Page 1 ST4200 ST4200-50 Instruction Manual PARTIAL DISCHARGE DETECTOR Check for the latest edition and other language versions. Read carefully before use. Keep for future reference. Safety Information p.12 Making Measurements p.122 ► ► Name and Function of Each Part p.18 Maintenance and Service p.249...
Page 2 5.3 Equipment Connection 5.4 Information 6 External Control EXT. I/O 6.1 Overview 6.2 External Control Functions 7 Communications Function 7.1 Interface Overview and Features 7.2 LAN Settings and Connection 7.3 Operating the Instrument With a Browser Installed in a Computer HIOKI ST4200B971-00...
Page 3 8.6 Initializing the Instrument (System Reset) 8.7 Disposal (Removing the lithium battery) 8.8 Open-source Software 8.9 Rack Mounting 9 Speciﬁcations 9.1 General Speciﬁcations 9.2 Measurement Speciﬁcations 9.3 Speciﬁcations of Functions 9.4 Speciﬁcations of the Options 10 Detection Principle 10.1 AC PD Detection Principle HIOKI ST4200B971-00...
Page 4 Introduction 1.1 Introduction Thank you for choosing Hioki's Partial Discharge Detector ST4200. Preserve this manual carefully and keep it handy to make full use of this instrument for a long time. The latest edition of the instruction manual The contents of this manual are subject to change, for example as a result of product improvements or changes to speciﬁcations.
Page 5 This manual contains a product overview, operating instructions, ST9210 Instruction function descriptions, and speciﬁcations of the ST9210. Manual Download this manual from Hioki’s website. https://www.hioki.com/global/support/download/ Target audience This manual has been written for use by individuals who use the product in question or who teach others to do so.
Page 6 When the instrument arrives, inspect it carefully to ensure that everything is in good condition and there is no damage. If the instrument seems to have been damaged or does not work as speciﬁed, contact your authorized Hioki distributor or reseller.
Page 7 1.3 Options (Sold Separately) The following options are available for the instrument. Use the product available as Hioki’s option only. To buy, contact your authorized Hioki distributor or reseller. The options are subject to change without prior notice. Visit our website (https://www.hioki.com) for updated information.
Page 8 Indicates the presence of a potential hazard. See the "Operation Precautions" and safety notes listed at the beginning of operating instructions in the instruction manual(s), and the accompanying document entitled Operating Precautions. Indicates the push-button switch that can turn the product on and oﬀ. HIOKI ST4200B971-00...
Page 9 Equipment (WEEE) in EU member nations. Dispose of the product in accordance with local regulations. Indicates that the product complies with standards imposed by EU directives. Indicates that the product complies with Korean regulations. Declarer: HIOKI KOREA CO., LTD. http://www.rra.go.kr/selform/HKO-ST4200-50 Notation of terms for partial discharge Notation Description Abbreviation for “partial discharge.”...
Page 10 On-screen user interface names are displayed in brackets Unless otherwise noted, the term “Windows” is used generically to refer to Windows Windows 7, Windows 8, Windows 10, and Windows 11. Unit representing pieces. Unit representing pulses per second. HIOKI ST4200B971-00...
Page 11 Unit representing one division on the temporal axis of a graph. Unit representing samples per second (S/s), the number of times per second the analog input signals are digitized by the instrument. Example: "20 MS/s" indicates that the signal is digitized 20 × 10 times per second. HIOKI ST4200B971-00...
Page 12 Protective gear WARNING The PD test performed using this instrument is measured on a live line. To prevent an electric shock, use appropriate protective insulation and adhere to applicable laws and regulations. HIOKI ST4200B971-00...
Page 13 Place the instrument with the bottom or rear side downwards. Leave at least 5 cm (2 inches) of space on every surface other than the underside to ensure that the air vents are not obstructed to keep the instrument’s temperature from rising. HIOKI ST4200B971-00...
Page 14 The instrument is an EN 61326 Class A product. When using in a home environment such as a residential area, it may interfere with the reception of radio and television broadcasts. In such cases, workers should implement appropriate measures. HIOKI ST4200B971-00...
Page 15 Store the packaging materials after unpacking. Use the packaging materials that came with instrument when transporting it. CAUTION To avoid damage to the instrument, protect it from physical shock when transporting and handling. Be especially careful to avoid physical shock due to dropping it. HIOKI ST4200B971-00...
Page 16 Overview 2.1 Product Overview This Partial Discharge Detector is equipped with the functionality to perform both AC PD measurements in conformance with IEC 60270 (2015) and IEC 60034-27-1 (2017). HIOKI ST4200B971-00...
Page 17 Provides analysis for both production line testing and research and development The instrument is equipped with a simple screen mode (function) suitable for use on a production line. The measurement system used at the research and development stage can be applied as is to production lines. HIOKI ST4200B971-00...
Page 18 2.3 Name and Function of Each Part Overall appearance HIOKI ST4200B971-00...
Page 19 Feet visibility of the screen. These feet are used for easier operation of the touch panel. For the latest information, check Hioki's website. This label is needed for administrative purposes. Do not Serial number remove this label. Inform your authorized Hioki distributor or reseller of this number if required.
Page 20 Transitions the displayed screen. SCREEN rotary knob Starts measurement. Lights up in green during START key a measurement. STOP key Stops the measurement. Supplying Power to the Power key Used to turn the instrument on and oﬀ. Instrument HIOKI ST4200B971-00...
Page 21 Enables to control the instrument by Connecting the External control inputting external signals, or output signals External Control terminals externally. Terminals Measurement signal Terminal used to input measurement Connecting input terminal signals from the SW2001 or the ST9210. Connection Cables HIOKI ST4200B971-00...
Page 22 Do not use the terminals for which N/A is displayed. This may result in damage to the instrument or connected equipment. Do not connect any equipment other than the SW2001 or the ST9210 to the measurement signal input terminal. This may result in damage to the instrument or connected equipment. HIOKI ST4200B971-00...
Page 23 2.4 Appearance Drawings Front HIOKI ST4200B971-00...
Page 24 Right side HIOKI ST4200B971-00...
Page 25 Left side HIOKI ST4200B971-00...
Page 26 Rear HIOKI ST4200B971-00...
Page 27 Bottom HIOKI ST4200B971-00...
Page 28 Handle HIOKI ST4200B971-00...
Page 29 For single measurements, high-voltage output and the measurement operation will stop automatically once measurement is complete. For repeat measurements (freely running), measurement will STOP continue until the key is pressed. HIOKI ST4200B971-00...
Page 30 This mode performs automatic PDIV and PDEV measurements in conformance with IEC standards. For AC PD measurements, output voltages will be consecutively increased and decreased to measure PDIV and PDEV. PDIV: Partial Discharge Inception Voltage PDEV: Partial Discharge Extinction Voltage HIOKI ST4200B971-00...
Page 31 PDIV value Ui is the voltage when the voltage increases and Qmax exceeds the set threshold value Qth PDEV value Ue is the voltage when the voltage decreases and Qmax is lower than the set threshold value Qth HIOKI ST4200B971-00...
Page 32 Press the rotary knob to change by increments of when the knob is rotated. Press the knob again to return the increment to [100]. When conﬁguring using the slider bar, the VALUE LED rotary knob will light up in green and become enabled for operation. HIOKI ST4200B971-00...
Page 33 No.]. Every time this rotary knob is pressed, the Measurement No. is set to the default value. When [Measurement No.] is displayed on the measurement screen, the SCREEN rotary knob is lit in red and its operation is enabled. HIOKI ST4200B971-00...
Page 34 Changing screens and settings Switching the setting screens Tap a tab to switch the setting screens. HIOKI ST4200B971-00...
Page 35 This is used when setting integer values. The following three setting methods are available: 1. Tapping the six buttons to increase and decrease the value above the slider bar. 2. Moving the slider bar knob by dragging it. 3. Turning the VALUE rotary knob. Example: When inputting a test voltage HIOKI ST4200B971-00...
Page 36 Inputting using a numeric keypad This is used when setting values with decimal points. Select a value by tapping on the numerical keypad. Example: When setting the upper limit current value HIOKI ST4200B971-00...
Page 37 Selecting an option from a list Select an option by tapping on the drop-down list box. Example: When selecting the measurement sensitivity HIOKI ST4200B971-00...
Page 38 Entering numerical values Select a value by tapping on the up and down keys for each number. Example: When selecting an IP address See: Equipment Connection HIOKI ST4200B971-00...
Page 39 The touch keyboard can be used to enter letters and numbers. Each time the square icon to the top right of the touch keyboard is tapped, the keyboard switches between ﬁxed and ﬂoating on the screen. See: Setting Measurement Conditions and Judgment Conditions HIOKI ST4200B971-00...
Page 40 Icon Description You can drag the keyboard. You cannot drag the keyboard. HIOKI ST4200B971-00...
Page 41 Icon Description Each tap switches the keyboard switches between ﬁxed and ﬂoating on the screen. Closes the keyboard. HIOKI ST4200B971-00...
Page 42 External noise may cause the mouse to malfunction. Keep the mouse and mouse cable as far away as possible from sources of noise. Use the mouse on an insulated table. Some mouses commercially available are susceptible to noise and using such a mouse on a metal table may cause the instrument to malfunction. HIOKI ST4200B971-00...
Page 43 Slide the KEY LOCK switch until it clicks. Depending on the key lock engaged, the following icons are displayed on the bottom right of the screen. Icon Description Displayed when the ALL key lock is engaged. Displayed when the TOUCH PANEL key lock is engaged. HIOKI ST4200B971-00...
Page 44 Help function Item Explanation Function Tapping on a measurement parameter or setting parameter on the setting screen displays a balloon explaining that parameter. HIOKI ST4200B971-00...
Page 45 Instruction Manual Display Function Use this function to display an HTML ﬁle of the instruction manual. [Func] > [Help] > [Instruction Manual]. HIOKI ST4200B971-00...
Page 46 Copies the ﬁle to the speciﬁed folder. Or, if the selected item is a folder, it copies the Copy entire folder to the speciﬁed folder. Create Creates a new folder. Folder Rename Renames a ﬁle or folder. Delete Deletes a ﬁle or folder. Initialize Formats the selected media. HIOKI ST4200B971-00...
Page 47 Opening Explorer [Func] > [File Explorer]. HIOKI ST4200B971-00...
Page 48 If calibration fails, increase the charge amount for calibration and execute calibration again. 4. Once calibration is complete, tap [Close] to close the calibration screen and return to the measurement screen. 5. Output from the calibration pulse generator stops. Disconnect the generator from the object under measurement. See: Calibration HIOKI ST4200B971-00...
Page 49 High voltage is automatically output from the Hipot tester and AC PD measurement starts. In the case of a single measurement, when measurement is complete, the Hipot tester output and measurement by the instrument stops. For repeat measurements (freely running), measurement will continue until the STOP key is pressed. HIOKI ST4200B971-00...
Page 50 You cannot use this function while other functions, such as calibration or the band pass ﬁlter, are being used. First close the screen of the function being used, and then use this function. HIOKI ST4200B971-00...
Page 51 Select an item to automatically perform the analysis. Analysis Description Item Repeatedly occurring maximum PD intensity – Elapsed measurement time characteristic Qmax-t HIOKI ST4200B971-00...
Page 52 Analysis Description Item PD charge peak – Elapsed measurement time characteristic Qpk-t Number of PD pulses generated – Elapsed measurement time characteristic HIOKI ST4200B971-00...
Page 53 Item Integrated value characteristic of number of PD pulses generated per phase Σm-φ Apparent charge characteristic per phase The vertical axis is created with a range of -Sc to +Sc based on the PD axis scale Sc. q-φ HIOKI ST4200B971-00...
Page 54 Apparent charge – Phase – Number of PD pulses generated characteristic (PRPD characteristic) The vertical axis of the PRPD graph (PD charge) is created with a range of -Sc to +Sc based on the PD axis scale Sc. The resolution of the vertical axis is 1/100th of Sc. q-φ-m HIOKI ST4200B971-00...
Page 55 Select an item to automatically perform the analysis. Analysis Description Item Repeatedly occurring maximum PD intensity – Elapsed measurement time characteristic Qmax-t HIOKI ST4200B971-00...
Page 56 Analysis Description Item PD charge peak – Elapsed measurement time characteristic Qpk-t Number of PD pulses generated – Elapsed measurement time characteristic HIOKI ST4200B971-00...
Page 57 Analysis Description Item Number of PD pulses generated – Applied voltage RMS value characteristic m-Urms PD charge peak – Applied voltage RMS value characteristic Qpk-Urms HIOKI ST4200B971-00...
Page 58 The selected background color will also apply to other analysis items and be saved in the table settings. Image Save Function [Save Image] [Save in] [Folder Name] [Data Save to save the graph as an image. Set the from the Settings] PD]. screen of HIOKI ST4200B971-00...
Page 59 The password function restricts the functions that can be used and the range of settings that can be changed. The passcode can also be set. Changing the level [Func] > [Password Function] > [Level [Level 1] [Level The password function is changed to the speciﬁed level. HIOKI ST4200B971-00...
Page 60 If the passcode is set: Enter the passcode on the numeric keypad and tap [OK]. The entered passcode appears as on the screen. HIOKI ST4200B971-00...
Page 61 The passcode required when changing the level can be set. Settable range: 1 to 4 digits Default passcode: 4200 When the passcode is set, it must be entered when changing the level. Make sure you do not forget the passcode. [Func] > [Password Function] > [Passcode Setting]. HIOKI ST4200B971-00...
Page 62 Enter the old passcode on the numeric keypad and tap [OK]. The entered passcode appears as on the screen. Enter the new passcode on the numeric keypad and tap [OK]. The entered passcode appears as on the screen. HIOKI ST4200B971-00...
Page 63 There are three levels. Use the appropriate level for the intended usage. Category Function Level 0 Level 1 Level 2 Normal mode Measurement mode PDIV mode Functions Load CSV ﬁle Measurement settings Judgment settings Settings Display conﬁguration Save data settings HIOKI ST4200B971-00...
Page 64 Noise check Analysis Zero adjustment Vernier Table System System settings Equipment connection Self-check Information (update) : Can be used, -: Cannot be used *1: Only select, save, and load can be used. *2: Only save can be used. HIOKI ST4200B971-00...
Page 65 Replace the connection cords with those speciﬁed by Hioki. Check if there is any damage to the instrument occurred during storage or shipping and verify that it operates normally before using the instrument. If you ﬁnd any damage, contact your authorized Hioki distributor or reseller. HIOKI ST4200B971-00...
Page 66 Doing so could result in an electric shock, burn, or other hazards. WARNING Use only the connection cables speciﬁed by Hioki when using the instrument. Using a non- speciﬁed cable may result in unsafe measurements. HIOKI ST4200B971-00...
Page 67 BNC connector or the contact. IMPORTANT Use only the connection cables speciﬁed by Hioki when using the instrument. Using a non-speciﬁed cable may also result in incorrect measurements due to poor connection or other reasons. HIOKI ST4200B971-00...
Page 68 AC VOLTAGE AC VOLTAGE Connect the terminal on the right side of the instrument to the terminal on the SW2001 using the L9218. Connect the plastic connector (black) to the ST4200 and the metal connector to the SW2001. HIOKI ST4200B971-00...
Page 69 3153 using the L2270. For further details, see "3.3. Connecting Connection Cables" in the SW2001 instruction manual. SW2001 Instruction Manual IMPORTANT If using another company’s AC power supply, modify cables to suit the shape of the terminals. HIOKI ST4200B971-00...
Page 70 Connect the output terminal on the front of the SW2001 to the measurement points on the object under measurement using Unterminated Lead Cable L2265. For further details, see "3.2. Connecting Measurement Cables" in the SW2001 instruction manual. SW2001 Instruction Manual HIOKI ST4200B971-00...
Page 71 AC VOLTAGE AC VOLTAGE Connect the terminal on the right side of the instrument to the terminal on the ST9210 using the L9218. Connect the plastic connector (black) to the ST4200 and the metal connector to the ST9210. HIOKI ST4200B971-00...
Page 72 Connect the output terminal on the front of the ST9210 to the measurement points on the object under measurement using Unterminated Lead Cable L2265 or L2266. For further details, see "2.3. Connecting Measurement Cables" in the ST9210 instruction manual. IMPORTANT The ST9210 supports only AC PD measurements. HIOKI ST4200B971-00...
Page 73 Be careful to avoid exceeding the ratings of the external control terminals. The ground is shared between the instrument and the external control terminals. Isolate the devices and systems to be connected to the external control terminals from one another, as needed. HIOKI ST4200B971-00...
Page 74 Acceptable wire Stranded wire: 0.08 mm to 0.32 mm in diameter (AWG28 to AWG22) Strand diameter 0.12 mm in diameter or more (per wire) Stripped length 9 mm to 10 mm Button pressing tool Flat-blade screwdriver (tip width: 2.6 mm) HIOKI ST4200B971-00...
Page 75 Depress a button of the external control terminals with a ﬂat-blade screwdriver. Insert the wire into the wire connection hole while depressing the button. Release the button. The wire is secured. Terminal block See: Pin Layout of External Control Terminals HIOKI ST4200B971-00...
Page 76 Use a LAN cable with a length of 3 m or less. Using a cable longer than 3 m may cause malfunctions due to the eﬀects of noise. The following two ways are available: (1) Connecting the instrument to the existing network HIOKI ST4200B971-00...
Page 77 Communication between the instrument and computer may not be possible due to noise at the work site. This may be due to the communication cable. Change to a CAT7 LAN cable for the LAN cable between the instrument and LAN hub. HIOKI ST4200B971-00...
Page 78 SD memory card or USB ﬂash drive is inserted, the instrument may not start up depending on the SD memory card or USB ﬂash drive. If an SD memory card or USB ﬂash drive not manufactured by Hioki is used, the instrument may not recognize the storage device.
Page 79 SSD may be lost. Be sure to back up the data if the instrument is to be left powered oﬀ for a long time. Proper operation of the instrument is only guaranteed when using Hioki optional SD Memory Cards and USB Drives. Proper operation is not guaranteed with other recording media.
Page 80 You have to conﬁgure the SD memory card setting on the instrument to use SD memory cards. How to insert a USB ﬂash drive Orient the face with triangle marked of the SD memory card toward the front of the instrument. Fully insert the SD memory card. HIOKI ST4200B971-00...
Page 81 You have to conﬁgure the USB ﬂash drive setting on the instrument to use USB ﬂash drives. Before handling a USB ﬂash drive, eliminate any static on your body. How to insert a USB ﬂash drive Align the USB ﬂash drive with the connector, and fully insert it. HIOKI ST4200B971-00...
Page 82 Internal drive The internal drive is factory-formatted. SSD Unit U8332 (capacity: 256 GB*, option available only when ordered with the instrument) *: Once the drive has been formatted, the actual capacity available decreases. You cannot remove the internal drive. HIOKI ST4200B971-00...
Page 83 Message Response This device can now be safely removed from Remove the storage device. the ST4200. Check whether the storage device is being This device is currently in use. accessed. Be sure to use the remove button to remove any storage device. Do not use Windows Explorer or an icon on the Windows taskbar to remove the storage device.
Page 84 Be sure to use the instrument with the cover closed. Before handling a USB ﬂash drive, eliminate any static on your body. Extend the handle. Loosen the cover screw until its head is completely removed from the cover. Lift the front of the cover. HIOKI ST4200B971-00...
Page 85 Supply power to the instrument in combination with an uninterruptible power supply (UPS) if instantaneous power interruptions occur frequently. If the power to the ST4200 goes oﬀ during the operation, the built-in system disc will be damaged.
Page 86 When the key lock is engaged, hold down on the power key to turn the power oﬀ. After the instrument has been turned on again, it loads the settings conﬁgured before turned oﬀ. HIOKI ST4200B971-00...
Page 87 This returns you to the measurement screen. IMPORTANT The instrument regulates the date and time internally. Ensure the date and time are set according to the method above. If the date and time are set any other way, the settings will not be applied. HIOKI ST4200B971-00...
Page 88 On the measurement screen, tap [Zero Adjust]. The Zero Adjust pop-up window will appear. Tap [Execute]. [Success] Zero-adjustment will be performed automatically. Once zero-adjustment is complete, the message will be displayed. Tap [Close]. The Zero Adjust pop-up window will close. HIOKI ST4200B971-00...
Page 89 The zero position may drift. Drift A phenomenon where a shift in the operating point of an operational ampliﬁer causes a change in output. Drift can result from a change in temperature and component aging over a period of use. HIOKI ST4200B971-00...
Page 90 The electric charge calibration value diﬀers depending on the band pass ﬁlter settings. When the band pass ﬁlter settings are changed, review the electric charge calibration. Prepare a calibration pulse generator. We recommend the following calibration pulse generators. Name of manufacturer Model Fujikura Dia Cable, Ltd. D-208 Nihon Keisokuki Seizosho Co.,Ltd NPG-3 HIOKI ST4200B971-00...
Page 91 Prepare for AC PD measurement. See: Preparing for AC PD Measurement (Connect the output terminal and GND terminal of the calibration pulse generator to the part of the object under measurement that will be measured.) Connection diagram for the SW2001 HIOKI ST4200B971-00...
Page 92 Connection diagram for the ST9210 HIOKI ST4200B971-00...
Page 93 If this mode is OFF when measurement is started in step 7, high voltage is generated from the withstand voltage tester and this may damage the calibration pulse generator. Input the High Cutoﬀ Frequency into [fH] and the Low Cutoﬀ Frequency into [fL]. Tap [OK]. The band pass ﬁlter setting screen closes. HIOKI ST4200B971-00...
Page 94 Find the settings at which the S/N ratio is largest. The narrower the passband, the lower the PD pulse measurement sensitivity. Choose a cutoﬀ frequency at which the S/N ratio is large and the passband is as wide as possible. Turn [BPF Setting Mode] to ON. HIOKI ST4200B971-00...
Page 95 Choose the calibration pulse charge to be used for conﬁguration. The largest value in the charge range to be measured is recommended. Using the calibration pulse generator, conﬁgure the pulse charge [pC] to be generated. [AC PD] > [Calibration]. The Calibration screen will be displayed. HIOKI ST4200B971-00...
Page 96 Depending on the results of the calibration, the following icons are displayed on the bottom right of the screen. Icon Description Displayed when calibration is not executed. Displayed when calibration is successful. Displayed when calibration fails. Stop the calibration pulse generator. HIOKI ST4200B971-00...
Page 97 Review the warning message, and then tap [OK]. The calibration screen closes. CAUTION Start AC PD measurement after detaching the calibration pulse generator. Failure to do so may damage the calibration pulse generator. HIOKI ST4200B971-00...
Page 98 RMS value (Urms) in Value]. Tap [Execute]. The value of [Measurement Value]conforms to that of [Setting value] and the correction ratio is displayed. [Execute] [Measurement Value] However, is disabled if the value of is 0 V. Tap [Close]. HIOKI ST4200B971-00...
Page 99 Resetting vernier Tap [Vernier]. The vernier pop-up window opens. Tap [Reset]. The values are reset to before compensation. Tap [Close]. HIOKI ST4200B971-00...
Page 100 Hipot tester (RMS value) depending on the Hipot tester. Voltage Upper The upper limit that can be set Ulimit 200 to 5000 5000 Limit for the applied voltage. HIOKI ST4200B971-00 1 0 0...
Page 101 Band pass ﬁlter low cutoﬀ 30 to 900 Frequency frequency PD Polarity Reversal Setting This function sets the PD Polarity Reversal. Tapping [OFF] changes it to [ON], and the polarity of the PD to be measured will be reversed. HIOKI ST4200B971-00 1 0 1...
Page 102 ACPD Pulse Repetition Rate 0 to 99999 Positive Pole ACPD Pulse Count 0 to 9999 Negative Pole ACPD Pulse Count 0 to 9999 -999999 to Discharge Power 999999 Quadratic Rate C /s 0 to 999999 HIOKI ST4200B971-00 1 0 2...
Page 103 Conﬁgure the display conﬁguration. The screen is separated into four parts and the following content can be displayed. However, the same content cannot be displayed more than twice, and all of the content cannot be set as not to be displayed. HIOKI ST4200B971-00 1 0 3...
Page 104 (Maximum PD charge exceeding the occurrence frequency set for the evaluation rate Er) Number of PD Pulses Exceeding The Threshold Value PD Pulse Repetition Rate Positive Pole PD Pulse Count Negative Pole PD Pulse Count Discharge Power Quadratic Rate Average Discharge Current HIOKI ST4200B971-00 1 0 4...
Page 105 Voltage applied to the object under measurement from the Hipot Applied voltage tester (RMS value) Voltage frequency applied to the object under measurement from Voltage Frequency the Hipot tester Sampling Time Sampling time width for primary data when executing PD Tref Width calculation HIOKI ST4200B971-00 1 0 5...
Page 106 Band pass ﬁlter low cutoﬀ frequency Frequency High Cutoﬀ Band pass ﬁlter high cutoﬀ frequency Frequency The Calibration rate for converting the measured AC PD peak value Calibration Rate to charge. Calibration is required prior to measurement. HIOKI ST4200B971-00 1 0 6...
Page 107 Data Series If the check box is selected, measurement data is included in the contents of the storage ﬁle. Some of the setting values, all measurement results, and each judgment result are saved as CSV ﬁles. HIOKI ST4200B971-00 1 0 7...
Page 108 For example, the name of the ﬁle to which a data series is saved is [SER_DATA_serial number] and the name of the ﬁle to which a realtime waveform image is saved is [REA_DATA_serial number]. The ﬁle name is automatically allocated a serial number. HIOKI ST4200B971-00 1 0 8...
Page 109 Settings]. An explanation of the items included under each tab follow. Operation settings Parameter Default Symbol Content/description Unit Setting range name value Voltage frequency applied to Voltage the object under measurement 50, 60 frequency from the Hipot tester HIOKI ST4200B971-00 1 0 9...
Page 110 Default Symbol Content/description Unit Setting range name value 0 to 100 Cannot be set for the Hioki 3153. (ﬁxed at Starting voltage for the test in Starting Voltage PDIV mode Kikusui Electronics Hipot Tester 1 to (200 to 5000) Kikusui...
Page 111 Time from starting voltage to Ramp Up Time 0.1 to 99.9 maximum test voltage value Maximum 0.1 to 99.9 Voltage Holding The Hioki 3153 Time is 0.3 to 99.9 Ramp Down Time from maximum test 0.1 to 99.9 Time voltage value to 0 V High Cutoﬀ...
Page 112 ACPD Pulse Repetition Rate 0 to 999999 PD Inception Voltage 0 to 9999 PD Extinction Voltage 0 to 9999 Positive Pole ACPD Pulse Count 0 to 9999 Negative Pole ACPD Pulse Count 0 to 9999 HIOKI ST4200B971-00 1 1 2...
Page 113 The measurement is stopped when Ue is recorded while lowering the voltage. Even if PD stops occurring once, PD may occur when the measurement is continued. If Ue is set for the stop condition, the measurement is stopped when PD stops occurring once. HIOKI ST4200B971-00 1 1 3...
Page 114 Conﬁgure the display conﬁguration. The screen is separated into four parts and the following content can be displayed. However, the same content cannot be displayed more than twice, and all of the content cannot be set as not to be displayed. HIOKI ST4200B971-00 1 1 4...
Page 115 (Maximum PD charge exceeding the occurrence frequency set for the evaluation rate Er) Number of PD Pulses Exceeding The Threshold Value PD Pulse Repetition Rate Positive Pole PD Pulse Count Negative Pole PD Pulse Count Discharge Power HIOKI ST4200B971-00 1 1 5...
Page 116 (Maximum PD charge exceeding the occurrence frequency set for the evaluation rate Er) Discharge Power Quadratic Rate Average Discharge Current Positive Pole PD Pulse Count Negative Pole PD Pulse Count PD Inception Voltage PD Extinction Voltage AC PD Threshold Value HIOKI ST4200B971-00 1 1 6...
Page 117 Maximum Voltage Holding Time Ramp Down Time Time from maximum test voltage value to 0 V Calibration Rate for converting the measured AC PD peak value Calibration Rate to charge. Calibration is required prior to measurement. HIOKI ST4200B971-00 1 1 7...
Page 118 Data Series If the check box is selected, measurement data is included in the contents of the storage ﬁle. Some of the setting values, all measurement results, and each judgment result are saved as CSV ﬁles. HIOKI ST4200B971-00 1 1 8...
Page 119 ﬁle to which a real-time waveform image is saved is [REA_DATA_serial number], and the name of the ﬁle to which an Q=f(U) graph image is saved is [QFU_DATA_serial number]. The ﬁle name is automatically allocated a serial number. HIOKI ST4200B971-00 1 1 9...
Page 120 If PD does not occur in the object under measurement or if you do not want to apply much of a load to the object under measurement, lower the maximum applied voltage Umax, measure just the noise, and then decide on a value larger than the noise for the threshold value. HIOKI ST4200B971-00 1 2 0...
Page 121 Turn OFF the noise level check function before you set threshold value Qth. A judgment is not made when taking a measurement during the noise level check. The noise level check cannot be performed when the BPF setting mode is ON. HIOKI ST4200B971-00 1 2 1...
Page 122 This mode automatically increases and decreases the test voltage to ﬁnd the PD inception voltage and PD extinction voltage. The following measurement results can be obtained. With AC PD measurement: PD Inception Voltage (Ui) PD Extinction Voltage (Ue) HIOKI ST4200B971-00 1 2 2...
Page 123 Before starting measurement, check that no one is touching the connection cables or the object under measurement, and that the object under measurement and its surroundings are insulated. Once measurement is started, the AC power supply (insulation/withstand voltage tester) will automatically output high voltage, which may cause a shock. HIOKI ST4200B971-00 1 2 3...
Page 124 Navigate to the measurement screen. [Normal Mode] [AC PD] > to navigate to the measurement screen for normal mode AC DC measurement. HIOKI ST4200B971-00 1 2 4...
Page 125 Sampling is performed for the Single measurement. time period speciﬁed in [Tref]. Measurement is triggered repeatedly from when the Repeat START STOP key is pressed to when the key is pressed. HIOKI ST4200B971-00 1 2 5...
Page 126 STOP key is pressed. When ﬁnished measurement make sure to press the STOP key. The voltage value can be compensated for using the vernier function. See: Executing Vernier HIOKI ST4200B971-00 1 2 6...
Page 127 Before starting measurement, check that no one is touching the connection cables or the object under measurement, and that the object under measurement and its surroundings are insulated. Once measurement is started, the AC power supply (insulation/withstand voltage tester) will automatically output high voltage, which may cause a shock. HIOKI ST4200B971-00 1 2 7...
Page 128 PDIV mode AC DC measurement. Perform measurement. Press the START key. Voltage will automatically be output to the object under measurement from AC power insulation withstand voltage tester and AC PD measurement will begin. HIOKI ST4200B971-00 1 2 8...
Page 129 Therefore, to try conditions diﬀerent than previous measurement conditions while also saving current measurement conditions, we recommend changing the current table for the instrument to a separate newly created table before changing the settings. HIOKI ST4200B971-00 1 2 9...
Page 130 Table function setting method [System Settings] > [Table]. Each Part and Function of the Table Setting Screen Current Table No., Table Name The number and name of the current table are displayed. HIOKI ST4200B971-00 1 3 0...
Page 131 Tap on any of the rows to change the table in that row to the current table. Tap on any of the rows to highlight the table in that row in white, which allows you to select, delete, initialize, rename, copy, or paste that table. HIOKI ST4200B971-00 1 3 1...
Page 132 The table name can be up to 40 characters. Copy Contents of the highlighted table are copied to the buﬀer. Paste Table content copied to the buﬀer using [Copy] is pasted to the highlighted table. HIOKI ST4200B971-00 1 3 2...
Page 133 If the ﬁle extension is TB1, the measurement conditions saved to the ﬁle are loaded into the current table. To load measurement conditions into a diﬀerent table, ﬁrst change the current table. If the ﬁle extension is TBL, the measurement conditions saved to the ﬁle are loaded into all tables. HIOKI ST4200B971-00 1 3 3...
Page 134 [OFF] and preparing an external UPS. When changing settings, the instrument shuts down. Setting Value Description The system is protected against an unexpected shutdown. The system is not protected against an unexpected shutdown. HIOKI ST4200B971-00 1 3 4...
Page 135 The following screens can be selected as shortcut destinations. Normal Mode - AC PD PDIV Mode - AC PD System Settings - Equipment Connection System Settings - System System Settings - Table HIOKI ST4200B971-00 1 3 5...
Page 136 Set the system date and time for the instrument. Tap on the box and select the date and time then tap on [Set] to apply the selected date and time. Initialization Restores instrument settings to factory settings. See: List of Initial Settings HIOKI ST4200B971-00 1 3 6...
Page 137 Do not use the automatic startup function. Use the automatic startup function. When power is supplied to the instrument, Windows will start automatically and be ready to take measurements. The power key on the instrument does not need to be used. HIOKI ST4200B971-00 1 3 7...
Page 138 When it is not necessary to link with and control the instrument, set the communication settings for each measuring instrument to [NONE]. When communication settings are set correctly, AC power and high voltage multiplexer will operate automatically according to operation commands from the instrument. HIOKI ST4200B971-00 1 3 8...
Page 139 The instrument and controller are connected via LAN. Conﬁgure the IP address for the instrument LAN port, as well as the connecting port. Conﬁgure the LAN settings in accordance with the network connected to the instrument. HIOKI ST4200B971-00 1 3 9...
Page 140 AC power supply control equipment and the communication interfaces are as follows. Controller Communication Interface Automatic Hipot Tester 3153 TOS5200 Series, TOS5300 Series Hipot Testers COM, VISA TOS9300 Series Hipot Tester LAN, COM, VISA HIOKI ST4200B971-00 1 4 0...
Page 141 The instrument and high voltage multiplexer are connected via LAN or USB. When connected using USB, select COM. Conﬁgure the communication settings for the instrument according to the communication settings for the high voltage multiplexer. HIOKI ST4200B971-00 1 4 1...
Page 142 5.4 Information Displays system information for the instrument. It is also possible to upgrade the ﬁrmware version. [System Settings] [Information] > to open the Information screen. HIOKI ST4200B971-00 1 4 2...
Page 143 The procedure for ﬁrmware updates is as follows. Prepare a USB ﬂash drive. Use for saving and loading the update ﬁle. Download the update ﬁle. The latest version can be downloaded from Hioki’s website. Hioki Website Software Download Page HIOKI ST4200B971-00 1 4 3...
Page 144 ﬂash drive identiﬁed as the F drive. Back up the settings. The instrument settings may initialize all settings after the update. Back up the settings as required. Refer to the update ﬁle for the back-up method. HIOKI ST4200B971-00 1 4 4...
Page 145 The instrument has more than one USB connector. Any can be used. When updating ﬁrmware do not connect a USB device to a USB connector other than the USB ﬂash drive used for the update. The update will not be executed properly. HIOKI ST4200B971-00 1 4 5...
Page 146 Start the update. [System Settings] [Information] [Update] > and then tap on the system information screen. [OK] A dialog box will appear conﬁrming that you want to execute the update.Tap to start the update. HIOKI ST4200B971-00 1 4 6...
Page 147 After the power automatically switches oﬀ, turn the power ON again. While the update proceeds, the instrument shuts down after the next screen appears. With the USB ﬂash drive inserted, turn the power ON. When the instrument starts up, update processing proceeds automatically. HIOKI ST4200B971-00 1 4 7...
Page 148 When the update screens are displayed successively, wait until this is ﬁnished. When the measurement screen is displayed, execute the update again. If any other screen is displayed, contact your authorized Hioki distributor or reseller. HIOKI ST4200B971-00 1 4 8...
Page 149 Signals inputted into the external control terminals operate the instrument even when the key lock function is enabled. For further details on how to connect to external control terminals, refer to "Connecting the External Control Terminals" in "Preparing for Measurement". See: Connecting the External Control Terminals HIOKI ST4200B971-00 1 4 9...
Page 150 The electrical characteristics are as follows. Item Description Working voltage range High level: 2.5 V to 10 V, Low level: 0 V to 0.8 V Pulse width High-level period: 50 ms or more Pulse width 200 ms or more Maximum input voltage 10 V DC HIOKI ST4200B971-00 1 5 0...
Page 151 A signal is output according to the state of the instrument. The electrical characteristics are as follows. Item Description Output signal Open-drain output (with voltage output) active-low High level: 4.0 V\ to 5.0 V Output voltage range Low level: 0 V\ to 0.5 V Pulse width 200 ms or more Maximum input voltage 50 V DC, 50 mA, 200 mW HIOKI ST4200B971-00 1 5 1...
Page 152 This instrument is equipped with Ethernet 100BASE-TX as an interface. The instrument can be controlled from a PC by connecting to a network with a LAN cable supporting 10BASE-T or 100BASE-TX. The following two connection methods are available: HIOKI ST4200B971-00 1 5 2...
Page 153 When forming a new network with the instrument and a single computer (When using a local network not connected externally) The following addresses are recommended in cases where there is no administrator or cases where discretion is given for settings. HIOKI ST4200B971-00 1 5 3...
Page 154 Example setting: Equipment IP Address Subnet mask Gateway 192.168.0.1 255.255.255.0 ST4200 192.168.0.2 255.255.255.0 First device ST4200 192.168.0.3 255.255.255.0 Second device Append consecutive numbers to the end. 255.255.255.0 How to conﬁgure [System Settings] > [Equipment Connection] Tap [LAN]. The instrument LAN settings window opens.
Page 155 Set the IP address to [0.0.0.0]. Specify the TCP/IP port number to be used for connection for Port communication commands. You can set the port number in the range of 1002 to 49002. Tap [OK]. HIOKI ST4200B971-00 1 5 5...
Page 156 Connecting your computer to the instrument with a web browser When the IP address of the instrument is “192.168.0.3” [Username] [Password] With authorization, enter your username and password in the ﬁelds on the main screen to log in. HIOKI ST4200B971-00 1 5 6...
Page 157 The screen switches to the remote operation screen, displaying the instrument's screen on the browser. The operation panel buttons correspond to the buttons on the instrument. Clicking the screen with a mouse (the same as tapping the screen on the instrument) allows you to operate the instrument remotely. HIOKI ST4200B971-00 1 5 7...
Page 158 Choose a screen update speed from the [Update Speed] drop-down list. To save a screenshot, click [Screen Copy]. HIOKI ST4200B971-00 1 5 8...
Page 159 Starting/Stopping measurement You can start and stop measurement. Click [Start/Stop] on the menu. [Measurement Start and Stop] screen appears. HIOKI ST4200B971-00 1 5 9...
Page 160 Choose an action. START Starts a measurement. STOP Stops the measurement. No post-measurement processes such as numerical calculations and automatic saving are performed. HIOKI ST4200B971-00 1 6 0...
Page 161 The time of the clock on your computer can be set by that in the instrument. You cannot set the clock during measurement. Click [Time Synchronization] on the menu. [Synchronization] screen appears, and the time of the clock on the computer and the ST4200 (instrument) appear. HIOKI ST4200B971-00 1 6 1...
Page 162 Click [SET]. The time of the clock on the computer is set by that in the ST4200 (instrument). However, an error of one second may occur. HIOKI ST4200B971-00 1 6 2...
Page 163 Program messages can be divided into command messages and query messages. Command messages Commands for controlling instruments such as for conﬁguring and resetting instruments Format [Header part] ␣ [Data part] Example: Command to set the AC PD applied voltage :ACPD:VOLTage 1000 HIOKI ST4200B971-00 1 6 3...
Page 164 Expression in this document :ACPD:THRESH:VALUE OK (long form) :ACPD:THRE:VALU OK (short form) :ACPD:THRES:VALUE Causes a command error. :ACPD:THRE:VAL Causes a command error. Response messages from the instrument are returned in the long form in upper case. HIOKI ST4200B971-00 1 6 4...
Page 165 The instrument accepts the following as message terminators(delimiter). LF, CR+LF The terminator for response messages is ﬁxed as CR+LF. Separators Command program header Multiple messages can be written on a single line by connecting them with a semicolon (;). HIOKI ST4200B971-00 1 6 5...
Page 166 Text data is accepted in both upper case and lower case, but responses from the instrument are always returned in upper case. There is a long form and a short form in the same way as command syntax, and both are accepted. Example: :PDMOde NORMal HIOKI ST4200B971-00 1 6 6...
Page 167 The instrument’s buﬀer size is 4096 bytes. Messages received are input to this buﬀer and executed in sequence. When there is no free buﬀer space, operations are suspended until the space can be used. However, they are executed when an :ABORT command is received. HIOKI ST4200B971-00 1 6 7...
Page 168 ERR bit is not cleared when a instrument anomaly error occurs. Each bit of the status byte is a summary (logical sum) of the event registry corresponding to that bit. Bit number Bit name Description of function Bit 7 Not used HIOKI ST4200B971-00 1 6 8...
Page 169 When the unit recovers from a power ﬁle since this register was last read. Becomes 1 when the power is turned ON. Bit 6 Not used Command error Bit 5 There is an error with the command received. Syntax error, meaning error HIOKI ST4200B971-00 1 6 9...
Page 170 When the *CLS command is received When the *ESR0? query is read 3. When the power is turned on again Bit number Description of function Bit 7 Reserved Bit 6 The judgment is FAIL Bit 5 Reserved Bit 4 Reserved HIOKI ST4200B971-00 1 7 0...
Page 171 Use the following commands for reading the standard event status register, and conﬁguring and reading the standard event status enable register. Function Command Reading of the Event Status Register 0 :ESR0? :ESE0 Event Status Enable Register 0 settings :ESE0? Reading of the Event Status Enable Register 0 HIOKI ST4200B971-00 1 7 1...
Page 172 Clear status byte register and related queues (except output queue) *CLS Syntax Command *CLS Details The Status Byte Register bits corresponding to the event status registers are also cleared. The Status Byte Register is also cleared. Example *CLS HIOKI ST4200B971-00 1 7 2...
Page 173 A<NR1> A = 0 to 255 Details Sets the mask pattern for the Standard Event Status Enable Register (SESER). Returns current Standard Event Status Enable Register (SESER) values. Example *ESE 36 *ESE? (Response)36(When HEADER OFF) HIOKI ST4200B971-00 1 7 3...
Page 174 Read and Clear Standard Event Status Register (SESR) *ESR? Syntax Query *ESR? Response A<NR1> A = 0 to 255 Details Returns current Standard Event Status Register (SESR) values and clears the register. Example *ESR? (Response)0(When HEADER OFF) HIOKI ST4200B971-00 1 7 4...
Page 175 Querying device ID (identiﬁcation code) *IDN? Syntax Query *IDN? Response A$,B$,C$,D$ Details Queries the device ID. A$ = Manufacturer name B$ = Model name C$ = Serial number D$ = Software version Example *IDN? (Response)HIOKI,ST4200,123456789,V1.00(When HEADER OFF) HIOKI ST4200B971-00 1 7 5...
Page 176 *Sets the Standard Event Status Register (SESR) OPC bit (bit 0) to 1 when all commands prior to the OPC command have ﬁnished processing. *Responds with 1 when all commands prior to *OPC? have ﬁnished. Example *OPC *OPC? (Response)1(When HEADER OFF) HIOKI ST4200B971-00 1 7 6...
Page 177 Initialize instrument *RST Syntax Command *RST Details Sets the instrument to defaults. However, communication settings and table saved data excluding for the current table do not change. Reference: [List of Initial Settings] Example *RST HIOKI ST4200B971-00 1 7 7...
Page 178 Read Status Byte Register (STB) *STB? Syntax Query *STB? Response A<NR1> A = 0 to 255 Details Returns current Status Byte Register (STB) values. Example *STB? (Response)128(When HEADER OFF) HIOKI ST4200B971-00 1 7 8...
Page 179 A = 0 to 255 Details Sets the mask pattern for the Event Status Enable Register 0 (ESER0). Returns the current Event Status Enable Register 0 (ESER0) values. Example :ESE0 64 :ESE0? (Response)64(When HEADER OFF) HIOKI ST4200B971-00 1 7 9...
Page 180 Read and Clear Event Status Register 0 (ESR0) :ESR? Syntax Query :ESR? Response A<NR1> A = 0 to 255 Details Returns current Event Status Register 0 (ESR0) values and clears the register. Example :ESR0? (Response)0(When HEADER OFF) HIOKI ST4200B971-00 1 8 0...
Page 181 :SYSTem:BEEPer A$ Syntax Command :SYSTem:BEEPer A$ Query :SYSTem:BEEPer? Response A$ = OFF, ON1, ON2 Details Sets the beep sound. Returns current beep sound settings. Alert Alert + action Example :SYSTem:BEEPer ON2 :SYSTem:BEEPer? (Response)ON2(When HEADER OFF) HIOKI ST4200B971-00 1 8 1...
Page 182 Set and query decimal point :SYSTem:DECPoint A$ Syntax Command :SYSTem:DECPoint A$ Query :SYSTem:DECPoint? Response A$ = DOT, COMMa Details Sets the decimal point. Returns current decimal point settings. Period COMMa Comma Example :SYSTem:DECPoint DOT :SYSTem:DECPoint? (Response)DOT(When HEADER OFF) HIOKI ST4200B971-00 1 8 2...
Page 183 :SYSTem:SEPArator A$ Syntax Command :SYSTem:SEPArator A$ Query :SYSTem:SEPArator? Response A$ = COMMa, SPACe, TAB, SEMI Details Sets the separators. Returns current separator settings. COMMa Comma SPACe Space SEMI Semicolon Example :SYSTem:SEPArator COMMa :SYSTem:SEPArator? (Response)COMMA(When HEADER OFF) HIOKI ST4200B971-00 1 8 3...
Page 184 Response A<NR1>,B<NR1>,C<NR1> A = 2000 to 2080 (year) B = 1 to 12 (month) C = 1 to 31 (day) Details Sets the date. Returns the current date. Example :SYSTem:DATE 2023,1,2 :SYSTem:DATE? (Response)2023,1,2(When HEADER OFF) HIOKI ST4200B971-00 1 8 4...
Page 185 Response A<NR1>,B<NR1>,C<NR1> A = 0 to 23 (hours) B = 0 to 59 (minutes) C = 0 to 59 (seconds) Details Sets the time. Returns the current time. Example :SYSTem:TIME 12,34,56 :SYSTem:TIME? (Response)12,34,56(When HEADER OFF) HIOKI ST4200B971-00 1 8 5...
Page 186 Query :HEADer? Response A$ = ON, OFF Details Sets whether a query message response header is enabled. Returns whether a query message response header is currently enabled. Example :HEADer ON :HEADer? ON(When HEADER ON) (Response):HEADER HIOKI ST4200B971-00 1 8 6...
Page 187 :TABLe:SELect? Response A<NR1> A = 1 to 50 Details Selects the table number of the table to be used. Returns the table number of the currently selected table. Example :TABLe:SELect 7 :TABLe:SELect? (Response)7(When HEADER OFF) HIOKI ST4200B971-00 1 8 7...
Page 188 Initialize table :TABLe:INITialize Syntax Command :TABLe:INITialize Details Initializes all items for Normal mode and PDIV mode for the currently selected table. Example :TABLe:INITialize HIOKI ST4200B971-00 1 8 8...
Page 189 Delete table :TABLe:DELete A Syntax Command :TABLe:DELete A Details Deletes the table speciﬁed by A. A<NR1> A = 1 to 50 Example :TABLe:DELete 20 Note A table currently selected cannot be deleted. HIOKI ST4200B971-00 1 8 9...
Page 190 Sets table name B to the table speciﬁed by A. Also returns the table name for the table speciﬁed by A. A<NR1> A = 1 to 50 Example :TABLe:NAME 7,"Sample name" :TABLe:NAME? 7 (Response)"Sample name"(When HEADER OFF) HIOKI ST4200B971-00 1 9 0...
Page 191 :TABLe:COPY A,B Syntax Command :TABLe:COPY A,B Details Copies the table speciﬁed by A to the table for B. A<NR1>,B<NR1> A = 1 to 50 (copy source) B = 1 to 50 (copy destination) Example :TABLe:COPY 20,30 HIOKI ST4200B971-00 1 9 1...
Page 192 Execution control Start measurement :STARt Syntax Command :STARt Details Starts measurement. Example :STARt HIOKI ST4200B971-00 1 9 2...
Page 193 Stop measurement :STOP Syntax Command :STOP Details Stops measurement when calculation is ﬁnished. Example :STOP HIOKI ST4200B971-00 1 9 3...
Page 194 Abort measurement :ABORt Syntax Command :ABORt Details Forcibly ends measurement. Stops measurement even if calculation is not complete. Example :ABORt HIOKI ST4200B971-00 1 9 4...
Page 195 :FINish? Syntax Query :FINish? Response A<NR1> Details Returns 1 when measurement is complete. Example :FINish? (Response)1(When HEADER OFF) Note STOP With AC PD continuous measurement, a response is not returned until the key is pressed. HIOKI ST4200B971-00 1 9 5...
Page 196 Executes zero adjustment on all channels and all ranges. Execution of this command will take time. To check completion of zero adjustment, wait for a response of 1 to be returned with “:UNIT:ADJust;*OPC?.” Example :UNIT:ADJust HIOKI ST4200B971-00 1 9 6...
Page 197 Set and query measurement mode :PDMOde A$ Syntax Command :PDMOde A$ Query :PDMOde? Response A$ = NORMal, PDIV Details Sets the measurement mode. Returns the current measurement mode. Example :PDMOde PDIV :PDMOde? (Response)PDIV(When HEADER OFF) HIOKI ST4200B971-00 1 9 7...
Page 198 Command :PDKInd A$ Query :PDKInd? Response A$ = AC, IMPulse Details Sets the type of PD to be measured. Returns the current type of PD to be measured. Example :PDKInd AC :PDKInd? (Response)AC(When HEADER OFF) HIOKI ST4200B971-00 1 9 8...
Page 199 A = 200 to Voltage Upper Limit [V] (3153) A = 10 to Voltage Upper Limit [V] (TOS5200/TOS530x/TOS930x) Details Sets the applied voltage. Returns the current applied voltage. Example :ACPD:VOLTage 1000 :ACPD:VOLTage? (Response)1000(When HEADER OFF) HIOKI ST4200B971-00 1 9 9...
Page 200 Response A<NR1> A = 200 to 5000 [V] (3153) A = 10 to 5000 [V] (TOS5200/TOS530x/TOS930x) Details Sets the voltage upper limit. Returns the current voltage upper limit. Example :ACPD:VLIMit 4000 :ACPD:VLIMit? (Response)4000(When HEADER OFF) HIOKI ST4200B971-00 2 0 0...
Page 201 Set and query the voltage current limit (Ilimit) :ACPD:ILIMit A Syntax Command :ACPD:ILIMit A Query :ACPD:ILIMit? Response A<NR2> A = 0.1 to 100.0 [mA] Details Sets the current upper limit. Returns the current upper limit. Example :ACPD:ILIMit 10.5 :ACPD:ILIMit? (Response)10.5(When HEADER OFF) HIOKI ST4200B971-00 2 0 1...
Page 202 Set and query the voltage frequency (f) :ACPD:FREQuency A Syntax Command :ACPD:FREQuency A Query :ACPD:FREQuency? Response A<NR1> A = 50, 60 [Hz] Details Sets the voltage frequency. Returns the current voltage frequency. Example :ACPD:FREQuency 60 :ACPD:FREQuency? (Response)60(When HEADER OFF) HIOKI ST4200B971-00 2 0 2...
Page 203 Set and query the sampling time width (Tref) :ACPD:TIME A Syntax Command :ACPD:TIME A Query :ACPD:TIME? Response A<NR1> A = 100 to 1000 [ms] Details Sets the sampling time width. Returns the current sampling time width. Example :ACPD:TIME 500 :ACPD:TIME? (Response)500(When HEADER OFF) HIOKI ST4200B971-00 2 0 3...
Page 204 Set and query the PD axis scale (Sc) :ACPD:SCALe A Syntax Command :ACPD:SCALe A Query :ACPD:SCALe? Response A<NR1> A = 10 to 5000 [pC] Details Sets the PD axis scale. Returns the current PD axis scale. Example :ACPD:SCALe 100 :ACPD:SCALe? (Response)100(When HEADER OFF) HIOKI ST4200B971-00 2 0 4...
Page 205 :ACPD:SENSitivity A Syntax Command :ACPD:SENSitivity A Query :ACPD:SENSitivity? Response A<NR1> A = 1, 2, 4, 10, 20, 40 [magniﬁcation] Details Sets the measurement sensitivity. Returns the current measurement sensitivity. Example :ACPD:SENSitivity 40 :ACPD:SENSitivity? (Response)40(When HEADER OFF) HIOKI ST4200B971-00 2 0 5...
Page 206 :ACPD:THREsh:VALUe A Syntax Command :ACPD:THREsh:VALUe A Query :ACPD:THREsh:VALUe? Response A<NR3> A = 10.00 to 5000.00 [pC] Details Sets the AC PD threshold value. Returns the current AC PD threshold value. Example :ACPD:THREsh:VALUe 5000 :ACPD:THREsh:VALUe? (Response)005.000E+03(When HEADER OFF) HIOKI ST4200B971-00 2 0 6...
Page 207 Set and query Qmax evaluation rate (Er) :ACPD:QRATe A Syntax Command :ACPD:QRATe A Query :ACPD:QRATe? Response A<NR1> A = 1 to 9999 [pps] Details Sets the Qmax evaluation rate. Returns the current Qmax evaluation rate. Example :ACPD:QRATe 60 :ACPD:QRATe? (Response)60(When HEADER OFF) HIOKI ST4200B971-00 2 0 7...
Page 208 Set and query low cutoﬀ frequency (fL) :ACPD:BPF:LOWEr A Syntax Command :ACPD:BPF:LOWEr A Query :ACPD:BPF:LOWEr? Response A<NR1> A = 30 to 900 [Hz] Details Sets the low cutoﬀ frequency. Returns the current low cutoﬀ frequency. Example :ACPD:BPF:LOWEr 100 :ACPD:BPF:LOWEr? (Response)100(When HEADER OFF) HIOKI ST4200B971-00 2 0 8...
Page 209 Set and query high cutoﬀ frequency (fH) :ACPD:BPF:UPPEr A Syntax Command :ACPD:BPF:UPPEr A Query :ACPD:BPF:UPPEr? Response A<NR1> A = 130 to 1000 [Hz] Details Sets the high cutoﬀ frequency. Returns the current high cutoﬀ frequency. Example :ACPD:BPF:UPPEr 900 :ACPD:BPF:UPPEr? (Response)900(When HEADER OFF) HIOKI ST4200B971-00 2 0 9...
Page 210 Returns the current band pass ﬁlter setting mode. Example :ACPD:BPF:MODE ON :ACPD:BPF:MODE? (Response)ON(When HEADER OFF) Note Do not apply voltage from an AC power supply during measurements when the band pass ﬁlter setting mode is ON. HIOKI ST4200B971-00 2 1 0...
Page 211 Command :ACPD:REPEat A$ Query :ACPD:REPEat? Response A$ = ON, OFF Details Sets the trigger mode (repeat). Returns the current trigger mode (repeat). OFF is "Single", ON is "Repeat". Example :ACPD:REPEat ON :ACPD:REPEat? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 1 1...
Page 212 :ACPD:VSTArt? Response A<NR1> A = 1 to 99 [%] Details Sets the starting voltage. Returns the current starting voltage. Example :ACPD:VSTArt 50 :ACPD:VSTArt? (Response)50(When HEADER OFF) Note Cannot be set with 3153, TOS5200 and TOS530x. HIOKI ST4200B971-00 2 1 2...
Page 213 A = 200 to Voltage Upper Limit [V] (3153) A = 10 to Voltage Upper Limit [V] (TOS5200/TOS530x/TOS930x) Details Sets the maximum test voltage value. Returns the current maximum test voltage value. Example :ACPD:VSTArt 2000 :ACPD:VSTArt? (Response)2000(When HEADER OFF) HIOKI ST4200B971-00 2 1 3...
Page 214 Set and query ramp up time (Tru) :ACPD:RAMP:UP A Syntax Command :ACPD:RAMP:UP A Query :ACPD:RAMP:UP? Response A<NR2> A = 0.1 to 99.9 [s] Details Sets the ramp up time. Returns the current ramp up time. Example :ACPD:RAMP:UP 20 :ACPD:RAMP:UP? (Response)20.0(When HEADER OFF) HIOKI ST4200B971-00 2 1 4...
Page 215 Set and query ramp down time (Trd) :ACPD:RAMP:DOWN A Syntax Command :ACPD:RAMP:DOWN A Query :ACPD:RAMP:DOWN? Response A<NR2> A = 0.1 to 99.9 [s] Details Sets the ramp down time. Returns the current ramp down time. Example :ACPD:RAMP:DOWN 30 :ACPD:RAMP:DOWN? (Response)30.0(When HEADER OFF) HIOKI ST4200B971-00 2 1 5...
Page 216 :ACPD:RAMP:KEEP A Syntax Command :ACPD:RAMP:KEEP A Query :ACPD:RAMP:KEEP? Response A<NR2> A = 0.1 to 99.9 [s] Details Sets the maximum voltage holding time. Returns the current maximum voltage holding time. Example :ACPD:RAMP:KEEP 40 :ACPD:RAMP:KEEP? (Response)40.0(When HEADER OFF) HIOKI ST4200B971-00 2 1 6...
Page 217 UI:Stop when Ui is recorded while raising the voltage UMAX:Stop when the voltage is raised to the maximum voltage UE:Stop when Ue is recorded while lowering the voltage Example :ACPD:PDIV:STOP UI :ACPD:PDIV:STOP? (Response)UI(When HEADER OFF) HIOKI ST4200B971-00 2 1 7...
Page 218 :ACPD:JUDGe:STOP A$ Syntax Command :ACPD:JUDGe:STOP A$ Query :ACPD:JUDGe:STOP? Response A$ = OFF, ON Details Sets whether to stop the measurement when a FAIL judgment occurs. OFF:Do not stop ON:Stop Example :ACPD:JUDGE:STOP ON :ACPD:JUDGE:STOP? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 1 8...
Page 219 Response A$ = OVER, UNDer Details Sets the FAIL condition in a Ui and Ue judgment. OVER:FAIL at setting value or more UNDer:FAIL at less than setting value Example :ACPD:JUDGE:VFAIL UNDER :ACPD:JUDGE:VFAIL? (Response)UNDER(When HEADER OFF) HIOKI ST4200B971-00 2 1 9...
Page 220 Set and query charge value :ACPD:CAL:CHARge A Syntax Command :ACPD:CAL:CHARge A Query :ACPD:CAL:CHARge? Response A<NR1> A = 10 to 5000 [pC] Details Sets the charge value. Returns the current charge value. Example :ACPD:CAL:CHARge 5000 :ACPD:CAL:CHARge? (Response)5000(When HEADER OFF) HIOKI ST4200B971-00 2 2 0...
Page 221 Execute calibration :ACPD:CAL:EXECute? Syntax Query :ACPD:CAL:EXECute? Response A$ = PASS, FAIL Details Return the calibration execute result. Example :ACPD:CAL:EXECute? (Response)PASS(When HEADER OFF) HIOKI ST4200B971-00 2 2 1...
Page 222 Set and query calibration rate :ACPD:CAL:RATE? Syntax Query :ACPD:CAL:RATE? Response A<NR3> Details Returns the calibration rate. Example :ACPD:CAL:RATE? (Response)100.000E+00(When HEADER OFF) HIOKI ST4200B971-00 2 2 2...
Page 223 Set and query calibration results :ACPD:CAL:RESult A$ Syntax Command :ACPD:CAL:RESult A$ Query :ACPD:CAL:RESult? Response A$ = NONE, PASS, FAIL Details Sets the calibration results. Returns the current calibration results. Example :ACPD:CAL:RESult NONE :ACPD:CAL:RESult? (Response)NONE(When HEADER OFF) HIOKI ST4200B971-00 2 2 3...
Page 224 Set and query the vernier correction rate :ACPD:VERNier A Syntax Command :ACPD:VERNier A Query :ACPD:VERNier? Response A<NR2> Details Sets the vernier correction rate. Returns the current vernier correction rate. Example :ACPD:VERNier 1.2 :ACPD:VERNier? (Response)1.200(When HEADER OFF) HIOKI ST4200B971-00 2 2 4...
Page 225 B$ = ON, OFF Details Sets whether a PASS/FAIL judgment is used for measurement parameters speciﬁed in the ﬁrst argument Speciﬁes ON/OFF in the second argument B. First argument A$ Parameters for judgment QMAX Qmax PDIV PDEV Example HIOKI ST4200B971-00 2 2 5...
Page 226 :ACPD:JUDGe:QMAX ON :ACPD:JUDGe:QMAX? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 2 6...
Page 227 Sets judgment threshold settings for measurement parameters speciﬁed in the ﬁrst argument A$. Speciﬁes threshold values in the second argument B. First argument A$ Parameters for setting threshold QMAX Qmax PDIV PDEV Example :ACPD:JLEVel:M 100 :ACPD:JLEVel:M? (Response)100.000E+00(When HEADER OFF) HIOKI ST4200B971-00 2 2 7...
Page 228 A$ = OFF, ON Details Sets the noise level check function. Example :ACPD:NOISE ON :ACPD:NOISE? (Response)ON(When HEADER OFF) Note The noise level check function cannot be turned ON when the BPF setting mode is ON. HIOKI ST4200B971-00 2 2 8...
Page 229 Acquiring Measures Results Acquire the measurement count :ACPD:DATA:COUNT? Syntax Query :ACPD:DATA:COUNT? Response A<NR1> Details Acquires the measurement count for current measured data. Example :ACPD:DATA:COUNT? (Response)45(When HEADER OFF) HIOKI ST4200B971-00 2 2 9...
Page 230 (Unit: N/A) judgment result Positive number of PD <NR1>, PASS/FAIL/OVER/NONE (Unit: N/A) and judgment result Negative number of PD <NR1>, PASS/FAIL/OVER/NONE (Unit: N/A) and judgment result PD occurrence rate and <NR1>, PASS/FAIL/OVER/NONE (Unit: judgment result [pps]) HIOKI ST4200B971-00 2 3 0...
Page 231 <NR3>, PASS/FAIL/OVER/NONE (Unit: [A]) result Discharge power and <NR3>, PASS/FAIL/OVER/NONE (Unit: [W]) judgment result <NR3>, PASS/FAIL/OVER/NONE Quadratic rate and (Unit: judgment result [C /s]) Overall judgment result JUDGE PASS/FAIL/OVER/NONE Example :ACPD:DATA:VARious? 22,QMAX (Response)102.46,FAIL(When HEADER OFF) HIOKI ST4200B971-00 2 3 1...
Page 232 Acquires series data already measured. Speciﬁes the measurement number (acquires the latest data if 0 is speciﬁed) in the ﬁrst argument A, and the pulse number in the second argument B. Example :ACPD:DATA:SERies? 0,2 (Response)0.00582409, -27.05,251.15(When HEADER OFF) HIOKI ST4200B971-00 2 3 2...
Page 233 D$ = PDIV judgment result PASS/FAIL/OVER/NONE E = PD extinction voltage Ue [V] F$ = PDEV judgment result PASS/FAIL/OVER/NONE G$ = Overall judgment result PASS/FAIL/OVER/NONE Details Acquires PDIV data already measured and the judgment result. Example :ACPD:DATA:PDIV? (Response)114,PASS,569,FAIL,FAIL(When HEADER OFF) HIOKI ST4200B971-00 2 3 3...
Page 234 Set and query automatic saving for data series :SAVe:SERies:AUTo A$ Syntax Command :SAVe:SERies:AUTo A$ Query :SAVe:SERies:AUTo? Response A$ = OFF, ON Details Sets automatic saving for data series. Example :SAVE:SERIES:AUTO ON :SAVE:SERIES:AUTO? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 3 4...
Page 235 Set and query manual saving for data series :SAVe:SERies:MANu A$ Syntax Command :SAVe:SERies:MANu A$ Query :SAVe:SERies:MANu? Response A$ = OFF, ON Details Sets manual saving for data series. Example :SAVE:SERIES:MANU ON :SAVE:SERIES:MANU? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 3 5...
Page 236 Set and query manual saving for realtime waveform images :SAVe:WAVe:MANu A$ Syntax Command :SAVe:WAVe:MANu A$ Query :SAVe:WAVe:MANu? Response A$ = OFF, ON Details Sets manual saving for realtime waveform images. Example :SAVE:WAVE:MANU ON :SAVE:WAVE:MANU? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 3 6...
Page 237 Set and query format for realtime waveform images :SAVe:WAVe:FORMat A$ Syntax Command :SAVe:WAVe:FORMat A$ Query :SAVe:WAVe:FORMat? Response A$ = BMP, PNG, JPEG Details Sets the format for realtime waveform images. Example :SAVE:WAVE:FORMAT PNG :SAVE:WAVE:FORMAT? (Response)PNG(When HEADER OFF) HIOKI ST4200B971-00 2 3 7...
Page 238 Set and query automatic saving for Q=f(U) graph images :SAVe:QFU:AUTo A$ Syntax Command :SAVe:QFU:AUTo A$ Query :SAVe:QFU:AUTo? Response A$ = OFF, ON Details Sets automatic saving for Q=f(U) graph images. Example :SAVE:QFU:AUTO ON :SAVE:QFU:AUTO? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 3 8...
Page 239 Set and query manual saving for Q=f(U) graph images :SAVe:QFU:MANu A$ Syntax Command :SAVe:QFU:MANu A$ Query :SAVe:QFU:MANu? Response A$ = OFF, ON Details Sets manual saving for Q=f(U) graph images. Example :SAVE:QFU:MANU ON :SAVE:QFU:MANU? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 3 9...
Page 240 Set and query format for Q=f(U) graph :SAVe:QFU:FORMat A$ Syntax Command :SAVe:QFU:FORMat A$ Query :SAVe:QFU:FORMat? Response A$ = BMP, PNG, JPEG, CSV Details Sets the format for Q=f(U) graph images. Example :SAVE:QFU:FORMAT JPEG :SAVE:QFU:FORMAT? (Response)JPEG(When HEADER OFF) HIOKI ST4200B971-00 2 4 0...
Page 241 Set and query automatic saving for SBS graph images :SAVe:SBS:AUTo A$ Syntax Command :SAVe:SBS:AUTo A$ Query :SAVe:SBS:AUTo? Response A$ = OFF, ON Details Sets automatic saving for SBS graph images. Example :SAVE:SBS:AUTO ON :SAVE:SBS:AUTO? (Response)ON(When HEADER OFF) HIOKI ST4200B971-00 2 4 1...
Page 242 Set and query saving destination media :SAVe:MEDia A$ Syntax Command :SAVe:MEDia A$ Query :SAVe:MEDia? Response A$ = SSD, SD, USB1 to USB23 Details Sets the saving destination media. Example :SAVE:MEDIA USB1 :SAVE:MEDIA? (Response)USB1(When HEADER OFF) HIOKI ST4200B971-00 2 4 2...
Page 243 Set and query the save folder :SAVe:FOLDer "A$" Syntax Command :SAVe:FOLDer "A$" Query :SAVe:FOLDer? Response "A$" A$ = Folder name Details Sets the name of the folder to save. Example :SAVE:FOLDER "MOTOR" :SAVE:FOLDER? (Response)"MOTER"(When HEADER OFF) HIOKI ST4200B971-00 2 4 3...
Page 244 Set and query the save ﬁle name :SAVe:NAME "A$" Syntax Command :SAVe:NAME "A$" Query :SAVe:NAME? Response "A$" A$ = File name Details Sets the name of the ﬁle to save. Example :SAVE:NAME "TEST" :SAVE:NAME? (Response)"TEST"(When HEADER OFF) HIOKI ST4200B971-00 2 4 4...
Page 245 Command :A command Query :A command? Details Send and receive commands to the AC power source connected to the ST4200. Enter commands into command to control the AC power source. If a command has a , it will get a response from the AC source.
Page 246 Command :R command Query :R command? Details Send and receive commands to the SW2001 connected to the ST4200. Enter your commands into command to control the SW2001. If a command contains a , it will retrieve a response from the SW2001.
Page 247 Other commands Update screen :DISPlay:UPDAte Syntax Command :DISPlay:UPDAte Details Updates the screen. Example :DISPlay:UPDAte HIOKI ST4200B971-00 2 4 7...
Page 248 Set the character code use for communication. Returns the character code used in the current communication. When set to AUTO, SJIS is used if the ST4200 display language is Japanese, and UTF8 is used if it is other than Japanese.
Page 249 To ensure the instrument can be used over the long term, it is recommended to replace these parts on a periodic basis. When replacing batteries, please contact your authorized Hioki distributor or reseller. The service life of parts varies with the operating environment and frequency of use. These parts are not guaranteed to operate throughout the recommended replacement cycle.
Page 250 The fuse is housed in the power unit of the instrument. If the instrument is not powered on, the fuse may be blown. Customers cannot replace or repair this themselves. Contact your authorized Hioki distributor or reseller.
Page 251 IMPORTANT Save measurement data in a storage device before performing the memory check. Any measurement data will be deleted after the memory check. Do not turn oﬀ the instrument during the memory check. [Memory check]. HIOKI ST4200B971-00 2 5 1...
Page 252 The screen displays the judgment result after all of the marks have changed to a check mark. Results display Result description PASS The instrument has passed the check. FAIL The instrument has failed the check. Request repairs. HIOKI ST4200B971-00 2 5 2...
Page 253 Tap the screen or press any key to check the display state. Every operation changes the screen in the following order, eventually redisplay the original screen. Red → green → blue → black → white HIOKI ST4200B971-00 2 5 3...
Page 254 [Media] box and select a storage device from the list. The screen displays the information of the selected storage device. [Read/Write check]. The read/write check starts. Check the transmission/reception result on the screen. Tap [Close]. HIOKI ST4200B971-00 2 5 4...
Page 255 Clean the air vents periodically to avoid blockage. When the vents get clogged, the instrument's internal cooling eﬀect is hampered, and this can lead to damage to the instrument. Wipe the LCD gently with a soft, dry cloth. HIOKI ST4200B971-00 2 5 5...
Page 256 8.4 Troubleshooting See "Before Requesting Repairs" if you think there is a problem. If this does not help you resolve your problem, contact your authorized Hioki distributor or reseller. Before requesting repairs If the power or operating keys does not operate properly...
Page 257 Solution Reference The instrument cannot You are not using save any data on a Options (Sold Hioki’s optional SD Use Hioki’s optional SD card. storage device including separately) memory card. an SD card. The instrument cannot The storage device save any data on a...
Page 258 ﬂuctuation width is 10% or less than the previous time. If 10% or less, there will be no issues with the AC PD sensor part of the AC PD sensor. If not, contact your authorized Hioki distributor or reseller. Tap [Close].
Page 259 Check whether the sine wave for the indicated value of around 200 V is displayed on the real- time waveform screen of the ST4200 AC PD. If the sine wave for the indicated value of around 200 V is displayed, there will be no issues with the AC PD sensor AC VOLTAGE sensor part.
Page 260 > [System]. See: System Error messages The list of error messages is as follows. Check the solution. If an error is displayed on the screen, the instrument must be repaired. Contact your authorized Hioki distributor or reseller. Message Solution Reference...
Page 261 [Continue]; however, you should turn oﬀ the instrument once. Warning messages The list of warning messages is as follows. Check the solution. Message Solution Reference Please insert media. Insert an SD card or a USB ﬂash drive. HIOKI ST4200B971-00 2 6 1...
Page 262 Each Part Delete ﬁles in the folder or change the Folder is full. saving destination folder. Zero adjustment failed. Aborted. LAN disconnected. Check the network environment. LAN timed out. Check the network environment. HIOKI ST4200B971-00 2 6 2...
Page 263 The current exceeds the measurable range. Please change the "Qsen" setting so that it does not exceed the range. The current exceeds the measurable range. Please change the "Range" setting so that it does not exceed the range. HIOKI ST4200B971-00 2 6 3...
Page 264 Choose settings conﬁgured on the instrument to restore them to the factory default settings (basic measurement settings). Disconnect the measurement sample. [System Settings] > [System]. The System screen is displayed. [Initialize Settings] [Initialize all]. The instrument will be initialized. HIOKI ST4200B971-00 2 6 4...
Page 265 0.2 mA Voltage Frequency 50 Hz Tref Sampling Time Width 100 ms PD Axis Scale 300 pC Qsen Measurement Sensitivity AC PD Threshold Value 10.00 pC Qmax Evaluation Rate 50 pps High Cutoﬀ Frequency 1000 kHz HIOKI ST4200B971-00 2 6 5...
Page 266 0 pcs Repetition Rate ACPD Pulse 0 pps Repetition Rate Positive Pole ACPD 0 pcs Pulse Count Negative Pole ACPD 0 pcs Pulse Count 0.00000E+00 Discharge Power 0.00000E+00 Quadratic Rate C /s Average Discharge 0.00000E+00 Current PD Inception Voltage HIOKI ST4200B971-00 2 6 6...
Page 267 Realtime Value Item 7 Realtime Value Item 8 Realtime Value Item 9 Realtime Value Item 10 None Settings View Item 1 Settings View Item 2 Settings View Item 3 Tref Settings View Item 4 Qsen HIOKI ST4200B971-00 2 6 7...
Page 268 Realtime Value Item 2 Realtime Value Item 3 Realtime Value Item 4 Realtime Value Item 5 Realtime Value Item 6 Qmax Realtime Value Item 7 Realtime Value Item 8 Realtime Value Item 9 Realtime Value Item 10 None HIOKI ST4200B971-00 2 6 8...
Page 269 Table Other Than Current Table Delete *1: After Initialize all, the current table becomes No.1. System Setting item Default setting Initialize Settings Initialize all *RST Beep sound Alert Decimal Point . (period) Separator , (comma) Header HIOKI ST4200B971-00 2 6 9...
Page 270 Equipment Connection Setting Default Initialize Initialize Device *RST item setting Settings Controller Port 8802 AC Power Model 3153 AC Power Interface NONE High Voltage Interface NONE Multiplexer HIOKI ST4200B971-00 2 7 0...
Page 271 Keep batteries away from children to prevent accidental swallowing. Dispose of the battery in accordance with local regulations. CALIFORNIA, USA ONLY Perchlorate Material - special handling may apply. https://dtsc.ca.gov/perchlorate/ HIOKI ST4200B971-00 2 7 1...
Page 272 Remove the upper panel. Use nippers to remove the lithium battery from the printed circuit board. Pull the lithium battery up from the circuit board, and cut the positive and negative leads with the nippers. HIOKI ST4200B971-00 2 7 2...
Page 273 HIOKI ST4200B971-00 2 7 3...
Page 274 For details, visit the following website: https://www.hioki.com/global/support/oss Hioki would prefer you not to direct any inquiries on the content of the source code. HIOKI ST4200B971-00 2 7 4...
Page 275 When you remove the rack mount and restore the instrument to its original condition, use the screws (M3 × 3 mm) that were installed at the factory. If you have lost a screw or ﬁnd that the screw is damaged, contact your authorized Hioki distributor or reseller.
Page 276 Unscrew the screws (M3 × 3 mm) in four locations on the back of the instrument. HIOKI ST4200B971-00 2 7 6...
Page 277 Fix the back plate to the instrument with the included screws (M3 × 5 mm) in four locations. HIOKI ST4200B971-00 2 7 7...
Page 278 Place the instrument in the rack mounting adapter and ﬁx it with the included screws (M4 × 6 mm) in three locations. After the instrument is ﬁxed in the adapter HIOKI ST4200B971-00 2 7 8...
Page 279 Fix the adapter to the front panel with the included screws (M3 × 8 mm, countersunk head screw) in six locations. Completed image HIOKI ST4200B971-00 2 7 9...
Page 280 Approx. 353W × 235H × 154.8D mm (13.9″W × 9.3″H × 6.1″D) Dimensions (excluding protrusions) Approx. 7.1 kg (15.7 lbs) (with the U8332 removed) Weight Approx. 7.3 kg (16.1 lbs) (with the U8332 installed) Product warranty duration 3 years Included accessories Included accessories Options Options HIOKI ST4200B971-00 2 8 0...
Page 281 (q), PD pulse phase angle (ø), PD inception voltage (Ui), PD extinction voltage (Ue) Sampling window 100 ms to 1000 ms time width (Tref) Measured value display update 100 ms to 1000 ms (linked to the value set for the sampling window time width) interval HIOKI ST4200B971-00 2 8 1...
Page 282 Tested object capacitance C Charge measurable range Q Charge measurable 200 pF ≤ C < 2 nF 10 pC ≤ Q ≤ 500 pC range 2 nF ≤ C ≤ 10 nF 10 pC ≤ Q ≤ 2500 pC PD pulse time 10 μs resolution HIOKI ST4200B971-00 2 8 2...
Page 283 Eﬀect of conducted radio-frequency 50 pC or less (at 10 V) electromagnetic ﬁeld Eﬀect of superimposed pulse noise on the 50 pC or less (with 1 kV and superimposed pulse power supply noise of pulse width 50 ns) HIOKI ST4200B971-00 2 8 3...
Page 284 PD pulse phase angle to apparent charge to PD pulse number (PRPD characteristic) X axis: PD pulse phase angle Y axis: apparent charge Z axis (color chart display): PD pulse number or rate of PD pulse generation HIOKI ST4200B971-00 2 8 4...
Page 285 Repeatedly occurring maximum PD intensity (Qmax), PD pulse count (m, m+, m-), PD pulse generation rate (n), Average discharge current (I), Discharge power (P), Secondary rate (D), PD start voltage (Ui), PD extinction voltage (Ue) HIOKI ST4200B971-00 2 8 5...
Page 286 High Voltage Multiplexer SW2001-04, SW2001-08, SW2001-16, SW2001-24 (Speciﬁcation with PD Sensor ST9200 [for AC partial discharge]) Control authority When the ST4200 controls the above devices, the ST4200 has exclusive conﬂict with host control. At other times, the host device can execute command control via device ST4200.
Page 287 Before starting a measurement, choose whether a new ﬁle is created or data is appended to the existing ﬁle The SAVE key is used to save data based on a pre-deﬁned SAVE key operation destination, ﬁle name, and saving setting. HIOKI ST4200B971-00 2 8 7...
Page 288 Data loading function Item Description SD Memory Card Z4001 (2 GB), Z4003 (8 GB) USB Drive Drive data is loaded from Z4006 (16 GB) U8332 SSD Unit (256 GB) Measurement data (.CSV) Loadable data formats Tables (.TBL, .TB1) HIOKI ST4200B971-00 2 8 8...
Page 289 HIOKI ST4200B971-00 2 8 9...
Page 290 HIOKI ST4200B971-00 2 9 0...
Page 291 Data bit length Stop bits RS-232C (USB serial conversion cable) Parity check None Delimiter Transmission: CR+LF, Receiving: LF or CR+LF Flow control None Protocol Non-procedural Communication details Command communication for cooperation control Default setting Transmission speed: 9600 bps HIOKI ST4200B971-00 2 9 1...
Page 292 TCP/IP Connector RJ-45 Communication contents Set and query using communication commands Settings IP address, Subnet mask, Default gateway Port numbers for communication commands: 1002 to 49002 Delimiter Transmission: CR+LF, Receiving: LF, CR+LF Maximum cable length HIOKI ST4200B971-00 2 9 2...
Page 293 50 V DC, 50 mA, 200 mW Pin assignment Signal Description Detection name EXT. I/O Ground potential Measurement START Edge start Measurement STOP Edge stop Ground potential Overall PASS judgement: PASS Overall FAIL judgement: FAIL Ground potential Unassigned Unassigned Ground potential HIOKI ST4200B971-00 2 9 3...
Page 294 Item Description Signal Description Detection name Ground potential HIOKI ST4200B971-00 2 9 4...
Page 295 Consistent with the speciﬁcations of a PD Detector in which humidity range the U8332 is installed. Storage temperature and Consistent with the speciﬁcations of a PD Detector in which humidity range the U8332 is installed. HIOKI ST4200B971-00 2 9 5...
Page 296 . Potential diﬀerence occurs at both ends according to the current causing the discharge. The instrument records the waveform of this potential diﬀerence and ﬁnds the charge quantity through integration processing. HIOKI ST4200B971-00 2 9 6...
Page 297 This indicates the value obtained by dividing the sum of the squares of individual apparent charge magnitude during the selected reference time interval by the time interval. Tref C /s The unit is × (q + q + ⋯ q ) HIOKI ST4200B971-00 2 9 7...
Page 298 HIOKI ST4200B971-00...

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