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5.1 External Input/Output Connector and Signals

43

Input Signals

Output Signals

Signal Descriptions

EX24V)

External power source input

TRIG

External trigger input signal

C.CHECK

Contact check input signal

OPEN_IR

Fixture resistance open correction execution signal

OPEN_CX

Fixture capacitance open correction execution signal

EOM

This signal indicates the end of a measurement.

Output data is acquired when this signal changes to low.

INDEX

This signal indicates that A/D conversion in the measurement circuit is com-

plete. Sample switching is performed when this signal changes to low.

NO CONTACT

Contact check judgment results

LO

Comparative measurement results (LOW)

IN

Comparative measurement results (IN)

HI

Comparative measurement results (HIGH)

ALARM

Instrument malfunction

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Summary of Contents for SM7810

Page 1: ...TESTER Instruction Manual SM7810 20 March 2012 Revised edition 1 SM7810A981 01 12 03H SM7810 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Page 2: ...ion Procedures 11 2 2 Connecting the Power Cord 12 2 3 Connecting the Measurement Cables 13 2 4 Connecting the Measurement Power Source 14 2 5 Turning the Power On and Off 15 Chapter 3 Setting Measurement Conditions______________ 17 3 1 Pre Operation Inspection 17 3 2 Setting Measurement Conditions 18 Chapter 4 Communication GP IB RS 232C Interface ______ 19 4 1 Overview and Features 19 4 2 Specif...

Page 3: ... Chapter 6 Specifications______________________________49 6 1 General Specifications 49 6 2 Basic Specifications 50 6 3 Functions 51 6 4 Measurement Specifications 54 6 5 Input Output Functions Interface for External Control 57 Chapter 7 Maintenance and Service ____________________59 7 1 Troubleshooting 59 Inspection and Repair 59 7 2 Replacing the Power Fuse 60 7 3 Error Displays 61 7 4 Cleaning ...

Page 4: ...damage is evident or if it fails to operate according to the specifications contact your dealer or Hioki representative Options Model 9637 RS 232C Cable 9pin 9pin Cross 1 8m Model 9638 RS 232C Cable 9pin 25pin Cross 1 8m Model 9151 02 GP IB Connector Cable 2 m Introduction Confirming Package Contents Confirm that these contents are provided Model SM7810 SM7810 20 Super MΩ HiTester 1 Model SM7810 R...

Page 5: ...ts Safety Symbols In the manual the symbol indicates particularly important information that the user should read before using the instrument The symbol printed on the instrument indicates that the user should refer to a corresponding topic in the manual marked with the symbol before using the relevant function Indicates that dangerous voltage may be present at this terminal Indicates a fuse Indic...

Page 6: ...UP Bold characters Bold characters within the text indicate operating key labels p Indicates the location of reference information CAT I Secondary electrical circuits connected to an AC electrical outlet through a transformer or similar device CAT II Primary electrical circuits in equipment connected to an AC electrical outlet by a power cord portable tools household appliances etc CAT II covers d...

Page 7: ...tions Preliminary Checks Instrument Installation Avoid the following locations that could cause an accident or damage to the instrument Exposed to direct sun light Exposed to high tem perature In the presence of corrosive or explosive gases Exposed to water oil other chemicals or solvents Exposed to high hu midity or condensa tion Exposed to strong electromagnetic fields Near electromagnetic radia...

Page 8: ...shock so contact your dealer or Hioki representative for replacements Avoid stepping on or pinching cables which could damage the cable insula tion To avoid breaking the cables do not bend or pull them To avoid damaging the power cord grasp the plug not the cord when unplug ging it from the power outlet Keep the cables well away from heat sources as bare conductors could be exposed if the insulati...

Page 9: ...ement Precautions The maximum input voltage and maximum rated voltage to earth are 1000 VDC If their voltages are exceeded this instrument will be damaged and personal injury will result Therefore do not input signals in excess of these values To avoid electrical hazards and damage to the instrument do not apply voltage exceeding the rated maximum to the voltage input terminal ...

Page 10: ...ing system High speed insulation resistance measurement The instrument is a high sensitivity ammeter for use in in sulation resistance measurement applications The time from trigger activation to index output is as little as 7 ms TRIG INDEX Judgment 7 ms min C C Measu rement Machine cycle 8 channel simultaneous measurement The instrument can measure 8 channels simulta neously boosting production v...

Page 11: ... times Having been converted into digital data measurement block output is sent to the control block D memory The control block D performs arithmetic processing on measurement data that has been input to its memory and sends output to the instrument s LCD screen and interfaces Operating Principles and Block Diagram Current voltage converter A D converter Measuring interface Control unit EXT I O is...

Page 12: ...ages 1 3 Screen Layout p 10 The scroll keys are also used to set the GP IB address p 23 Rear Panel GND terminal Serves as the ground terminal The GND terminal is connect ed to the instrument s enclo sure It is used when shielding measurement cables Power inlet Connect the supplied power cord here p 12 POWER switch Turns the instrument on and off p 15 Power On Power Off GP IB connector Connect to a...

Page 13: ...be selected directly by sending the PAG command from the GP IB or RS 232C interface See Message List PAG p 38 1 3 Screen Layout Screen P1 Measured value display Screen P2 Contact check results display Screen P3 Operating condition display Measurement speed Trigger delay time Averaging settings Contact check measurement values Judgment Measurement voltage Measurement values GP IB address Channel Me...

Page 14: ... measurement cables p 13 Turn the power on p 15 7 Connect the external interface as needed 5 Using the GP IB or RS 232C interface p 19 Using the EXT I O p 41 Connect the power cord p 12 2 3 2 3 5 Make instrument settings p 18 via the external interface 8 Connect the instrument to the measurement line p 14 4 Be sure to complete the pre oper ation inspection p 17 before starting measurement 6 When f...

Page 15: ...ly to a 3 contact two conduc tor ground outlet Before using the instrument make sure that the insulation on the power cord is undamaged and that no bare conductors are improperly exposed Using the instrument in such conditions could cause an electric shock so contact your dealer or Hioki representative for replacements To avoid damaging the power cord grasp the plug not the cord when unplug ging i...

Page 16: ...ut terminals The current input terminals incorporate a two tiered design with both center and outer conductors The center conductors are connected to measurement input while the outer conductors are connected to guard signals Because the instrument performs high sensitivity current measurement noise occurring on the measurement cables may prevent measured values from sta bilizing Use low noise shi...

Page 17: ...turned off do not apply voltage to the voltage input terminals Doing so may damage the instrument Rear Panel 1 Confirm that the instrument is turned off 2 Connect the included voltage input connector to the voltage input termi nal on the rear of the instrument Voltage input terminal This insulation measuring instrument requires an external measurement power source provided by the operator HIOKI of...

Page 18: ...the instrument will light up When the power is turned on the same setting as when the power was last turned off appears backup function When powered up for the first time the instrument will be configured with its default settings However the LCD screen is not backed up Before Starting Measurement To obtain precise measurements provide about 60 minutes warm up after turning power on Before turning...

Page 19: ...2 5 Turning the Power On and Off 16 ...

Page 20: ...ive Peripheral Device Inspection If damage is evident request re pairs Yes Is damage to the instrument evident When turning power on Do the HIOKI SM7810 and version num ber indications appear on the display area No 2 The power cord may be damaged or the instrument may be damaged in ternally Request repairs No Yes Inspection complete Please read the Operating Precautions p 4 before use Use of a sup...

Page 21: ... Power source frequency Selects the power source frequency 50 60 Hz p 34 Measurement voltage Sets the measurement voltage Setup ranges 0 1 to 1000 0 V 0 1 V resolution p 35 Fixture capaci tance open cor rection function Measures the capacitance value with the fixture in the open state The fixture capacitance open correction function can be used to increase measurement precision by decreasing the e...

Page 22: ...ecified format The instrument provides standard communication functionality in the form of GP IB and RS 232C interfaces both of which can be used to control the instrument remotely and to transfer data This instrument is designed with reference to the following standard Reference standard IEEE 488 1 1987 Communication GP IB RS 232C Interface Chapter 4 Wiring Diagram p 21 Connect the Instrument and...

Page 23: ...ction with MTA My Talk Address SR1 All Service Request functions RL1 All Remote Local functions PP0 Parallel Poll function DC1 All Device Clear functions DT1 All Device Trigger functions C0 Controller functions E2 Tri state output Transfer method Communications Full duplex Synchronization Start stop synchronization Baud rate 38400 bps Data length 8 bits Parity none Stop bit 1 bit Flow control none...

Page 24: ...o avoid damage to the instrument do not short circuit the terminal and do not input voltage to the terminal Using the GP IB Interface Rear Panel Recommended cable HIOKI Model 9151 02 GP IB Connector Cable 2 m Using the RS 232C Interface 6 7 8 9 1 2 3 4 5 Rear Panel Male 9 pin D sub 4 40 attaching screws Pin No Signal Name Code Addr Mutual connection circuit name Remarks EIA JIS 1 DCD CF CD Carrier...

Page 25: ... crossover cable with female 9 pin D sub connectors Recommended cable HIOKI Model 9637 RS 232C Cable 1 8 m Crossover Wiring Female 9 pin D sub Model SM7810 SM7810 20 end Female 9 pin D sub PC AT end Pin No Pin No DCD 1 1 DCD RxD 2 2 RxD TxD 3 3 TxD DTR 4 4 DTR GND 5 5 GND DSR 6 6 DSR RTS 7 7 RTS CTS 8 8 CTS RI 9 9 RI ...

Page 26: ...ss can be set from the P1 P2 or P3 screen Screen P1 Measured value display 3 When finished making the setting turn off the instrument 4 Turn on the instrument The instrument will revert to the initial screen and the GP IB address will be set to the selected address 2 Using the scroll keys PAGE UP PAGE DOWN set the desired address Valid setting range 1 to 30 Configuring RS 232C Interface Communicat...

Page 27: ...mmands end with a question mark 2 Message delimiter terminator This instrument recognizes the following input message delimiters CR LR with EOI LF with EOI CR with EOI EOI CR LF LF Response Messages 1 Response Messages When a query message is received its syntax is checked and a response mes sage is generated 2 Message delimiter terminator The following three response message delimiters can be spe...

Page 28: ...is on this field is set to the result 0 to 2 0 High The measured value was greater than the upper limit reference value 1 IN The measured value fell within the range defined by the upper and lower limits 2 LOW The measured value was less than the lower limit reference value e Delimiter The output message delimiter can be specified with the DLM command 1 d ddddE dd d d 2 d ddddE dd d d a b c d a b ...

Page 29: ...sting of both a header and data the header is separated from the data by a space ASCII code 20H 3 Data Separator In a message containing multiple data items commas are required to separate the data items from one another Data Formats Query messages use the formats outlined in Table 1 The format is selected according to the command Table 1 Response Messages and Parameter Data Types Data type Descri...

Page 30: ...ed by the mask is set bit 6 MSS the Master Summary Status of the Status Byte Register is also set which generates an SRQ Service Request message and dispatches a service request Status Byte Register bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 ERR RQS ESB MAV DSB unused unused unused MSS bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 ERR x ESB MAV DSB unused unused unused Logical sum Status By...

Page 31: ...uery and is not cleared until the event is cleared by a command such as a CLS command Service Request Enable Register SRER __________________________ This register masks the Status Byte Register Setting a bit of this register to 1 enables the corresponding bit of the Status Byte Register to be used Bit 7 ERR Unrecoverable error Bit 6 RQS Set to 1 when a service request is dispatched MSS This is th...

Page 32: ...ta parameters Invalid parameter format Received a command not supported by the instrument Bit 4 EXE Execution Error This bit is set to 1 when a received command cannot be executed for some reason The specified data value is outside of the set range The specified setting data cannot be set Execution is prevented by some other operation being performed Bit 3 DDE Device Dependent Error This bit is se...

Page 33: ...enabled by its corresponding event status enable register is set to 1 bit DSB of the Status Byte Register is set to 1 Device Event Status Registers are cleared in the following situations When a CLS command is executed When an Event Status Register query DSR is executed When the instrument is powered on bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 PON URQ CME EXE DDE QYE RQC OPC bit 7 bit 6 bit...

Page 34: ...Enable Reg ister DESER bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 BOV BFL STP ITL LM2 LM1 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 BOV BFL STP ITL LM2 LM1 Device Event Status Enable Register DESER bit 3 DSB Status Byte Register STB Logical sum Device Event Status Register DESR ...

Page 35: ...d RAM Error Register structure Bit No Name Event status indicated by set bit Bit 7 Unused Bit 6 MLE Message Length Error Set when the message length exceeds the allowable range The bit is reset after the register is read Bit 5 HDE Message Header Error Set when an unrecognizable message header is received The bit is reset after the register is read Bit 4 DFE Data Format Error Set when the number of...

Page 36: ... Format DLM d1 d1 NR1 format DLM Delimiter query The contents of responses are the same as the settings Format DLM Response d1 Measurement value indication MOD Measurement mode setting d1 Mode 0 to 1 0 Resistance measurement mode 1 Current measurement mode Format MOD d1 d1 NR1 format MOD Measurement mode query The contents of responses are the same as the settings Format MOD Response d1 Measuremen...

Page 37: ...ing d1 time 0 to 9999 Format DLY d1 d1 NR1 format DLY Trigger delay time ms query The contents of responses are the same as the settings Format DLY Response d1 Averaging AVE Averaging setting d1 Selection 0 to 2 0 OFF Disables averaging 1 ON Enables count averaging 2 AUTO Enables automatic averaging d2 Measurement count 1 to 256 default value 1 Format AVE d1 d2 d1 NR1 format d2 NR1 format AVE Aver...

Page 38: ...H4 measurement voltage query The contents of responses are the same as the settings Format VM4 Response d1 VM5 CH5 measurement voltage setting d1 0 1 to 1000 0 V Format VM5 d1 d1 NR2 format VM5 CH5 measurement voltage query The contents of responses are the same as the settings Format VM5 Response d1 VM6 CH6 measurement voltage setting d1 0 1 to 1000 0 V Format VM6 d1 d1 NR2 format VM6 CH6 measure...

Page 39: ...contact check results and capacitance as a response Format d1 Operation specification 0 Returns the most recent contact check execution results and capacitance value without performing a contact check 1 Performs a contact check and returns the results and capac itance Response d1 CH1 results 0 to 1 d2 CH1 capacitance 0 to 99 9 d3 CH2 results 0 to 1 d4 CH2 capacitance 0 to 99 9 d5 CH3 results 0 to ...

Page 40: ...se the current settings to be applied Note The d2 d3 and d4 parameters are valid even when compar ison execution is set to OFF They will be saved as the current settings Format CMP d1 d2 d3 d4 d1 NR1 format d2 NR1 format d3 NR3 format d4 NR3 format CMP Comparative measurement mode query The contents of responses are the same as the settings Format CMP Response d1 d2 d3 d4 Fixture resistance open c...

Page 41: ...Measurement data query d1 Format specification 0 to 2 0 Fundamental waveform 1 Measured value only 2 Comparison results only Note When the comparative measurement function is OFF no query is returned even if the RTD 2 command is executed For more information about the response see Measure ment data format p 25 Format RDT d1 Response d1 NR1 format MTG Manual trigger d1 Format specification 0 to 2 m...

Page 42: ...1 d1 NR1 format ESE Standard event status enable register query The contents of responses are the same as the settings Format ESE Response d1 NR1 format ESR Standard event status register query d1 0 to 255 Note Register contents are cleared when the response is output Format ESR Response d1 NR1 format OPC Sets the standard event status register s OPC bit after all ongoing operations have completed...

Page 43: ...r Register s MLE Message Length Error bit will be set The output buffer uses a FIFO design with older data being read first Conse quently the read value may differ from the expected value under certain circum stances for example if no response is acquired after issuing a query Additionally the output buffer is 511 bytes in size If data in excess of 511 bytes is written to the buffer it will be dis...

Page 44: ...or Always turn off the power to the instrument and to any devices to be con nected before making connections During operation a wire becoming dislocated and contacting another conductive object can be serious hazard Ensure that the cable is securely attached to the EXT I O connector Ensure that devices and systems to be connected to the EXT I O connec tor are properly isolated To avoid damage to t...

Page 45: ...26 COM 2 EXT_DCV2 24V IN 27 EXT_DCV2 24V IN 3 TRIG IN 28 OPEN_IR IN 4 C CHECK IN 29 OPEN_CX IN 5 Reserved 30 Reserved 6 Reserved 31 Reserved 7 Reserved 32 Reserved 8 ALARM OUT 33 Reserved 9 EOM OUT 34 INDEX OUT 10 NO CONTACT1 OUT 35 NO CONTACT2 OUT 11 NO CONTACT3 OUT 36 NO CONTACT4 OUT 12 NO CONTACT5 OUT 37 NO CONTACT6 OUT 13 NO CONTACT7 OUT 38 NO CONTACT8 OUT 14 LO1 OUT 39 LO2 OUT 15 LO3 OUT 40 L...

Page 46: ...acitance open correction execution signal p 52 EOM This signal indicates the end of a measurement Output data is acquired when this signal changes to low INDEX This signal indicates that A D conversion in the measurement circuit is com plete Sample switching is performed when this signal changes to low NO CONTACT Contact check judgment results p 52 LO Comparative measurement results LOW p 52 IN Co...

Page 47: ...lts New measurement results Normal measurement Timing Chart Interval Descriptions Interval Description Duration t1 Trigger pulse width Low time 100 μs or more t2 Trigger OFF Hi time 100 μs or more t3 INDEX EOM delay time 200 μs or less t4 T index Measurement time Within set measurement time T delay t5 T eom Within T index 500 μs t6 Trigger setup time Display ON 30 ms or more Display OFF 1 ms or mo...

Page 48: ...EX t1 t2 t3 t4 t5 EOM Timing Chart Interval Descriptions Interval Description Duration t1 Pulse width Low time 100 μs or more t2 INDEX EOM delay time 400 μs or less t3 T index Measurement time OPEN CX 8 ms typ OPEN IR 5 s typ t4 T eom OPEN CX 10 ms typ OPEN IR 5 s typ t5 Trigger setup time 2 s or more ...

Page 49: ...sults INDEX EOM NO CONTACT 1 to 8 Timing Chart Interval Descriptions Interval Description Duration t1 Pulse width Low time 100 μs or more t2 INDEX EOM delay time 400 μs or less t3 T index Measurement time 4 ms or less t4 T eom 4 ms or less t5 Judgment setup time 100 μs or more t6 Input setup time 2 s or more ...

Page 50: ...pe Contact input via photocoupler negative logic Input voltage LOW 0 to 0 5 V HIGH 24 V 10 Output Signals Output type Photocoupler isolated output negative logic Output voltage current See following table Output Signals Output voltage rating Maximum output current Circuit common LOW HIGH Judgment signals HI1 to HI8 IN1 to IN8 LO1 to LO8 NO CONTACT1 to NO CONTACT8 0 5 V 5 to 24 V 6 mA COM Control s...

Page 51: ...5 3 Internal Circuitry 48 ...

Page 52: ...andard Safety EN61010 Power source Rated supply voltage Model SM7810 100 VAC 110 VAC Model SM7810 20 220 VAC Voltage fluctuations of 10 from the rated supply voltage are taken into account Rated supply frequency 50 60 Hz Anticipated transient overvoltage 2 500 V Maximum rated power 30 VA Dimensions Approx 425W 99H 488D mm 16 73 W 3 90 H 19 21 D sans protrusions Mass Approx 10 5 kg 370 4 oz Accesso...

Page 53: ...rminal Red colored Voltage input terminals Rear panel Special round connector Maximum input voltage 1000VDC between each terminal 1000VDC between the ground and terminals Setup method and operation GP IB Interface RS 232C Interface EXT I O No setup available on the instrument front panel except settings for GP IB address LED indicator For Power indication and Trigger indication LCD screen 3 page l...

Page 54: ...ment range Default state AUTO 10 μA Setups Functions HOLD AUTO Ranges 100 pA 1 nA 10 nA 100 nA 1 μA 10 μA 100 μA 1 mA Trigger delay time Function Fix time between inputting trigger signal and starting measurement Default state 0 ms Setup ranges 0 ms to 9999 ms 1 ms resolution Averaging Function Carry out averaging procedure of measurement values Default state ON 1 Setups OFF No averaging ON Requir...

Page 55: ...to 1 10 of the fixture capacitance With a 1 m measurement cable Judgment GO Capacitance measured value judgment reference value NG Judgment reference value capacitance measured value Judgment reference value Fixture capacitance target object capacitance setting 2 Execution conditions Fixture capacitance open correction must have been performed Capacitance measurement accuracy 20 of reading 0 2 pF ...

Page 56: ...lay settings averaging settings averaging count measurement voltage setting power source frequency current range current range switching setting comparative mea surement setting comparative measurement upper and lower limits contact check au tomatic execution target object capacitance value fixture capacitance open correction value fixture resistance open correction setting fixture resistance open...

Page 57: ...rement Specifications Accuracy Conditions of guaranteed accuracy Warm up time 1 hour or more Temperature and humidi ty range for guaranteed accuracy 23 5 C 80 RH or less non condensing Averaging settings OFF Period of guaranteed accuracy 1 year ...

Page 58: ...0 5 10 8 Im Ve 100 Vofs Vs 1 0 5 10 8 Rm Vs SLOW 0 6 5 10 8 Im Ve 100 Vofs Vs 0 6 5 10 8 Rm Vs SLOW2 0 4 5 10 8 Im Ve 100 Vofs Vs 0 4 5 10 8 Rm Vs 1 μA FAST 2 0 5 10 7 Im Ve 100 Vofs Vs 2 0 5 10 7 Rm Vs MED 1 0 5 10 7 Im Ve 100 Vofs Vs 1 0 5 10 7 Rm Vs SLOW 0 6 5 10 7 Im Ve 100 Vofs Vs 0 6 5 10 7 Rm Vs SLOW2 0 4 5 10 7 Im Ve 100 Vofs Vs 0 4 5 10 7 Rm Vs 10 μA FAST 2 0 5 10 6 Im Ve 100 Vofs Vs 2 0 ...

Page 59: ...NDEX 0 3 ms 4 5 INDEX 0 3 ms MED 24 0 21 0 SLOW 100 0 84 0 SLOW2 320 0 320 0 OFF ON FAST 6 7 INDEX 0 1 ms 6 7 INDEX 0 1 ms MED 26 0 23 0 SLOW 100 0 90 0 SLOW2 320 0 320 0 ON ON FAST 6 8 INDEX 0 3 ms 6 8 INDEX 0 3 ms MED 26 0 23 0 SLOW 100 0 90 0 SLOW2 320 0 320 0 Note Values shown above are specified at their maximum Values on current measurement mode Both INDEX and EOM values shall be added 0 1 m...

Page 60: ...tact check measured value fixture capacitance open correction value fixture resistance open cor rection value RS 232C Interface Data reception Settings Environmental data measured value display mode measurement speed measure ment range trigger delay time averaging power source frequency measurement volt age contact check execution mode target object capacitance setting LCD display mode current cha...

Page 61: ...oupler isolated input LOW 0 5 V or less HIGH 24 V 10 Output Signal types Output method Electrical specification Measured value comparative judgment results Hi1 to Hi8 IN1 to IN8 LO1 to LO8 contact check judgment results NO_CONTACT1 to NO_CONTACT8 error ALARM measurement calculation complete EOM analog measurement complete INDEX Photocoupler isolated output open collector output LOW 0 5 V or less H...

Page 62: ...acement parts contact your dealer or Hioki representative Maintenance and Service Chapter 7 7 1 Troubleshooting Inspection and Repair Touching any of the high voltage points inside the instrument is very dan gerous Do not attempt to modify disassemble or repair the instrument as fire electric shock and injury could result If the instrument seems to be malfunctioning confirm that the cables and fus...

Page 63: ...cause injury Fuse type 250 V T0 315AL φ5 mm 20 mm Slo Blo type Power inlet Screwdriver Fuse holder Fuse φ5 mm 20 mm Replacing the Power Fuse Rear panel of the instrument Tools to Prepare Flat blade screwdriver 1 Turn off the power switch and disconnect the power cord 2 Align the flat blade screwdriver with the fuse holder securing part of the power inlet and then remove the fuse holder by pushing ...

Page 64: ...our dealer or Hioki repre sentative ERROR 006 Call Service Center Measurement controller inter nal communication failure Please contact your dealer or Hioki repre sentative 7 4 Cleaning To clean the instrument wipe it gently with a soft cloth moistened with water or mild detergent Never use solvents such as benzene alcohol acetone ether ketones thinners or gasoline as they can deform and discolor ...

Page 65: ...7 4 Cleaning 62 ...

Page 66: ... Attach the rubber feet to the base of the instrument as necessary When attaching the rubber feet refer to the following diagram for a rough indica tion of how the feet should be positioned Appendix Appendix 1 Attaching Rubber Feet Attach rubber feet here Attach rubber feet here ...

Page 67: ...ws Ensure that the screws used to attach the rack mounting brackets to the sides of the instrument are not screwed into the instrument more than 10 mm If the rack mounting brackets are removed be sure to use screws identi cal to the ones used originally M4 10 mm When rack mounting the instrument place it on the shelf specified by the rack manufacturer or on a support angle Mounting it on a rack us...

Page 68: ...iagrams and Attachment Procedure for Rack Mounting Brackets M4 10 mm Spacers Rack mounting brackets Rack Mounting Bracket JIS Spacers Use 2 Insert spacers on both sides of the instrument and attach the mounting brackets with M4 10 mm screws ...

Page 69: ...Appendix 3 External Dimensions A4 Appendix 3 External Dimensions Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com ...

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