Hioki ST4200 Startup Manual

Partial discharge detector

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Instruction manual (298 pages)

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ST4200

ST4200-50

PARTIAL DISCHARGE

DETECTOR

SW2001

SW2001-04

SW2001-08

SW2001-16

SW2001-24

HIGH VOLTAGE MULTIPLEXER

Read carefully before use.

Keep for future reference.

Safety Information

Name and Function of Each Part

Measurement Method

Feb. 2025 Edition 1

ST4200B961-00

Check for the latest edition and

other language versions.

p.10

Maintenance and Service



p.16

Message



p.37



HIOKI ST4200B961-00

Startup Guide

p.57



p.62



[600673650]

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Page 1 ST4200 ST4200-50 PARTIAL DISCHARGE DETECTOR Startup Guide SW2001 SW2001-04 SW2001-08 SW2001-16 SW2001-24 HIGH VOLTAGE MULTIPLEXER Check for the latest edition and other language versions. Read carefully before use. Keep for future reference. Safety Information p.10 Maintenance and Service p.57 ...
Page 2 HIOKI ST4200B961-00...
Page 3: Table Of Contents
....53 L2265 Unterminated Lead Cable (Insulation/Withstand Voltage L2270 Connection Cable ......53 Tester) Connections ......23 ......54 L2271 Connection Cable Connecting the ST4200 and the L9218 Connection Cable ......54 ST9200 PD Sensor SW2001 ..........25 ......54 (for AC Partial Discharge) ......26 AC PD measurement...
Page 4: Warranty Certificate
Contents Disposal (Removing the Lithium Battery) ..65 Warranty Certificate HIOKI ST4200B961-00...
Page 5: Introduction
Introduction Introduction Thank you for choosing Hioki's ST4200 Partial Discharge Detector and SW2001 High Voltage Multiplexer. Preserve this manual carefully and keep it handy to make full use of this instrument for a long time. Before using the ST4200 and SW2001, read the attached “Operating Precautions” carefully.
Page 6: Confirming Package Contents
If the instrument seems to have been damaged or does not work as specified, contact your authorized Hioki distributor or reseller. Store the packaging materials even after unpacking because you will need them when you transport the measuring instrument.
Page 7: Options (Sold Separately)
• ST9210 PD Sensor This sensor is used for AC partial discharge in combination with the ST4200. For instructions on how to use the ST9210 in combination with the ST4200, please refer to the instruction manuals for both the ST4200 and the ST9210.
Page 8: Sw2001 High Voltage Multiplexer
L2271 Connection Cable – – 150 mA AC/DC 1500 mm (59.1 in.) L9218 Connection Cable 30 V AC rms 30 V AC rms 0.2 A 1500 mm (59.1 in.) L1002 USB Cable – – – 1000 mm (A-B) (39.4 in.) HIOKI ST4200B961-00...
Page 9: Notations
Electronic 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 Other notations Abbreviation for “partial discharge.”...
Page 10: Safety Information
Safety Information Safety Information The ST4200 and SW2001 were designed in accordance with the IEC 61010 international standard and their safety was confirmed during pre-shipment inspections. However, using the instruments in a way not described in this manual may diminish their safety.
Page 11: Measurement Categories
Safety Information Measurement categories To enable the safe usage of the ST4200 and SW2001, the measurement categories established in IEC 61010 are used. Tested and measured circuits aimed at connecting to a main power supply circuit are categorized into three categories based on the type of main power supply circuit.
Page 12: Operation Precautions
Operation Precautions Operation Precautions Follow the precautions below to ensure safe operation of the ST4200 and SW2001 and to obtain the full benefits of their various functions. Ensure that your use of the measuring instrument falls within the specifications not only of the instrument itself, but also of any accessories, options and other equipment being used.
Page 13: Checks Before Use
Operation Precautions Checks before use DANGER Inspect before use to ensure that the ST4200 and SW2001 will function „ correctly. Using a measuring instrument while it is damaged may cause serious bodily harm. If you find any damage, contact your authorized Hioki distributor or reseller.
Page 14: Handling Cables
Check whether the insulation layer inside the cable has been exposed. „ If the ST4200 or SW2001 are used with a cable’s interior coloring exposed, the user may experience an electrical shock. When using the ST4200 and SW2001, use Hioki-specified connection „...
Page 15: Overview
Overview 1.1 Product Overview ST4200 Partial Discharge Detector is equipped with the functionality to perform ACPD measurements in conformance with IEC 60270 (2015) and IEC 60034-27-1 (2017). SW2001 High Voltage Multiplexer is a dedicated unit that integrates all motor stator tests into one unit.
Page 16: Name And Function Of Each Part
USB connector Connect a USB flash drive, USB mouse, or USB keyboard. These feet are used to incline the ST4200 for better visibility of the screen. Feet These feet are used for easier operation of the touch panel.
Page 17: Operation Keys
When configuring AC PD repeat measurements, the LED rotary knob screen SCREEN will light up in red and become enabled for operation. START Starts a measurement. Lights up in green during a measurement. STOP Stops the measurement. Power key Used to turn the instrument on and off. HIOKI ST4200B961-00...
Page 18: Right Side
(100BASE-TX) DVI-I terminal Outputs the screen display signals. Enables control of the ST4200 by inputting external signals, and the External control terminals outputting of signals externally. Measurement signal input Terminal used to input measurement signals from the SW2001 or the terminal ST9210.
Page 19: Sw2001 High Voltage Multiplexer
(last two digits of the year), and the next digits two indicate the Serial number month of manufacture. This label is needed for administrative purposes. Do not remove this label. Inform your authorized Hioki distributor or reseller of this number if required. HIOKI ST4200B961-00...
Page 20: St4200 Screen Configuration
Return to factory default settings (system reset). [Equipment Configure communications with measuring instruments Connection] controlled by the ST4200 and devices that control the ST4200. [Information] Displays ST4200 system information. It is also possible to upgrade the firmware version.
Page 21: Preparing For Measurement
1, USB serial converter cable (commercial) 1, RS-232C cable L9637 (9 pin–9 pin) It may be necessary to install a USB driver on the ST4200 in order to use some USB serial converter cables. Install Windows 10 64-bit drivers. Connection examples...
Page 22 Connecting Communication Cables Set the IP address or COM number for each measuring instrument via the ST4200’s [System Settings] > [Equipment Connection] screens. Configure communications settings for each measuring instrument based on the settings shown on the ST4200’s [Equipment Connection] screen.
Page 23: Sw2001 And Ac Power (Insulation/Withstand Voltage Tester) Connections
(red) of L2270 Connection Cable into the high-voltage output terminal. Loosen the screws on the cable dropout prevention plate for the HIPOT TESTER terminal on the back of the SW2001. HIOKI ST4200B961-00...
Page 24 Slide down the cable dropout prevention plate until it comes in contact with the screws and locks the connectors in place. Tighten the screws on the cable dropout prevention plate. Check to ensure that the connection cable connectors cannot be removed. Power on the withstand voltage tester. HIOKI ST4200B961-00...
Page 25: Connecting The St4200 And The Sw2001
„ Failure to do so may cause the user to experience an electrical shock. CAUTION Connect the plastic connector (black) of L9218 Connection Cable to the ST4200 „ input terminal (insulated BNC connector). Connecting a metal connector to an insulated BNC connector may cause the insulated BNC connector to be damaged.
Page 26: Ac Pd Measurement
AC PD terminal and the SW2001 AC PD terminal using connection cable L9218. Connect the plastic connector (black) to the ST4200 and the metal connector to the SW2001. Connect the ST4200 AC VOLTAGE terminal and the SW2001 AC VOLTAGE terminal using the connection cable.
Page 27: Connecting The Sw2001 And The Object Under Measurement
Check to ensure that the unterminated lead cable connector cannot be removed. Connect the unterminated lead cable to the object under measurement. Connection examples Object under measurement is a neutral point- connected three-phase stator HIOKI ST4200B961-00...
Page 28: Connecting External Control Terminals
3. Confirm that the signal does not exceed the rating for external input/output. 4. Properly insulate the devices and equipment to be connected. Failure to so may cause the user to experience an electrical shock or the ST4200 to be damaged.
Page 29: How To Connect Wires
STOP Stop measurement Edge – GND potential – PASS Overall judgment: PASS – FAIL Overall judgment: FAIL – – GND potential – – Not used – – Not used – – GND potential – – GND potential – HIOKI ST4200B961-00...
Page 30: How To Assemble The Included Connector
• Connect the shielded portion to the ISO_COM terminal of the EXT. I/O. • If you have lost any of the included screws or find that any screws are damaged, please contact your authorized Hioki distributor or reseller. Required items...
Page 31: Connecting The St4200 And Pc
2.6 Connecting the ST4200 and PC Connecting the ST4200 with a PC via a LAN cable allows the ST4200 to be controlled and monitored from a PC. Connect LAN cables to the ST4200 and the LAN connector of the PC.
Page 32: Preparing Storage Devices (Recording Media)
Preparing Storage Devices (Recording Media) 2.7 Preparing Storage Devices (Recording Media) You can use the following recording media on the ST4200: SD memory cards, USB flash drives, and a built-in drive. Use only the following Hioki options, which are more reliable than their commercial equivalents.
Page 33: How To Open The Media Box
2.8 How to Open the Media Box The USB 3.0 connector in the media box is specifically for USB flash drives. Be sure to use the ST4200 with the cover closed. Before handling a USB flash drive, eliminate any static on your body.
Page 34: Zero-Adjustment
Adjust the zero positions of ST4200 input channels to suit the reference potential of the ST4200. Before executing zero-adjustment • Warm up the ST4200 for about 30 minutes after the power-on to stabilize the internal temperature of the modules before executing calibration.
Page 35: Power Supply
Power Supply 2.10 Power Supply Supply power to the ST4200 and the SW2001. Connect the power cords and ground the GND terminals. WARNING Connect the power cords to a grounded-type (2-pole) power outlet. „ If the power cords are connected to an outlet that is not grounded, the user may experience an electrical shock.
Page 36: Instruction Manual Display Function
Instruction Manual Display Function 2.11 Instruction Manual Display Function Use this function to display an HTML file of the instruction manual. [Func] > [Help] > [Instruction Manual]. HIOKI ST4200B961-00...
Page 37: Measurement Method
The measuring instrument is not damaged. If damaged, request repairs. 3.2 Choose a Measurement Mode The ST4200 has the following two measurement modes. Each measurement mode has an AC PD measurement function. Normal Mode This mode applies constant voltage to measure the magnitude of a partial discharge.
Page 38: Normal Mode
For single measurements, high-voltage output and the measurement operation will stop automatically once measurement is complete. For repeat measurements (freely running), measurement will continue until the STOP key is pressed. HIOKI ST4200B961-00...
Page 39: Pdiv Mode
This measurement is used to check for internal discharge (holes in insulation, internal delamination), creeping discharge due to insufficient coil clearance, and contamination. The partial discharge value when performing an AC PD measurement will be displayed as Qmax (repeatedly occurring maximum PD intensity). HIOKI ST4200B961-00...
Page 40: Calibration Method (Only For Ac Pd Measurement)
ON. Connection Examples 3153 SW2001 SOURCE HIGH SOURCE HIPOT TESTER ST9200 AC voltage applied ST4200 AC VOLTAGE AC PD When the object under measurement is in a Output neutral point open state terminal terminal Calibration pulse generator Choose the calibration pulse charge to be used for configuration.
Page 41 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 ST4200B961-00...
Page 42: Ac Pd Measurement (Ac Partial Discharge Measurement)
Prepare for AC PD measurement by referring to “2 Preparing for Measurement” (p. 2 1). Warming up and zero adjustment Turn on the ST4200 and SW2001 and allow them to warm up for about 30 minutes. Execute zero-adjustment for the ST4200.
Page 43: Sw2001 Configuration
SW2001 configuration Install the application software used to control the SW2001 to the PC. Download the sample application software from the Hioki website. Configure the SW2001 using the application software. You can also configure by sending commands from the PC or PLC.
Page 44: Charge Calibration
[Calibration]. Confirm that the charge value is 500 pC. Tap [Start]. Calibration will be performed. Once calibration is complete, perform operation settings for the ST4200. Stop and detach the calibration pulse generator. CAUTION Start AC PD measurement after detaching the calibration pulse generator.
Page 45: St4200 Operation Settings
The withstand voltage tester will automatically output a high voltage. Once measurement is complete, the withstand voltage tester output and ST4200 measurement will come to a halt. IMPORTANT If a discharge greater than the operation settings Qth (threshold value for distinguishing between discharge and environmental noise) is not generated, the Qmax (repeatedly occurring maximum PD intensity) on the measurement screen will be displayed as 0 pC.
Page 46 AC PD Measurement (AC Partial Discharge Measurement) HIOKI ST4200B961-00...
Page 47: Specifications
Specifications For more information on specifications, see the instruction manuals for the ST4200 and SW2001. 4.1 ST4200 Partial Discharge Detector General specifications Operating environment Indoor use, pollution degree 2, altitude: up to 2000 m (6562 ft.) ° ° ° °...
Page 48: Accuracy Specifications
ST4200 Partial Discharge Detector Measurement item • Normal Mode Repeatedly occurring maximum PD intensity (Qmax), number of PD pulses generated (m, m+, m-), PD pulse generation rate (n), voltage RMS value (Urms), peak voltage value (Up+, Up-), voltage peak to peak (Upp), average discharge current (I), discharge power (P), quadratic rate (D), PD pulse apparent charge (q), PD pulse phase angle (φ)
Page 49 SW2001-24 High Voltage Multiplexer (Specification with PD Sensor ST9200 [for AC partial discharge]) Control authority conflict When the ST4200 controls the above devices, the ST4200 has exclusive control. with host device At other times, the host device can execute command control via ST4200.
Page 50: Sw2001 High Voltage Multiplexer
• High-voltage two-terminal input IMPULSE (impulse input terminal) 8 kV peak (impulse) • Low-voltage four-terminal input LCR and RESISTANCE 30 V AC rms, 60 V DC, 42.4 V peak Rated output voltage 5 kV AC rms, 5 kV DC, 8 kV peak (impulse) HIOKI ST4200B961-00...
Page 51 Source output compatible: −4.5 V to −5.5 V Maximum output 100 mA current External power None supply input Isolation Floating from protective grounding potential and the measurement circuit Line-to-earth voltage of 33 V rms, 46.7 V AC or less peak HIOKI ST4200B961-00...
Page 52: Options
60 V DC or less, 30 V AC rms or less, 42.4 V AC peak or less Maximum rated voltage 60 V DC or less, 30 V AC rms or less, 42.4 V AC peak or less Maximum rated terminal-to- ground voltage HIOKI ST4200B961-00...
Page 53: L2255 Connection Cable
Total length: Approx. 1500 mm (59.1 in.) Dimensions Approx. 49 g (1.7 oz.) Weight 150 mA AC/DC Maximum rated current 5000 V AC/DC rms, no measurement categories Maximum rated terminal-to- Anticipated transient overvoltage: 0 V ground voltage HIOKI ST4200B961-00...
Page 54: L2271 Connection Cable
No measurement categories Maximum rated terminal-to- High side: 5 kV AC rms ground voltage BNC terminal Output terminal ± 14 mH Blocking coil inductance ± 1.33 nF Coupling capacitor capacitance 10 nF or less Tested object measurable capacitance range HIOKI ST4200B961-00...
Page 55: St9201 Pd Sensor (For Impulse Partial Discharge)
× BNC terminal 2 (Labeled as “AC PD, AC VOLTAGE”) AC partial discharge sensor output ± 14 mH Blocking coil inductance ± 1.33 nF Coupling capacitor capacitance 10 nF or less Measurable test specimen capacitance range HIOKI ST4200B961-00...
Page 56 Options HIOKI ST4200B961-00...
Page 57: Maintenance And Service
Backing up the Data The ST4200 may be initialized (returned to the factory default settings) when it is repaired. Before you ask for repairs, it is recommended to back up (save or record) the measurement conditions and waveform data.
Page 58: Replaceable Parts And Operating Lifetimes
Contact your authorized Hioki distributor or reseller. The fuse is housed in the power unit of the ST4200. If the instrument does not power on, the fuse may be blown. Customers cannot replace or repair this themselves. Contact your authorized Hioki distributor or reseller.
Page 59: Cleaning The Instrument
Regularly clean the air vents of the ST4200. „ If air vents become clogged, the internal cooling capacity of the ST4200 will be hampered, and can lead to damage to the ST4200. To clean the measuring instrument, wipe it gently with a soft cloth moistened „...
Page 60: Troubleshooting
If you would like to create reached 5,000. more files, adjust the quantity. If the cause cannot be revealed Initialize the ST4200. Settings will be restored to the factory default. See:“5.4 Initializing the ST4200 (System Reset)” (p. 6 1) HIOKI ST4200B961-00...
Page 61: Initializing The St4200 (System Reset)
Initializing the ST4200 (System Reset) 5.4 Initializing the ST4200 (System Reset) Choose settings configured on the ST4200 and restore them to the factory default. Disconnect the measurement sample. [System Settings] > [System]. The System screen is displayed. [Initialize Settings] [Initialize all].
Page 62: Message
Message 5.5 Message If any problem is found, the ST4200 screen will display an error message or warning message. It also displays an informational message with advice for usage. Action that should be taken after a message If a message remains If an error or warning message remains, check the details and tap [OK].
Page 63: Error Messages
A hardware error was detected. Immediately turn off the instrument Hardware error and request instrument repair. An error occurred during an internal process of the ST4200. Press Processing could not be the power key and tap [Shutdown] to turn off the instrument.
Page 64: Warning Messages
An unexpected error occurred while a file is being processed successfully completed. in the SD memory card or USB flash drive. Replace the storage device with another or cycle the ST4200. File processing error. The current exceeds the measurable range. Please change the "Qsen"...
Page 65: Removing The Lithium Battery
Disposal (Removing the Lithium Battery) 5.6 Disposal (Removing the Lithium Battery) The ST4200 contains a lithium battery for memory backup. When disposing of the ST4200, remove the lithium battery and dispose of the battery and instrument in accordance with local regulations.
Page 66 Right panel (4 screws) Lithium battery Handle (4 socket head screws) Do not connect the positive and negative (positive and chassis) with each other. Fastener (4 screws) Tools used : Phillips-head screwdriver (No.2) : Torx screwdriver (T10) : Hex wrench (2.5) HIOKI ST4200B961-00...
Page 67 HIOKI ST4200B961-00...
Page 68 HIOKI ST4200B961-00...

This manual is also suitable for:

St4200-50 Sw2001 Sw2001-04 Sw2001-08 Sw2001-16 Sw2001-24