Hioki FT4310 Instruction Manual
  1. Manuals
  2. Brands
  3. Hioki Manuals
  4. Test Equipment
  5. FT4310
  6. Instruction manual
Hioki FT4310 Instruction Manual

Hioki FT4310 Instruction Manual

Bypass diode tester
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the FT4310 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Hioki FT4310

Summary of Contents for Hioki FT4310

  • Page 3: 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 Battery Replacement ........22 Using Model L9788-10 Test Lead with Remote Switch (Red) ........24 How to Use the Carrying Case (Model C0206) ..........26 Measurement Pre-measurement Inspection .......27...
  • Page 4 Contents Negative Voltage Notification Function ..... 37 Ground Fault Detection ..........37 Making Measurements in BPD TEST Mode 38 Lock Function ............39 Measuring Bypass Diode .......... 40 ® Bluetooth Communication Function ..43 Installing the Smartphone Application Software GENNECT Cross ............44 Pairing the Application Software .......

  • Page 5: Introduction

    Introduction Introduction Thank you for purchasing the Hioki FT4310 Bypass Diode Tester. To obtain maximum performance from the instrument, please read this Instruction 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 6 Verifying Package Contents Options The following options are available for the instrument. Contact your authorized Hioki distributor or reseller when ordering. Maximum rated voltage and Product name maximum rated current Model L9788-92 Breaker Pin CAT III 600 V, 2 A...

  • Page 7: 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.
  • Page 8 Safety Information Indicates a potentially hazardous situation that may result CAUTION in minor or moderate injury to the operator or damage to the instrument or malfunction. Indicates prohibited actions. Indicates the action which must be performed. Additional information is presented below. (p.

  • Page 9: Screen Display

    Safety Information Symbols for various standards Indicates the Waste Electrical and Electronic Equipment Directive (WEEE Directive) in EU member states. Indicates that the product conforms to regulations set out by the EU Directive. ® Indicates that the product incorporates Bluetooth wireless technology.
  • Page 10 ® • Bluetooth is a registered trademark of Bluetooth SIG, Inc. (USA). The trademark is used by HIOKI E.E.CORPORATION under license. • Android , Google Play are registered trademarks of Google, Inc. • IOS is a registered trademark of Cisco in the U.S. and other countries.
  • Page 11 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 12: Operating Precautions

    Replace the test leads with those specified by our company. • 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.
  • Page 13 Operating Precautions WARNING • To prevent an electric shock, a short-circuit 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 14 Operating Precautions CAUTION Observe the following to prevent an electric shock, a short-circuit, or damage to the instrument. • Turn off any disconnector devices and separate from the power conditioner before starting the measurements for the solar battery panel. • Solar batteries always generate high voltages especially in day time.
  • Page 15 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 16 Operating Precautions Handling the Instrument CAUTION To avoid damage to the instrument, protect it from physical shock when transporting and handling it. Be especially careful to avoid physical shock from due to dropping it. Test leads CAUTION • Removable sleeves are attached to the metal pins at the end of the test leads.

  • Page 17: Overview

    Overview 1.1 Product Overview This is a measuring instrument to test faults of bypass diodes (BPD) incorporated in solar power generation systems*. Can be measured even in day time • Bypass diode condition can be measured without covering the solar panels. Easy measurements •...

  • Page 18: Names And Functions Of Parts

    Names and Functions of Parts 1.2 Names and Functions of Parts Front (p. 19, p. 22, p. 38) Display (p. 17) (p. 8) (p. 8) MEASURE key (p. 15) Measurement switch N(−) terminal Connect the black test lead. Control terminal Connect Model L9788-10 Test Lead with Remote Switch (Red).

  • Page 19: Measure Key

    Names and Functions of Parts MEASURE MEASURE states Press the right of Raise the key Retract the key the key Turn on comparison Description in display or enable Press the Release the this manual continuous MEASURE key. MEASURE key. measurement. Changing measurement mode (turning on the power) Setting the rotary switch in a position other than OFF turns on the power.
  • Page 20 Names and Functions of Parts Operation keys Press and hold Turn on the instrument Key name Press (1 second or more) while holding down Backlight On/Off Turns off the Cancel the auto LIGHT auto-backlight power save function function • In BPD TEST mode: •...
  • Page 21 Names and Functions of Parts Display Open-circuit voltage value (Voc mode, (p. 34)) or bypass route resistance Applied current value Short-circuit current value or comparison difference (p. 35) Open-circuit voltage value (BPD TEST mode) or reference value (REF, (p. 35)) Battery indicator (four levels) (p.
  • Page 22 Names and Functions of Parts ® Displays Bluetooth function state. (p. 43) ® • On: Bluetooth function On ® • Off: Bluetooth function Off ® • Flashes: Bluetooth communication active Appears while in self-check mode. Appears while in continuous measurement. (p. 15) (p. 35) Appears when the comparator function is enabled.
  • 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 the instrument. Note that the testing voltage is output when the MEASURE key of the instrument is pressed while the L9788-10 is connected.
  • Page 24 Names and Functions of Parts...

  • Page 25: Preparing For Measurement

    Preparing for Measurement Insert the batteries. (p. 22) Connect the test leads to the terminals. N(−) terminal P(+) terminal Connect the black Connect the red test test lead. lead.

  • Page 26: Battery Replacement

    If you have lost a screw or find that a screw is damaged, please contact your authorized Hioki distributor for a replacement. CAUTION Poor performance or damage from battery leakage could result.
  • Page 27 Battery Replacement • The battery indicator flashes when the remaining battery capacity is low. In this case, measurement is not possible. Replace the batteries. (p. 28) • Handle and dispose of batteries in accordance with local regulations. Set the rotary switch in OFF. Disconnect the test leads from the instrument.

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

    Using Model L9788-10 Test Lead with Remote Switch (Red) 2.2 Using Model L9788-10 Test Lead with Remote Switch (Red) Pre-measurement Inspection Set the rotary Fully insert the plug of L9788-10 into switch in OFF. terminal P(+) of the instrument. Set the rotary switch in SELF CHECK. Press the RELEASE key to cancel the lock function.
  • Page 29 When the tip pin (L9788-90) 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. Set the rotary switch in OFF and disconnect the L9788-10.

  • Page 30: How To Use The Carrying Case (Model C0206)

    How to Use the Carrying Case (Model C0206) Removing and attaching the test lead sleeves Safely store the removed sleeves so as not to lose them. (p. 12) Removing the sleeves Attaching the sleeves Gently hold the bottom of the Insert the metal pins of the test leads into sleeves and pull the sleeves off.

  • Page 31: Measurement

    3.1 Pre-measurement Inspection 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 test lead Is the white portion...
  • Page 32 Pre-measurement Inspection From the previous page Checking the remaining battery charge Is the battery level adequate? Flashes Set the rotary switch in SELF Replace the batteries. (p. 22) CHECK and confirm the battery indicator. appears Inspection complete Please read “Operating Precautions” (p. 8) before use.

  • Page 33: Auto Power Save (Power-Saving Function)

    Auto Power Save (Power-Saving Function) 3.2 Auto Power Save (Power-Saving Function) When the rotary switch is not set in the OFF position, the instrument changes to the auto power save state 15 minutes after the last operation or live wire warning indication.

  • Page 34: Auto Backlight-Off (Automatic Light-Off Function)

    Auto Backlight-off (Automatic Light-off Function) 3.3 Auto Backlight-off (Automatic Light-off Function) The backlight of the instrument will automatically turn off after approx. 3 minutes has passed since the last operation. The automatic light-off function can be canceled when working continuously in a dark location.

  • Page 35: Pass/Fail Judgment (Comparator)

    Pass/Fail Judgment (Comparator) Function 3.4 Pass/Fail Judgment (Comparator) Function This function compares the measured value with the preset value (= judgment reference value) and judges whether the result is PASS (good) or FAIL (defective). Comparator settings for each mode pass/fail judgment (comparator) will be saved, even if the rotary switch is set in OFF.

  • Page 36: Setting The Comparator Function

    Pass/Fail Judgment (Comparator) Function Setting the Comparator Function Set the rotary switch in the mode for which you wish to set the comparator function. In BPD TEST mode, press to cancel the lock function. (p. 39) Press COMP Flashes [COMP] flashes and a value set as judgment reference value at that moment is displayed.

  • Page 37: Measurement Preparation

    Measurement Preparation 3.5 Measurement Preparation Turn off the main switch of the connection box to be disconnected from the power conditioner. Turn off all the disconnector devices of the strings. Disconnect lightning arresters from the measuring circuit. Disconnection is not required for the figure (solar generator facility) shown below because a lightning arrester is not present at the string side of the disconnector device.

  • Page 38: Making Measurements In Voc Mode

    Making Measurements in Voc Mode 3.6 Making Measurements in Voc Mode Open-circuit voltage of a string can be measured. Checking the difference between strings allows determining short-circuit fault. WARNING During measurement, do not switch over to other measurement modes. Power Conditioner, Main switch N(−)

  • Page 39: Comparison Display Function

    Making Measurements in Voc Mode Comparison Display Function You can check the difference between the reference value and the measured value while measuring the open-circuit voltage of solar battery string. Raise the MEASURE key of the HOLD flashes instrument or press and hold the MEASURE key of the L9788-10.

  • Page 40: Auto-Hold

    Making Measurements in Voc Mode Auto-hold With the comparison display function, when the measured value stabilizes, a short beep is emitted and the measured value is automatically retained. When the measured value is 20 V or higher and stabilizes for approx.

  • Page 41: Negative Voltage Notification Function

    Making Measurements in Voc Mode Negative Voltage Notification Function You can check whether P(+) and N(−) are connected in reverse while measuring the open-circuit voltage of solar battery string. When the voltage is −1 V or lower, red and white of the backlight flash alternately.

  • Page 42: Making Measurements In Bpd Test Mode

    Making Measurements in BPD TEST Mode 3.7 Making Measurements in BPD TEST Mode To determine open fault and deterioration of bypass diodes connected to a solar panel, measure the bypass diode and bypass route resistance. WARNING Observe the following to prevent an electric shock, short-circuit, or damage to the instrument.

  • Page 43: Lock Function

    Making Measurements in BPD TEST Mode Lock Function This function is used to avoid applying a measuring signal to equipment. This function will prevent the test from starting even if the rotary switch is set in BPD TEST and the MEASURE key is pressed.

  • Page 44: Measuring Bypass Diode

    Making Measurements in BPD TEST Mode Measuring Bypass Diode CAUTION To avoid electrical accidents, disconnect the solar battery module from the commercial power circuit before measuring. Clusters with breakdown voltage 100 V or lower cannot be judged correctly. Release Release the MEASURE key.
  • Page 45 Making Measurements in BPD TEST Mode Press the MEASURE key. Starts a measurement. To make a continuous measurement, Release raise the MEASURE key. Check the judgment and displayed values. Press Release the MEASURE key with the test leads connected to the measurement object.
  • Page 46 Making Measurements in BPD TEST Mode After measurements are completed Reconnect the lightning arrester connection if disconnected. Turn on all the disconnector devices of the strings. Turn on the main switch of the connection box.

  • Page 47: Bluetooth ® Communication Function

    Bluetooth® Communication Function ® 3.8 Bluetooth Communication Function ® The instrument supports Bluetooth low energy. ® When the Bluetooth function is enabled, you can review measurement data and create measurement reports on mobile devices (iPhone, iPad, iPad mini, iPod Touch, and Android™ devices).

  • Page 48: Installing The Smartphone Application Software Gennect Cross

    For more information, see the attached “Precautions Concerning Use of Equipment that Emits Radio Waves” or go to our website. • The availability of the instrument is limited to certain countries. For more information, contact your authorized Hioki distributor or reseller. ®...

  • Page 49: Pairing The Application Software

    Bluetooth® Communication Function Pairing the Application Software The instrument is Instrument Home > Other automatically registered. Settings • When the application software is launched for the first time (before being paired with any instrument), the connection setup screen will be Returns to the displayed.

  • Page 50: 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 or 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 51: Specifications

    Specifications 4.1 General Specifications Operating Indoors, outdoors, Pollution Degree 2, altitude up to environment 2000 m (6562 ft.) Operating Temperature: −10°C (14°F) to 65°C (149°F) temperature and Humidity: humidity less than 40°C (104°F), 80% RH or less (no condensation) 40°C (104°F) or higher but less than 45°C (113°F), 60% RH or less (no condensation) 45°C (113°F) or higher but less than 50°C (122°F), 50% RH or less (no condensation)
  • Page 52 General Specifications Continuous When LR6 alkaline battery × 6 are used (at 23°C, as operating time a referential) Approx. 45 hours (Comparator, LCD backlight, (Voc) ® Bluetooth : Off) Approx. 18 hours (Comparator, LCD backlight, ® Bluetooth : On) Possible number LR6 Alkaline battery ×...

  • Page 53: Input/Output/Measurement Specifications

    Input/Output/Measurement Specifications 4.2 Input/Output/Measurement Specifications Standard Specifications Measurement function Abbreviation Measurement function Open-circuit voltage measurement BPD TEST Bypass diode measurement SELF CHECK Self-check Function configuration SELF CHECK/OFF/Voc/BPD TEST Input terminal P(+) terminal: Connected to positive terminal of PV string N(−) terminal: Connected to negative terminal of PV string Maximum input voltage...
  • Page 54 Input/Output/Measurement Specifications Comparison display Displays the difference from the measurement voltage with the auto-hold enabled for the first time or immediately after reset. Valid only in the auto-hold state. Displayed range: −100 V to 100 V Maximum count: 100 counts Overrange display: [>100 V] [<−100 V]...
  • Page 55 Input/Output/Measurement Specifications Duration of 10 ms or less shorting between terminals Output pulse Voltage: 100 V DC or less Pulse width: 5 ms or less Limiting current: Measured short-circuit current + 1 A or less Maximum: 13 A Judgment Detected peak current ≥ Measured short-circuit current method + additional current ×...
  • Page 56 1 year guaranteed period accuracy Guaranteed accuracy 1 year period from adjustment made by Hioki Temperature and humidity 23°C±5°C (73°F±9°F), for guaranteed accuracy 80% RH or less Power voltage range with 6.4 V to 10.35 V DC (One or accuracy guarantee...
  • Page 57 Input/Output/Measurement Specifications (2) Short-circuit current measurement Range (displayed 15.0 A (0.0 A to 15.0 A) range) Accuracy range 0.0 A to 15.0 A Accuracy ±3% rdg.±3 dgt. Ω Input impedance or lower Maximum count 150 counts (The short-circuit current display will flash if the value is greater than 13.0 A but less than or equal to 15.0 A.) Overrange display...

  • Page 58: Function Specifications

    Function Specifications 4.3 Function Specifications Key input Refer to “MEASURE key” (p. 15), “Operation keys” (p. 16), and “Model L9788-10 Test Lead with Remote Switch (Red)” (p.  1 9) Auto power save Automatically turns off the power 15 minutes±1 (APS) minutes after the last measurement (measurement voltage is 5 V or less for Voc mode) with the power on.
  • Page 59 Function Specifications Live circuit indicator • Voc mode, SELF CHECK +20 V DC or higher or −1 V DC or less: Flashes Other than the above: Off • BPD TEST mode MEASURE key is pressed: Lights up MEASURE key is released: +20 V DC or higher or −1 V DC or less: Flashes Other than the above: Off Backlight...
  • Page 60 Function Specifications Comparator • Voc Threshold value can be set in 1 V increments from 0 V to 20 V for the absolute value of Voc diff. Voc diff ≥ Threshold value: FAIL Voc diff < Threshold value: PASS • BPD TEST mode Ω...

  • Page 61: Interface Specifications

    Interface Specifications 4.4 Interface Specifications Interface ® Bluetooth 4.0LE ( Antenna power Maximum +0 dBm (1 mW) Communication distance 5 m (line of sight) Communication profile GATT (Generic Attribute Profile) Supported Android Android4.3 or later devices ® (Bluetooth low energy enabled devices) Supported iOS devices iOS10 or later ®...
  • Page 62 Factory Settings...

  • Page 63: 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 in accordance 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 64: 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 Measurements Is the function to prevent Release the lock function.

  • Page 65: Error Displays And Remedies

    Install the batteries in the installed properly? proper orientation. (p. 22) Error Displays and Remedies When an error is displayed on the LCD screen, repair is necessary. Contact your authorized Hioki distributor or reseller. Error Description Remedy and Reference indication...
  • Page 66 Troubleshooting Discharge capacitor life (Displayed once Repair is required. 800,000 cycles are reached.) ® Bluetooth is broken Repair is required. Verify that you have AC voltage input connected the instrument properly. Replace the batteries. Low battery voltage (p. 22) Ω or greater input during the self-check Bypass diode is open...

  • Page 67: Appx. 1 Measurement Principles

    Appx. Appx. 1 Measurement Principles Measurement Principles for Bypass Diodes with an Open Fault Measure a short-circuit current of a solar panel Apply current to a solar panel Applied current (I ) = Short-circuit current (I ) + 1 A current •...

  • Page 68: Measurement Principles For Bypass Diodes With A Short-Circuit Fault

    Measurement Principles Measurement Principles for Bypass Diodes with a Short-circuit Fault Measure an open-circuit voltage of a reference solar panel (= reference voltage) Measure an open-circuit voltage of another solar panel (= measurement object voltage) • If reference voltage (V ) = measurement object voltage (V the bypass diode is working correctly (OK).
  • Page 69 16-01 EN...

Table of Contents