batteries with used ones Make sure the polarities of the new batteries are exactly as shown on the battery holde...

Page 50: ...ent with the casing left open In order to avoid damage to the instrument or any possible accident use fuses of the specified rating Fuse rating F1 A1518EF 500mA 600V F2 A1519EF 15A 600V To replace the...

Page 51: ...he instrument be calibrated once every year SEE ALSO User Calibration Function Contacts of Services Please contact one of the Yokogawa M C sales offices listed on the back cover of this manual or the...

Page 52: ...GAWA AMERICA DO SUL S A BRAZIL Phone 55 11 5681 2400 Facsimile 55 11 5681 1274 YOKOGAWA ENGINEERING ASIA PTE LTD SINGAPORE Phone 65 6241 9933 Facsimile 65 6241 2606 YOKOGAWA MEASURING INSTRUMENTS KORE...