ITech IT-M3140 Series User Manual
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ITech IT-M3140 Series User Manual

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Programmable DC Power
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IT-M3140 Series User Manual
Model: IT-M3140 Series
Version: V1.0/1，2023

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Summary of Contents for ITech IT-M3140 Series

  • Page 1 Programmable DC Power Supply IT-M3140 Series User Manual Model: IT-M3140 Series Version: V1.0/1，2023...
  • Page 2 CAUTION sign until the in- pose. ITECH shall not be held liable Manual Part Number dicated conditions are for errors or for incidental or indirect fully understood and met.

  • Page 3: Warranty

    Warranty ITECH warrants that the product will be free from defects in material and work- manship under normal use for a period of one (1) year from the date of delivery (except those described in the Limitation of Warranty below).

  • Page 4: Safety Symbols

    Failure to comply with these precautions or specific warn- ings elsewhere in this manual will constitute a default under safety standards of design, manufacture and intended use of the instrument. ITECH assumes no li- ability for the customer’s failure to comply with these precautions.
  • Page 5 This instrument is used for industrial purposes, do not apply this product to IT power supply system. • Never use the instrument with a life-support system or any other equipment subject to safety requirements. Copyright © Itech Electronic Co., Ltd.

  • Page 6: Environmental Conditions

    Make sure the vent hole is always unblocked. Environmental Conditions The instrument is designed for indoor use and an area with low condensation. The table below shows the general environmental requirements for the instrument. Copyright © Itech Electronic Co., Ltd.

  • Page 7: Regulation Tag

    The service life of the product is 10 years. The product can be used safely within the environmental protection period; oth- erwise, the product should be put into the recycling system. Copyright © Itech Electronic Co., Ltd.

  • Page 8: Waste Electrical And Electronic Equipment (Weee) Directive

    According to the equipment classifi- cation in Annex I of the WEEE direc- tive, this instrument belongs to the “Monitoring” product. If you want to return the unnecessary instrument, please contact the near- est sales office of ITECH. Copyright © Itech Electronic Co., Ltd.

  • Page 9: Compliance Information

    2. Connection of the instrument to a test object may produce radiations beyond the specified limit. 3. Use high-performance shielded interface cable to ensure conformity with the EMC standards listed above. Safety Standard IEC 61010-1:2010+A1:2016 Copyright © Itech Electronic Co., Ltd.

  • Page 10: Table Of Contents

    4.2.4 Set the Communication Information ............42 4.2.5 Set the TRIG± Interface Status (Trig)............42 4.2.6 Select Trigger Source(Trig Source)............. 43 4.2.7 Set the Bleeder State (Bleeder)..............43 4.2.8 Output Inhibit Control................... 44 4.2.9 View the System Information............... 45 Copyright © Itech Electronic Co., Ltd. VIII...
  • Page 11 6 Routine Maintenance ....................... 96 6.1 Instrument Self-Test....................96 6.2 Cleaning and Maintenance ..................96 6.3 Contact of ITECH Engineers ................. 97 6.4 Return for Repair....................98 A Appendix ........................100 A.1 Specifications of Red and Black Test Cables ............. 100...

  • Page 12: Quick Reference

    Fold back, UVP/OVP, UCP/OCP, OPP, OTP, inhibit protection, more secure and reliable • The Sense protection circuit combined with software and hardware can ef- fectively detect Sense reverse connection and missing connection, and pro- tect the DUT Copyright © Itech Electronic Co., Ltd.

  • Page 13: Front-Panel Overview

    Quick Reference • Standard USB/LAN, optional RS232 & analog, GPIB, easy to integrate 1.2 Front-Panel Overview All of the IT-M3140 series power supplies have the same front panels. The de- tailed descriptions are shown as below. Name Description [Shift] key Composite key, combined with other keys to realize functions marked above keys.

  • Page 14: Keyboard Introduction

    Quick Reference 1.3 Keyboard Introduction The keyboard introduction of IT-M3140 series power supplies is shown as follows. Keys Description [On/Off] Turns the instrument output on or off. When lit, indicates that the output is enabled or on. [V-set] Sets the output voltage value.

  • Page 15: Home-Screen Overview

    Turn the keyboard lock on or off. 1.4 Home-Screen Overview IT-M3140 series power supplies run a self-test automatically when it is turned on. If the self-test finishes with no errors, the screen below is displayed. Copyright © Itech Electronic Co., Ltd.

  • Page 16: Prompt Information Reference

    Indicates the output is self-locked. Indicates the instrument is running the sys- System Selftest tem selftest. Indicates the instrument is under over-cur- rent protection. Over Current Protect Indicates the instrument is under over- power protection. Over Power Protect Copyright © Itech Electronic Co., Ltd.

  • Page 17: Rear-Panel Overview

    Indicates the calibration operation is Cal Is Initing… initializing. Indicates the calibration operation is Calibration Finished! finished. 1.6 Rear-Panel Overview The detailed descriptions of the IT-M3140 series power supplies are shown as below. Copyright © Itech Electronic Co., Ltd.
  • Page 18 (Sense±) Optional expan- Optional interfaces: sion slot • IT-E176: GPIB interface • IT-E177: External analog interface and RS232 AC power input Used to connect AC power to start instrument, supports 220 V. socket Copyright © Itech Electronic Co., Ltd.

  • Page 19: Front Panel Menu Reference

    Off Delay Set the output-off delay time. External Analog Function. This function is optional. The menu Ext-Program can only display when corresponding board card is inserted. For details, see 4.5 Analogue Function (Ext-Program) (Optional). Copyright © Itech Electronic Co., Ltd.

  • Page 20: System Menu Reference

    • IP Mode Status • IP Addr • Sub Net • Gateway • DNS1 (Primary address) • DNS2 (Secondary address) • MAC Addr • Host Name • Host Desc • Domain • TCPIP INSTR Copyright © Itech Electronic Co., Ltd.
  • Page 21 Lan Save ting or not. • • When insert IT-E177 communication board into expansion RS232 slot, the menu displays this information. RS232 RS232 communication interface. Display as the following format: baud rate_data bit_parity bit_stop bit. Copyright © Itech Electronic Co., Ltd.
  • Page 22 False state. When Inhibit+ and Inhibit– are short-circuited, the Inhibit± control port input is in the False state, and Inverted if it is not short-circuited, it is in the True state. Copyright © Itech Electronic Co., Ltd.

  • Page 23: Protect Function Menu Reference

    The maximum output voltage setting value. U-Max The minimum output voltage setting value. U-Min Over-voltage protection. Turn the OVP function off. Turn the OVP function on. Over-voltage limit. Level Delay Delay time. Over-current protection. Copyright © Itech Electronic Co., Ltd.

  • Page 24: Advanced Function Menu Reference

    Press [Shift]+[I-set] (Function) to enter into the function menu interface. The main functions of function menu are listed in the table below. Please refer to the corresponding sections for the detailed information about each function. Copyright © Itech Electronic Co., Ltd.

  • Page 25: Models And Options

    • Optional interface card – IT-E176: Interface card for GPIB communication. When users need to use GPIB communication, they can choose to purchase this accessory. For details, see 2.6.3 GPIB Interface. Copyright © Itech Electronic Co., Ltd.
  • Page 26 Other- wise, the function is abnormal and cannot be used. 8 / 9 Terminals for external analog function. For details, see Analogue Function (Ext-Program) (Optional). not used Copyright © Itech Electronic Co., Ltd.
  • Page 27 Quick Reference • Optional mounting kit IT-M3140 series can be installed on standard 19-inch brackets. ITECH has prepared the IT-E158 bracket as a mounting kit for users. Copyright © Itech Electronic Co., Ltd.

  • Page 28: Inspection And Installation

    It is the test report of the instrument Report before delivery. Communication IT-E176/ IT-E176 (GPIB communication card) card (optional) ITE177 and IT-E177 (Analog/RS232 com- munication card) are nonstandard accessories. The actual delivery quantity is subject to the user's order. Copyright © Itech Electronic Co., Ltd.

  • Page 29: Instrument Size Introduction

    2.2 Instrument Size Introduction The instrument should be installed at well-ventilated and rational-sized space. Please select appropriate space for installation based on the power supply size. The detailed sizes are shown as below. IT-M3145 Copyright © Itech Electronic Co., Ltd.

  • Page 30: Rack Mounting

    Inspection and Installation 2.3 Rack Mounting This instrument can be installed on standard 19-inch rack. ITECH has prepared the IT-E158 bracket as a mounting kit for users. Users can select the corre- sponding bracket manual for installation according to the specific bracket model purchased.

  • Page 31: Connecting The Device Under Test (Dut)

    DUT: Local measurement and Remote sensing. This series power supplies in- clude built-in circuit that connect or disconnect the ± sense terminals from their corresponding ± output terminals. As shipped, the sense terminals are internally Copyright © Itech Electronic Co., Ltd.
  • Page 32 For specifications of test cables and maximum current values, refer A.1 Appendix→Specifications of Red and Black Test Lines for more information. Copyright © Itech Electronic Co., Ltd.
  • Page 33 When the DUT consumes large current or the wires are too long, there is a volt- age drop on the wires between the DUT and output terminal of the power sup- ply. To maximize measurement accuracy, you can use remote sense wire Copyright © Itech Electronic Co., Ltd.
  • Page 34 When maximum current that one test cable can withstand fails to meet the current rated current, use multiple pieces of red and black test cables. For example, the maximum current is 1,200 A, then 4 pieces of 360 A red and black cables are required. Copyright © Itech Electronic Co., Ltd.

  • Page 35: Connect The Communication Interface

    1. Refer to the USB connection diagram, Connect the power supply and the computer using a cable with two USB interfaces (each end). 2. Select the USB interface type in the system menu. a. Press [Shift]+[Save] (System) to enter into the system menu interface. Copyright © Itech Electronic Co., Ltd.

  • Page 36: Lan Interface

    TMC: USB_TMC interface. • VCP: virtual serial port. For Win7 system, you can download IT- M3140 VCP driver from ITECH official website or contact technical support engineer; for Win10 system, you do not need to install VCP driver. d. After finishing the setting, press [Esc] to exit.
  • Page 37 IP address using AutoIP. AutoIP automatically assigns an IP address, Subnet Mask, and De- fault Gateway addresses on networks that do not have a DHCP server. Copyright © Itech Electronic Co., Ltd.
  • Page 38 4. Use left and right keys or rotate the knob to select Lan Config and press [Enter] key to confirm. The first displayed menu item IP Mode is to configure the instrument address. Copyright © Itech Electronic Co., Ltd.
  • Page 39 The operation steps to view the LAN interface information are as follows. 1. Press [Shift]+[Save] (System) to enter into the system menu interface. 2. Use left and right keys or rotate the knob to select Comm and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.
  • Page 40 Press the Enter key, the Web interface will appear in the browser as shown be- low. The following figure is just as an example and the Web interface of different models are different. The actual shown page shall be subject to the connected instrument. Copyright © Itech Electronic Co., Ltd.

  • Page 41: Gpib Interface

    Information: displays the serial number of the instrument and more system information as well as LAN configuration parameters; • Manual: go to the ITECH official website and view or download the relevant documents; 2.6.2.2 Using Sockets The instruments allow up to six simultaneous socket connec- tions to be made.

  • Page 42: Rs232 Interface

    When the optional interface card is RS232 interface (IT-E177), the following can help users quickly understand the steps required to connect the RS232 inter- face. The figure below shows a typical RS232 interface system that connects to your computer using an RS232 cable. Copyright © Itech Electronic Co., Ltd.
  • Page 43 The RS232 interface parameters are as follows. Name Description Baud rate Select the baud rate from the following options: 4800, 9600, 19200, 38400, 57600, 115200 Data Bit 8 (fixed) Copyright © Itech Electronic Co., Ltd.
  • Page 44 • The cable must be connected to the correct serial ports (COM1, COM2, etc) of PC. Copyright © Itech Electronic Co., Ltd.

  • Page 45: Getting Started

    AC input power to the unit. Power Switch Introduction The power switch is located in the lower left corner of the front panel. The power switch is a button, and pressing once indicates ON and pressing again indicates OFF. Copyright © Itech Electronic Co., Ltd.
  • Page 46 Wait until the power is turned off and then start again. If the problem still cannot be solved after restart- ing, please contact the ITECH engineer. Common error messages are shown in the following table:...

  • Page 47: Set The Output Voltage

    Press [Enter] to change the current menu item to the state to be edited, or select a command and move to the next level in the menu. In addition, after changing the setting you need to press [Enter] to save. Copyright © Itech Electronic Co., Ltd.

  • Page 48: Output On/Off Control

    [On/Off] key light goes out. When the power supply is in the output-off state, the VFD displays that the power supply state is OFF. When the power supply is in the output-on state, the VFD displays that the power supply state switches to CC or CV. Copyright © Itech Electronic Co., Ltd.

  • Page 49: Functions And Features

    ♦ Protection Function ♦ List Function ♦ Analogue Function (Ext-Program) (Optional) IT-M3140 series power supplies have the following three operating modes: • Fixed mode: This is the default mode when the power supply is powered on. In fixed mode, the output parameters, protection function and such regular operations all can be set.

  • Page 50: Set The Output-On/Output-Off Delay Time

    The procedures to set the output timer are as follows. 1. Press [Shift]+[V-set](Config) to enter into the configuration menu interface. 2. Use knob or left and right keys to select Timer and press [Enter] to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 51: Set The Internal Resistance

    3. Rotate the knob to adjust the value. • On: default value, indicates the beeper is on. • Off: indicates the beeper is off. 4. Press [Enter] key to confirm. At this point, the beeper sound operation immediately becomes valid. Copyright © Itech Electronic Co., Ltd.

  • Page 52: Set The Power-On State

    This menu item is used to switch the power supply to local sensing or remote sensing. IT-M3140 series power supplies support two connection methods between power supply and device under test (DUT): Local sensing and Remote sensing. The remote sensing is used for maximizing measurement accuracy. (Refer to 2.5 Connecting the Device Under Test (DUT)

  • Page 53: Set The Communication Information

    Out: When the trigger source is set to Keypad or Bus and the trigger hap- pens, the TRIG± interface generates a high pulse trigger signal. The procedures to set the menu item are as follows. 1. Press [Shift]+[Save] (System) to enter into the system menu interface. Copyright © Itech Electronic Co., Ltd.

  • Page 54: Select Trigger Source(Trig Source)

    Bleeder to Off to discon- nect the bleeder circuit to avoid this problem. Turning off the Bleeder can omit the diode which is used to prevent re- verse current during battery testing. Copyright © Itech Electronic Co., Ltd.

  • Page 55: Output Inhibit Control

    3. Rotate the knob to select Off or On and press [Enter] key to confirm. 4.2.8 Output Inhibit Control The IT-M3140 series power supply rear panel provides an output Inhibit inter- face Inhibit±, which can disable the power output to prevent the power supply from being operated incorrectly during the test and causing damage to the DUT.

  • Page 56: View The System Information

    4.2.10 Restore the Factory Default Settings This menu item is used to restore the factory default settings. The procedures to set the menu item are as follows. 1. Press [Shift]+[Save] (System) to enter into the system menu interface. Copyright © Itech Electronic Co., Ltd.
  • Page 57 0.0mΩ I-Rise Time 0.1S I-Fall Time 0.1S Timer Time 1.0 S On Delay 0.000 S Off Delay 0.000 S System menu Beep Power On Reset Sense USB mode IP Addr 192.168.200.100 Sub Net 255.255.255.0 Copyright © Itech Electronic Co., Ltd.
  • Page 58 OPP Level OPP Delay 10.00 S UVP Mode UVP Level 0.00 V UVP Delay 10.00 S UVP Warm 30.00 S UCP Mode UCP Level 0.000 A UCP Delay 10.00 S UCP Warm 30.00 S Copyright © Itech Electronic Co., Ltd.

  • Page 59: Switch Local/Remote Mode

    The voltage setting value; • The current setting value. You can do the save and recall operations by the following two methods. • Front panel keys: [Save] and [Recall]； • SCPI command: *SAV and *RCL. Copyright © Itech Electronic Co., Ltd.

  • Page 60: Protection Function

    To avoid causing damage to the DUT, after you set the U-Max and U-Min, the setting value from the [V-set] key on the front panel can’t exceed the setting limit. The operation steps are as follows. Copyright © Itech Electronic Co., Ltd.

  • Page 61: Set Over-Voltage Protection

    3. Use left and right keys or rotate the knob to select On and press [Enter] key to confirm. 4. Rotate the knob to adjust the over-voltage limit Level and press [Enter] key to confirm. Copyright © Itech Electronic Co., Ltd.

  • Page 62: Set Over-Current Protection

    The buzzer sounds intermittently; • The interface displays “Over Current Protect” and flashes; • Status register, the OC status bit is set to 1. Enable OCP 1. Press [Shift]+[Recall] (Protect) to enter Protect menu interface. Copyright © Itech Electronic Co., Ltd.

  • Page 63: Set Over-Power Protection

    When over-power protection occurs, the instrument responds as follows: • Instrument output is off; • The buzzer sounds intermittently; • The interface displays “Over Power Protect” and flashes; Copyright © Itech Electronic Co., Ltd.

  • Page 64: Set Under-Voltage Protection

    UVP condition disable the output when they occur would be a nuisance. Specifying an UVP delay lets the UVP circuit ignore these momentary changes during the specified Copyright © Itech Electronic Co., Ltd.

  • Page 65: Set Under-Current Protection

    The output time exceeds the warm-up time; Warm-up time Warm Up — You can specify the warm-up time for UCP pro- tection to make the instrument not judge the under-current protection fault within the specified warm-up time. Copyright © Itech Electronic Co., Ltd.

  • Page 66: Over-Temperature Protection

    Protect” displayed in front panel is cleared and the instrument exits UCP status. 4.3.7 Over-Temperature Protection To prevent damaging heat build-up and ensure specified performance, make sure there is adequate ventilation and air flow around the instrument to ensure Copyright © Itech Electronic Co., Ltd.

  • Page 67: Set Foldback Protection

    Press [On/Off] key to turn the output on. When you return power to the instrument, verify that the cooling fan is running. If not, please contact ITECH. Leaving the instru- ment turned on with the failure message displayed or with an in- operative cooling fan may result in damage to the instrument.

  • Page 68: List Function

    Turn the list mode off. Select a list program to view. Recall List List Setup View the setting parameters of the selected list program. View Step Select the desired step to view. Edit list program. Edit List Copyright © Itech Electronic Co., Ltd.

  • Page 69: Edit List Program

    Copy File X Copy list program. to X 4.4.1 Edit List Program You can use the list program to perform a variety of output waveform simula- tions. The execution flowchart of list program is as follows. Copyright © Itech Electronic Co., Ltd.
  • Page 70 To the left of the slash is the desired step number to be edited and to the right of the slash is the total steps number of the list program. The total num- ber of steps changes by the addition of the number of steps in the editing process. Copyright © Itech Electronic Co., Ltd.

  • Page 71: Copy List Program

    4.4.3 View List Program Before selecting and running the list program, you can view the related parame- ters and each step of the existed list program. The operation steps to view the list program are as follows. Copyright © Itech Electronic Co., Ltd.

  • Page 72: Run List Program

    Stop running: During the running of List, you can press [Shift]+[I-set] (Func- tion) to enter the Function menu and set the Run List as Off to stop running. Otherwise, the List waveform cannot be edited while the List is running. Copyright © Itech Electronic Co., Ltd.

  • Page 73: Analogue Function (Ext-Program) (Optional)

    The analog function interface is located on the optional IT-E177. The pins de- scription is as below. Pins Name Type Description 1, 2, 3 TXD, Commu- RS232 interface connection terminal. RXD, nication DGND terminal Ground Ground for analog inputs and outputs. V-Monitor Analog Voltage monitor signal. Copyright © Itech Electronic Co., Ltd.
  • Page 74 Set the parameters of channel 1 (Vset). Indicates the slope factor of channel 1. Indicates the offset of channel 1. Set the parameters of channel 2 (Iset). Indicates the slope factor of channel 2. Indicates the offset of channel 2. Copyright © Itech Electronic Co., Ltd.
  • Page 75 The maximum value of the output voltage, and V >V out2 out2 out1 The minimum value of the output current. out1 The maximum value of the output current, and I >I out2 out2 out1 • Vset • Iset Copyright © Itech Electronic Co., Ltd.
  • Page 76 Use knob or Up/Down key to select Ext-Program and press [Enter]. c. According to step 2, set Mx and Mb of the corresponding pins. d. Set the Ext-Program→On / Off to On to turn on the analog function. Copyright © Itech Electronic Co., Ltd.
  • Page 77 4. The connection method is as shown below. The voltage reading from 0 to 10V corresponds to the zero to full-scale voltage/current measuring of the instrument. The connection diagram is as shown below. Copyright © Itech Electronic Co., Ltd.

  • Page 78: Technical Specification

    Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Voltage ≤0.03% + 0.02%F.S. Read Back Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Vp-p typical value≤70MV(MAX: ≤70MV) Ripple（20hz-20Mhz） typical value≤150MA(MAX: ≤150MA) Irms Copyright © Itech Electronic Co., Ltd.
  • Page 79 Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense re- Protective Function verse connection protection Standard: USB, LAN Standard Interface Optional: RS232&analog, GPIB Isolation ( output to ground) 600VDC Isolation (input to ground) 2200VDC Copyright © Itech Electronic Co., Ltd.

  • Page 80: M3142

    Read Back Resolution Current 10mA Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Voltage ≤0.03% + 0.02%F.S. Read Back Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Ripple（20hz-20Mhz） Vp-p typical value≤100 MV(MAX: ≤100MV) Copyright © Itech Electronic Co., Ltd.
  • Page 81 Maximum Input Apparent Power 3700kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Standard: USB, LAN Standard Interface Optional: RS232&analog, GPIB Isolation ( output to ground) 600VDC Copyright © Itech Electronic Co., Ltd.

  • Page 82: M3143

    Power 0.1W Voltage 10mV Read Back Resolution Current 10mA Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Voltage ≤0.03% + 0.02%F.S. Read Back Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 83 Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 3700kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense re- Protective Function verse connection protection Standard: USB, LAN Standard Interface Optional: RS232&analog, GPIB Copyright © Itech Electronic Co., Ltd.

  • Page 84: M3144

    Setup Resolution Current Power 0.1W Voltage 10mV Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Voltage ≤0.03% + 0.02%F.S. Read Back Accuracy Current ≤0.1% + 0.1%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 85 Remote Sense Compensation Voltage ≤3V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 3700kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 86: M3145

    Current ≤7MA Voltage 10mV Setup Resolution Current Power 0.1W Voltage 10mV Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 87 Remote Sense Compensation Voltage ≤6V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 3700kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 88: M3146

    Current ≤4MA Voltage 0.1V Setup Resolution Current Power 0.1W Voltage 0.1V Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 89 Remote Sense Compensation Voltage ≤6V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 3700kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 90: M3147

    Current ≤4MA Voltage 0.1V Setup Resolution Current Power 0.1W Voltage 0.1V Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 91 Remote Sense Compensation Voltage ≤6V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 3700kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 92: M3131E

    Current ≤70MA Voltage Setup Resolution Current 10mA Power 0.1W Voltage Read Back Resolution Current 10mA Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 93 Remote Sense Compensation Voltage ≤3V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 2300kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 94: M3132E

    Voltage 10mV Setup Resolution Current 10mA Power 0.1W Voltage 10mV Read Back Resolution Current 10mA Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 95 Remote Sense Compensation Voltage ≤3V Command Response Time Power Factor 0.98 Maximum Input Current Maximum Input Apparent Power 2300kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 96: M3133E

    Voltage 10mV Setup Resolution Current 10mA Power 0.1W Voltage 10mV Read Back Resolution Current 10mA Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 97 Remote Sense Compensation Voltage ≤3V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 2300kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 98: M3134E

    Current ≤10MA Voltage 10mV Setup Resolution Current Power 0.1W Voltage 10mV Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 99 Remote Sense Compensation Voltage ≤3V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 2300kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense re- Protective Function verse connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 100: M3135E

    Current ≤7MA Voltage 10mV Setup Resolution Current Power 0.1W Voltage 10mV Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 101 Remote Sense Compensation Voltage ≤6V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 2300kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense reverse Protective Function connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 102: M3136E

    Current ≤4MA Voltage 0.1V Setup Resolution Current Power 0.1W Voltage 0.1V Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 103 Remote Sense Compensation Voltage ≤6V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 2300kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense re- Protective Function verse connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 104: M3137E

    Current ≤4MA Voltage 0.1V Setup Resolution Current Power 0.1W Voltage 0.1V Read Back Resolution Current Voltage ≤0.03% + 0.02%F.S. Setup Accuracy Current ≤0.1% + 0.1%F.S. Power ≤0.5%F.S. Read Back Accuracy Voltage ≤0.03% + 0.02%F.S. Copyright © Itech Electronic Co., Ltd.
  • Page 105 Remote Sense Compensation Voltage ≤6V Command Response Time Power Factor 0.99 Maximum Input Current Maximum Input Apparent Power 2300kVA Storage Temperature -10℃～70℃ OVP, OCP, OTP, OPP, UVP, UCP, Sense re- Protective Function verse connection protection Copyright © Itech Electronic Co., Ltd.

  • Page 106: Supplemental Characteristics

    IEC 61010 Cooling 　213W*450D*88H Bare metal size ( mm) Whole machine size ( mm) 255W*530D*109H Weight( net) （8±1）kg 5.2 Supplemental Characteristics State storage capacity: 10 sets Recommended calibration frequency: once a year Cooling style: fans Copyright © Itech Electronic Co., Ltd.

  • Page 107: Routine Maintenance

    During self-test, errors may be induced by signals present on ex- ternal wiring, such as long test leads that can act as antennae. 6.2 Cleaning and Maintenance To ensure the safety function and performance of the instrument, please clean and maintain the instrument properly. Copyright © Itech Electronic Co., Ltd.

  • Page 108: Contact Of Itech Engineers

    If there are still some problems, carefully read the Warranty and Limitation of Warranty in the preface of the manual. Confirm that your instrument complies with warranty service conditions. If after your warranty expires, ITECH offers re- pair services at competitive prices.

  • Page 109: Return For Repair

    4006-025-000 for technical support and services. 6.4 Return for Repair If your instrument fails during the warranty period, ITECH will repair or replace it under the terms of your warranty. After your warranty expires, ITECH offers re- pair services at competitive prices. Also you can purchase an extended mainte- nance service contract that exceeds the standard warranty period.
  • Page 110 ITECH recommends that you retain the original shipping carton for return ship- ments and always insure shipments. To ship the unit to ITECH for service or repair: 1. Download the ITECH maintenance service application from our website, complete it and place it in the box with the instrument.

  • Page 111: A Appendix

    ♦ Specifications of Red and Black Test Cables A.1 Specifications of Red and Black Test Cables ITECH provides you with optional red and black test cables, which are sold indi- vidually and you can select for test. For specifications of ITECH test cables and maximum current values, refer to the table below.
  • Page 112 Larger diameter wire sizes will help minimize wire voltage drops. Twisting or bundling wires will help reduce transient voltage drops. Copyright © Itech Electronic Co., Ltd.
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