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Hioki 3290 Instruction Manual

Hioki 3290 Instruction Manual

Clamp on ac/dc hitester
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INSTRUCTION MANUAL
3290
CLAMP ON
AC/DC HiTESTER

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Summary of Contents for Hioki 3290

  • Page 1 INSTRUCTION MANUAL 3290 CLAMP ON AC/DC HiTESTER...

  • Page 3: Table Of Contents

    Chapter 1 Overview Product Overview ......... 13 Features ..........13 Parts Names and Functions ....16 1.3.1 3290 CLAMP ON AC/DC HiTESTER ..16 1.3.2 9691, 9692, 9693 CLAMP ON AC/DC SENSOR ..24 Flowchart Of Key Operations ....25 1.4.1 Current Measurements Mode ..
  • Page 4 Chapter 3 Measurement Procedures Preparations ..........43 Current Measurement ......45 3.2.1 Measuring DC Current (DC A) ..46 3.2.2 Measuring AC Current (AC A) ..47 3.2.3 Measuring AC + DC Current (AC+DC A) ............49 3.2.4 Bar Graph .........50 3.2.5 Peak Measurement ......51 3.2.6 Output Function (Current Measurement) .....53 Frequency Measurement ......57...
  • Page 5 3.9.1 NORMAL Mode ........ 67 3.9.2 SLOW Mode ........67 3.9.3 FAST Mode ........67 3.10 Filter Function ........70 3.11 Key Lock Function ........ 71 3.12 Bar Graph Enlargement Function ..71 3.13 Battery Check Function ......72 3.14 MON Output Filter Function ....73 3.15 Auto Power Off Function .......
  • Page 6 Chapter 9 Carrying Case Chapter 10 Troubleshooting Chapter 11 After-sale Service 11.1 Cleaning ..........111 11.2 Service ..........111 Chapter 12 Appendix 12.1 Combined Accuracy ......113 12.1.1Accuracy Tables ......113 12.1.2Method of Calculation .....118 12.2 Use of Intermediate Cable ....119...

  • Page 7: Introduction

    Introduction Thank you for purchasing the HIOKI "3290 CLAMP ON AC/DC HiTESTER". To obtain maximum performance from the product, please read this manual first, and keep it handy for future reference. This manual describes the operation of the 3290 when used with the 9691, 9692, or 9693 CLAMP ON AC/DC SENSOR.

  • Page 8: Inspection

    Hioki representative. • Before using the product the first time, verify that it operates normally to ensure that the no damage occurred during storage or shipping. If you find any damage, contact your dealer or Hioki representa- tive. Accessories Strap ......................1 LR6 Manganese battery................4...

  • Page 9: Safety Notes

    Safety Notes This manual contains information and warnings essential for safe operation of the product and for maintaining it in safe operating condition. Before using the product, be sure to carefully read the following safety notes. This product is designed to conform to IEC 61010 Safety Standards, and has been thor- oughly tested for safety prior to shipment.
  • Page 10 The following symbols in this manual indicate the relative importance of cautions and warnings. Indicates that incorrect operation presents an ex- treme hazard that could result in serious injury or death to the user. Indicates that incorrect operation presents a sig- nificant hazard that could result in serious injury or death to the user.
  • Page 11 Measurement categories (Overvoltage categories) This product complies with CATIII (600 V), CATII (1000 V) safety requirements. To ensure safe operation of measurement products, IEC 61010 establishes safety standards for various electrical environments, categorized as CAT I to CAT IV, and called measurement categories.

  • Page 12: Usage Notes

    Usage Notes Follow these precautions to ensure safe operation and to obtain the full benefits of the various functions. • To avoid short circuits and potentially life- threatening hazards, never attach the product to a circuit that operates at more than the 600V, or over bare conductors.
  • Page 13 • The top part of the clamp sensor above the barrier (including the clamps, but not the lever) is provided with double insulation to ensure safety. Be careful not to drop the sensor or otherwise subject it to impact. A damaged sensor may result in electric shock during measurement.
  • Page 14 • Do not use the product when the battery is depleted ( lights on the LCD). When is on, accuracy and other specifications cannot be guaranteed. • For the inside memory protection, make sure the power is turned off before plugging in or unplugging the AC adapter.
  • Page 15 Observe the following to avoid damage to the product. • Installation and Operating Environment Between 0°C and 40°C; 80% RH or less; indoors only. Direct • Do not store or use the product where it could sunlight be exposed to direct sunlight, high temperature or humidity, or condensation.

  • Page 16: Organization Of This Manual

    CLAMP ON AC/DC HiTESTER when combined with the 9691, 9692, or 9693 CLAMP ON AC/DC SENSOR. Chapter 4 Battery Replacement Explains how to replace the battery used for the 3290 Clamp On AC/DC HiTESTER. Chapter 5 AC Adapter Explains how to use the 9445-02 AC Adapter (optional).
  • Page 17 Describes our customer support service. Chapter 12 Appendix • Provides the accuracy table and explains how to calculate accuracy for the 3290 CLAMP ON AC/ DC HiTESTER when combined with the 9691, 9692, or 9693 CLAMP ON AC/DC SENSOR. • Describes how to use the intermediate cable.

  • Page 19: Chapter 1 Overview

    Chapter 1 Overview 1.1 Product Overview The 3290 CLAMP ON AC/DC HiTESTER is used with the 9691, 9692, or 9693 CLAMP ON AC/DC SENSOR. These sensors are interchangeable and any model can be used with the 3290. The 3290 automatically detects the sensor connected and sets up the appropriate range.
  • Page 20 Chapter 1 Overview Multifunction Microcomputer The 3290 both compact and multifunctional thanks to the built-in microcomputer and use of the SHIFT key. Large-Screen LCD The large-screen LCD employed is easy to read. Clamp Sensor The 3290 is compatible with three clamp-on AC/DC sensors (9691, 9692, and 9693) having different ratings.
  • Page 21 REC Function You can select whether the maximum or minimum measurement value is displayed. Dual-power supply The 3290 runs on either battery power or an AC power source. Dustproof Cap The dustproof cap is provided for use in a dusty environment.

  • Page 22: Parts Names And Functions

    Chapter 1 Overview 1.3 Parts Names and Functions 1.3.1 3290 CLAMP ON AC/DC HiTESTER 7,15 8,16 9,17 10,18...
  • Page 23 Chapter 1 Overview Keys for Basic Measurement 1. POWER Key • Turns power ON/OFF. • Holding down the CLEAR key and turning power on initializes the setting save function and restores the default settings. • Holding down the HOLD key and turning power on disables the auto power-off function.
  • Page 24 Chapter 1 Overview 3. MODE Key • Selects the current measurement mode. AC+DC A DC A AC A 4. RANGE Key • Selects auto range or manual range. • Selects a measurement range when manual range is selected. • The current ranges for the 9691 and 9692 are 20 A and 200 A;...
  • Page 25 Chapter 1 Overview 8. PEAK/Hz Key • PEAK performs peak measurement of wave- forms (peak hold). • Hz performs frequency measurement (in AC A mode). • Holding down the PEAK/Hz key and turning power on turns off the buzzer. 9. MAX/MIN Key •...
  • Page 26 Chapter 1 Overview • During RMS measurement in AC mode or when in AC+DC mode (with RMS on), the measure- ment response speed changes according to the screen-updating rate (SLOW, FAST, or NOR- MAL). • You can only change the measurement response speed.
  • Page 27 Chapter 1 Overview 15. LOCK Key (SHIFT HOLD Keys) • Locks all keys including the POWER key. • To unlock, press the same keys again (SHIFT HOLD keys). 16. FILTER Key (SHIFT PEAK/Hz Keys) • Turns on a low-pass filter of approx. 500 Hz in AC A or AC+DC A mode.
  • Page 28 Chapter 1 Overview  Direct Current (DC)  Alternating Current (AC)  Alternating Current and Direct Current (AC+DC) Auto zero adjustment is active.  Low battery warning OUT1 Setting of OUT1 OUT2 Setting of OUT2 Data hold function Monitor is active. 1 Hz filter for monitor is active.
  • Page 29 24. Dustproof Caps (4 pcs.) Used to protect the terminals in a dusty environment. 25. Strap Used to hang the 3290 around neck so as not to drop it. 26. Top Case Cover the 3290 with this case when not in use to protect the LCD, keys and terminals.

  • Page 30: Clamp On Ac/Dc Sensor

    Chapter 1 Overview 1.3.2 9691, 9692, 9693 CLAMP ON AC/DC SENSOR 9692 9691 9693 Output connector...

  • Page 31: Flowchart Of Key Operations

    Chapter 1 Overview 1.4 Flowchart Of Key Operations 1.4.1 Current Measurements Mode MODE key AC+DC A DC A AC A RANGE key AUTO range AUTO range AUTO range  L range  L range  L range  H range  H range  H range PEAK/Hz key   AC A   DC A...
  • Page 32 Chapter 1 Overview MODE key AC+DC A AC A DC A OUT1 OUT2 OUT1 OUT2 OUT1 OUT2 OUTPUT key B.Lo B.Lo B.Lo SAMPL key  NORMAL  NORMAL  NORMAL   SLOW   SLOW   SLOW   FAST   FAST   FAST  Disabled  Disabled RMS/MEAN key   RMS   MEAN...
  • Page 33 Chapter 1 Overview MODE key AC+DC A DC A AC A MON.FL key   MON  Disabled   MON   MON.FL   MON.FL FILTER key   OFF   OFF   Disabled    ON    ON RESPONSE キー   Disabled  NORMAL  NORMAL (No displayed) (No displayed)   SLOW ( )   SLOW ( )   FAST ( )   FAST ( )

  • Page 34: Frequency Mode

    Chapter 1 Overview 1.4.2 Frequency Mode PEAK/Hz key Current PEAK  Hz Measured (AC A only) value RANGE key AUTO range AUTO range 10.00 Hz(L) range  L range 100.0 Hz(M) range  H range 1000 Hz(H) range MAX/MIN key   MAX   MAX    MIN   ...

  • Page 35: Modes

    Chapter 1 Overview 1.5 Modes For current, three modes are provided: DC (direct current,  ), AC (alternating current,  ), and AC+DC (alternating current and direct current,  ) modes. Select a proper mode according to the waveform shown below:...
  • Page 36 Chapter 1 Overview OUTPUT Input (only for current mode) Mode Display waveform (with polarity) Setting Not measurable impossible  （ ） Not measurable Not measurable (zero displayed) （） Not measurable (without polarity) AC+DC （）...

  • Page 37: Quick Reference

    Chapter 1 Overview Quick Reference Measurements Operations (page) DC A Measure- ment → AC A RMS Measure- ment → AC A MEAN MEAN Measure- ment → AC+DC A Measure- ment → DC A peak PEAK Measure- ment → AC A RMS PEAK Measure- peak...
  • Page 38 Chapter 1 Overview Quick Reference (application) Operations (page) Hold the measured value (Data Hold Function)  /  /  / peak HOLD Measurement record "O.L." is displayed (Overflow Warning Function)  /  /  / − peak When the measured value exceeds the max- record imum value, "O.L."...
  • Page 39 Chapter 1 Overview Operations (page) Obtained through a low-pass filter (LPF) set to approximately 1 (MON Output Filter Function)  /  OUT1： OUT1：  MON  MON.FL → OUT2： OUT2：  REC  REC Press the key Disable: → again. Obtained through a low-pass filter (LPF) to measurement value and output.
  • Page 40 Chapter 1 Overview Operations (page) Saved the settings (Setting the Save Function)  /  /  / peak " " display (Hold down 2 seconds.) Disable: " " " "    display Power ON Enlarged to the Bar graph. (Bar Graph Enlargement Function) ...

  • Page 41: Basic Measurement Procedures

    Chapter 2 Basic Measurement Procedures Basic Measurement Chapter 2 Procedures • To avoid short circuits and potentially life- threatening hazards, never attach the product to a circuit that operates at more than the 600V, or over bare conductors. • Clamp sensor should only be connected to the secondary side of a breaker, so the breaker can prevent an accident if a short circuit occurs.

  • Page 42: Dc Measurement (Dc A)

    Chapter 2 Basic Measurement Procedures 2.1 DC Measurement (DC A) Press the MODE key to display DC A (  ). Press the SHIFT key to display...
  • Page 43 Chapter 2 Basic Measurement Procedures Press the 0 ADJ key (CLEAR key) to perform zero adjustment. will appear on the LCD. Align the current direction indicator on the clamp with the current direction 9691 CLAMP ON AC/DC SENSOR of the conductor to be measured, then clamp Load the conductor so that it...

  • Page 44: Ac Measurement (Ac A)

    Chapter 2 Basic Measurement Procedures 2.2 AC Measurement (AC A) Press the MODE key to  display AC A ( * When measuring current up to 10 Hz, use AC+DC A mode and select SLOW. Clamp the conductor to be measured so that it 9691 CLAMP ON AC/DC SENSOR passes through the center of the clamp core.

  • Page 45: Peak Measurement In Ac+Dc A Mode

    Chapter 2 Basic Measurement Procedures 2.3 Peak Measurement In AC+DC A Mode Press the MODE key to display AC+DC A (  ). Press the PEAK/Hz to display PEAK.
  • Page 46 Chapter 2 Basic Measurement Procedures Press the SHIFT key to display Press the 0 ADJ key (CLEAR key) to perform zero adjustment. will appear on the LCD. Clamp the conductor to 9691 CLAMP ON AC/DC SENSOR be measured so that it passes through the center of the clamp core.
  • Page 47 Chapter 2 Basic Measurement Procedures Press the CLEAR key (0 ADJ key) to clear the data. Read the displayed value. Since the measurement range is set to AUTO, you need not set the range.
  • Page 48 Chapter 2 Basic Measurement Procedures...

  • Page 49: Chapter 3 Measurement Procedures

    Procedures • Do not connect or disconnect the output con- nector of the clamp-on sensor while power is supplied to the 3290 or the sensor is clamping a conductor to be measured. • When disconnecting the output connector of the...
  • Page 50 ” will appear. Connecting/Disconnecting the Clamp On Sen- When connecting the clamp-on sensor to the 3290, hold it by the area above the metal part of the output connector when inserting it. If it is held by the metal part, it won’t be possible to insert the output connector into the sensor connector.

  • Page 51: Current Measurement

    Chapter 3 Measurement Procedures Wide terminal Output connector Connecting Disconnecting 3.2 Current Measurement • The ends of the clamp sensor are very delicate. Be careful not to drop the sensor or subject it to impact. If the sensor is deformed or the contact surfaces of the clamps are damaged, the mea- surement may not be accurate.

  • Page 52: Measuring Dc Current (Dc A)

    Chapter 3 Measurement Procedures • The reading may show a measurement greater than the actual value due to magnetic-field inter- ference. The amount of interference varies depending on the sensor. For details, see “Exter- nal magnetic-field interference” in Chapter 8 Clamp Sensor Specifications.

  • Page 53: Measuring Ac Current (Ac A)

    Chapter 3 Measurement Procedures The auto zero adjustment range is ± 450 dgt. for the L range and ± 45 dgt. for the H range. If the sensor’s offset exceeds these ranges, the auto zero adjustment cannot be performed. 4. Open the clamps of the sensor. Orient the cur- rent direction indicator on the clamps in the current direction of the conductor to be mea- sured, place the conductor in the center of the...
  • Page 54 Chapter 3 Measurement Procedures 3. Open the clamps of the sensor, place the con- ductor to be measured in the center of the clamp core, and clamp it. In addition, make sure the clamp sensor is perpendicular to the conductor. •...

  • Page 55: Measuring Ac + Dc Current (Ac+Dc A)

    Chapter 3 Measurement Procedures 3.2.3 Measuring AC + DC Current (AC+DC A) 1. 1. Press the MODE key to display “  .” 2. 2. Select a measurement range suitable for the current to be measured. 3. 3. Before clamping the conductor to be mea- sured, press the 0ADJ key (SHIFT CLEAR key) with the clamp sensor fully closed to per- form the auto zero adjustment.

  • Page 56: Bar Graph

    Chapter 3 Measurement Procedures 3.2.4 Bar Graph The bar graph shows the current measurement range and the measurement. The blinking segment represents the current measurement range. When AUTO range is selected, it represents the range for internal operation. For example, if the segment at “2”...

  • Page 57: Peak Measurement

    4. 4. Select a measurement range. (When AUTO range is selected, some time may be required for the 3290 to detect an appropriate range and switch over to the range. This may delay the peak measurement. If it is not possible to estimate the peak current value, use the H range.)
  • Page 58 Chapter 3 Measurement Procedures 5. Before conducting the measurement, press the CLEAR key to clear (reset) the previous data. In DC A or AC+DC A mode, when there is no input, pressing the 0ADJ key (SHIFT CLEAR key) performs the auto zero adjust- ment and clears the data at the same time.

  • Page 59: Output Function (Current Measurement)

    The current measurement is output at the rate printed on the battery cover of the 3290. The battery-low warning signal is output at approximately DC 3 V until the warning indicator (  ) appears. After ...
  • Page 60 B.Lo OFF) OFF) OFF) 5. Determine the range setting from both the measurement range of the 3290 and that of the instrument used, such as a recorder. See the conversion tables below. Instrument 10 mV 20 mV 50 mV 0.1 V 0.2 V...
  • Page 61 100k Input frequency (Hz) • Make sure measuring instruments connected to the 3290 have input impedance over 1 M. If the impedance is low, the readings will be affected. • When using the output function, be sure to press the OUTPUT key, and make sure OUT1 is on.
  • Page 62 • If the MODE key is pressed to switch over to the current measurement mode while frequency measurement records are being output, the 3290 continues to output the frequency records. To output current measurements, press the OUTPUT key to cancel the frequency output and edit the output setting.

  • Page 63: Frequency Measurement

    5. Open the clamps of the sensor, and clamp the conductor to be measured. • When the 3290 is running on the battery, if fre- quency measurement is performed with the cur- rent showing O.L., the current consumption will be increased and the battery life will be short- ened.

  • Page 64: Output Function (Frequency Measurement)

    Chapter 3 Measurement Procedures • The 10-Hz range or 100-Hz range will display up to 125% of each range. • Pressing the MAX/MIN key will not affect the out- put. • The bar graph shows the current measurement. • Zero cross detection of waveforms is used for frequency measurement.
  • Page 65 OUTPUT key and confirm that OUT1 is on. When OUT1 is off, the output will not reflect the value for frequency measurement. • When the 3290 is running off battery power, per- forming frequency measurements with the cur- rent showing O.L. will increase current consumption and reduce battery life.

  • Page 66: Auto-Zero Adjustment Function

    Chapter 3 Measurement Procedures • When “----“ is displayed, the output is 0 V. When O.L. is displayed, the output is approx. 1.4 V. • Use the 9445-02 or 9445-03 (EU) AC adapter (optional) for long-term recording. • When the AC adapter is used, if the commercial power line contains a large amount of noise, the display may show several counts or noise may be present in the output.

  • Page 67: Data Hold Function

    Chapter 3 Measurement Procedures 3.5 Data Hold Function Use this function to hold the current reading. “ ” will light up, and the numerical reading and bar graph will be held. The data hold function is available in any measurement mode. 1.

  • Page 68: Fast Mode

    Chapter 3 Measurement Procedures • During RMS measurement in AC A mode or in AC+DC A mode, measurement response time is approximately 8 seconds. If there is a transient change in measurement, some time will be required for the reading to stabilize. 3.6.2 FAST Mode This mode sets the screen update rate to approximately 4 times/second during current or frequency measurement.

  • Page 69: Recording Function

    & minimum. 3.7.1 Measurement Reading Pressing the MAX/MIN key during current or frequency measurements activates the recording function. The 3290 saves the maximum measurement (MAX), minimum measurement (MIN), and mean value (AVE) in internal memory when the MAX/MIN key is pressed. If the MAX/ MIN key is pressed while the recording function is activated, the indication changes as shown below.

  • Page 70: Display Of Elapsed Time

    Chapter 3 Measurement Procedures 3.7.2 Display of Elapsed Time When the MAX/MIN key is pressed to activate the recording function, measurement of elapsed time will begin. The elapsed time is displayed when “TIME” is on. The digital readout can display a maximum of 99 hours 59 minutes.

  • Page 71: Disabling The Recording Function

    MAX/MIN key is pressed. • Use the 9445-02 or 9445-03 (EU) AC adapter (optional) for long-term recording. If the 3290 is powered by batteries, press the B.CHECK key (SHIFT  MAX/MIN key and check the remain-...

  • Page 72: Measurement Method Switching Function

    Chapter 3 Measurement Procedures 3.8 Measurement Method Switching Function In AC A mode, the measurement method is selectable between true rms measurement (RMS) and average rectified rms indication (MEAN). RMS provides accurate measurement of distorted waveforms. MEAN provides accurate measurement of sine waves that are not ...

  • Page 73: Measurement Response Speed Switching Function

    AC+DC A mode, low frequencies (10 Hz or less) will be measured accurately when SLOW mode is selected. However, due to the slow response speed, the 3290 will be unable to measure sudden changes. • To measure currents of 10 Hz or less, measure-...
  • Page 74 Chapter 3 Measurement Procedures Output Response Waveform (Rise) OUT2: OUT1: FAST REC output waveform MON output waveform 200A 100A AC A mode 200A range: 0A → 180A (45Hz) 0.2 s NORMAL OUT1: OUT2: MON output waveform REC output waveform 200A 100A AC A mode 200A range: 0A →...
  • Page 75 Chapter 3 Measurement Procedures Output Response Waveform (Fall) FAST OUT1: MON output waveform OUT2: REC output waveform AC A mode 200A range: 200A → 20A (45Hz) 0.2 s NORMAL OUT1: MON output waveform OUT2: REC output waveform AC A mode 200A range: 200A → 20A (10Hz) 0.8 s SLOW OUT1:...

  • Page 76: Filter Function

    The filter function is available in AC A and AC+DC A modes. A low-pass filter (LPF) allows low frequencies to pass through while removing high frequencies. The 3290 sets the cut-off frequency (fc) to approximately 500 Hz. When the filter function is enabled, input current waveforms around 500 Hz can be reduced to –3 dB...

  • Page 77: Key Lock Function

    Chapter 3 Measurement Procedures 3290 Filter Characteristics Filter OFF Filter ON Input frequency (Hz) 3.11 Key Lock Function This function locks all keys, including the POWER key, to prevent accidental alteration of the settings. The auto power off function will be disabled.

  • Page 78: Battery Check Function

    Chapter 3 Measurement Procedures 3.13 Battery Check Function This function uses a bar graph to indicate the remaining battery power. Press the B.CHECK key (SHIFT MAX/MIN key) to display the bar graph. The remaining charge will be indicated as 0%, 25%, 50%, 75%, or 100% for approximately 2 seconds.

  • Page 79: Mon Output Filter Function

    Chapter 3 Measurement Procedures 3.14 MON Output Filter Function In DC A or AC+DC A mode, when OUT1 is set to MON, output can be obtained through a low-pass filter (LPF) set to approximately 1 Hz. This function will be useful for outputting a DC component only when an AC component or noise is superimposed on the DC component.

  • Page 80: Auto Power Off Function

    Chapter 3 Measurement Procedures 3.15 Auto Power Off Function When approximately 10 minutes have elapsed since the last key operation, the power to the 3290 is automatically turned off. This prevents the 3290 from being left on unintentionally and minimizes battery consumption.

  • Page 81: Setting The Save Function

    The 3290 is factory-set as shown below. A setting may be edited (for example) by selecting a frequently used mode and saving it. When the setting is saved, the 3290 will be turned on with the saved setting. The saved setting can be changed.

  • Page 82: Battery-Low Warning

    (Battery-low warning signal) If the paper-feed speed is low, the lines of the graph will be thickened. • When the 3290 is running off battery power, per- forming frequency measurements with the cur- rent showing O.L. will increase current consumption and reduce battery life.

  • Page 83: Beep Tone

    Chapter 3 Measurement Procedures If the power is turned off with the battery-low warning indicator (  ) displayed, when power is turned on again, the battery-low warning indicator (  ) may not light up immediately. This is because voltage often increases slightly if a battery is not used for some time.
  • Page 84 Chapter 3 Measurement Procedures...

  • Page 85: Chapter 4 Batteries Replacement

    Chapter 4 Batteries Replacement Batteries Chapter 4 Replacement • To avoid electric shock when replacing the batteries, first disconnect the clamp from the object to be measured. • After replacing the batteries, replace the cover and screws before using the prod- uct.
  • Page 86 Chapter 4 Batteries Replacement...

  • Page 87: Chapter 5 Ac Adapter

    • For AC adapter operation, use only the Hioki Model 9445-02 or 9445-03 (EU) AC adapter. We cannot accept responsibility for accidents or damage related to the use of any other AC adapter.
  • Page 88 Chapter 5 AC Adapter • When using the AC adapter, note that current of approximately 3 mA is consumed regardless of whether the power switch of the 3290 is on or off. (Battery power is not consumed, however, when power is turned off.) •...

  • Page 89: Chapter 6 Attaching The Strap

    Chapter 6 Attaching the Strap Chapter 6 Attaching the Strap Using the 3290 with the strap attached improves operability. Fasten the two straps together into one. 2.Attach each end to the 3290 as shown in the figure above.
  • Page 90 Chapter 6 Attaching the Strap...

  • Page 91: Chapter 7 Specifications

    (The specifications vary depending on the maximum continuous input range and maximum peak current of the sensor used.) • The current measurement ranges of the 3290 are auto range and manual range (L range and H range). The 3290 automatically detects the sensor connected to...
  • Page 92 Satisfies the specification at 10 Hz or more. (3) SLOW (8.0 sec) Satisfies the specification at 1 Hz or more. Accuracy of the 3290 (23  5  , 73  9  , 80%RH or less, no condensation) Guaranteed accuracy period: 1 year 1.
  • Page 93 Chapter 7 Specifications  (rdg. +mV) (2) REC output accuracy (2 V/range) 1 to 10Hz 10 to 45Hz 45 to 66Hz 66 to 1kHz FAST NORMAL  AC RMS (0.8%+10)  (1.3%+5) AC+DC  (0.8%+5)  (0.8%+5) (AC +DC  (0.8%+5) SLOW (AC +DC only)

  • Page 94: General Specifications

    Chapter 7 Specifications 2. Frequency measurement • When input is 5% or larger of the current range  (rdg. +dgt.) (1) DIsplay accuracy Maximum Range (Accuracy Range) Resolution display 10Hz (1.00 to 10.00Hz) 0.01Hz 12.50Hz  (0.3%+1) 100Hz (10.0 to 100.0Hz) 0.1Hz 125.0Hz ...
  • Page 95 Chapter 7 Specifications Turning the filter Press the SHIFT PEAK/Hz keys to turn a on/off 500 Hz LPF on and off in AC A and AC+DC A modes. The filter characteristic is -3 dB at 550 Hz ±10%. Recording Press the MAX/MIN key to select the max- imum value (MAX), minimum value (MIN), average (AVE), or elapsed time (TIME) to be displayed.
  • Page 96 Chapter 7 Specifications Auto power-off Automatic shutdown occurs after 10.5 ±1 minutes. A beep tone warning sounds before shutdown. You can extend the time or disable the function (by holding down the HOLD key and turning power on). Beep tone ON/OFF (Holding down the PEAK/Hz key and turning power on switches off the beep sound.)
  • Page 97 Chapter 7 Specifications Circuit dynamic Max. 2.5 (The upper limit of H range is the characteristics maximum peak current of the sensor con- (crest factor) nected. The maximum output voltage of L range is 4 V.) Output impedance Max. 100 Ω Temperature char- 0 ...
  • Page 98 Chapter 7 Specifications Options 9445-02 AC ADAPTER (SA10-0910N, SINO-AMERICAN) 9445-03 AC ADAPTER (EU) (SA10-0910G, SINO-AMERICAN) 9094 OUTPUT CORD 9400 CARRYING CASE 9691 CLAMP ON AC/DC SENSOR 9692 CLAMP ON AC/DC SENSOR 9693 CLAMP ON AC/DC SENSOR...

  • Page 99: Chapter 8 Clamp Sensor Specifications

    Chapter 8 Clamp Sensor Specifications Clamp Sensor Chapter 8 Specifications 8.1 9691 CLAMP ON AC/DC SENSOR Rated current AC/DC 100 A Output voltage AC/DC 1 V/100 A 100 Ω or less Output resistance Maximum permissible 100 Arms continuous (Derating input according to frequency) Maximum peak current 150 A...
  • Page 100 Chapter 8 Clamp Sensor Specifications Frequency band DC to 10 kHz (-3dB) Effect of conductor Within ±1.0% (at 80 A (55 Hz)) position Effect of external 0.5 A equivalent or less (in an external electromagnetic field electromagnetic field of 400 A/m) Temperature character- 0 ...
  • Page 101 Chapter 8 Clamp Sensor Specifications Applicable standards Safety EN61010 Type A current sensor Measurement categories III (Anticipated Transient Over- voltage: 6000 V), Pollution Degree 2 EN61326 9691 Frequency characteristics 100k Frequency (Hz) 9691 Derating according to frequency 100k Frequency (Hz)

  • Page 102: 9692 Clamp On Ac/Dc Sensor

    Chapter 8 Clamp Sensor Specifications 8.2 9692 CLAMP ON AC/DC SENSOR Rated current AC/DC 200 A Output voltage AC/DC 2 V/200 A 100 Ω or less Output resistance Maximum permissible 200 Arms continuous (Derating input according to frequency) Maximum peak current 300 A value Accuracy guarantee for...
  • Page 103 Chapter 8 Clamp Sensor Specifications Temperature character- 0  to 40  range: 0.1 x accuracy istics specifications/  32 to 104  range: 0.18 x accuracy specifications/  Operating temperature 0 to 40  , 32 to 104  , 80% RH or and humidity range less;...
  • Page 104 Chapter 8 Clamp Sensor Specifications 9692 Frequency characteristics 100k Frequency (Hz) 9692 Derating according to frequency 100k Frequency (Hz)

  • Page 105: 9693 Clamp On Ac/Dc Sensor

    Chapter 8 Clamp Sensor Specifications 8.3 9693 CLAMP ON AC/DC SENSOR Rated current AC/DC 2000 A Output voltage AC/DC 2 V/2000 A 100 Ω or less Output resistance Maximum permissible 2000 Arms (Derating according to fre- input quency) Maximum peak current 2840 A value Accuracy guarantee for...
  • Page 106 Chapter 8 Clamp Sensor Specifications Temperature character- 0  to 40  range: 0.1 x accuracy istics specifications/  32 to 104  range: 0.18 x accuracy specifications/  Operating temperature 0 to 40  , 32 to 104  , 80% RH or and humidity range less;...
  • Page 107 Chapter 8 Clamp Sensor Specifications 9693 Frequency characteris 100k Frequency (Hz) 9693 Derating according to frequency 2500 2000 1500 1000 100k Frequency (Hz)
  • Page 108 Chapter 8 Clamp Sensor Specifications...

  • Page 109: Chapter 9 Carrying Case

    Chapter 9 Carrying Case The optional 9400 Carrying Case is used to house the products described below. • 3290 CLAMP ON AC/DC HiTESTER • 9691 CLAMP ON AC/DC SENSOR • 9692 CLAMP ON AC/DC SENSOR • 9693 CLAMP ON AC/DC SENSOR •...
  • Page 110 You can use the carrying case as follows: 1. Open the carrying case cover and fold it into the bottom of the case, then connect the sensor to the 3290 in the case. 2. Remove the top case of the 3290. With the sensor connected to the 3290, close the carrying case cover and perform measurement.

  • Page 111: Chapter 10 Troubleshooting

    Chapter 10 Troubleshooting Chapter 10 Troubleshooting If the unit seems not to be working normally, check the following points first before requesting service. Battery Symptom Batteries metal fittings Unit does not come on.  indication appears and unit immediately turns off. ...
  • Page 112 Even when using an unused battery, check the expiration date. A depleted battery may lack sufficient current capacity to drive the 3290. • If you're using the AC adapter, check that it's fully inserted into the AC adapter terminal and socket.
  • Page 113 • Check the low battery warning indicator. Frequency Measurement • Check the waveform. The 3290 may not be able to measure some special waveforms, such as those of an inverter. • Check the current to determine whether current input...
  • Page 114 • Look for magnetic fields, electrical fields or possible noise sources near the product. • Check the waveform. The 3290 may not be able to measure some special waveforms, such as those of an inverter. (See 3.3.1, “NOTE,” for details.) •...
  • Page 115 For frequency up to 10 Hz, select AC+DC A mode and SLOW. • Check that the sensor cable are fully connected. • Check the waveform. The 3290 may not be able to measure some special waveforms, such as those of an inverter. (See 3.3.1, “NOTE,” for details.)
  • Page 116 Chapter 10 Troubleshooting...

  • Page 117: Chapter 11 After-Sale Service

    • For information regarding service, please contact your dealer or the nearest HIOKI representative. • If uncertain whether the problem can be attributed to the 3290 or clamp sensor, request that both be repaired. • Pack the product carefully so that it will not be damaged during shipment, and include a detailed written description of the problem.
  • Page 118 Chapter 11 After-sale Service...

  • Page 119: Chapter 12 Appendix

    Chapter 12 Appendix Chapter 12 Appendix 12.1 Combined Accuracy 12.1.1Accuracy Tables This section shows the accuracy tables when the 3290 is combined with the 9691, 9692, or 9693, and describes the method of calculation. 9691 + 3290 Combined Accuracy (1) Display accuracy ±(%rdg.
  • Page 120 Chapter 12 Appendix (3) MON output accuracy ±(%rdg. +mV) 1 to 10Hz 10 to 66Hz 66 to 500Hz − AC+DC 1.3%+10mV 2.3%+10mV − − to 80A 2.3%+5.5mV AC+DC 1.3%+5.5mV 80A to 100A 2.8%+5.5mV to 80A 2.3%+5.5mV − 80A to 100A 2.8%+5.5mV (4) Peak display accuracy ±(%rdg.
  • Page 121 Chapter 12 Appendix 9692 + 3290 Combined Accuracy (1) Display accuracy ±(%rdg. +A) 1 to 10Hz 10 to 66Hz 66 to 1kHz 1.3%+0.10A − AC+DC 1.3%+0.12A 2.0%+0.08A 1.3%+0.08A 2.3%+0.08A − 1.3%+0.5A − AC+DC 1.3%+0.7A 2.0%+0.3A 1.3%+0.3A 2.3%+0.3A − (2) REC output accuracy ±(%rdg.
  • Page 122 Chapter 12 Appendix 9693 + 3290 Combined Accuracy (1) Display accuracy ±(%rdg. +A) 1 to 10Hz 10 to 45Hz 45 to 66Hz 66 to 1kHz 1.8%+1.0A − AC+DC 1.8%+1.2A 3.0%+0.8A 2.3%+0.8A 1.3%+0.8A 2.3%+0.8A − 1.8%+0.5A − to 1800A 3.0%+3A 2.3%+3A 1.3%+3A...
  • Page 123 Chapter 12 Appendix (3) MON output accuracy ±(%rdg. +mV) 1 to 10Hz 10 to 45Hz 45 to 66Hz 66 to 1kHz − 1.8%+10mV AC+DC 2.3%+10mV 1.3%+10mV 2.3%+10mV − − to 1800A 2.3%+5.5mV 1.3%+5.5mV2.3%+5.5mV 1.8%+5.5mV AC+DC 1800A to 2.3%+5.5mV − 2000A to 1800A 2.3%+5.5mV1.3%+5.5mV2.3%+5.5mV −...

  • Page 124: 2Method Of Calculation

    • True value when 160.0 A is shown: 157.5 A to 162.3 A *1 See the accuracy at 10 to 66 Hz in AC mode for H range in the 9692+3290 combined display accuracy table on page 102. *2 rdg. error = 160 A x 1.3% Total error when REC output is 1.2 V (60 Hz) (for...

  • Page 125: Use Of Intermediate Cable

    The graph below shows frequency characteristic differences among standard equipment, that with a 10 m intermediate cable, and that with a 100 m intermediate cable. 9691 + intermediate cable + 3290 MON output frequency characteristics standard 100k Frequency (Hz)
  • Page 126 Chapter 12 Appendix 9692 + intermediate cable + 3290 MON output frequency characteristics standard 100k Frequency (Hz) 9693 + intermediate cable + 3290 MON output frequency characteristics standard 100k Frequency (Hz)
  • Page 129 HIOKI 3290 CLAMP ON AC/DC HiTESTER Instruction Manual Publication date: December 2006 Revised edition 5 Edited and published by HIOKI E.E. CORPORATION Technical Support Section All inquiries to International Sales and Marketing De- partment 81 Koizumi, Ueda, Nagano, 386-1192, Japan TEL: +81-268-28-0562 / FAX: +81-268-28-0568 E-mail: os-com@hioki.co.jp...
  • Page 130 HEAD OFFICE 81 Koizumi, Ueda, Nagano 386-1192, Japan TEL +81-268-28-0562 / FAX +81-268-28-0568 E-mail: os-com@hioki.co.jp URL http://www.hioki.co.jp/ HIOKI USA CORPORATION 6 Corporate Drive, Cranbury, NJ 08512, USA TEL +1-609-409-9109 / FAX +1-609-409-9108 3290A981-05 06-12H Printed on recycled paper...

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