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YOKOGAWA MVAdvanced MV1000, Service Manual

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YOKOGAWA MVAdvanced MV1000 Service Manual Download Page 34

6-4

SM MV1000-01E

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Rear Assembly (1/3)

Nov.2007

CMPL  MV1000-01E

PULSE

ALARM

10Base-T

USB

RS-424-A/485

10Base-T

USB

FG

SG

SDB

SDA

RDA

RDB

SERIAL(RS-232)

(ST

ATUS)

MEMOR

Y

FAIL

C
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6.1  Customer Maintenance Parts List (MV1000)

Summary of Contents for MVAdvanced MV1000

Page 1: ...Service Manual Y okogawa Electric Corporation MV1000 MV2000 SM MV1000 01E 1st Edition ...

Page 2: ...e accuracy of the content of this service manual However there may still be errors such as clerical errors or omissions YOKOGAWA assumes no responsibility of any kind concerning the accuracy or contents of this service manual nor for the consequences of any errors All rights reserved No part of this service manual may be reproduced in any form or by any means without the express written prior perm...

Page 3: ... are registered trademarks or trademarks of Adobe Systems Incorporated Company and product names that appear in this manual are registered trademarks or trademarks of their respective holders The company and product names used in this manual are not accompanied by the registered trademark or trademark symbols and Revisions 1st Edition April 2008 ...

Page 4: ...hese requirements WARNING Use the Correct Power Supply Ensure that the source voltage matches the voltage of the power supply before turning ON the power In the case of a desktop type ensure that it is within the maximum rated voltage range of the provided power cord before connecting the power cord Use the Correct Power Cord and Plug To prevent electric shock or fire be sure to use the power cord...

Page 5: ...tection Operating the instrument in a manner not described in this manual may damage the instrument s protection Safety Symbols Used on Equipment and in Manual Handle with care To avoid injury and damage to the instrument the operator must refer to the explanation in the manual Protective ground terminal Functional ground terminal do not use this terminal as a protective ground terminal Alternatin...

Page 6: ...ation of the instrument Chapter 2 Troubleshooting Lists problems that can occur and gives corrective actions Chapter 3 Testing Gives procedures for testing the characteristics of the instrument Chapter 4 Adjustments Explains how to adjust the instrument Chapter 5 Schematic Diagram Provides a system configuration diagram Chapter 6 Customer Maintenance Parts List Contains exploded views and a list o...

Page 7: ...t 2 4 Chapter 3 Testing 3 1 Acceptance Test 3 1 3 2 Self Diagnostic Test 3 2 3 3 Performance Test 3 3 Test Environment 3 3 Test Instruments 3 3 Instrument Operation 3 3 Tests 3 3 3 4 Test Procedures 3 4 Insulation Resistance 3 4 Protective Grounding 3 4 Withstand Voltage 3 5 Measurement Accuracy 3 6 Reference Junction Compensation Accuracy 3 8 Battery Backup 3 8 Pulse Input Function 3 9 Chapter 4 ...

Page 8: ...tenance Parts List 6 1 Customer Maintenance Parts List MV1000 6 1 6 2 Customer Maintenance Parts List MV2000 6 9 Chapter 7 Replacing Parts 7 1 Introduction 7 1 Replaceable Parts 7 1 If Servicing is Required 7 1 7 2 Recommended Replacement Periods for Worn Parts 7 2 ...

Page 9: ...e used for DC voltage thermocouple resistance temperature measurement and contact input The reference junction compensation circuit for thermocouples is built in Proven transistor method for measuring the temperature of the terminals Metal core construction used in the internal printed circuit boards to equalize temperature Input terminals removable Scanner Section Switches the measured input sign...

Page 10: ...imit alarm Other Functions Serial Ethernet Communication The MV can communicate with other instruments via the Ethernet RS 232 or RS 422 485 interface with the serial communication option Remote Control Pulse Input Record start and other operations can be controlled using external signals with the optional remote control function Counts the number of pulses for each measruement with the pulse inpu...

Page 11: ...y Is an appropriate power supply being input Is the power supply wired correctly Is the power switch ON Does the switch operate normally Doesn t function at all nothing is displayed Turn the switch ON correctly Wire it correctly Supply power of voltage and frequency that conforms to the specifications Restore the original brightness through key operation Try replacing the backlight YES NO YES NO Y...

Page 12: ...nstruments Use shielded cables for wiring measurement input communication and other circuits Use isolation transformers on power supply lines Insert filters on power supply lines If inductive loads are used on alarm lines insert surge absorbers in the lines Note If menu items required for screen menus or function menus are not displayed check menu customization settings Is the memory medium CF car...

Page 13: ...e measurement insulate points of contact between the measured object and thermocouple Use shielded cables for input wiring Change the integral time setting of the A D converter Use moving average on the input Attach input terminal covers To avoid temperature changes in the vicinity of input terminals keep fan ventilation holes clear and keep hot objects away Ensure correct polarity when wiring Che...

Page 14: ...Key operation abnormality Check the FFCs 3 for key wiring whether pulled out or damaged SW BOARD ASSEMBLY Bezel Assembly 6 2 1 6 10 1 CONNECTION BOARD ASSEMBLY Bezel Assembly 6 2 1 6 10 1 MAIN BOARD ASSEMBLY Main PBA 6 3 4 6 12 11 5 LCD display not normal Check the FFCs 3 for key wiring whether pulled out or damaged MAIN BOARD ASSEMBLY Main PBA 6 3 4 6 12 11 SUB BOARD ASSEMBLY Sub PCB Assembly 6 3...

Page 15: ...ARD ASSEMBLY I PWR Terminal 24V Power Terminal Power Terminal 6 4 8 6 14 3 MAIN BOARD ASSEMBLY Main PBA 6 3 4 6 12 11 10 USB operation abnormal Are connected USB devices USB memory and USB keyboard operating normally Check the FFC 3 for the MEDIA PBA 2 whether pulled out or damaged MEDIA BOARD ASSEMBLY front panel Media CF PBA 6 2 6 10 POW TERM COMM BOARD ASSEMBLY rear panel I PWR Terminal 24V Pow...

Page 16: ...ad the preface to the user s manual Checking the Contents of the Package and verify that you have all of the contents 2 Make sure to understand the operating procedures as described in the user s manual 3 Check each function using the user s manual 4 Read and implement section 3 2 Self Diagnostic Test 5 Read and implement section 3 3 Performance Test ...

Page 17: ...BOARD ASSEMBLY Replace the SUB BOARD ASSEMBLY or MAIN BOARD ASSEMBLY Sub PCB Assembly 6 3 5 6 12 13 Main PBA 6 4 12 6 12 11 910 921 A D memory failure for all input channels A D calibration value error Connection between AD SCANNER BOARD ASSEMBLY and MAIN BOARD ASSEMBLY Replace the AD SCANNER BOARD ASSEMBLY or MAIN BOARD ASSEMBLY AD STD ISO 6 3 7 8 6 12 24 25 26 27 Main PBA 6 4 12 6 12 11 930 Memo...

Page 18: ...t do not affect the measured results Other external effects 2 A value that does not affect the measured results 1 Interference refers to common mode noise series mode noise power supply noise and other phenomena in the signal line 2 Other external effects include luminance draft ultrasonic waves and radiation Test Instruments Instrument Specifications DC voltage generator Accuracy 0 005 of setting...

Page 19: ...d terminal 100 MΩ or more Short all input terminals Between the Ethernet and protective ground terminal 100 MΩ or more Short all pins of the Ethernet terminal Between RS 422 A 485 SG and RS 422 A 485 FG terminals 100 MΩ or more With the C3 option Protective Grounding Test Procedures Perform a resistance measurement with a DMM digital multimeter and check whether the results satisfy the reference v...

Page 20: ...input terminals 1 0 kVAC 1 mA Short the odd and even channels of the A B terminals and measure between odd and even channels Between relay contact output and protective ground terminals 1 6 kVAC 2 mA With the A1 A2 A3 A4 or F1 option Short all relay contact output terminals Between the remote control input and protective ground terminals 1 0 kVDC 2 mA With the R1 option Short all remote control in...

Page 21: ...umber by A D MV1004 125 ms 4CH 2 1 2 3 4 MV1006 1 s 6CH 1 1 6 MV1008 125 ms 8CH 4 1 2 3 4 5 6 7 8 MV1012 1 s 12CH 1 1 12 MV1024 1 s 24CH 2 1 12 13 24 MV2008 125 ms 8CH 4 1 2 3 4 5 6 7 8 MV2010 1 s 10CH 1 1 10 MV2020 1 s 20CH 2 1 10 11 20 MV2030 1 s 30CH 3 1 10 11 20 21 30 MV2040 1 s 40CH 4 1 10 11 20 21 30 31 40 MV2048 1 s 48CH 4 1 12 13 24 25 36 37 48 Test Instruments Instrument Specifications DC...

Page 22: ...igits 0 000 V 2 digits 20 000 V 10 digits 50 V 50 00 V 4 digits 0 05 of rdg 3 digits 0 00 V 2 digits 50 00 V 4 digits Pt100 200 C 18 52 Ω 0 4 C 0 15 of rdg 0 3 C 0 C 100 00 Ω 0 2 C 600 C 313 71 Ω 0 9 C TC T 0 C 0 000 mV 0 4 C 0 15 of rdg 0 5 C EXT RJC mode TC K 0 C 0 000 mV 0 5 C 0 15 of rdg 0 7 C EXT RJC mode Cu10 GE 200 C 1 326 Ω 1 4 C 0 4 of rdg 1 0 C Performed when the N1 option is specified 0...

Page 23: ... device ensure that the tip of the thermocouple floats about 10 mm off the bottom Perform the test in a stable environment If drafts are present and may influence the results position the equipment to avoid them After connecting the thermocouple allow a warm up time of 30 minutes or more before begging measurement Always use terminal covers If the quality is found to be sufficiently stable perform...

Page 24: ... of setting for 100 Hz Setup 1 Press the MENU key then choose Math channel Calculation expression Expression 2 Enter the following expressions Press the ESC key to return to the setting menu 101CH Q06 span 0 100 102CH Q07 span 0 100 103CH Q08 span 0 100 3 Select Group set then set CH set to 101 103 4 Press the ESC key twice to return to operation mode Test Procedures Input a pulse signal of 100 Hz...

Page 25: ...0 Environment See section 3 3 Test Environment Instrument Operation For operating procedures in setting mode and basic setting mode see the following manuals MV1000 First Step Guide IM MV1000 02E MV2000 First Step Guide IM MV2000 02E MV1000 MV2000 User s Manual IM MV1000 01E Note Adjustments are to be made after warming up the recorder for at least thirty minutes ...

Page 26: ... CH5 CH6 CH7 CH8 MV1012 CH1 CH2 MV1024 CH1 CH2 CH13 CH14 MV2008 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 MV2010 CH1 CH2 MV2020 CH1 CH2 CH11 CH12 MV2030 CH1 CH2 CH11 CH12 CH21 CH22 MV2040 CH1 CH2 CH11 CH12 CH21 CH22 CH31 CH32 MV2048 CH1 CH2 CH13 CH14 CH25 CH26 CH37 CH38 Input Value Input Type Range Zero Full Remarks DC voltage 20 mV 0 mV 20 mV 60 mV 0 mV 60 mV 200 mV 0 mV 200 mV 1 V 0 mV 1 V 2 V 0 mV 2 V 6 ...

Page 27: ... the range to be adjusted to the zero channel of the A D No and the full value to the Full channel See the calibration channels and input values on the previous page Ex To adjust the 20 mV range of A D No 1 input 0 mV to CH1 and 20 mV to CH2 Executing the Adjustment 5 Select the soft key of the range to adjust then press the DISP ENTER key MV1000 MV2000 Shows the A D No being calibrated Select the...

Page 28: ...se the left or right arrow key to choose Yes save calibration values or No do not save then press the DISP ENTER key MV1000 MV2000 9 Repeat steps 2 8 to adjust all A D No When finished press the ESC key Concluding Adjustments 10 Turn OFF the power switch 4 2 Adjusting the A D Converters ...

Page 29: ...8805RB B8805RA B8805RB CH Table for Connector MOTHER BOARD ASSY B8706TP St d 12CH B8706SR ISO 4CH B8706TS ISO 12CH MOTHER BOARD INPUT AD SCANNER 4CH 6CH 8CH 12CH 24CH 1CH 4CH 1CH 6CH 5CH 8CH 1CH 12CH 13CH 24CH 1CH 4CH 1CH 12CH CN11 CN14 CN21 CN24 CN15 CN25 1CH 4CH 1CH 12CH 1CH 4CH 1CH 6CH 5CH 8CH 1CH 12CH 13CH 24CH TERMINAL ASSY AD SCANNER BOARD ASSY TERMINAL ASSY ALARM BOARD ASSY TPS2CH BOARD ASS...

Page 30: ...P St d 12CH B8706TX CLAMP ISO 12CH B8706SW CLAMP St d 10CH B9968UM SCREW ISO 10CH B9968UF SCREW St d 10CH B8706SX CLAMP ISO 10CH B9968UN SCREW ISO 12CH B9968UG SCREW St d 12CH B8706TW CLAMP St d 12CH B8706TX CLAMP ISO 12CH B8706SW CLAMP St d 10CH B9968UM SCREW ISO 10CH B9968UF SCREW St d 10CH B8706SX CLAMP ISO 10CH B9968UN SCREW ISO 12CH B9968UG SCREW St d 12CH B8706TW CLAMP St d 12CH B8706TX CLAM...

Page 31: ...000 Note Parts marked with a symbol are Customer Maintenance Parts CMP Copyright Nov 2007 YK 1st Edition Nov 2007 YK CMPL MV1000 01E Yokogawa Electric Corporation The contents of this CMPL are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functions POWER 1 2 V D C 2 4 V A M A X ...

Page 32: ... Cover B8805BG 3 1 FFC 0 5MM 120MM B8706MJ 4 Screw Y9305LB 2 Sheet B8805FH 1 Handle Assembly B8805FA 2 Washer B8805FJ 2 Spacer B8805FM 3 Wave Washer B8805FL 2 Cap B8805FC 2 Stud B8805BZ 7 8 13 14 2 Screw B8805FK 9 10 11 12 2 Damper B8805FE 1 Name Plate 1 B8805AC 1 Name Plate 2 B8805AG 1 Body Assembly see page 3 1 Name Plate Name Plate Name Plate B8800AY 1 1 2 F Foot B9961BR 2 R Foot B9961BS 4 Scre...

Page 33: ... 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 4 1 Main PBA B8706RA 1 1 1 1 5 1 SUB PCB Assembly B8805PB 1 1 1 1 6 1 Battery Assembly B9900BR 1 1 1 1 AD STD 12CH not N1 N2 B8706TP 1 AD ISO 12CH or N1 N2 B8706TS 1 1 1 1 1 1 8 1 AD ISO 4CH B8706SR 1 AD STD 6CH not N1 N2 B8706RP 1 AD ISO 6CH or N1 N2 AD STD 12CH not N1 N2 AD ISO 12CH or N1 N2 B8706RS 1 B8706TP 1 1 B8706TS 1 1 2 ...

Page 34: ...ase T USB RS 424 A 485 10Base T USB FG SG SDB SDA RDA RDB SERIA L R S 232 STATUS MEMORY FAIL C 1 2 5 4 3 6 H L H L H L 7 8 02 01 NC C NO NC C NO NC C NO NC C NO CAT 1 b A B b A B 2 b A B 3 b A B 4 b A B 5 b A B 6 b A B 7 b A B 8 b A B 9 b A B 10 b A B 11 b A B 12 REMOTE 6 1 Customer Maintenance Parts List MV1000 ...

Page 35: ...AD 1 1 6 1 PW TERM Cover B8805CR 1 1 1 1 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I PWR Terminal 1 not C2 C3 I PWR Terminal 1 C2 not C3 I PWR Terminal 1 C3 not C2 24V Power Terminal 2 not C2 C3 24V Power Terminal 2 C2 not C3 24V Power Terminal 2 C3 not C2 B8706ER B8706ES 1 1 1 B8706ET B8706JA B8706JB B8706JC Note 1 120VAC 240VAC 2 12VDC 24VDC CMP select select referenc...

Page 36: ...8703FB B8703FC B8703FD B8703FE B9968DN B8706JP B9968LJ B8706HW B8706JW B9968LH B9968LR F1 PM1 R1 R1 F1 PM1 TPS2 F1 PM1 A1 A2 A3 F1 PM1 TPS2 PM1 R1 PM1 R1 A1 A2 PM1 R1 TPS2 A1 A2 PM1 PM1 R1 PM1 A1 PM1 A1 PM1 R1 F1 F1 A1 A2 F1 A1 A1 A2 A3 F1 PM1 R1 TPS2 A2 A3 R1 F1 A1 R1 A2 R1 A3 R1 A1 F1 A1 F1 R1 A2 F1 R1 F1 R1 A1 TPS2 R1 TPS2 TPS2 A1 PM1 A2 PM1 PM1 F1 PM1 N1 N2 N1 N2 N1 N2 N1 N2 A1 F1 PM1 A1 R1 TP...

Page 37: ... 7 SM MV1000 01E Customer Maintenance Parts List 1 2 3 4 5 6 7 Nov 2007 CMPL MV1000 01E 7 Standard Accessories 1 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 6 1 Customer Maintenance Parts List MV1000 ...

Page 38: ...d Set 1 8 7 1 B8805GV AC Adapter Assembly 2 select 8 1 B9988YE AC Cord 2 3 9 1 B9988YA AC Cord 2 4 10 1 B9988YB AC Cord 2 5 11 1 B9988YC AC Cord 2 6 12 1 A1069WD AC Cord 2 7 13 1 B9988YJ AC Cord 2 8 14 1 B9991AD DXA120 CD Assembly 15 1 B8806ZZ CD for Manuals 16 5 E9655FX Screw ETO Screw 17 1 B8706NQ CF Card 128MB 18 1 Manuals select select CMP Parts Note 1 100VAC 240VAC 2 12VDC 24VDC 3 MV1 M 4 MV1...

Page 39: ...te Parts marked with a symbol are Customer Maintenance Parts CMP Copyright Nov 2007 YK 1st Edition Nov 2007 YK CMPL MV2000 01E Yokogawa Electric Corporation The contents of this CMPL are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functions ...

Page 40: ...see page 3 Cover Bezel Assembly For English 1 B8806BB Bezel Assembly For Japanese Name Plate 100VAC 240VAC 1 B8806AG Name Plate 12VDC 24VDC Name Plate Damper Sheet Cap Screw 7 8 9 B8805FM B8805FL 2 4 2 B8805BZ Stud Wave Washer Spaser 6 B8805FJ 2 Washer 14 13 12 11 10 1 15 Name Plate 1 B8800AY 16 Name Plate 1 17 Support 1 B8806CW 18 Foot Assembly 4 B9318JK 19 Complite Set 1 0 0 2 4 0 V A C 5 0 6 0 ...

Page 41: ...4 2 3 4 6 8 7 B8806RA Y9305LB B8706SD B8706RD B8706MF Y9305LB Case Assembly Main Mother PBA Screw AD Mother 1Slot PBA AD Mother 2Slot PBA AD Main Mother Cable B8706MF AD Main Mother Cable Screw select 1 1 1 5 B8706SD B8706RD AD Mother 1Slot PBA AD Mother 2Slot PBA select Item Part No Description Qty MV2008 MV2010 MV2020 MV2030 MV2040 MV2048 Model 1 2 3 4 6 5 8 7 6 2 Customer Maintenance Parts List...

Page 42: ...Base T USB RS 424 A 485 10Base T USB FG SG SDB SDA RDA RDB SERIA L R S 232 STATUS MEMORY FAIL C 1 2 5 4 3 6 H L H L H L 7 8 02 01 NC C NO NC C NO NC C NO NC C NO CAT 1 b A B b A B 2 b A B 3 b A B 4 b A B 5 b A B 6 b A B 7 b A B 8 b A B 9 b A B 10 b A B 11 b A B 12 REMOTE 6 2 Customer Maintenance Parts List MV2000 ...

Page 43: ... 2 2 2 Sheet B8806CX 20 1 1 1 1 1 1 AD Guide 21 1 1 1 2 2 2 Fastner B9622FW B8806DA 22 1 1 1 1 1 1 Screw Y9305LB 23 3 3 3 6 6 6 AD ISO 4CH B8706SR 24 1 AD STD 10CH not N1 N2 B8706SP 1 1 1 1 AD ISO 10CH or N1 N2 B8706SS 1 1 1 1 AD STD 12CH not N1 N2 B8706TP 1 AD ISO 12CH or N1 N2 B8706TS 1 select select select AD ISO 4CH B8706SR 25 1 AD STD 10CH not N1 N2 B8706SP 1 1 1 AD ISO 10CH or N1 N2 B8706SS ...

Page 44: ...her Screw Power Terminal select see page 7 PW Terminal Cover 2 Y9305LB Screw 1 Option Terminal 1 Input Terminal 1 Input Terminal 2 Input Terminal 3 Input Terminal 4 Screw Foot Bracket 10 1 11 Option Terminal 2 1 B9968DN 12 Conn Cover Assembly select see page 7 8 13 14 Terminal Assembly 1 3 select see page 7 select see page 8 10Base T USB SERIA L R S 232 6 2 Customer Maintenance Parts List MV2000 ...

Page 45: ...B9968DN B9968DN B9968DN B9968LE B9968LN B8706HS B8706HT B8706JS B8706JT B9968LE B9968LF B9968LN B9968LP B8706HS B8706HT B8706JS B8706JT B9968LE B9968LF B9968LN B9968LP B8706HS B8706HT B8706JS B8706JT B9968LE B9968LF B9968LN B9968LP B8706HW B8706HX B8706JW B8706JX B9968LH B8706NM B9968LR B8706JJ B8706HU B8706JU B9968LG B9968LQ B8706HU B8706JU B9968LG B9968LQ B8706HY B8706JY B8706HN B8706JK B9968DN ...

Page 46: ...1 R1 A1 A2 A3 A4 F1 PM1 B9968KK A1 F1 PM1 R1 B9968KL A2 F1 PM1 R1 B9968KN A3 F1 PM1 R1 F1 A1 A2 A3 A4 PM1 R1 B9968KQ A1 F1 R1 PM1 B9968KM A2 F1 R1 PM1 B9968KP A3 F1 R1 PM1 F1 R1 A1 A2 A3 A4 PM1 B9968KR A1 PM1 F1 B8703FA A2 PM1 F1 B8703FB A1 F1 PM1 B8703FC PM1 A3 F1 B8703FD PM1 A1 A2 A3 A4 F1 F1 PM1 A1 A2 B8703FE A1 A2 A3 A4 F1 PM1 R1 TPS4 B9968DN OR NOT MS CORD OPTION PART NO OPT 2 AND OR NOT A3 F...

Page 47: ...7 SM MV1000 01E Customer Maintenance Parts List 1 2 3 4 5 6 7 Nov 2007 CMPL MV2000 01E 9 Standard Accessories 1 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 18 6 2 Customer Maintenance Parts List MV2000 ...

Page 48: ...7 1 B8805GV AC Adapter Assembly 2 select 8 1 B9988YE AC Cord 2 3 9 1 B9988YA AC Cord 2 4 10 1 B9988YB AC Cord 2 5 11 1 B9988YC AC Cord 2 6 12 1 A1069WD AC Cord 2 7 13 1 B9988YJ AC Cord 2 8 14 1 B9991AD DXA120 CD Assembly 15 1 B8806ZZ CD for Manuals 16 5 E9655FX Screw ETO Screw 17 1 B8706NQ CF Card 128MB 18 2 A9088ZM Stopper 19 1 Manuals select select CMP Parts Note 1 100VAC 240VAC 2 12VDC 24VDC 3 ...

Page 49: ...self please refer to the Customer Maintenance Parts List CMPL in chapter 6 for a list of parts supplied by Yokogawa Parts not on this list are not available through Yokogawa The CMPL uses the following column titles Number Part No Q ty Description If Servicing is Required If servicing is required contact your nearest Yokogawa dealer with the following information Address Contact name and phone num...

Page 50: ...rmal Operating Temperature 40 C The replacement period varies depending on the temperature in which the instrument is operated and the instrument s specifications If the instrument is used in a 30 C environment it may be operational for 10 years or more MV2000 Item Replacement period Name Part No Quantity Used Notes LCD 5 years Bezel Assembly B8806BA 1 For English B8806BB 1 For Japanese Battery 10...

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