733 User Manual
Contents
1. C to 50 C e Storage temperature and humidity ranges 20 C to 60 C 70 RH maximum e Power supply AA size R6 or LR6 batteries 2 e Battery life Approximately 300 hours at DC viltage measurment using alka line batteries External dimensions 85 W x 191 H x 40 D mm excluding protrusions e Weight Approx 450 g including batteries e Safety standards EN61010 1 EN61010 2 031 AC DC 600V CAT M AC DC 1000V CAT II Pollution degree 2 EN55011 Group Class B EN61326 1 e Effect of radiation immunity Accuracy range of reading Rated accuracy 8 of each range for the strength of a radio frequency electromagnetic field of 3 V m e Operating environment 2000 m max above sea level indoors e Withstand voltage 5 55 kVAC 1 minute between input terminal and casing e Accessories Batteries 2 Testing leads RD031 1 set Instruction manual 1 EMC standards e Optional Accessories Thermistor measuring probe 234901 2 Performance Test conditions Temperature and humidity 23 C 5 C at 80 RH or below Accuracy percentage of reading number of digits Note Each response noted below is a value measured in the Range Hold mode DC Voltage Measurement V Range Resolution Input Maximum 73301 73302 amp 73303 Resistance Input Voltage 400 mV 4V 11 MQ 1000 V DC 40 V 0 3 1 0 2 1 1000 Vrms AC 1000 V 1V Normal mode rejection ratio 60 dB or better at 50 60 Hz Common mode rejection ra2. not supported on the 73301 multimeter Range Resolution Input Voltage Maximum Input 73302 amp 7333 Voltage 10 00 to 99 99 Hz 0 01 Hz 0 2 to 400 Vrms 90 0 to 999 9 Hz 0 1 Hz 600 Vrms 0 02 1 0 4 to 400 Vrms 0 8 to 100 Vrms 100 Vrms 0 900 to 9 999 kHz 0 001 kHz 9 00 to 99 99 kHz 0 01 kHz AC Coupling Calibration and Maintenance Calibration Cycle It is recommended that the instrument be calibrated once a year see also User Calibration Function YOKOGAWA Yokogawa Meters amp Instruments Corporation Yokogawa Meters amp Instruments Corporation International Sales Dept Tachihi Bld No 2 6 1 3 Sakaecho Tachikawa shi Tokyo 190 8586 Japan Phone 81 42 534 1413 Facsimile 81 42 534 1426 2006 2
3. 73303 DC Voltage Measurement V a Turn the function switch from the OFF position to the V position b Plug the black testing lead into the COM input terminal and the red testing lead into the F Ve Qe input terminal c Connect the testing leads to the circuit under test and then read the meter when it stabilizes NOTE Do not mistake the following for a malfunction If the 400 mV range is selected and the testing leads are left open circuited the multim eter may give a certain reading This does not affect your measurement e Resistance Measurement 9 BE A CAUTION To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to pre vent any excessive voltage from being applied to the multimeter a Turn the function switch from the OFF position to the Q position b Plug the black testing lead into the COM input terminal and the red testing lead into the 4k V Q e K input terminal c Connect the testing leads to the circuit under test and then read the meter when it stabilizes Continuity Check A CAUTION To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to pre vent any excessive voltage from being applied to the multimeter a Turn the function switch from the OFF position to the Q position b Press the SELECT key to display the symbol
4. A 0 1 uA lt 0 12 MV A 400 mA 4000 pA TBA The input is protected by a mA 40 mA 0 01 mA lt 3 3 mV mA 500 mA 600 V 400 mA 0 1 mA 0 5 2 fuse A 4A 0 001 A ma f o e input is 10A 0 01A 1 2 2 lt 0 1 V A protected by a 15 A 600 V fuse Response 1 sec maximum AC Current Measurement A 73301 AC Coupling Based on mean value detection and root mean square value calibration Range Resolution Voltage Drop Maximum Input 50 60 Hz 40 1 kHz Current uA 400 uA 0 1 uA lt 0 12 mMV uA 400 mA 4000 uA 14A The input is protected by a mA 40mA 0 01 mA lt 3 3 mV mA 500 mA 600 V 5 1 5 5 A fuse 10A The input is protected by a 15 A 600 V fuse 400 mA 0 1 mA 4A 0 001 A Response 2 sec maximum AC Current Measurement A 73302 amp 73303 AC Coupling Based on root mean square value calibration 73303 and mean value detection and root mean square value calibration Range Resolution Voltage Drop Maximum Input 50 60 Hz 40 1 kHz Current uA 400 uA 0 1 uA 0 12 mMV pA 400 mA 4000 pA THA 0 75 5 The input is protected by a mA 40mA_ 0 01 mA Note 1 5 5 lt 3 3mV mA 500 mA 600 V A 400 mA 0 1 mA Note fuse 4A 0 001A 1 45 wa i o e input is 10 DONA Note lt 0 1 WA protected by a 15 A 600 V fuse Response 3 sec maximum Crest factor lt 3 73303 Note 5 to 100 of the full scale and 10 A range is 2 to 10 A 73303 Resistance Measuremen
5. User s Manual Model 73301 02 03 Digital Multimeters Store this manual in a safe place for future reference IM 73301E 6th Edition Jan 2007 KP YOKOGAWA Yokogawa Meters amp Instruments Corporation User Calibration Function It is recommended that the instrument be calibrated periodically Use the keys on the faceplate of 733 series of multimeters to carry out calibration Use the calibrator with ten times the accuracy of 733 series A CAUTION e Connect the calibrator to the multimeter with the calibrator s testing leads Before carrying out calibration read the instruction manual of the calibrator e Calibration temperature and humidity 2343 C 55 RH or below Leave the multimeter for 30 minutes to enable it to reach room temperature before carrying out calibration Temporarily remove the testing leads from the multimeter before switching between DC and AC or voltage and current during calibration To calibrate the multimeter Note Start calibration of the mV range calibration of other ranges will become possible after mV calibration has been completed a Turn the function switch from the OFF position to the mV position while pressing the SE LECT and RANGE keys at the same time The display shows the CAL symbol then the PASS symbol b Press the SELECT key The display shows the symbol c Press the D H A H key twice The display shows the symb
6. alue reference value measured value reference value a Enter the reference value b Press the REL button to display the symbol c Enter the measured value d Press the REL button again to display the symbol e The display shows the percentage value AUTO POWER OFF function The multimeter automatically turns off if no key is pressed for a period of 20 minutes The multimeter will beep for approximately 30 seconds to alert the operator before the AUTO POWER OFF function takes effect Pressing any key while the multimeter is beeping postpones the power off time Pressing any key once after the power to the multimeter is automatically turned off switches the multimeter on again To cancel the AUTO POWER OFF function hold down the D H A H key and then turn the function switch from OFF to the desired position of any measurement mode The AUTO POWER OFF indication turns off when the function is canceled To enable the function once again temporarily turn the function dial back to the OFF position and then select the desired measurement mode When this function is complete turn the function switch back to the OFF position and turn off the multi meter Battery Replacement If the batteries fall below the normal operating voltage the symbol turns on If this appens replace the batteries with new ones two AA size R6 or LR6 batteries A CAUTION To avoid electric shock Be SURE to disconnect the multimeter
7. ator AVG average voltage measurement indicator AUTO POWER OFF TO POWER OFF indicator nF gF it for capacitance measurement mV V it for voltage measurement HA mA A it for current measurement Q KQ MQ it for resistance measurement C it for temperature measurement Hz it for frequency measurement it for percentage calculation Lit when the batteries are low Bar graph indicator Measuring Instructions mZ i CAUTION To aboid damage to Instrument or equipment Before starting measurement make sure that the function switch mode is set and the testing leads are plugged into the terminals required for the desired mode of measure ment Temporarily remove the testing leads from the device under test before operating the ojd Zj D H A H R H UTO O function switch AC Voltage Measurement V a Turn the function switch from the OFF position to the V or mV position b Press the SELECT key when the mV mode is selected the display shows the symbol c Plug the black testing lead into the COM input terminal and the red testing lead into the 4 V e Q e kt input terminal d Connect the testing leads to the circuit under test and then read the meter when it stabilizes Note When the V mode is selected the AC voltage can be displayed as an average or effec tive value Press the SELECT key to display the AVG or RMS symbol
8. bed below a Press the D H A H key to select the function The display shows the EE symbol b Connect the testing leads to the object under test c When the reading stabilizes the buzzer sounds d Remove the testing leads from the object under test e The multimeter now shows the measured value that it retains You can repeat steps b to e as many times as you like as long as the display shows the Bi symbol g To cancel this function press the D H A H key once again The PE symbol disappears NOTE Do not mistake the following for a malfunction In DC AC voltage measurement the AUTO HOLD function is only available for ranges greater than the 4 V range e This function is not available for Capacitor check Temperature mode measurement Continuity check and Frequency measurement The AUTO HOLD function cannot be applied to unstable signals REL amp Calculation Function The 733 series of multimeters can calculate relative values or differences and percentage values from the reference measurement values 1 REL calculation Subtracts the reference value from the measured value to display the relative value or difference a Enter the reference value b Press the REL key to display the symbol c Enter the measured value d The display shows the relative value or difference 2 calculation Calculates and displays the percentage value according to the following equation v
9. c Plug the black testing lead into the COM input terminal and the red testing lead into the 4F Ve Qe input terminal d Connect the testing leads to the circuit under test If the circuit is continuous no more than approximately 20 Q the buzzer sounds Diode Test lt I A CAUTION To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to pre vent any excess voltage from being applied to the multimeter a Turn the function switch from the OFF position to the Q position For 73301 turn to the x position b Press the SELECT key to display the symbol c Plug the black testing lead into the COM input terminal and the red testing lead into the f VeQe input terminal d Connect the testing leads to the diode under test and then read the meter when it stabilizes 1 Forward bias Diode Test Connect the black testing lead to the cathode and the red testing lead to the anode 2 Reverse bias Diode Test Connect the black testing lead to the anode and the red testing lead to the cathode Temperature Measurement TEMP A CAUTION To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to pre vent any excessive voltage from being applied to the multimeter a Turn the function switch from the OFF position to the Q position b Press the SELECT key three times to select the TEMP mo
10. de the display shows the C symbol c Plug the black lead of the optional 234901 thermistor measuring probe into the COM input terminal and the red lead into the 4 V Q e input terminal d Connect the testing leads to the circuit under test and then read the meter when it stabilizes Current Measurement uA mA A A CAUTION To avoid damage to instrument Check which mode the function switch is set to before starting measurement a Turn the function switch from the OFF position to either the uA mA or A position If the magnitude of the current being measured is not known select the A position Make sure the current being measured is no more than 0 4 A before the LA or mA position is selected b Press the SELECT key to select DC or AC measurement c Plug the black testing lead into the COM input terminal and the red testing lead into the A input terminal If the current is in the order of milli amperes or less plug the red testing lead into the HA mA input terminal d Connect the testing leads to the circuit under test and then read the meter when it stabilizes Capacitor Check 4 A CAUTION To avoid damage to instrument Turn off the power to the circuit under test before starting measurement in order to pre vent any excess voltage from being applied to the multimeter a Turn the function switch from the OFF position to the 4 position b Plug the black testing lead into the COM
11. der to avoid the risk of injury or death of personnel and or damage to the instrument O Double Insulation This symbol indicates double insulation AC Voltage Current This symbol indicates AC voltage current DC Voltage Current This symbol indicates DC voltage current Fuse This symbol indicates a fuse Ground This symbol indicates ground earth A WARNING E To avoid electric shock Do not use deteriorated or damaged testing leads Check testing leads before use Do not use the instrument if there is any damage to the casing or when the casing is removed e Disconnect testing leads from the circuit under test before opening the casing to re place the batteries or for any other reason e Avoid using the instrument if it has been exposed to rain or moisture or if your hands are wet E To avoid electric shock or fire Do not use the instrument in an atmosphere containing any flammable or explosive gases A WARNING E Measurement Category CAT The restrictions on the maximum voltage level for which the 73301 73302 and 73303 multimeters can be used depend on the Measurement categories specified by the safety standards Measurement Category CAT Maximum Input Voltage mM 600 V AC DC II 1000 V AC DC CAT I For measurements performed on circuits not directly connected to MAINS CAT III For measurements performed on circuits directly connected to the low voltag
12. e installation CAT III For measurements performed in the building installation m A CAUTION Do not use the multimeter near noise emitting equipment or where there may be a sudden change of temperature Otherwise the instrument may give an unstable read ing or errors Do not wipe the instrument using any organic solvent such as benzine or paint thinner as this may damage or discolor the front panel Use a dry cloth to clean the instrument Do not leave the multimeter exposed to direct sunlight or in a hot and humid location such as the inside of a car for any prolonged length of time NOTE e Radiation immunity affects the accuracy of 733 Series digital multimeter under the conditions specified in EN 61326 1 Ifequipment generating strong electromagnetic interference is located nearly the testers may malfunction 1 Function Switch Turns off the power or selects the measurement mode OFF Turns off the power V AC voltage measurement DC voltage measurement mV DC voltage measurement in milli volts Q Resistance measurement 4k Capacitor check 73302 amp 73303 E Diode test 73301 uA mA A DC AC current measurement 2 SELECT key This button is enabled only if the multimeter is in one of the following measurement modes e V In this mode the key selects the frequency measurement in hertz 73302 amp 73303 In this mode the key selects the AC voltage measurement in an average
13. from the circuit under test before replacing the batteries Replace both batteries at the same time making sure to position their polarities correctly To replace the batteries a Remove the four screws on the back of the casing CC ae T b b Open the casing c Take the battery holder out of the casing d Replace the batteries with new ones and install the battery holder S c back into the casing e Close the casing and fasten it with the four screws 1 at 1 Fuse Replacement If a current greater than the rated value flows when the multimeter is in the current measure ment range a protection fuse may blow If this happens replace that fuse The multimeter contains the following two types of fuses e F1 fuse type A1518EF 600 V 500 mA e F2 fuse type A1519EF 600 V 15 A m A CAUTION To avoid electric shock Be SURE to disconnect the multimeter from the circuit under test before replacing the fuse s e Do NOT operate the multimeter with the casing left open e In order to avoid damage to the multimeter or any possible accident use fuses of the specified rating To replace the fuse s a Remove the four screws on the back of the casing oc cS b Open the casing c Remove the blown fuse from the fuse holder Fi Type A1518EF H d Install a new fuse in the holder 600 V 500 mA 1D l e Close the casing and fasten it with t
14. he four protection fuse 000 screws F2 Type A1519EF Prk 600 V 15 A protection fuse View with the Casing Open Specifications 1 Standard Specifications e Measurement functions AC voltage DC voltage AC current DC current resistance conti nuity diode temperature frequency and capacitance Note This function is not supported on the 73301 multimeter Note e Additional functions Data hold Automatic hold manual range selection REL over range alarm and automatic power off e Display LCD display that is capable of indicating a significant reading of up to 4000 counts in the digital display and 40 segments in the bar graph display along with the indications of the unit indication is given for positive polarity The display also has the OL over range and low battery alarm indicators Note The most significant reading is 9999 counts for the frequency measurement e Range selection Manual or automatic e Measurement cycle Digital 2 3 times per second where the cycle for frequency mea surement is once every second and 0 2 to 2 times every second for capacitor measurement Bar graph 23 times per second e Operating temperature range 10 C to 50 C with guaranteed accuracy of 23 C 5 C with no condensation Where the range is 10 C to 40 C for a humidity of 80 RH or below and 40 C to 50 C for a humidity of 70 RH or below Temperature coefficients Add accuracy x 0 1 C at 10 C to 18 C or 28
15. input terminal and the red testing lead into the 4 Ve Qe kt input terminal c Open the testing lead and press the SELECT key to adjust the stray capacitance to zero the display shows 0 00 d Connect the testing leads to the capacitor under test and then read the meter when it stabilizes When the capacitor check is below the capacity at zero calibration 0 00 is displayed until the power off NOTE Do not mistake the following for a malfunction Zero calibration is only effective when the 10 nF range is selected Frequency Measurement Hz m A CAUTION To avoid damage to instrument Check which mode the function switch is set to before starting measurement a Turn the function switch from the OFF position to the V position b Press the SELECT key to select Hz measurement the display shows the Hz symbol c Plug the black testing lead into the COM input terminal and the red testing lead into the 4 Ve Qe K input terminal d Connect the testing leads to the circuit under test and then read the meter when it stabilizes NOTE Do not mistake the following for a malfunction If the Frequency measurement range is selected and the testing leads are left open circuited the multimeter may give some kind of reading This does not affect your measurement AUTO HOLD Function The 733 series of multimeters can automatically retain the measured value when the testing leads are handled as descri
16. ol d Press the RANGE key The display shows the mV symbol e Connect the multimeter to the calibrator with the testing leads f Set the calibrator to 380 mVDC as an input to the multimeter g Press the D H A H key After the value stabilizes press the D H A H key to confirm the calibration value h Carry out calibration of other ranges by repeating steps f and g in accordance to Table 1 i To quit calibration turn the function switch back to the OFF position Table 1 Input Signal for Calibration 400 mVDC 380 mV 400 ADC 380 WA 10 nF 4VDC 3 8 V 4000 ADC 3800 uA 100 nF 40 VDC 38 V 40 mADC 38 mA 1 uF 400 VDC 380 V 400 mADC 380 mA 10 uF 1000 VDC 1000 V 4 ADC 3 8A 100 uF 10 ADC 10A 1000 uF VAC RMS 3 8 V at 60 Hz VAC AVG 3 8 V at 60 Hz AAC 38 mA at 60 Hz Safety Precautions To ensure safe use of the product strictly adhere to the precautions indicated by the following symbols throughout this manual N Indicates a hazard that may result in the loss of life or serious injury of WARNING the user unless the described instruction is abided by A Indicates a hazard that may result in an injury to the user and or physical CAUTION damage to the product or other equipment unless the described instruc tion is abided by The instrument and this manual also use the following safety symbols AN Caution This symbol indicates that the operator must refer to an explanation in the instruction manual in or
17. t 9 Range Resolution Measuring Open loop Input Protective 73301 73302 amp 73303 Current Voltage Voltage lt 1 4mA lt 3 4 V aieri Note Re lt 1 3 pA lt 1 3V 0 001 MQ 0 5 1 lt 130nA 40Ma 0 01 Ma Response 2 sec maximum for ranges lower than the 400 kQ range 10 sec maximum for ranges higher than 4 MQ Note Readings in the 400 Q range are the values after zero calibration has been completed Continuity Check Range Resolution Range of Operation Measuring Current Open loop Input Protective Voltage Voltage The buzzer turns on 400 Q 012 for resistances lower 0 8 mA lt 3 4V 600 Vrms than 20 Q Diode Test x Range Resolution Accuracy Measuring Current Open loop Input Protective Vf 0 6 V Voltage Voltage 0 001 V About 0 5 mA 600 Vrms Temperature measurement TEMP Input Protective Voltage 1 C for 0 C to 70 0 C range 50 0 C to 150 C 0 1 C 2 C for 30 0 C to 0 C range 600 Vrms and 70 0 C to 150 0 C range Accuracy is the value when measured in combination with the 234901 optional Capacitor Check This function is not supported on the 73301 multimeter Range Resolution Accuracy Input Protective Voltage 73302 amp 73303 2 10 10 nF Readings are the values after zero calibration has been completed 100 nF 1000 nF 2 5 10 uF 100 uF 1000 uF 600 Vrms 38 5 Frequency measurement Hz This function is
18. tio 120 dB or better Response 1 sec maximum AC Voltage Measurement V 73301 AC coupling Based on mean value detection and root mean square value calibration 40 500 Hz Voltage 1000 voc 0 5 2 1 2 15 4 1000 Vrms AC Common mode rejection ratio 60 dB or better at DC to 60 Hz AC frequencies where Rs 1 kQ Response 2 sec maximum AC Voltage Measurement V 73302 AC coupling Based on mean value detection and root mean square value calibration Range Resolution Input Impedance Maximum Input 50 60 Hz 40 500 Hz 500 1 kHz Voltage 11 MQ lt 50 pF 1000 VDC 0 5 2 0 75 2 1 5 4 1000 Vrms AC Ls Common mode rejection ratio 60 dB or better at DC to 60 Hz AC frequencies where Rs 1 kQ Response 2 sec maximum 10 MQ lt 50 pF AC Voltage Measurement V 73303 AC coupling Based on root mean square value detection and mean value detection excluding 400 mV range and root mean square value calibration excluding 400 mV range 50 60 Hz Voltage 1000 voc 5 Note 0 01V 0 5 5 15 5 1000 Vrms AC Note 10 MQ lt 50 pF 400 V Note Common mode rejection ratio 60 dB or better at DC to 60 Hz AC frequencies where Rs 1 kQ Response 2 sec maximum Crest factor lt 3 Note 5 to 100 of the full scale and 1000 V range is 200 to 1000 V DC Current Measurement A Range Resolution Voltage Drop Maximum Input 73301 73302 amp 73303 Current uA 400 u
19. value 73303 mV In this mode the key selects AC voltage measurement in milli volts Q In this mode the key selects among the continuity check diode test and tempera ture measurement JH In this mode the button adjusts the stray capacitance of the testing leads and the multimeter itself to zero 73302 amp 73303 e pA mA A In this mode the button selects AC current measurement 3 RANGE key Allows the operator to select the measuring range manually the display shows the GEH sym bol The range increases as the button is pressed To return to the normal auto ranging mode hold down this button for at least one second until the display shows pumpa 4 D H A H key Selects between the DATA HOLD and AUTO HOLD functions the display shows the DEH symbol when in the DATA HOLD mode and the EH symbol when in the AUTO HOLD mode 5 REL key Selects between REL and calculations the display shows the symbol when in the mode and the REL and symbols when in the mode lt 6 gt Display lt 2 gt SELECT key lt 3 gt RANGE key lt 5 gt REL key lt 4 gt D H A H key lt 1 gt Function switch Input terminal 6 Display Description iweni DG mode measuremen it when in AC mode measurement ae Lit when in diode test Lit when in continuity check EL calculation indicator ATA HOLD indicator UTO HOLD indicator anual range indicator UTO RANGE indicator root mean square voltage measurement indic
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