Store this manual in a safe place for future reference.
Contents
1. View with the Casing Open Specifications 1 General Specifications e Measurement functions AC voltage DC voltage AC current 73201 02 03 DC current 73201 02 03 resistance continuity diode and capacitance 73202 03 e Additional functions Auto hold manual range selection over range alarm and Auto power off e Display LCD display that is capable of indicating a significant reading of up to 4300 counts along with the indications of the unit and function It shows the negative polarity only no indication is given for positive polarity The display also has the OL or over range and low battery alarm indicators Note The most significant reading is 210 counts for the diode test and 2300 counts for the capacitor check e Range selection Manual or automatic Sampling 2 times sec e Operating temperature and humidity ranges 0 to 50 C Accuracy guaranteed range 23 5 C Where the range is 0 to 40 C for humidity of 80 RH or less and 40 to 50 C for humidity of 70 RH or less e Storage temperature and humidity ranges 20 C to 60 C 70 RH maximum e Battery life Approximately 600 hours when continuously operated on alkaline batteries Power supply AAA size batteries ANSI vesiin 2 External dimensions 74 W x 155 H x 31 D mm excluding protrusions e Weight e Safety standards Approx 240 g including batteries EN61010 1 EN61010 2 031 AC DC 300V CAT AC DC 600 V CAT II Pollution degree2 EN550112. exceeds 30 seconds Response 2 sec maximum e Resistance Measurement Q Range Resolution Accuracy Measuring Open loop Input Protective 73201 02 03 04 Current Voltage Voltage 400 Q 0 1 Q 0 75 2 lt 1 0 mA lt 3 4V 600 V 4K Q 0 001 kQ lt 0 5 mA lt 1 0 V 40K Q 0 01 KQ 0 75 1 lt 70 pA lt 0 7 V 400K Q 0 1 KQ lt 7 uA 4M Q 0 001 MQ 2 1 lt 0 7 pA 40M Q 0 01 MQ 5 2 lt 70 nA Response 1 sec maximum for ranges lower than the 400 KQ range 5 sec maximum for the 4 MQ range and 15 sec maximum for the 40 MQ range e Continuity check Range Resolution Range of operation Open circuit Input Protective 73201 02 03 04 Voltage Voltage 400 Q 0 1 2 The buzzer turns on for lt 3 4V 600 V resistances lower than 50 20 Q Response 0 2 sec maximum for a buzzer response Diode Test Range Resolution Accuracy Open circuit Input Protective 73201 02 03 04 Voltage Voltage 2V 0 01 V 1 1 for measuring currents lt 3 4V 600 V smaller than 1 0 mA Response sec maximum e Capacitor check 44 Range Resolution Accuracy Protection Fuse 73201 04 73202 73203 20 nF 0 01 nF This function 2 5 typical By means of 200 nF 0 1 nF isnot Readings in the 20nF range are a 500 mA 250 V fuse available values after zero calibration 2 WF 0 001 WF has been completed
3. the AUTO HOLD function is only available for ranges greater than the 4 V range This function is not available for current mode measurement In a capacitor check the AUTO HOLD function requires a few seconds before it takes effect The AUTO HOLD function cannot be applied to unstable signals g To cancel this function press the EJ key once again 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 one minute to alert the operator before the automatic 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 automatic power off function hold down the SELECT key and then set the func tion switch from the OFF to the position of any desired measurement mode The AUTO POWER OFF indication turns off when the function is canceled To enable the function once again temporarily switch the function switch back to the OFF position and then select the desired measurement mode Battery Replacement If the batteries fall below the normal operating voltage the symbol turns on If this happens replace the batteries with new ones AAA size ANSI batteries 2 A CAUTION To avoid electric shock Be sure to disconnect the mul
4. to Instrument or equipment Before starting measurement check to which mode the function switch is set and make sure the testing leads are plugged into the terminals for the desired mode of measure ment Temporarily remove the testing leads from the device under test before operating the function switch AC Voltage Measurement V a Set 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 VeQe t input terminal c Connect the testing leads to the circuit under test and then read the multimeter when it stabilizes d When measurement is complete set the function switch back to the Black testing lead Red testing lead OFF position and turn off the multimeter DC Voltage Measurement V a Set 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 VeQe input terminal c Connect the testing leads to the circuit under test and then read the multimeter when it stabilizes d When measurement is complete set the function switch back to the Black testing lead OFF position and turn off the multimeter Red testing lead 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 certai
5. 20 uF 0 01 WF 200 uF 0 1 uF Response 1 sec maximum
6. Group 1 Class B EN61326 1 Effect of EMS immunity Accuracy range of reading Rated accuracy 5 0 of each range EMC standards for the strength of a radio frequency electromagnetic field of 3 V m e Operable altitude 2000m or less above sea level e Accessories Batteries housed in the instrument 0 cececeeeeseeeeteeeeeeeeeeees 2 Testing leads saeia ar cases canssactvis AEE RE Iset Spare fuse F05 500 mA 250 V F02 15 A 250 V Instruction manual 2 Electrical Specification 23 5 C at 80 RH maximum percentage of reading number of LSD reading Test conditions Accuracy Note Each response noted below is a value measured in the Range Hold mode manual range setting DC Voltage Measurement V Range Resolution Accuracy Input Maximum 73201 73202 04 73203 Resistance Input Voltage 400 mV 0 1 mV 0 5 1 gt 100MQ 600 V 4V 0 001 V 11MQ 40 V 0 01 V 0 5 1 0 3 1 10MQ 400 V 0 1 V 0 75 1 600 V 1V Response 1 5 sec maximum for 400 mV range or 1 sec maximum for other ranges AC Voltage Measurement V Mean value detection and rms value calibration Range Resolution Accuracy 40 500 Hz Input Maximum 73201 73202 73203 04 Resistance Input Voltage 4V 0 001 V 11 MQ lt 50 pF 600 V 40V 0 01 V 10 MQ lt 50 pF 1 5 0 75 5 400 V 01V 600 V 1V Response 2 sec maximum DC Current Me
7. Test Capacitor Check 4H This function is not supported on the 73201 04 multimeters A CAUTION To avoid damage to Instrument or equipment Before starting measurement be sure to discharge the capacitor under check Red testing lead Black testing lead a Set the function switch from the OFF position to the 4 position b Plug the black testing lead into the COM input terminal and the red testing lead into the uAemAe4 input terminal c Press the SELECT key to adjust the stray capacitance to zero the display shows the symbol d Connect the testing leads to the circuit under check and then read the multimeter when it stabilizes e When measurement is complete set the function switch back to the OFF position and turn off the multimeter NOTE Do not mistake the following for a malfunction Zero calibration is only effective when the 20nF range is selected Current Measurement uA mA A This fucntion is not supported on the 73204 multimeter m A CAUTION when restart To avoid damage to instrument e Check to which mode the function dial is set before starting measurement e A current of 11 to 20 A can also be measured if the time interval is kept within 30 seconds The buzzer will sound if the interval exceeds 30 seconds If this happens immediately stop measurement To continue measurement wait for 2 minutes or more b When measuring AC a Set the
8. User s Manual Model 73201 02 03 04 Digital Multimeters Store this manual in a safe place for future reference IM 73201E 5th Edition Feb 2006 KP YOKOGAWA Yokogawa Meters amp Instruments Corporation 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 YOKOGAWA CORPORATION OF AMERICA U S A Phone 1 770 253 7000 Facsimile 1 770 251 2088 YOKOGAWA EUROPE B V THE NETHERLANDS Phone 31 334 64 1611 Facsimile 31 334 64 1610 YOKOGAWA ENGINEERING ASIA PTE LTD SINGAPORE Phone 65 6241 9933 Facsimile 65 6241 2606 YOKOGAWA AMERICA DO SUL S A BRAZIL Phone 55 11 5681 2400 Facsimile 55 11 5681 1274 YOKOGAWA MEASURING INSTRUMENTS KOREA CORPORATION KOREA Phone 82 2 551 0660 to 0664 Facsimile 82 2 551 0665 YOKOGAWA AUSTRALIA PTY LTD AUSTRALIA Phone 61 2 9805 0699 Facsimile 61 2 9888 1844 YOKOGAWA INDIA LTD INDIA Phone 91 80 4158 6000 Facsimile 91 80 2852 1441 YOKOGAWA SHANGHAI TRADING CO LTD CHINA Phone 86 21 6880 8107 Facsimile 86 21 6880 4987 YOKOGAWA MIDDLE EAST E C BAHRAIN Phone 973 358100 Facsimile 973 336100 LTD YOKOGAWA ELECTRIC RUSSIAN FEDERATION Phone 7 095 737 7868 Facsimile 7 095 737 7869 iiaEBo0Re Safety Precautions Various symbols are
9. asurement A This function is not supported on the 73204 multimeter Range Resolution Accuracy Voltage Maximum 73201 73202 73203 Drop Input Current HA 400 pA l 0 1 pA lt 0 17 mV LA 400 mA The input is munis IA 1 2 protected by a mA 40 mA 2 0 01 mA lt 3 mV mA 500 mA 250 V 400 mA 0 1 mA fuse A 10 A 3 0 01 A lt 0 04 V A 10A The input is 2 2 protected by a 15 A 250 V fuse 1 2 These ranges may produce a readout error equivalent to several times their resolution 3 A current of 11 to 20 A can also be measured if the time interval is kept within 30 seconds The buzzer will sound if the interval exceeds 30 seconds Response 1 sec maximum AC Current Measurement A This function is not supported on the 73204 multimeter Mean value detection and rms value calibration Range Resolution Accuracy 40 500 Hz Voltage Maximum 73201 73202 73203 Drop Input Current uA 400 pA l 0 1 pA 2 20 lt 0 17 mV MA 400 mA 4000 WA 1A 2 5 The inp tis protected by a mA 40 mA 2 0 01 mA 2 20 lt 3 mV mA 500 mA 250 V 400 mA 0 1 mA 2 5 fuse A 10 A 3 0 01 A 2 5 20 lt 0 04 V A 10A The input is protected by a 15 A 250 V fuse 1 2 These ranges may produce a readout error equivalent to several times their resolution 3 A current of 11 to 20 A can also be measured if the time interval is kept within 30 seconds The buzzer will sound if the interval
10. ere there may be a sudden temperature change Otherwise the instrument may produce an unstable read ing or errors Do not wipe the instrument using any organic solvent such as benzine or paint thinner Otherwise the front panel may be damaged or discolored When cleaning the instru ment use a dry cloth 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 1 Function Switch Turns off the power or selects the measurement mode OFF Turns off the power V AC voltage measurement c V DC voltage measurement Q o Resistance measurement and continuity check 73202 03 Q Resistance measurement 73201 04 Continuity check 73201 04 h Diode test dh Capacitor check 73202 03 pA DC AC current measurement in micro amperes mA DC AC current measurement in milli amperes 73201 02 03 A DC AC current measurement in amperes 2 SELECT key 73202 03 or key 73201 This function is not supported on the 73204 multimeter This key is enabled only if the multimeter is in one of the following measurement modes Q e In this mode the button selects between the resistance measurement and continu ity test e 4k In this mode the button adjusts the stray capacitance of the testing leads and the multimeter itself to zero The display shows the symbol pA mA A In this mode the button selects between
11. es or for any other reason Avoid using the instrument if it has been exposed to rain or moisture or if your hands are wet E To avoid electrical shock or fire Do not use the instrument in an atmosphere where any flammable or explosive gas is present A WARNING E To avoid damage to instrument or electric shock The restrictions on the maximum voltage level for which the 73201 02 03 and 04 multimeters can be used depend on the measurement categories specified by the safety standards These category specifications are formulated to protect operators against transient impulse voltages in power lines Measurement Category CAT Maximum Input Voltage Il 600 V Il 300 V Measurement category Description Remarks I CAT I For measurements performed on circuits not directly connected to MAINS I CAT I For measurements performed on circuits Appliances portable equipments etc directly connected to the low voltage installation iit CAT II For measurements performed Distribution board circuit breaker etc in the building installation WV CAT IV For measurements performed Overhead wire cable systems etc at the source of the low voltage installation Internal Wiring Entrance Chle CAT Fixed Equipment LO ere Equipment m A CAUTION Do not use the multimeter near noise emitting equipment or wh
12. function switch from the OFF position to either the WA mA or A position If the magnitude of the current being measured is not known select the A position current press the SELECT key to select the AC mode The display shows the symbol to indicate AC mode 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 WAemAe 4 input terminal d Connect the testing leads to the circuit under test and then read the multimeter when it stabilizes e When measurement is complete set the function switch back to the OFF position and turn off the multimeter Red Black testing lead testing lead Red testing lead Black testing lead AUTO HOLD Function The 732 series of multimeters can automatically retain the measured value when the testing leads are handled as described below a Press the AUTO H key The display shows the pE 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 ER symbol NOTE Do not mistake the following for a malfunction In DC voltage measurement
13. k If the circuit is continuous no more than approximately 50 Q the buzzer sounds d When the test is complete place the function switch in the OFF position and turn off the multimeter Diode Test Black testing lead Red testing lead Black testing Red testi lead lead O Figure 1 Forward bias a Set the function switch from the OFF position to the position b Plug the black testing lead into the COM input terminal and the red testing lead into the VeQe lt input terminal c Connect the testing leads to the diode and then read the multimeter when it stabilizes 1 Forward bias Diode Test Connect the black testing lead to the cathode and the red testing lead to the anode see Figure 1 Silicon diodes should give a reading of approximately 0 5 V and light emitting diodes a reading between 1 5 V and 2 0 V Note that readings close to 0 V represent a short circuit and the symbol indicates an open circuit 2 Reverse bias Diode Test ng Connect the black testing lead to the anode and the red testing lead to the cathode see Figure 2 Normally the display shows the symbol indicating that the diode under test is normal The diode is defective if the display gives a certain voltage level d When the test is complete set the function switch back to the OFF position and turn off the multimeter Diode Test Red testing Black testing lead lead iT O Figure 2 Reverse bias Diode
14. n reading This does not affect your measurement Resistance Measurement Q 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 excessive voltage from being applied to the multimeter a Place the function switch in the Q position 73201 04 or Q po sition 73202 03 b Plug the black testing lead into the COM input terminal and the red testing lead into the VeQe input terminal c Connect the testing leads to the circuit under test and then read the multimeter when it stabilizes Black testing lead d When measurement is complete place the function switch in the Red testing lead OFF position and turn off the multimeter e Continuity Check m 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 If the model is 73201 or 04 place the function switch in the position If the model is 73202 or 03 place the function switch in the Q position and then press the SELECT key The symbol appears on the display b Plug the black testing lead into the COM input terminal and the red testing lead into the VeQe input terminal Black testing lead Redtestinglead Connect the testing leads to the circuit under chec
15. the DC and AC modes The 73201 multimeter comes with the key instead of the SELECT key This key is used only to select between the DC and AC modes in the current measurement mode 3 RANGE key This function is not supported on the 73204 multimeter Allows the operator to select the measuring range manually the display shows the gE sym bol To return to the normal auto ranging mode hold down this button for at least one second until the display shows AUTO 4 AUTO H key Set up AUTO HOLD function the display shows the pgg symbol lt 5 gt Display lt 2 gt SELECT key 73202 03 or key 73201 lt 3 gt RANGE key 2 and 3 are not supported on the 73204 multimeter lt 4 gt AUTO H key lt 1 gt Function switch Symbol and Unit Description Lit when in DC mode measurement Lit when in AC mode measurement Polarity indicator lit when the polarity is negative ae Lit when in diode test Lit when in continuity check A H AUTO HOLD indicator R H Manual range indicator AUTO Auto range indicator AUTO POWER OFF AUTO POWER OFF indicator nF uF Unit for capacitance measurement mV V Unit for voltage measurement Unit for current measurement Unit for resistance measurement Lit when stray capacitance is adjusted to zero Lit when the batteries are low Measuring Instructions mZ i CAUTION To avoid damage
16. timeter from the circuit under test before replacing the batteries Replace both batteries at the same time making sure to position them with the correct polarities To replace the batteries a Remove the three screws on the back of the casing CC b Open the casing T c Take the battery holder out of the casing o d Replace the batteries with new ones and install the battery N holder back into the casing e Close the casing and fasten it with the three screws 1 a L1 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 Type F05 250 V 500 mA fuse e Type F02 250 V 15 A fuse A CAUTION To avoid electric shock Be sure to disconnect the multimeter from the circuit under test before replacing the fuse s Do not operate the multimeter with the casing left open 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 three screws on the back of the casing b Open the casing c Remove the blown fuse from the fuse holder F02 15 A 250 V d Install a new fuse in the holder protection fuse e Close the casing and fasten it with the three screws F05 500 mA 250 V protection fuse
17. used on the instrument and thoughout this manual to ensure safe use of the product and to protect against possible hazards or damage The following safety symbols are used where app opriate Read the explanations carefully and familiarize yourself with the symbols before reading the text A This symbol indicates that misuse of the instrument could result in in WARNING jury or death of personnel A This symbol indicates that misuse of the instrument could result in in CAUTION jury of personnel or damage to the instrument The instrument and this manual also use the following safety symbols VAN Caution This symbol indicates that the operator must refer to an explanation in the instruction manual in order to avoid the risk of injury or death of personnel or damage to the instrument Double Insulation This symbol indicates double insulation Alternating current This symbol indicates AC voltage current Direct current This symbol indicates DC voltage current Fuse This symbol indicates a fuse m Earth TERMINAL This symbol indicates ground F 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 Disconnect the instrument from the circuit under test before opening the casing to re place the batteri
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