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Usage Notes

10

CAUTION

• Do not input voltage exceeding the specified

measurement range. Doing so may damage the
instrument.

• During the continuity check, diode test, or measurement

of resistance or capacitance, measurement signals are
generated in the terminals of the instrument. Depending
on the target for measurement, the measurement signal
may cause damage.

Seeing “Measurement current” and “Open circuit
voltage” in the accuracy table (p. 59), check, in
advance, that there are no adverse effects of the
measurement current and the open circuit voltage.

Precautions during shipment

Observe the following during shipment. Hioki cannot be
responsible for damage that occurs during shipment.

CAUTION

• During shipment of the instrument, handle it carefully

so that it is not damaged due to a vibration or shock.

• To avoid damage to the instrument, remove the

accessories and optional equipment from the

instrument before shipment.

If the instrument is not to be used for an extended
period of time

IMPORTANT

To avoid corrosion and/or damage to the instrument due to
battery leakage, remove the battery from the instrument if it is
to be kept in storage for an extended period.

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Содержание DT4221

Страница 1: ...Multimetro Digital 600V Básico Hioki HK DT4224 ...

Страница 2: ...DT4221 DT4222 DT4223 DT4224 Instruction Manual DIGITAL MULTIMETER EN Aug 2016 Revised edition 2 DT4221A981 02 16 08H ...

Страница 3: ... Battery Indicator 20 2 Preparation for Measurements 21 2 1 Measurement Workflow 21 2 2 Inserting Replacing the Battery 22 2 3 Using Test Leads 24 2 4 Installation in Measurement Location 27 Hanging the instrument with the strap 27 3 Performing Measurements 29 3 1 Inspection Before Use 29 3 2 Measuring Voltage 33 Measuring AC voltage 33 Measuring DC voltage 34 Measurement using the AC DC automatic...

Страница 4: ...2 4 2 Retaining the Measured Value 43 Retaining the measured value manually HOLD 43 Automatically retaining the measured value when the value stablizes AUTO HOLD DT4223 DT4224 44 4 3 Reducing the Noise FILTER 46 4 4 Checking the Relative Value Performing Zero Adjustment 48 Checking the relative value REL 48 Performing zero adjustment 49 4 5 Turning On the Backlight 51 4 6 Using the Auto Power Save...

Страница 5: ...i i 6 Maintenance and Service 65 6 1 Repair Inspection and Cleaning 65 6 2 Troubleshooting 66 6 3 Error Display 68 Appendix Appx 1 Appx 1 RMS and Average Appx 1 ...

Страница 6: ...iv Contents ...

Страница 7: ...ure that no damage occurred during shipping In particular check the accessories panel switches and connectors If damage is evident or if it fails to operate according to the specifications contact your authorized Hioki distributor or reseller Check the package contents as follows Instrument The holster has been attached DT4911 Test Lead p 24 LR03 Alkaline battery DT4224 DT4222 DT4223 Instruction M...

Страница 8: ...4 DT4911 Test Lead L4933 Contact Pin Set 33 V AC 70 V DC L4934 Small Alligator Clip Set CAT III 300 V CAT II 600 V C0200 Carrying Case The instrument test leads instruction manual and others can be stored in the case Z5004 Z5020 Magnetic Strap p 27 Attach this strap to the instrument and secure it on the wall surface such as a metal plate for use Options sold separately ...

Страница 9: ...ry or death as well as damage to the instrument Be certain that you understand the instructions and precautions in the manual before use WARNING With regard to the electricity supply there are risks of electric shock heat generation fire and arc discharge due to short circuits If persons unfamiliar with electricity measuring instruments are to use the instrument another person familiar with such i...

Страница 10: ...t or malfunction Indicates information related to the operation IMPORTANT of the instrument or maintenance tasks with which the operators must be fully familiar Indicates a high voltage hazard If a particular safety check is not performed or the instrument is mishandled this may give rise to a hazardous situation the operator may receive an electric shock may get burnt or may even be fatally injur...

Страница 11: ...tes a grounding terminal Indicates DC Direct Current Indicates AC Alternating Current Indicates DC Direct Current or AC Alternating Current Symbols for various standards Indicates the Waste Electrical and Electronic Equipment Directive WEEE Directive in EU member states Indicates that the instrument conforms to regulations set out by the EC Directive Screen display This instrument uses the followi...

Страница 12: ...th the following meanings Reading or displayed value rdg The value currently being measured and indicated on the measuring instrument Resolution dgt The smallest displayable unit on a digital measuring instrument i e the input value that causes thedigital display to show a 1 as the least significant digit ...

Страница 13: ...instrument conforms to the safety requirements for CAT III 600 V CAT IV 300 V measuring instruments CAT II When directly measuring the electrical outlet receptacles of the primary electrical circuits in equipment connected to an AC electrical outlet by a power cord portable tools household appliances etc CAT III When measuring the primary electrical circuits of heavy equipment fixed installations ...

Страница 14: ... the first time verify that it operates normally to ensure that no damage occurred during storage or shipping If you find any damage contact your authorized Hioki distributor or reseller Installation Installing the instrument in inappropriate locations may cause a malfunction of instrument or may give rise to an accident Avoid the following locations CAUTION Exposed to direct sunlight or high temp...

Страница 15: ...asurement category and rated voltage To avoid electric shock do not exceed the lower of the ratings shown on the instrument and test leads CAUTION Avoid stepping on or pinching the cable which could damage the cable insulation To avoid damaging the cables do not bend or pull the leads and the probe bases The ends of the test leads are sharp Be careful to avoid injury Precautions during measurement...

Страница 16: ...fects of the measurement current and the open circuit voltage Precautions during shipment Observe the following during shipment Hioki cannot be responsible for damage that occurs during shipment CAUTION During shipment of the instrument handle it carefully so that it is not damaged due to a vibration or shock Toavoid damage to the instrument remove the accessories and optional equipment from the i...

Страница 17: ...on function to ensure safe measurement DT4223 DT4224 Protective circuitry to ensure safety in the event of voltage measurement using the continuity resistance capacitance or diode range Voltage Input Protected Red backlight to warn user of erroneous voltage input Protective circuitry operates in the event of erroneous voltage input to limit the amount of current flowing to the instrument to 1 5 mA...

Страница 18: ...n location The strap with magnet allows the instrument to be hung conveniently Large easily viewable display Backlighting to allow users to read the measurement values in dark environments For various purposes The measurement test leads and end pins can be selected ...

Страница 19: ...Parts Names and Functions 13 Some indications are different among the models DT4224 DT4221 DT4222 DT4223 1 2 Parts Names and Functions Front Display p 18 Operation keys p 14 Rotary switch p 16 ...

Страница 20: ...ftware version is displayed RANGE AUTO RANGE MANUAL 2 Manually sets cancels the hold function for the displayed value Sets cancels the display of the relative value REL Cancels the autopower save function APS lights up goes off lights up goes off APS goes off 3 Turns on off the backlight Switches cancels the low pass filter and passband settings Turns off the automatic backlight deactivation Opera...

Страница 21: ...light up The software version and serial number is RANGE AUTO RANGE MANUAL displayed 2 Manually sets cancels the hold function for the displayed value Automatically sets cancels the hold function for the displayed value Cancels the auto power save function APS lights up blinks APS goes off 3 Turns on off the backlight Switches cancels the low pass filter and passband settings Turns off the automat...

Страница 22: ...ltage measurement Rotary switches and measurement descriptions 1 Function DT4221 DT4222 DT4224 DT4223 AC voltage measurement 3 Frequency measurement 4 DC AC voltage measurement Automatic judgment 5 Continuity check 6 Electric charge detection 7 Resistance measurement 8 Capacitance measurement 9 Diode test ...

Страница 23: ...attery cover When replacing the battery p 22 remove the cover See p 22 Serial number label It is necessary for production control such as product warranty Do not peel off the label Measurement terminals See p 26 1 The red test lead is connected Hereafter referred to as V terminal 2 The black test lead is connected Hereafter referred to as COM terminal Rear ...

Страница 24: ...heck p 36 4 Diode p 37 Retention of the 5 measured value p 43 Relative value display p 48 The filter function 7 is activated p 46 The auto power save function is activated p 51 Battery indicator p 19 10 Indication example In the case of 30 V input in the 60 V range the bar is displayed to the center of thescale 11 Auto range manual range p 41 1 DT4221 2 DT4223 DT4224 1 3 Display 1 2 3 4 9 3 6 8 1 ...

Страница 25: ...t flashes to warn the user Immediately move the test leads away from the measurement object Grounding terminal Voltage input Protective circuitry operates in the event of erroneous voltage input to limit the amount of current flowing to the instrument to 1 5 mA or less This safe design keeps circuit breakers from tripping and sparks from being produced at the tips of test leads ...

Страница 26: ...ing indicator Fully charged As the battery charge diminishes black charge bars disappear one by one from the left of the battery indicator The battery voltage is low Replace the battery as soon as possible Blinks The battery is exhausted Replace the battery The charge is only a reference for the continuous operation time Power shutdown When there is no charge bAtt appears in the display for 3 seco...

Страница 27: ...Attach the test leads to the measurement terminals p 24 As necessary perform zero adjustment p 49 1 2 Connect the test leads to the measurement object As necessary Hold the measured value p 43 To ensure safe operation make sure to select a measurement function and then connect the test leads to the measurement object 2 1 Measurement Workflow Insert the battery p 22 As necessary have other optional...

Страница 28: ... the test leads away from the measurement object before replacing the battery CAUTION Poor performance or damage from battery leakage could result Observe the cautions listed below Do not use old batteries Be careful to observe the battery polarity during installation Donot usebatteries after their recommended expiry date Do not allow the used battery to remain in the instrument To avoid corrosion...

Страница 29: ...ver on the rear of the instrument 5 Remove the battery cover 6 Remove the old battery 7 Insert one new battery LR03 being careful of the battery polarity 8 Reattach the battery cover 9 Secure the cover with the screw The indicator appears when the battery charge diminishes Replace the battery as soon as possible The power may be turned off when the backlight lights up or a buzzer sounds After use ...

Страница 30: ...use our optional parts For details on the optional items see Options sold separately p 2 WARNING To prevent a short circuit accident be sure to use the test leads with the sleeves attached when performing measurements in the CAT III and CAT IV measurement categories See Measurement categories p 7 If the sleeves are inadvertently removed during measurement stop the measurement CAUTION To ensure saf...

Страница 31: ...rminals on this instrument Cable Double sheathed cables Length approx 540 mm Removing and attaching the sleeves Gently hold the bottom of the sleeves and pull the sleeves off Safely store the removed sleeves so as not to lose them Insert the metal pins of the test leads into the holes of the sleeves and firmly push them all the way in When the white portion inside the cable is exposed replace with...

Страница 32: ...ld the end of the plugs Do not pull the cables with excessive force as they may be broken Red Black When connecting the test leads to the instrument push them as far as possible into the measurement terminals while holding the end of the plugs COM terminal Connect the black test lead V terminal Connect the red test lead ...

Страница 33: ...te properly and the life of the operator may be put at great risk CAUTION Do not use the Z5004 Z5020 in locations where it may be exposed to rainwater dust or condensation In those conditions the Z5004 Z5020 may be decomposed or deteriorated The magnet adhesion may be diminished In such case the instrument may not be hung in place and may fall Do not bring the Z5004 Z5020 near magnetic media such ...

Страница 34: ...28 Installation in Measurement Location Example Z5004 Strap holes Front Rear Magnet Attach it to the wall surface with metal plate affixed ...

Страница 35: ...t use the instrument but send it for repair The terminals are not contaminated with debris Remove contamination with a cotton swab The coating of the test leads is neither broken nor frayed or the white portion or metal part within the lead is exposed If the test lead is damaged there is a risk of electric shock Do not use the instrument but send it for repair Check when turning on the power Set t...

Страница 36: ...st leads are not broken Check method Action Regarding the continuity check deliberately short circuit the test leads and then check the display For the DT4221 The position of the rotary switch varies depending on the model Normal A buzzer sounds and the value stabilizes at around 0 Ω Abnormal A buzzer does not sound and a numeric value other than the above appears Corrective action The test leads ...

Страница 37: ...e values appear Check method Action Example Perform the AC voltage measurement to measure the commercial power supply and then check the display Normal An already known value appears In this example the commercial voltage level should appear Abnormal The measured value does not appear A malfunction may have occurred Stop the inspection and do not use the instrument ...

Страница 38: ...the instrument Before measurements WARNING Observe the following to avoid short circuit accidents Always verify the appropriate setting of the rotary switch before connecting the test leads Disconnect the test leads from the measurement object before switching the rotary switch Operate or connect the instrument by following the procedure of each measurement example or procedure steps Tocheck the e...

Страница 39: ...ating indicated on the instrument or probes is exceeded the instrument may be damaged resulting in personal injury Do not use the instrument in such locations See Measurement categories p 7 The auto ranging function of this instrument automatically selects the optimum measurement range To change the range arbitrarily use the manual range p 42 Measuring AC voltage Measure the AC voltage The measure...

Страница 40: ...asure the DC voltage Measurement using the AC DC automatic judgment DT4221 DT4223 The AC or DC are automatically judged and the voltage is measured The instrument does not measure both AC and DC at the same time AC voltage DC voltage 2 1 2 1 2 1 ...

Страница 41: ... input This does not indicate a malfunction of the instrument The sensitivity of the frequency measurement is regulated by range Minimum sensitivity voltage p 60 When the value is less than the minimum sensitivity voltage the indicated value may fluctuate When the voltage range is lowered the value stabilizes This does not apply to cases where the value fluctuates due to noise During the measureme...

Страница 42: ...wer to the measurement circuit Otherwise electric shock may occur or the instrument may be damaged For the DT4223 The position of the rotary switch varies depending on the model Detection Threshold Buzzer Short circuit detection 25 Ω 10 Ω Sounds continuous buzzer sound Open detection 245 Ω 10 Ω Does not sound 3 4 Checking Continuity 1 2 ...

Страница 43: ...d WARNING Before measuring be sure to turn off the power to the measurement circuit Otherwise electric shock may occur or the instrument may be damaged In the case of the opposite connection 3 5 Measuring Diode DT4222 DT4224 The open terminal voltage is approx 2 5 V or less To avoid damage to the measurement object check the specifications of the measurement object before use Cathode Anode 1 2 ...

Страница 44: ...ustment for the displayed value using the relative value display relative function in advance WARNING Before measuring be sure to turn off the power to the measurement circuit Otherwise electricshock may occur or the instrument may be damaged 2 1 The open terminal voltage is approx 2 0 V or less The measurement current DC varies depending on the range To avoid damage to the measurement object chec...

Страница 45: ...ircuit Otherwise electric shock may occur or the instrument may be damaged Do not measure the capacitor which has been charged 1 2 When measuring the polar capacitor Connect the V terminal red test lead to the terminal of the capacitor and the COM terminal black test lead to the terminal For components on a circuit board measurement may not be possible due to the effect of the peripheral circuit ...

Страница 46: ...ment close to the power line When the detection level is exceeded a buzzer sounds Reference detection level Reference detection level for the power line 80 V AC to 600 V AC Tochecktheelectricchargeproperly donotusetheinstrument withtestleads wrappedaroundtheinstrument Thedetection sensitivity of electric charge detection deteriorates Check that the detection function operates normally before use p...

Страница 47: ...to range Sets the optimum range automatically in accordance with the actual measurement Manual range Sets the specific range manually When the relative value REL function is enabled the range cannot be changed Measuring with the auto range RANGE AUTO lights up 4 1 Selecting the Measurement Range When the measurement function is switched using the rotary switch the auto range is enabled ...

Страница 48: ...est range is specified once again Example When the range is 6 000 V to 600 0 V 6 V 60 V 600 V 6 V DT4223 DT4224 Press RANGE MANUAL lights up Each time is pressed the range is switched When the key is pressed at the highest range it returns to auto range Example When the range is 6 000 V to 600 0 V 6 V 60 V 600 V auto range 6 V To switch from the manual range to the auto range press for at least 1 ...

Страница 49: ... is retained The bar graph is updated Retaining the measured value manually HOLD To retain the measured value press HOLD lights up and the measured value is retained To cancel the hold state press it again HOLD goes off 4 2 Retaining the Measured Value ...

Страница 50: ... value stabilizes a beeping sound is generated and the value is retained HOLD lights up When the test leads are moved away from the measurement object reconnected again and the measured value stabilizes a beeping sound is generated and the new measured value is retained When is pressed while HOLD is lit the instrument returns to the wait state HOLD blinks Press for at least 1 second to cancel auto...

Страница 51: ...iagram AC voltage 100 0 V 99 0 V Measurement Conditions for auto holding Measurement Function Fluctuation range Threshold value AC voltage DC voltage excluding the 600 0 mV range 6 000 V 60 00 V 600 0 V range within 120 counts 6 000 V 60 00 V 600 0 V range 120 counts AUTO V within 120 counts 120 counts Resistance Continuity within 100 counts 4900 counts Diode within 40 counts 1460 counts The auto ...

Страница 52: ...ing the AC voltage and the AC DC automatic judgment The passband setting for the low pass filter can be selected Example 1 FILTER OFF Press for at least 1 second Example2 FILTER 100Hz Current FILTER setting is displayed Each time is pressed while the current FILTER setting is displayed the passband setting is changed OFF 100 Hz 500 Hz OFF When the desired passband setting is displayed for 2 second...

Страница 53: ...e 600 0 V range 100 V input value V 140 Filter OFF 120 Passband 500 Hz Passband 100 Hz 100 80 60 40 20 0 10 100 1000 10000 Frequency at 100 V input Hz Example Power frequency on an aircraft or marine vessel is 400 Hz When voltage is 100 V FILTER setting Displayed value Normal OFF Approx 100 V 500 Hz Abnormal 100 Hz Around 0 V ...

Страница 54: ...urement function is selected this function is disabled AUTO V Frequency Diode Electric charge detection The DT4223 and DT4224 can display relative values for frequency input Checking the relative value REL Example 1 DC voltage measurement For the DT4221 DT4222 When the standard value is measured press for at least 1 second For the DT4223 DT4224 When the standard value is measured press for at leas...

Страница 55: ... referring to the table below Measurement function V Ω Condition of the test leads Short circuit Open Example 1 Resistance measurement DT4222 DT4223 DT4224 1 Select the measurement function 2 Connect the test leads to the measurement terminals 3 Allow the test leads to short circuit DT4222 Press for at least 1 second DT4223 DT4224 Press for at least 1 second After zero adjustment 0 0 Ω 4 Measure t...

Страница 56: ...r measurement DT4222 DT4224 1 Select the measurement function 2 Connect the test leads to the measurement terminals 3 Allow the test leads to open DT4222 Press for at least 1 second DT4224 Press for at least 1 second After zero adjustment 0 000 μF 4 Measure the capacitor 2 1 3 ...

Страница 57: ... default setting the auto power save function is set to enabled lights up It is also possible to disable the auto power save function At 30 seconds before the instrument enters the sleep mode the APS blinks to indicate its status Tocontinuously use the instrument press any key or turn the rotary switch Auto power save function When the instrument is in the sleep mode press any key or turn the rota...

Страница 58: ...ting change Method Canceling the auto power save function APS APS goes off See p 51 The APS and OFF displays are shown alternately When the power is turned off the settings are disabled Disabling the automatic backlight deactivation See p 51 The backlight auto and OFF displays are shown alternately When the power is turned off the settings are disabled DT4221 DT4222 The setting is retained even if...

Страница 59: ...le Ver 1 00 Displaying all indicators Second position from OFF Check that there are no missing indicators If any indicator is missing stop using the instrument and send it for repair Displaying the serial number Third position from OFF The9 digit serial number isdisplayed 3 digits at atime Example 123456789 ...

Страница 60: ...54 Power on Option Table ...

Страница 61: ...4221 DT4222 2 0 15 V DT4223 DT4224 Dimensions Approx 72W 149H 38D mm 2 83 W 5 87 H 1 50 D including the holster and rotary switch Mass Approx 190 g 6 7 oz including the battery and holster Operating environment Operating temperature and humidity Indoors pollution degree 2 altitude up to 2000 m 6562 ft Temperature 10 C to 50 C 14 F to 122 F DT4221 DT4222 10 C to 65 C 14 F to 149 F DT4223 DT4224 Hum...

Страница 62: ... to 158 F DT4223 DT4224 80 RH or less no condensation IP42 EN60529 1 m on concrete with the holster attached 3 years excluding the measurement accuracy Accessories DT4911 TestLead Holster attached to the instrument with a test lead holder Instruction Manual LR03Alkaline battery 1 not installed in the instrument Options See Options sold separately p 2 Standards Safety EN61010 EMC EN61326 ...

Страница 63: ...he measured value is displayed on the LCD screen DCV 0 7 to 0 8 seconds 0 V 100 V auto range operation 1 ACV 0 6 to 0 7 seconds 0 V 100 V auto range operation 1 Ω 1 0 to 1 1 seconds Infinity 0 Ω auto range operation 1 Continuity Open circuit or short circuit is detected for at least 0 5 ms 1 3 Open circuit or short circuit is detected for at least 600 ms 1 4 Measured value 5 times s excluding capa...

Страница 64: ...r voltage 1 5 V continuity measurement input short circuited backlight lit Rated power 36 mVA 20 or less Power voltage 1 5 V DCV measurement backlight off 6 mVA 20 or less Power voltage 1 5 V auto power save function activated Continuous operating time LR03 alkaline battery Backlight off Approx 40hours 3 Approx 35 hours 4 1 Until the values stabilize within the accuracy specification range 2 Measu...

Страница 65: ...or displayed value The value currently being measured and displayed on the measuring instrument dgt resolution The smallest displayable unit i e the input value that causes the digital display to show a 1 as the least significant digit 1 AC voltage Range Accuracy 1 Input impedance 40 to 500 Hz Over 500 Hz to 1 kHz 6 000 V 1 0 rdg 3 dgt 2 5 rdg 3 dgt 11 2 MΩ 2 0 100 pF or less 60 00 V 1 0 rdg 3 dgt...

Страница 66: ... kHz For 100 Hz with the filter ON 1 5 rdg is added to the accuracy specification between 40 Hz and 100 Hz and the accuracy is not specified in 100 Hz or more For 500 Hz with the filter ON 0 5 rdg is added to the accuracy specification between 40 Hz and 500 Hz and the accuracy is not specified in 500 Hz or more 2 Frequency Range Accuracy 99 99 Hz 0 1 rdg 2 dgt 999 9 Hz 0 1 rdg 2 dgt 9 999 kHz 0 1 ...

Страница 67: ...1 2 MΩ 2 0 60 00 V 0 5 rdg 5 dgt 10 3 MΩ 2 0 600 0 V 0 5 rdg 5 dgt 10 2 MΩ 1 5 Overload protection 660 V DC 660 V AC or 3 10 6 V Hz energized for 1 minute DT4221 DT4222 Overload protection 750 V DC 750 V AC or 3 10 6 V Hz energized for 1 minute DT4223 DT4224 Auto range movement threshold 6000 counts or more for upper range 540 counts or less for lower range 4 AUTO V Range Accuracy 1 Input impedanc...

Страница 68: ...0 Hz and the accuracy is not specified in 100 Hz or more For 500 Hz with the filter ON 0 5 rdg is added to the accuracy specification between 40 Hz and 500 Hz and the accuracy is not specified in 500 Hz or more 5 Continuity Range Accuracy Measurement current 600 0Ω 1 0 rdg 5 dgt 200 μA 20 Open circuit voltage 1 8 V DC or less DT4221 DT4222 2 0 V DC or less DT4223 DT4224 Overload protection 600 V D...

Страница 69: ...6 V Hz energized for1minute Current under overload 1 5 mA or less DT4223 DT4224 Maximum capacity load 10 mF Maximum inductive load 10 H Accuracy guarantee condition After zero adjustment has beenperformed Auto range movement threshold 6000 counts or more for upper range Switches to the high impedance 60 00 MΩ range when the test leads are open regardless of the range 540 counts or less for lower r...

Страница 70: ...t Open circuit voltage 1 500 V 0 9 rdg 5 dgt 0 5 mA 20 DT4221 DT4222 0 2 mA 20 DT4223 DT4224 2 5 V DC or less Voltage drop due to battery consumption Overload protection 600 V DC 600 V AC or 3 10 6 V Hz energized for 1 minute Current underoverload Steadystate15mAorless transientstate0 8Aorless DT4221 DT4222 Overload protection 750VDC 750 VACor3 10 6 V Hz energized for1minute Current under overload...

Страница 71: ...ent or installation environment and that you request that calibration be performed periodically Cleaning Toclean the instrument wipe it gently with a soft cloth moistened with water or mild detergent Wipe the display gently with a soft dry cloth Disposal Handle and dispose of the instrument in accordance with local regulations IMPORTANT Periodic calibration is necessary in order to ensure that the...

Страница 72: ...o the instrument cannot move within the package Be sure to include details of the problem Hioki cannot be responsible for damage that occurs during transportation Before sending the instrument for repair Question Solution Can zero adjustment be performed Using the relative value display function zero adjustment can be performed p 49 Can rechargeable batteries be used Rechargeable batteries can be ...

Страница 73: ...leads have been inserted at the ends Check that the measurement method is correct If no problems have been found the instrument may be malfunctioning Send the instrument for repair zero still appears Even after short circuit of the probe the measured value does not appear Zero adjustment is not possible The display does Check that the input signal is within the input not stabilize and the range fo...

Страница 74: ...olution Err 1 ROM error Program When the error appears in the display it is necessary to repair the instrument Contact your authorized Hioki distributor or reseller Err 2 ROM error Adjustment data Err 4 EEPROM error Memory data Err 5 ADC error Hardware malfunction ...

Страница 75: ...d is applied to this instrument In the true RMS method the high frequency component is also included and displayed In the average method the input waveform is handled as a sine wave where no skew is included only single frequency The average of the AC signal is obtained converted to the RMS and then displayed If the waveform is skewed a greater measurement error occurs Measurement example True RMS...

Страница 76: ...RMS and Average Appx 2 ...

Страница 77: ...16 01 EN ...

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Страница 81: ... LLÁMANOS 52 81 8115 1400 52 81 8173 4300 LADA Sin Costo 01 800 087 43 75 E mail ventas twilight mx INSTRUMENTOS DE MEDICIÓN INDUSTRIAL ...

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