Twilight DT4221 Instruction Manua
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Twilight DT4221 Instruction Manua

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Multimetro Digital 600V
Básico, Hioki
HK-DT4224

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  • Page 1 Multimetro Digital 600V Básico, Hioki HK-DT4224...
  • Page 2 DT4221 DT4222 DT4223 DT4224 Instruction Manual DIGITAL MULTIMETER Aug. 2016 Revised edition 2 DT4221A981-02 16-08H...

  • Page 3: Table Of Contents

    Hanging the instrument with the strap ....27 Performing Measurements Inspection Before Use ......29 Measuring Voltage......... 33 Measuring AC voltage.......... 33 Measuring DC voltage ......... 34 Measurement using the AC/DC automatic judgment (DT4221, DT4223) ....... 34 Measuring Frequencies ......35 DT4221A981-02...
  • Page 4 (DT4222, DT4223, DT4224) ..... 38 Measuring Capacitance (DT4222, DT4224) ........39 Checking the Electric Charge (DT4221, DT4223) ........40 Using Instrument Conveniently 41 Selecting the Measurement Range..41 Measuring with the auto range ......41 Measuring with the manual range ....... 42 Retaining the Measured Value ....
  • Page 5 Maintenance and Service Repair, Inspection, and Cleaning ... 65 Troubleshooting ........66 Error Display .......... 68 Appendix Appx.1 Appx. 1 RMS and Average ....... Appx.1...
  • Page 6 Contents...

  • Page 7: Introduction

    Introduction Introduction Thank you for purchasing the Hioki DT4221, DT4222, DT4223, DT4224 Digital Multimeter. To obtain maximum performance from the product, please read this manual first, and keep it handy for future reference. Verifying Package Contents When you receive the instrument, inspect it carefully to ensure that no damage occurred during shipping.

  • Page 8: Options (Sold Separately)

    Options (sold separately) Options (sold separately) The following options are available for the instrument. Contact your authorized Hioki distributor or reseller when ordering. Connecting cables (p. 24) L4933 Contact Pin Set 33 V AC/70 V DC DT4911 L4934 Test Lead Small Alligator Clip Set CAT III 300 V/CAT II 600 V C0200 Carrying Case...

  • Page 9: Safety Notes

    Safety Notes Safety Notes This instrument is designed to conform to IEC 61010 Safety Standards, and has been thoroughly tested for safety prior to shipment. However, using the instrument in a way not described in this manual may negate the provided safety features. Before using the instrument, be certain to carefully read the following safety notes.
  • Page 10 Safety Notes Notation In this manual, the risk seriousness and the hazard levels are classified as follows. Indicates an imminently hazardous situation DANGER that will result in death or serious injury to the operator. Indicates a potentially hazardous situation WARNING that may result in death or serious injury to the operator.
  • Page 11 Safety Notes Symbols affixed to the instrument Indicates cautions and hazards. When the symbol is printed on the instrument, refer to a corresponding topic in the Instruction Manual. Indicates that dangerous voltage may be present at this terminal. Indicates a double-insulated device. Indicates a grounding terminal.
  • Page 12 Safety Notes Accuracy We define measurement tolerances in terms of rdg. (reading) and dgt. (digit) values, with the following meanings: (Reading or displayed value) rdg. The value currently being measured and indicated on the measuring instrument. (Resolution) The smallest displayable unit on a digital measuring dgt.
  • Page 13 Safety Notes Measurement categories To ensure safe operation of measuring instruments, IEC 61010 establishes safety standards for various electrical environments, categorized as CAT II to CAT IV, and called measurement categories. DANGER • Using a measuring instrument in an environment designated with a higher-numbered category than that for which the instrument is rated could result in a severe accident, and must be...

  • Page 14: Usage Notes

    Usage Notes Usage Notes Follow these precautions to ensure safe operation and to obtain the full benefits of the various functions. DANGER If the test lead or the instrument is damaged, there is a risk of electric shock. Before using the instrument, perform the following inspection.
  • Page 15 Usage Notes Handling the cables WARNING To prevent electric shock, when measuring the voltage of a power line use a test lead that satisfies the following criteria: • Conforms to safety standards IEC61010 or EN61010 • Of measurement category III or IV •...
  • Page 16 Usage Notes 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.

  • Page 17: Overview

    • This safe design keeps circuit breakers from tripping and sparks from being produced at the tips of test leads. • Although the DT4221 and DT4222 will not break if they are used to measure voltage in continuity, resistance, capacitance, or diode range, those models do not provide functionality to limit the amount of current flowing to the instrument in the event of such measurement to 1.5 mA...
  • Page 18 Overview and Features Problem finding a suitable installation location? The strap with magnet allows the instrument to be hung conveniently. For various purposes Large, easily- viewable display The measurement test leads and end Backlighting to allow pins can be selected. users to read the measurement values in dark environments...

  • Page 19: Parts Names And Functions

    Parts Names and Functions 1.2 Parts Names and Functions Front Some indications are different among the models. Display (p. 18) Operation keys (p. 14) Rotary switch (p. 16) DT4224 DT4221 DT4222 DT4223...
  • Page 20 Parts Names and Functions Operation keys DT4221, DT4222 Pressed down Power- Normal for at least 1 on option second (p. 52) Sets the manual Cancels the manual All LCDs range/switches range. light up and the range. the software version is RANGE:AUTO / RANGE:MANUAL displayed.
  • Page 21 Parts Names and Functions DT4223, DT4224 Pressed down Power- Normal for at least 1 on option second (p. 52) Sets/cancels the All LCDs light up. Sets the auto and manual range/ display of the The software switches the relative value version and range.
  • Page 22 Parts Names and Functions Rotary switches and measurement descriptions DT4221 DT4222, DT4224 DT4223 Function √ √ √ AC voltage measurement √ √ √ DC voltage measurement √ √ √ Frequency measurement √ − √ DC/AC voltage measurement (Automatic judgment) √...
  • Page 23 Parts Names and Functions Rear DT4224 Test lead holder The test lead can be held. Strap hole The optional Z5004, Z5020 Magnetic Strap can be attached. (p. 27) Battery 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.

  • Page 24: Display

    Diode (p. 37) Retention of the Auto range, manual range measured value (p. 41) (p. 43) Relative value *1: DT4221 display (p. 48) *2: DT4223, DT4224 The filter function is activated. (p. 46)

  • Page 25: Voltage Input Protected (Dt4223, Dt4224)

    Voltage Input Protected (DT4223, DT4224) 1.4 Voltage Input Protected (DT4223, DT4224) Erroneous voltage warning for continuity, resistance, capacitance, or diode range The red backlight flashes to warn the user. Immediately move the test leads away from the measurement object. Grounding terminal Voltage input •...

  • Page 26: Alarm Display And Battery Indicator

    Alarm Display and Battery Indicator 1.5 Alarm Display and Battery Indicator When the measured value exceeds the maximum input range in each range Voltage measurement The measured value and [OVER] blinks. Corrective action: When the input exceeds the maximum rating, immediately move the test leads away from the measurement object.

  • Page 27: Preparation For Measurements

    Preparation for Measurements 2.1 Measurement Workflow Before using the instrument, be sure to read “Usage Notes” (p. 8). Installation and connection Insert the battery. (p. 22) As necessary, have other optional items available and ready. Perform the startup check. (p. 29) Measurement To ensure safe Turn on the power and select the...

  • Page 28: Inserting/Replacing The Battery

    Inserting/Replacing the Battery 2.2 Inserting/Replacing the Battery Before using the instrument, insert one LR03 alkaline battery. Before measurements, check that the battery level is sufficient. When the battery charge is low, replace the battery. Nickel-metal hydride batteries Nickel-metal hydride batteries can be used. However, the discharge characteristic of these batteries is different from that of alkaline batteries.
  • Page 29 Inserting/Replacing the Battery • 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, be sure to turn off the instrument. •...

  • Page 30: Using Test Leads

    Inserting/Replacing the Battery WARNING To prevent instrument damage or electric shock, use only the screw (M3×7.5 mm) for securing the battery cover in place that are originally installed. If you have lost a screw or find that a screw is damaged, please contact your Hioki distributor for replacement.
  • Page 31 Using Test Leads DT4911 Test Lead (p.  8 ) Sleeves Barriers Plugs Cables Metal pins Metal pin Connect to the object to be measured. Approx. 3 mm (sleeve attached) Approx. 15 mm (sleeve removed) Sleeve Attach to the metal pins to prevent short circuit accidents. Barrier Represents the safe handling distance from the metal pins.
  • Page 32 Using Test Leads Connecting to the instrument CAUTION • When removing the test leads from the measurement terminals, hold the end of the plugs. • Do not pull the cables with excessive force, as they may be broken. 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.

  • Page 33: Installation In Measurement Location

    Installation in Measurement Location 2.4 Installation in Measurement Location Hanging the instrument with the strap Attach the optional Z5004, Z5020 Magnetic Strap to the instrument and attach the magnet to the wall surface (with metal plate affixed). DANGER Those with medical electronics such as pacemakers should not use the Z5004, Z5020 Magnetic Strap.
  • Page 34 Installation in Measurement Location Example: Z5004 Strap holes Front Rear Magnet Attach it to the wall surface (with metal plate affixed).

  • Page 35: Performing Measurements

    Performing Measurements 3.1 Inspection Before Use Before using the instrument 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. Appearance check of the instrument and test leads Check item Action...
  • Page 36 If the same phenomena persist even after the test leads are replaced, a malfunction may have occurred. Halt inspection and then For the DT4221 send the instrument for repair. (The position of the rotary switch varies depending on the model.)
  • Page 37 Inspection Before Use Measure samples (such as battery, commercial power supply, and resistor) of which values have already been known, and check that the appropriate values appear. Check method Action Normal: Example: Perform the AC voltage An already-known value appears. measurement to measure the (In this example, the commercial commercial power supply, and...
  • Page 38 Inspection Before Use Check that the electric charge detection function operates normally. (DT4221, DT4223) Check method Action Position the detector on a known Normal: power supply, such as a power outlet. A buzzer sounds. Abnormal: A buzzer does not sound and the display does not change.

  • Page 39: Measuring Voltage

    Measuring Voltage 3.2 Measuring Voltage AC or DC voltage measurement and measurement using the AC/DC automatic judgment (DT4221, DT4223) can be performed. Before measurements WARNING If the instrument is used in locations where the rating indicated on the instrument or probes is exceeded, the instrument may be damaged resulting in personal injury.

  • Page 40: Measuring Dc Voltage

    Measuring DC voltage Measure 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.)

  • Page 41: Measuring Frequencies

    Measuring Frequencies 3.3 Measuring Frequencies The frequency can be checked. The frequency display is auto ranging. The AC voltage range can be changed by pressing the RANGE key. • If signals out of the range of frequency measurement are measured, “−−−−−”...

  • Page 42: Checking Continuity

    Checking Continuity 3.4 Checking Continuity The input short circuit is detected and informed via a buzzer. 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. For the DT4223 (The position of the rotary switch varies depending on the...

  • Page 43: Measuring Diode (Dt4222, Dt4224)

    Measuring Diode (DT4222, DT4224) 3.5 Measuring Diode (DT4222, DT4224) The forward voltage of the diode is measured. If the forward voltage is within the range from 0.15 V to 1.5 V, it is indicated via a buzzer (intermittent buzzer sound). WARNING Before measuring, be sure to turn off the power to the measurement circuit.

  • Page 44: Measuring Resistance (Dt4222, Dt4223, Dt4224)

    Measuring Resistance (DT4222, DT4223, DT4224) 3.6 Measuring Resistance (DT4222, DT4223, DT4224) Resistance is measured. To measure the low resistance accurately, it is necessary to cancel the resistance of the test leads. Perform zero adjustment for the displayed value using the relative value display (relative function) in advance.

  • Page 45: Measuring Capacitance (Dt4222, Dt4224)

    Measuring Capacitance (DT4222, DT4224) 3.7 Measuring Capacitance (DT4222, DT4224) The capacity of the capacitor is measured. 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. Do not measure the capacitor which has been charged.

  • Page 46: Checking The Electric Charge (Dt4221, Dt4223)

    Checking the Electric Charge (DT4221, DT4223) 3.8 Checking the Electric Charge (DT4221, DT4223) Whether a power line is energized can be checked easily. If the power line is energized, it is indicated via a buzzer and display. Use this function for coated power lines. The detection may not be made depending on the measurement conditions.

  • Page 47: Using Instrument Conveniently

    Using Instrument Conveniently 4.1 Selecting the Measurement Range Auto or manual range can be selected. In the case of measurement where the desired range can be selected, [RANGE:] lights up at the bottom of the display. • Auto range Sets the optimum range automatically in accordance with the actual measurement.

  • Page 48: Measuring With The Manual Range

    Selecting the Measurement Range Measuring with the manual range DT4221, DT4222 Press [RANGE: MANUAL] lights up. Each time is pressed, the range is switched. When the key is pressed at the highest range, the lowest range is specified once again.

  • Page 49: Retaining The Measured Value

    Retaining the Measured Value 4.2 Retaining the Measured Value The measured value 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.

  • Page 50: Automatically Retaining The Measured Value When The Value Stablizes (Auto Hold) (Dt4223, Dt4224)

    Retaining the Measured Value Automatically retaining the measured value when the value stablizes (AUTO HOLD) (DT4223, DT4224) Press for at least 1 sec. Press for at least 1 sec. ([HOLD] blinks, the instrument is Blinks waiting for the measured value to (Waiting for stabilize.) measured value to...
  • Page 51 Retaining the Measured Value Conceptual diagram (AC voltage) 100.0 V 99.0 V Retained measured value Auto hold Not retained automatically. (Example) 100.0 V (The threshold is not exceeded.) Auto hold (Example) 99.0 V Threshold Fluctuation range (Example) 12.0 V Measured value Start Start...

  • Page 52: Reducing The Noise (Filter)

    Reducing the Noise (FILTER) 4.3 Reducing the Noise (FILTER) WARNING To avoid electric shock or other personal injury, select the appropriate passband setting when measuring the AC voltage. If an inappropriate frequency is selected, the measured value displayed will not be correct. The influence of high-frequency noise can be reduced with the low pass filter (digital filter).
  • Page 53 Reducing the Noise (FILTER) Example of frequency property when a filter is used (AC voltage 600.0 V range, 100 V input) Measured value [V] Filter OFF Passband 500 [Hz] Passband 100 [Hz] 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...

  • Page 54: Checking The Relative Value/Performing Zero Adjustment

    • 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...

  • Page 55: Performing Zero Adjustment

    Checking the Relative Value/Performing Zero Adjustment Performing zero adjustment When performing zero adjustment, the condition of the test leads varies depending on the measurement function. Perform zero adjustment, referring to the table below. Ω Measurement function Condition of the test leads Short circuit Open Example 1:...
  • Page 56 Checking the Relative Value/Performing Zero Adjustment Example 2: Capacitor measurement (DT4222, DT4224) Select the measurement function. Connect the test leads to the measurement terminals. Allow the test leads to open. DT4222: Press for at least 1 second. DT4224: Press at least 1 second. (After zero adjustment: 0.000 μF) Measure the capacitor.

  • Page 57: Turning On The Backlight

    Turning On the Backlight 4.5 Turning On the Backlight The backlight can be turned on/off by pressing The backlight automatically turns off if the instrument is not operated for 40 seconds. The automatic backlight deactivation function can be disabled. (p. 52) 4.6 Using the Auto Power Save (APS) The auto power save function saves on battery consumption.

  • Page 58: Power-On Option Table

    Disabling automatic backlight deactivation • When the power is turned off, the settings are disabled. (DT4221, DT4222) • The setting is retained even if the instrument is turned off. To enable the setting again, repeat the same action. (DT4223, DT4224)
  • Page 59 Power-on Option Table Setting Method change (First position from OFF) Checking Example: Ver 1.00 software version (Second position from OFF) Check that there are no missing indicators. If any indicator is missing, stop using the instrument and send Displaying it for repair. indicators (Third position from OFF) The 9-digit serial number is displayed 3 digits at a time.
  • Page 60 Power-on Option Table...

  • Page 61: Specifications

    Indoors, pollution degree 2, altitude up to 2000 m environment (6562 ft.) • Temperature Operating −10°C to 50°C (14°F to 122°F) (DT4221, DT4222) temperature and −10°C to 65°C (14°F to 149°F) (DT4223, DT4224) humidity • Humidity −10°C to 40°C (14°F to 104°F): 80% RH or less (no condensation) 40°C to 45°C (104°F to 113°F): 60% RH or less...
  • Page 62 General Specifications −30°C to 60°C (−22°F to 140°F) (DT4221, DT4222) Storage −30°C to 70°C (−22°F to 158°F) (DT4223, DT4224) temperature and humidity 80% RH or less (no condensation) Dust-proof and IP42 (EN60529) water-proof Drop-proof 1 m on concrete (with the holster attached)

  • Page 63: Electrical Characteristics

    Electrical Characteristics 5.2 Electrical Characteristics • DCV: −60 dB or more (50 Hz/60 Hz) Noise suppression NMRR • DCV: −100 dB or more Noise suppression Ω CMRR (DC/50 Hz/60 Hz, 1 k unbalance) • ACV: −60 dB or more Ω (DC/50 Hz/60 Hz, 1 k unbalance) •...
  • Page 64 Continuous LR03 alkaline battery operating time Backlight off: Approx. 40 hours* Approx. 35 hours* *1: Until the values stabilize within the accuracy specification range. *2: Measured within the measurement range (excluding range movement). *3: DT4221, DT4222 *4: DT4223, DT4224...

  • Page 65: Accuracy Table

    100 pF or less • Overload protection: 660 V DC/660 V AC or 3 × 10 V • Hz (energized for 1 minute) (DT4221, DT4222) • Overload protection: 750 V DC/750 V AC or 3 × 10 V • Hz (energized for 1 minute) (DT4223, DT4224) •...
  • Page 66 Accuracy Table • Crest factor: The crest factor is 3 up to 4000 counts and reduces linearly to 2 at 6000 counts. • Connection method: AC coupling • Auto range movement threshold: 6,000 counts or more for upper range, 540 counts or less for lower range *1: The accuracy is specified in 1% or more of the range, however, ±5 dgt.
  • Page 67 ±1.5% • Overload protection: 660 V DC/660 V AC or 3 × 10 V • Hz (energized for 1 minute) (DT4221, DT4222) • Overload protection: 750 V DC/750 V AC or 3 × 10 V • Hz (energized for 1 minute) (DT4223, DT4224) •...
  • Page 68 200 μA ±20% 600.0 ±1.0% rdg. ±5 dgt. • Open circuit voltage: 1.8 V DC or less (DT4221, DT4222) 2.0 V DC or less (DT4223, DT4224) • Overload protection: 600 V DC/600 V AC or 3 × 10 V • Hz (energized for 1 minute) Current under overload: Steady state 15 mA or less, transient state 0.8 A or less...
  • Page 69 60.00 M ±1.5% rdg. ±5 dgt. 10 nA ±20% • Open circuit voltage: 1.8 V DC or less (DT4221, DT4222) 2.0 V DC or less (DT4223, DT4224) • Overload protection: 600 V DC/600 V AC or 3 × 10 V • Hz (energized for 1 minute) Current under overload: Steady state 15 mA or less, transient state 0.8 A or less...
  • Page 70 V • Hz (energized for 1 minute) Current under overload: Steady state 15 mA or less, transient state 0.8 A or less (DT4221, DT4222) • Overload protection: 750 V DC/750 V AC or 3 × 10 V • Hz (energized for 1 minute) Current under overload: 1.5 mA or less (DT4223, DT4224)

  • Page 71: Maintenance And Service

    Maintenance and Service 6.1 Repair, Inspection, and Cleaning DANGER Customers are not allowed to modify, disassemble, or repair the instrument. Doing so may cause fire, electric shock, or injury. Calibrations IMPORTANT Periodic calibration is necessary in order to ensure that the instrument provides correct measurement results of the specified accuracy.

  • Page 72: Troubleshooting

    Troubleshooting 6.2 Troubleshooting • When a malfunction of the instrument is suspected, check the information in “Before sending the instrument for repair” and then, if necessary, contact your authorized Hioki distributor or reseller. • When sending the instrument for repair, remove the battery and pack it carefully to prevent damage during transportation.
  • Page 73 Troubleshooting Symptom Check and/or corrective action Nothing appears in Check that the battey is not exhausted. the display. Replace with a new battery. (p. 22) Or the display Check that the auto power save function has disappears after a not been activated. short time.

  • Page 74: Error Display

    Error Display 6.3 Error Display Error display Description Solution ROM error Err 1 Program When the error appears in ROM error Err 2 the display, it is necessary Adjustment data to repair the instrument. EEPROM error Contact your authorized Err 4 Memory data Hioki distributor or reseller.

  • Page 75: Appx. 1 Rms And Average

    Appendix Appx. 1 RMS and Average Difference between the RMS and Average When converting AC to RMS, 2 methods are available, “True RMS method (True RMS indication)” and “Average method (Average rectifying RMS indication)”. In the case of the sine wave where no skew is included, the same values are indicated in both methods.
  • Page 76 RMS and Average Appx.
  • Page 77 16-01 EN...
  • Page 81 INSTRUMENTOS DE MEDICIÓN INDUSTRIAL � LLÁMANOS +52(81) 8115-1400 / +52 (81) 8173-4300 LADA Sin Costo: 01 800 087 43 75 E-mail: ventas@twilight.mx...

This manual is also suitable for:

Dt4222Dt4223Dt4224

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