Hioki IR4055 Instruction Manual
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Hioki IR4055 Instruction Manual

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  • Page 1 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 2: Table Of Contents

    Contents Introduction .................1 Verifying Package Contents ..........1 Safety Information ..............3 Operating Precautions ............8 Overview Product Overview ..........13 Names and Functions of Parts ....14 Preparing for Measurement Replacing Batteries or Fuse ......22 Using the Model L9788-10 Test Lead with Remote Switch (Red) ......25 Measurement Pre-measurement Inspection .......27 Auto Power Save...
  • Page 3 Contents Discharging Function ........37 Voltage Measurement ........38 Negative Voltage Notification Function (Model IR4055) ............39 Low Resistance Measurement (Model IR4056, IR4057, IR4058) ....40 Ω Measurement Function (Model IR4055) ..........42 3.10 Bluetooth ® Communication Function ..49 Installing the Smartphone App GENNECT Cross ..50 Pairing the App ............

  • Page 4: Introduction

    (Only for the instruments with suffix “-11” and “-21”) 付 録 索 □ Neck strap 引 * Model L9787 and L9788-11 are all exclusively designed for the Hioki IR4000 series. Do not use for any other purpose. GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 5 Options L4930 接続ケーブル 9243 graber L4937 マグネットアダプ The following options are available for the IR4000 series. Contact L4932(+9207-10cap) L4934 小ワニグチ タ your authorized Hioki distributor or reseller when ordering. DT4911TestLead L9207-10 DM4910 熱電対 L4931renketu L4933 コンタクトピン DT4912TestLead L4931 延長ケーブル マグネ付ストラップ...

  • Page 6: Safety Information

    Safety Information Safety Information 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: DANGER...
  • Page 7 Safety Information Notation In this document, the risk seriousness and the hazard levels are classified as follows. Indicates an imminently hazardous situation that will DANGER result in death or serious injury to the operator. Indicates a potentially hazardous situation that may WARNING result in death or serious injury to the operator.
  • Page 8 Safety Information Symbols on the instrument Indicates cautions and Indicates a grounding hazards. When the symbol terminal. is printed on the instrument, Indicates DC (Direct refer to a corresponding Current). topic in the Instruction Indicates AC Manual. (Alternating Current). Indicates that dangerous Do not use in distribution voltage may be present at systems with voltage...
  • Page 9 ® • Bluetooth is a registered trademark of Bluetooth SIG, Inc. (USA). The trademark is used by HIOKI E.E. CORPORATION under license. • Android and Google Play are trademarks of Google, Inc. • IOS is a registered trademark of Cisco in the U.S. and other countries.
  • Page 10 Safety Information 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 carefully avoided.

  • Page 11: Operating Precautions

    • Verify that the instrument operates normally to ensure that no damage occurred during storage or shipping. If you find any damage, contact your authorized Hioki distributor or reseller. GlobalTestSupply www. .com Find Quality Products Online at:...
  • Page 12 Operating Precautions WARNING • To avoid electric shock, short circuits and damage to the instrument, observe the following precautions: Check the position of the rotary switch before taking measurements. Disconnect the test leads from the measurement object before switching the rotary switch.
  • Page 13 Operating Precautions CAUTION • The cable is hardened under the 0°C or colder environment. Do not bend or pull it to avoid tearing its shield or cutting cable. • The protection rating for the enclosure of this device (based on EN60529) is IP40*. * IP40: This indicates the degree of protection provided by the enclosure of the device against use in hazardous locations, entry of solid foreign...
  • Page 14 Operating Precautions Installing the instrument WARNING Installing the instrument in inappropriate locations may cause a malfunction of instrument or may give rise to an accident. Avoid the following locations. • Exposed to direct sunlight or high temperature • Exposed to corrosive or combustible gases •...
  • Page 15 Operating Precautions Handling the Instrument DANGER Persons wearing electronic medical devices such as apacemaker should not use model 9804-02 Magnet Adapter. Such persons should avoid even proximity to model 9804-02, as it may be dangerous. Medical device operation could be compromised, presenting a hazard to human life.

  • Page 16: Overview

    • There is no need to switch to a card tester when you need to measure 付 voltage. 録 Ω measurement function (Model IR4055) • Insulation resistance can be measured accurately for solar battery panel. 索 引 GlobalTestSupply www.

  • Page 17: Names And Functions Of Parts

    Names and Functions of Parts 1.2 Names and Functions of Parts Front IR4056, IR4057, IR4058 (The figure below is model IR4058) (p. 19, p. 22, p. 32, p. 38) Display (p.  8 ) (p.  8 ) MEASURE key (p.  1 6) Starts insulation resistance measurement.
  • Page 18 COMP value. ® Sets the Bluetooth (p.  4 9) Bluetooth (IR4055, IR4058) Press before measurement to set the instrument RELEASE to the 500 V or 1000 V range (to prevent erroneous application of the test signal). IR4055 (Other functions are the same as IR4056, IR4057, and IR4058.)
  • Page 19 Names and Functions of Parts MEASURE MEASURE states Press the right Pull Release portion Description in Turn off the Turn on the MEASURE key. this manual MEASURE key. *: Convenient way for performing measurement repeatedly Power OFF Rotary switch state Description in Turn off the rotary this manual...
  • Page 20 Names and Functions of Parts Display IR4057, IR4058 (The figure below is model IR4058) Bar graph Measured value Comparator judgment reference value or 1-minute value Battery indicator (three levels) (p.  2 7) Turns on when the voltage measured with the V range is DC. Turns on when the voltage measured with the V range is AC.
  • Page 21 Names and Functions of Parts Displaying 1-minute values (p.  3 5) • Turns on when 1 minute has passed since the start of insulation resistance measurement. • Indicates that the resistance value on the bottom of the display is a 1-minute value (the measured value 1 minute after the start of measurement).
  • Page 22 Names and Functions of Parts IR4055 Measured value or comparator reference value (Other functions are the same as IR4056, IR4057, and IR4058.) Ω Turns on when PV measurement mode is selected. Ω Turns on when selecting 500 V range in the PV measurement mode.
  • Page 23 Names and Functions of Parts Model L9788-10 Test Lead with Remote Switch (Red) CAUTION MEASURE key of the instrument is enabled even when the L9788-10 is connected to an insulation resistance tester. Note that the testing voltage is output when the MEASURE key of the instrument is turned ON while the L9788-10 is connected.

  • Page 24: Preparing For Measurement

    2 Preparing for Measurement Preparing for Measurement CAUTION Attach the strap securely to the four fittings on the instrument. If insecurely attached, the instrument may fall and be damaged when carrying. Attach the strap. Secure the strap at 4 positions. Insert the batteries.

  • Page 25: Replacing Batteries Or Fuse

    Fuse type: FF0.5 AH/1000 V (70 172 40.0.500: SIBA GmbH) (Fast blow, arc-extinguishing material included, and high breaking capacity) The fuses can be purchased via authorized Hioki distributor or reseller. (Fuse replacement not required for the IR4055) • To prevent instrument damage or electric shock, use only the screw for securing the battery cover in place that are originally installed.
  • Page 26 Replacing Batteries or Fuse CAUTION Poor performance or damage from battery leakage could result. Observe the cautions listed below. • Do no mix old and new batteries, or different types of batteries. • Be careful to observe the battery polarity during installation.
  • Page 27 Replacing Batteries or Fuse Turn off the rotary switch and remove the test lead from the instrument. Loosen the fastening screw Battery cover at the rear of the instrument and remove the battery cover. Replace all four batteries or the fuse. Slide the battery cover back into place and tighten the screw.

  • Page 28: Using The Model L9788-10 Test Lead With Remote Switch (Red)

    Using the Model L9788-10 Test Lead with Remote Switch (Red) 2.2 Using the Model L9788-10 Test Lead with Remote Switch (Red) Pre-measurement inspection Turn off the rotary Fully insert the L9788-10 plug into switch. the line terminal of the instrument. Short the test lead tips each other.
  • Page 29 When the tip pin of model L9788-10 Test Lead with Remote Switch (Red) is worn out or broken, it can be replaced. The tip pin can be purchased via authorized Hioki distributor or reseller. Turn off the rotary switch and disconnect the L9788-10.

  • Page 30: Measurement

    Before using the instrument, 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. Checking the remaining battery charge Is the battery level adequate?

  • Page 31: Auto Power Save

    Auto Power Save (Power-Saving Function) 3.2 Auto Power Save (Power-Saving Function) When the rotary switch is not in the OFF position, the instrument changes to the auto power save state 10 minutes after the last operation or live wire warning indication. To avoid battery depletion, turn off the rotary switch after use (the auto power save consumes a small amount of current).

  • Page 32: Comparator Function

    Comparator Function 3.4 Comparator Function This function compares the measured value with the preset value and judges whether the result is PASS (good) or FAIL (defective). Comparator settings for each range will be saved, even if the rotary switch is turned off.

  • Page 33: Setting The Comparator

    Ω Ω ‒ ‒ ‒ ‒ *1: Factory default setting Ω *2: Factory default setting when PV function is selected. *3: Reference values 0.1 to 0.5 are only for model IR4055. GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 34: Canceling The Comparator

    [REF] blinks and the resistance value that will be used as the judgement reference is displayed. IR4057, IR4058: COMP IR4055, IR4056: REF Press to select the judgement reference. If you do nothing about 2 seconds after you select the judgment...

  • Page 35: Insulation Resistance Measurement

    Insulation Resistance Measurement 3.5 Insulation Resistance Measurement The instrument is used to measure the insulation resistance to determine the insulation performance of circuits and equipment. Before starting a measurement, the voltage to be applied to the measuring object needs to be selected. WARNING Observe the following to avoid electric shock, short circuit, or damage to the instrument.

  • Page 36: Lock Function

    Insulation Resistance Measurement Lock Function This function is used to avoid applying high voltage such as 500 V or 1000 V to equipment having a lower withstanding voltage. This function will prevent the test voltage from being output even if the MEASURE key is pressed while the rotary switch is set to the 500 V, Ω...

  • Page 37: Measuring Insulation Resistance

    Insulation Resistance Measurement Measuring Insulation Resistance CAUTION To avoid electric shock, turn off the measuring line breaker. Example: When measuring the insulation resistance between the circuit and the ground Turn off the MEASURE key. Set the rotary switch to a test voltage of 50 V to 1000 V.

  • Page 38: Displaying 1-Minute Values (Model Ir4057, Ir4058)

    Insulation Resistance Measurement Turn off the MEASURE key with the test leads connected to the measuring object. The last measured values and are displayed and starts discharging. (p.  3 7) • Do not switch the function to other function or rated voltage when the measurement is in progress.

  • Page 39: Voltage Characteristics Of Measurement Terminals

    Insulation Resistance Measurement Voltage Characteristics of Measurement Terminals 1200 Rated 1000 V 1000 Rated 500 V Rated 250 V Rated 125 V Rated 50 V 0.05 0.125 ∞ 0.1 0.25 100 1000 Ω Resistance of measuring object [M GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 40: Discharging Function

    Discharging Function 3.6 Discharging Function After measurements are completed, discharge the measuring object. When objects with capacitance component are measured, a charge equivalent to the rated measurement voltage remains in the object that may cause electric shock. Even when the solar panel is discharged after measurement, a generated voltage from the solar panel is detected that may not be cleared.

  • Page 41: Voltage Measurement

    Voltage Measurement 3.7 Voltage Measurement This instrument can measure the AC voltage of commercial power. The instrument can check to ensure that the measuring object is not live before measuring insulation resistance. WARNING • Never press the MEASURE key while measuring voltage.

  • Page 42: Negative Voltage Notification Function (Model Ir4055)

    Connect the red test lead to the line side of the breaker. Check the value after the indicator has stabilized. Negative Voltage Notification Function (Model IR4055) You can check whether P and N are connected in reverse while measuring the open voltage of solar battery string.

  • Page 43: Low Resistance Measurement (Model Ir4056, Ir4057, Ir4058)

    Low Resistance Measurement (Model IR4056, IR4057, IR4058) 3.8 Low Resistance Measurement (Model IR4056, IR4057, IR4058) WARNING Do not measure under a live circuit condition. CAUTION If active circuits are connected to the measuring object circuit in parallel, the impedance and transient current of the parallel circuit could cause measurement errors.
  • Page 44 Low Resistance Measurement (Model IR4056, IR4057, IR4058) Example: Checking continuity of grounding wire Ω Set the rotary switch to the Short circuit the tip of the test lead. Turn on the MEASURE key. Turn off the MEASURE key to retain the measured value. Press Do not measure live wires.

  • Page 45: Ω Measurement Function (Model Ir4055)

    PVΩ Measurement Function (Model IR4055) Ω 3.9 PV Measurement Function (Model IR4055) This function allows accurate insulation resistance measurements between the solar panel and ground without any influence from power generation. For measurements between the coupling box output terminals and ground or between power conditioner and ground, use the normal insulation resistance range.
  • Page 46 • Maximum rated voltage between terminals of the IR4055 is 1000 V DC/600 V AC. Do not use the instrument for equipment with rated voltage over 1000 V DC or 600 V AC. Doing so may cause electric shock or failure.
  • Page 47 PVΩ Measurement Function (Model IR4055) • Insulation resistance is the ratio of applied voltage to leakage current. Displayed value may not stabilize depending on the measuring object, but it is not a failure of the instrument. • Press the MEASURE key fully down until a live circuit indicator turns on.
  • Page 48 PVΩ Measurement Function (Model IR4055) The method to measure the insulation resistance between the solar battery panel and ground without shorting P and N will be explained. See “Appx. 3 Insulation Resistance Measurements for Solar Cell Array” (p. Appx.3) Measurement preparation 1 Turn off the main switch of the connection box to be disconnected from the power conditioner.
  • Page 49 PVΩ Measurement Function (Model IR4055) Start Measuring WARNING Observe the following to avoid damage to the measuring object. • If the insulation has deteriorated between the terminal P and the ground, do not measure between the terminal N and the ground.
  • Page 50 PVΩ Measurement Function (Model IR4055) Power conditioner, Main switch P terminal (Black) Ground Disconnector devices terminal N terminal (Red) String Turn on the MEASURE key. To make continuous measurements, pull up the MEASURE key. Do not remove any test leads from the terminals until the resistance is displayed.
  • Page 51 PVΩ Measurement Function (Model IR4055) After Measurements After measuring insulation resistance for all the strings, remove the black test lead from the ground terminal. Reconnect the lightning arrester connection if disconnected. Turn on all the disconnector devices of the strings.

  • Page 52: Bluetooth ® Communication Function

    Bluetooth® Communication Function ® 3.10 Bluetooth Communication Function ® ® Models IR4055 and IR4058 support the Bluetooth (Bluetooth energy). ® When the Bluetooth function is enabled, you can review measurement data and create measurement reports on mobile devices (iPhone, iPad, iPad Mini, iPad Pro, iPod Touch, and Android™...

  • Page 53: Installing The Smartphone App Gennect Cross

    • Because model IR4055 and IR4058 emit radio waves, use in a country or region where they have not been approved may be subject to fines or other penalties as a violation of applicable laws or regulations.

  • Page 54: Pairing The App

    Returns to the • While the mobile device is displaying home screen. the connection setup screen, simply move it close to model IR4055 or IR4058 to automatically pair it with the instrument (the app can be paired with up to 8 instruments).

  • Page 55: Making Measurements With The Bluetooth ® Function

    Bluetooth® Communication Function ® Making Measurements with the Bluetooth Function On the home screen, select the standard measurement function from the options, standard measurement, logging and waveform display, to start a measurement. For more information about each function, see the help function in the GENNECT Cross. The values displayed by the instrument may be different from the values displayed by the application software due to communication delays or differences in the update timing.

  • Page 56: Specifications

    4 Specifications Specifications 4.1 Standard Specifications Functions Insulation Resistance measurement: DC voltage supply, current detection Low resistance measurement: DC current supply, voltage detection Voltage measurement: Automatic DC/AC detection Ω measurement: DC voltage supply, current detection AC voltage measurement rectification method: Mean rectification RMS value indication Available effective battery voltage indicator: Built-in battery power indicator...

  • Page 57: General Specifications

    40°C to 65°C (104°F to 149°F), at 65°C and below relative with linear decrease up to 25% • IR4055 0°C to 40°C (32°F to 104°F), 90% RH or less (no condensation) 40°C to 50°C (104°F to 122°F), at 50°C and...
  • Page 58 Dimensions (excluding Approx. 159W × 177H × 53D mm protrusions) (6.26″W × 6.97″D × 2.09″D) Mass (including • IR4055, IR4056: Approx. 600 g (21.2 oz.) battery, excluding test • IR4057, IR4058: Approx. 640 g (22.6 oz.) lead) Accessories Refer to “Verifying Package Contents” (p. 1) 付...
  • Page 59 *1 *2 EN61557-10 JISC1302 (Insulation resistance testers) *1: Subclause 4.3 of Part 4 (Interchanging of test leads) is not applicable when model L9788-10 is used. *2: Model IR4055 is not applicable. *3: Model IR4055 only GlobalTestSupply www. .com Find Quality Products Online at:...

  • Page 60: Measurement Functions

    0.200 to 0.200 to measuring 10.00 25.0 50.0 1000 range [M Ω Accuracy (Limit deviation ±2% rdg. ±2 dgt. (Model IR4055: ±4% rdg.) tolerance) 2nd effective 10.1 to 25.1 to 50.1 to 501 to 1010 to measuring range 100.0 2000 4000 Ω...
  • Page 61 Measurement functions Ω Ω Ω Ω Ω Display range Maximum Ω Ω Ω Ω Ω 1.000 M 1.000 M 1.000 M 1.000 M 1.000 M displayed value Ω Ω Ω Ω Ω Resolution 0.001 M 0.001 M 0.001 M 0.001 M 0.001 M Ω...
  • Page 62 Overload 600 V AC (10 sec.) (10 sec.) protection 660 V AC (10 sec.), 1200 V DC (10 sec.) (Only for IR4055) Display update IR4057, IR4058: Within 0.6 sec. (no update during response) interval IR4055, IR4056: Within 1.0 sec. (no update during response) 付...
  • Page 63 1.2 mA or less current IR4057, IR4058: Within 0.6 sec. Response time IR4055, IR4056: Within 1.0 sec. (with resistance load) IR4057, IR4058: Within 0.3 sec. IR4055, IR4056: Within 0.8 sec. Judgment time (When switching from an open state to 10 times the default...
  • Page 64 Measurement functions Low Resistance Measurement Open-circuit voltage 4.0 V to 6.9 V Ω Measuring current 200 mA or more (at 6 or less* ±3% rdg. ±2 dgt. Effect of temperature* (applicable to the operating temperature range other than 18°C to 28°C) Effect of supply ±3% rdg.±2 dgt.
  • Page 65 (applicable to the operating temperature range other than 18°C to 28°C) 750 V AC (10 sec.), 750 V DC (10 sec.) Overload protection 1200 V DC (10 sec.) (Only for IR4055) Display update interval Within 1 sec. Within 1.2 sec.

  • Page 66: Pvω Measurement (Model Ir4055)

    PVΩ Measurement (Model IR4055) Ω 4.4 PV Measurement (Model IR4055) See explanation for 500 V and 1000 V of the insulation resistance Ω measurement for PV range configuration. Ω Measurement Ω Ω Measurement voltage (DC) 500 V 1000 V Ω...

  • Page 67: External Interface Specifications (Model Ir4055, Ir4058)

    External Interface Specifications (Model IR4055, IR4058) Ω * For the PV measurement function, the output voltage is divided by the Ω resistor and the resistor connected between measurement terminals Ω because a 1 M current limiting resistor is connected to the earth terminal.

  • Page 68: Maintenance And Service

    The calibration period varies depending on the status of the instrument or installation environment. We recommend that the calibration period be determined inaccordance with the status of the instrument or installation environment. Please contact your Hioki distributor to have your instrument periodically calibrated. Precautions when transporting the instrument...

  • Page 69: Troubleshooting

    Troubleshooting 5.1 Troubleshooting Before Returning for Repair If damage is suspected, check the "Troubleshooting" section below before contacting your authorized Hioki distributor or reseller. Symptom Check Items Remedy and Reference Unable to perform Are you setting the rotary Turn off the MEASURE measurement.
  • Page 70 Troubleshooting Symptom Check Items Remedy and Reference In the 500 V range, Does the battery have Replace the batteries with 1000 V range or sufficient charge? new alkaline batteries. Ω range, turning Is alkaline battery used? (p.  2 2) MEASURE on the Has 1 minute lapsed after Release the lock function...
  • Page 71 Troubleshooting Symptom Check Items Remedy and Reference There is excessive Is a charging circuit located Disconnect the circuit variation in the near the measurement breaker for any nearby measured value. object? charging circuits. If this is not possible, use the lowest measured value as the measurement result.
  • Page 72 Troubleshooting Symptom Check Items Remedy and Reference When the Has the supplied or Use the test leads that instrument is optional test lead used? came with the instrument calibrated, the or its optional test leads accuracy of to perform the calibration the insulation procedure.

  • Page 73: Error Displays And Remedies

    Troubleshooting Error Displays and Remedies When an error is displayed on the LCD screen, repair is necessary. Please contact your authorized Hioki distributor or reseller. Display Description Remedy and Reference • Verify that there is no broken The instrument was connection in the test leads.

  • Page 74: Appendix Appx.1

    V by the current I. Ω 3. PV measurement (Model IR4055) The resistance Rx is calculated using the equation (Applied voltage V)/ (Leakage current I) by applying a voltage V to the measuring object, and then measuring the leakage current I flowing through the measuring object and applied voltage V.

  • Page 75: Appx. 2 Operation Uncertainty

    Operation Uncertainty Appx. 2 Operation Uncertainty The operation uncertainty and the variations of measurement value for the respective influence quantity approved by EN/IEC61557 are as follows: Variation Intrinsic uncertainty/ Operation Insulation influence quantity range Low resistance resistance Intrinsic Reference ±5% rdg. ±3% rdg.

  • Page 76: Appx. 3 Insulation Resistance Measurements For Solar Cell Array

    Ω measurement with a normal insulation resistance meter. PV measurement mode of the IR4055 allows accurate measurements without the effect from power generation. Connection box Earth leakage...

This manual is also suitable for:

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