Shimadzu RF-20A Service Manual
  1. Manuals
  2. Brands
  3. Shimadzu Manuals
  4. Security Sensors
  5. RF-20A
  6. Service manual

Shimadzu RF-20A Service Manual

Spectrofluorometric detector
Hide thumbs
Table of Contents

Advertisement

Quick Links

228-90749N
RF-20A/RF-20AXS
Spectrofluorometric Detector
Service Manual
Caution!
This service manual has been prepared for engineers who have been trained for servicing.
Untrained engineers are not allowed to use this service manual.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RF-20A and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Shimadzu RF-20A

Summary of Contents for Shimadzu RF-20A

  • Page 1 228-90749N RF-20A/RF-20AXS Spectrofluorometric Detector Service Manual Caution! This service manual has been prepared for engineers who have been trained for servicing. Untrained engineers are not allowed to use this service manual.
  • Page 2 Warnings and Safety Precautions The following Warning and Caution icons appear frequently throughout this manual. The meanings of these icons are as follows. This indicates the possibility of death, serious injury or medium-grade WARNING injury if the described precaution is ignored. This indicates the possibility of minor injury if the described precaution is ignored.

  • Page 3: Table Of Contents

    The change part is shown by the red font. Contents 1 Introduction ........................7 1.1 Outline ......................... 7 2 Installation and Startup Modes.................... 8 2.1 Checking Operation of the Lamp Cover Sensor ............8 2.2 Checking Performance by the Raman Spectrum of Water (S/N CHECK) ..... 8 2.3 Starting Up in the FACTORY Mode ................
  • Page 4 7.3 Wavelength Calibration Procedure ................40 7.4 Procedure of Wavelength Accuracy Automatic Check ..........42 7.4.1 Judgment of Wavelength Accuracy and Display of Results ........... 43 7.5 Wavelength Calibration Operation Procedure ............43 8 Compensating Sensitivity (Eliminating Physical Differences between Instruments) ..44 8.1 Compensating Sensitivity (SENS COMP) ..............
  • Page 5 13.2.2 Flow Cell/Piping Parts Maintenance Parts List ............72 13.2.3 Electrical and Other Parts List ..................74 14 Flow Cell Unit ......................... 75 14.1 Standard Flow Cell Unit....................75 14.1.1 Cell Structure ........................ 75 14.1.2 Parts Used List ......................75 14.2 Flow Cell for Semimicro (Option) ................
  • Page 6 B:Adjustment of the emission-side grating position was added, and adjustment of the internal Mercury lamp reflection mirror was changed. C:Flow chart for Optical Adjustment was added., New PTFE block It is related with use of JIG and is photograph change of the image of light. D: 6.2 6.

  • Page 7: Introduction

    This service manual describes the work to be performed by service personnel. Repairs must be performed by Shimadzu service personnel. Work performed by the customer himself voids the product Warranty. Though this service manual contains some items that are also mentioned in the Instruction Manual, it does not contain references to installation and operations.

  • Page 8: Installation And Startup Modes

    2 Installation and Startup Modes Checking Operation of the Lamp Cover Sensor Check operation of the lamp cover sensor at installation. [Procedure] 1. After installing the Xenon lamp, turn the power switch ON with lamp cover 1 removed, and make sure that the "LAMP COVER OPEN" error message is displayed and that the Xenon lamp does not light.

  • Page 9: Outline Of Optical System

    3 Outline of Optical System Outline of Optical System Light from the Xenon lamp is reflected by mirror EL and the back mirror, passes through the window and is focused to be incident on the slit EX. Light exiting the slit EX is incident on the EX grating. Light separated by the EX grating passes through the beam splitter to be incident on the flow cell.

  • Page 10: Exploded Views Of Instrument

    Part Name XS 20A No. Part Name XS 20A 1 228-51451-91 Chassis Unit ASSY, XS 5 228-51454-91 Cover ASSY, RF-20A 1 228-51451-92 Chassis Unit ASSY 6 228-51146 Air Filter, Front 2 228-51540-91 Optical Unit ASSY, Super 7 228-51458-91 Filter Cover ASSY, Front...

  • Page 11: Opt Unit

    OPT Unit 4.2.1 Exploded View 4.2.2 Parts Used List Part Name XS 20A No. Part Name XS 20A 1 228-51506-91 Lamp House ASSY, XS 8 228-45744-91 HG Mirror ASSY Temperature Sensor 1 228-51506-92 Lamp House ASSY 9 228-50675-41 ASSY 2 228-51539-91 EX Monochromator ASSY, S 10 228-51538-91 Mesh ASSY 2 228-51539-92 EX Monochromator ASSY, R 11 228-45749-01 Splitter 1...

  • Page 12: Pcb Unit

    PCB Unit 4.3.1 Unit Diagram 4.3.2 Parts Used List Part Name 228-51116 Holder, PCB 228-45784-43 PCB, RF20-CPU ASSY 228-45784-44 PCB, RF20-CPU 20A 228-50355-41 PCB, RF20-TEMP ASSY Screw, SUS SEMS P3 M36 10 020-46534 11 037-38797-39 Spacer, BSB-338E 12 037-38797-08 Spacer, BSB-310E 13 037-60177-06 Clamp, Wire S-514...

  • Page 13: Replacing Parts And Upgrading Rom

    When the EEPROM (M37) Is Defective Note) Wavelength calibration is required. So, the mercury lamp and mercury lamp holder jig is required in the case of the RF-20A.  Open the instrument covers, read the -HV SENS.1, -HV SENS.2 and -HV SENS.3 values at (1) PMT applied voltage (-HV) and the (2) LM INPUT value (mirror Hg position) on the labels fixed to the monochromator unit, and enter the same values in the FACTORY mode.

  • Page 14: Replacing The Activated Carbon Pack And Replacement Cycle

    1. The method for upgrading the ROM version is the same as that for other Prominence series instruments (LC-20AD, SPD-20A, etc.). 2. When upgrading the RF-20A (not XS), "RF-20A -> RF-20AXS" is displayed in the dialog box as shown below. Do not worry about this. Click [OK]. The instrument type (FACTORY – PRODUCT...

  • Page 15: Optical Adjustments

    6 Optical Adjustments Optical Adjustments This chapter explains replacement methods when replacement of detector parts is required and the various adjustments to be made after replacement of parts. Warning Be sure to observe the following points when performing work inside the detector. ...
  • Page 16 Criteria2: It moves to right and left of PD ASSY, and the center and slit of the 0th light are united. Criteria3: Grating Mesh ASSY is attached so that the light from EX may not go into PD ASSY. Oval Mirror Adjustment  Fine [ Jig requirement : Remove.

  • Page 17: List Of Jigs

    List of Jigs The following jigs are required for optical adjustments. Handle for moving the light source mirror, 037-38898-53 Length (excluding male screw): 30, M4 Spacer or equivalent female screw: M425.5, male screw: M48, EX Filter 228-52012-91 (mesh filter) Cell Position Target Jig 228-52369-91 PTFE Block Cell ASSY 228-52024-92...

  • Page 18: Preparations For Adjustment

    Preparations for Adjustment (1) Remove the two screws on the rear for fixing the instrument cover, remove the filter cover on the right panel and the filter side, and remove the instrument cover. (2) Loosen the knurled screw (white) on lamp cover 1, and remove lamp cover 1 and the filter. (3) Remove the front panel assembly.

  • Page 19: Rough-Adjustment Of The Light Source Mirror (Oval Surface Mirror)

    (7) To prevent burns or burning of the cell position target (graph paper) by 0-order light, attach the EX filter (mesh filter) at the position in the photo. EX Filter (8) Turn the instrument ON with the [Back] button held down, and light the Xenon lamp. ...
  • Page 20 (2) Loosen the two screws indicated in the figure, and adjust the forward/backward position of the light source mirror so that the image of the light emission point becomes long and thin in the vertical direction symmetrically on the left and right. (Any light emission point position is acceptable.) ...
  • Page 21 Xenon light emission 0.5 to 1 mm point image Slit opening...

  • Page 22: Adjusting The Excitation Grating

    Adjusting the Excitation Grating (1) Remove the EX grating. (2) Enter "0" at "FACTORY" - "EX PULSE". (The home position is detected again if "0" is entered even with "0" already entered at "EX PULSE".) Adjust the screw so that the 0-order reflected light at the location indicated in the figure is almost aligned with the beam splitter end surface (slit side).
  • Page 23 (4) Tighten or loosen the two screws in the figure below with a 5.5 mm spanner, adjust the tilt of the grating, and approximately align the height of the 0-order light flux with the center of the 7 mm dia. opening in the figure. Screws 7 mm dia.
  • Page 24 (8) Enter "900" at "EX PULSE", and irradiate the red light (approx. 630 nm) on the cell position target jig. (9) Loosen the set screw in the figure below, and adjust the grating in the ruling direction so that the red light is aligned with the cross mark position of the cell position target jig in the vertical direction.

  • Page 25: Adjusting The Photodiode Assembly (Pd Assy) And Beam Splitter

    Adjusting the Photodiode Assembly (PD ASSY) and Beam Splitter (1) Following on from section 6.5 (10), make sure that the 0-order light is at the center of the cell position target jig. (2) Loosen the two screws in the figure below, adjust the tilt of the splitter so that the height of the reflected light flux (0-order light) is the same as the height of the slit on the PD ASSY.
  • Page 26 Mount the mesh assembly with the screw (truss, M48) while bringing the mesh assembly into contact with the PD ASSY as shown in the figure below to prevent light from the EX grating from directly entering the PD ASSY. In contact with monitor ASSY...

  • Page 27: Fine-Adjustment Of The Light Source Mirror (Oval Surface Mirror)

    Fine-Adjustment of the Light Source Mirror (Oval Surface Mirror) (1) With the EX grating at the 0-order light position, enter "500" at "EX PULSE" to select the light at about 350 nm. (2) Remove the cell position target jig from the cell position. Remove the light-filtering jig.
  • Page 28 Enter "-500" at "EX PULSE" to move the 0-order light to the cell position.

  • Page 29: Adjusting Emission Mirror 1

    Adjusting Emission Mirror 1 (2) Turn the instrument OFF. (3) Attach the emission monochromator assembly, and fasten in place with three hexagon socket head bolts M512 and one SEMS P3M48 screw. Next, connect the cables. (4) Turn the instrument ON with the [Back] key held down. (5) Attach the PTFE block cell ASSY(P/N228-52024-92) at the cell position.
  • Page 30 (9) Remove the EM slit if it is attached. (10) Adjust emission mirror 2 in direction (1) while observing the light flux projected on the target so that the marked lines of the target are aligned with the center of the light flux. (Rough- adjustment is OK.) (11) Adjust emission mirror 2 in direction (2) in the same way by tightening and loosening the two screws in the figure below.
  • Page 31 (12) Attach the EM slit, adjust the slit position so that the light flux passes cleanly through the slit opening, and tighten the mounting screws. 0.5 mm Light on EM slit (1 to 1.5 mm) EM slit opening (13) Remove the target.

  • Page 32: Checking The Position Of The Em Grating

    6.10 Checking the Position of the EM Grating With the TARGE removed, make sure that 0-order light is at the position marked A in the figure. * Part of the 0-order light may overlap the photomultiplier window. Enter "300" at "EM PULSE" and make sure that 0-order light is at the position marked B in the figure.

  • Page 34: Adjusting The Em Grating

    6.11 Adjusting the EM Grating (1) Fine-adjust the EM grating at "EM PULSE" so that 0-order light is cleanly incident to the slit opening on the EM outlet side.
  • Page 35 Tighten and loosen the two screws in the figure below with a spanner, adjust the tilt of the grating, and align the height of the 0-order light flux with the slit opening on the EM outlet side. Screws (3) Move the emission-side grating 1000 pulses away from the 0-order light to make red light (700 nm) incident to the slit opening on the EM outlet side.

  • Page 36: Adjusting The Internal Mercury Lamp Reflection Mirror (Rf-20Axs Only)

    6.12 Adjusting the Internal Mercury Lamp Reflection Mirror (RF-20AXS only) From V1.06, the completeness automatic mode (LM AUTO ADJ) and the semi auto mode (LM ADJ) are added. Please look at the following page, if attached to procedure. 6.12.1 When Adjusting Using the Conventional "LM PULSE" (V1.05 and earlier) Make sure that the EX and EM are in the 0-order light state and that the PTFE block cell (jig) is attached at the cell position.

  • Page 37: Automatic Adjustment Mode Of Reflective Mirror (Motor) For Hg Lamps (V1.06)

    6.12.2 Automatic Adjustment Mode of Reflective Mirror (Motor) for Hg Lamps (V1.06) From the ROM version V1.06 "Automatic mode (LM AUTO ADJ)" and "Semi-auto mode (LM ADJ)" were added to Hg lamp reflective mirror (motor) adjustment. The operation procedure in the automatic mode is as follows. - Procedure (1) Change a cell for a PTFE block cell.

  • Page 38: When Adjusting Using Semi Auto Mode [Lm Adj] (V1.06 And Later)

    6.12.3 When Adjusting Using Semi Auto Mode [LM ADJ] (V1.06 and later) In former type mirror adjustment (LM PULSE), the screen had to be changed repeatedly. In the semi auto mode (LM ADJ), it can do without changing a screen. Please use this mode, when you cannot do well in the completeness automatic mode [LM AUTO ADJ].

  • Page 39: Wavelength Calibration "Factory

    Part Name Type One of water, methanol or acetonitrile (HPLC grade or ― ― equivalent) 046-00017-01 Syringe, H4020-LL Accessory Syringe adapter Accessory 228-15672-91 Low-pressure Hg (Mercury) lamp (RF-20A only) Option 200-38423 Low-pressure Hg (Mercury) lamp holder (RF-20A only) Option 228-51952-91...

  • Page 40: Wavelength Calibration Procedure

    Wavelength Calibration Procedure Calibrate the wavelength of excitation and emission wavelength using the 0-order light of the low- pressure Hg (Mercury) lamp, 253.7 nm (1-order light), 507.3 nm (2-order light) and 761.0 nm (3-order light) of the emission line. When "FACTORY" - " is executed, the wavelength is calibrated WAVE ADJ"...
  • Page 41 11. Movement of the excitation-side grating to the 507 nm position The excitation-side grating is gradually rotated from near 500 nm slightly below 507 nm for the low-pressure Hg (Mercury) lamp, and the light intensity peak is recorded by the emission-side light sensor.

  • Page 42: Procedure Of Wavelength Accuracy Automatic Check

    Procedure of Wavelength Accuracy Automatic Check After wavelength calibration by "WAVE ADJ" ends, the wavelength accuracy automatic check is automatically started. The wavelength accuracy of each point is automatically checked by the following procedure using the 254 nm, 507 nm (2-order light) and 761 nm (3-order light) of the emission line of the low-pressure Hg (Mercury) lamp.

  • Page 43: Judgment Of Wavelength Accuracy And Display Of Results

    (1) Wavelength calibration can be executed only in the 1-wavelength mode. Set the measurement mode to the 1-wavelength mode. (2) In the case of the RF-20A, turn OFF and remove the Xenon lamp, and attach the low- pressure Hg (Mercury) lamp.

  • Page 44: Compensating Sensitivity (Eliminating Physical Differences Between Instruments)

    JAIMAS either does not require verification using the peak height of water Raman spectrum. Therefore, verification using the water Raman spectrum is abolished in RF-20A validation. During the S/N CHECK, use the displayed F value just as reference.

  • Page 45: Preparations

    Start sensitivity compensation on the RF-20A(XS) after at least 30 minutes of pump operation. Adjusting SENS 1 1) Connect the RF-20A(XS) to the jig, and deliver 0.1 N sulfuric acid to the RF-20A(XS). 2) Turn the RF-20A(XS) ON with the [Func] key held down, and light the Xenon lamp. (LAMP: 1) 3) Set up the RF-20A(XS).

  • Page 46: Adjusting Sens 2

    4) Execute RF-20A(XS) zero position adjustment. ([ZERO] key) 5) Select the high-pressure valve, and deliver 0.005 μg/mL quinine sulfate/0.1 N sulfuric acid to the cell. 6) After making sure that changes in the signal have stabilized, note down the fluorescent intensity value.

  • Page 47: Adjusting Sens 3

    Start recording of the Chromatopac. (ATTEN: 4) Execute RF-20A(XS) zero position adjustment. ([ZERO] key) Calculate the sensitivity compensation value. [RF-20A] Measure the room temperature (C) and calculate by the following formula: Sensitivity compensation value = 192  {1 - 0.005  (room temperature - 20)} [RF-20AXS] Sensitivity compensation value = 182 Make sure that 0.1 N sulfuric acid is being delivered and that the baseline has stabilized.

  • Page 48: Adjusting And Checking The Leak Sensor

    9 Adjusting and Checking the Leak Sensor Adjusting Sensitivity 1) Perform this adjustment with the unit cover, control panel and right door attached. 2) Turn the power ON and wait at least five minutes. 3) Press the [VP] key several times until "CALIBRATION" is displayed. 4) Press the [Func] key, and enter "00000"...

  • Page 49: Factory Parameters

    10 FACTORY Parameters 10.1 FACTORY parameter list As for the parameter to which F was attached, only FACTORY mode is displayed. Screen Display Settable Range Description Remarks 1 ch1 EXxxx EMxxx 200 to 900 nm CH1 EX/EM setting screen 2 ch2 EXxxx EMxxx 200 to 900 nm CH2 EX/EM setting screen 3 ch3 EXxxx EMxxx 200 to 900 nm F CH3 EX/EM setting screen...
  • Page 50 28 PMT TYPE Input 0 to 3 0= OTHER photomultiplier to the 1= RF-20A STD (R212) option. 2= RF-20AXS STD (R3788) 3= WIDE RANGE (R928-08), Option PRODUCT TYPE 1: 20A 2: 20AXS F Set either 20A or 20AXS as the instrument.
  • Page 51 The following monitor screen <HP(P4x)>(HP sensor display) HP sensor for EM 128: Thru/Not connected, 0: Blocked HP sensor for EX 64: Thru/Not connected, 0: Blocked HP sensor for lamp mirror 32: Blocked/Not connected, 0: Thru HP(P4x) [Display example: 192=128+64 (Indicates the EVNT_TMP EM sensor+EX sensor thru state.)] <EVNT_TMP>(EX/EM motor phase display)
  • Page 52 output, 6: 10 mV output, 7: 100 mV output, 8: can be set, never 500 mV output, 9: 1000 mV output, 51: Triangle enter parameters wave A (up to 1 mV in 1 minute, down to 0 V in other than the values 1 minute) (conditions: RATIO "0", response "0"), on the left.

  • Page 53: How To Use Factory Menu

    10.2 How to use FACTORY menu 10.2.1 Operation procedure in the temperature test mode [TEMP CHECK] . (Only RF- 20AXS model） Only 20AXS It 1) Temperature test TEMP CHECK displays. start Enter to Check screen [Enter] Countdown WAITING.＊ 30:00s 2) Aging Enter to Skip Display : "*"...

  • Page 54: Error Messages And Remedying Errors

    11 Error Messages and Remedying Errors This instrument has self-diagnostic functions. When an error occurs, a buzzer sounds, and an error message is displayed on the display. The following explains the causes of each error message and how to remedy errors. Note "Type"...

  • Page 55: Alarm Messages

    Ensure sufficient space for ventilation if the ventilation vents on the rear and side are blocked. Also, replace the filters if the filters inside the front cover and right side are clogged. When this error occurs, "LAMP" in the parameter setup group turns "0"...

  • Page 56: Warning Messages

    This is displayed when the Peltier cooling fan stops. Turn PELTIER TEMP (Peltier the power OFF and then restart the instrument. Set the Alarm temperature error) *RF-20AXS only temperature again at "CELL TEMP" in the parameter setup group. This is displayed when the cooling fan for the Xenon lamp power supply stops.

  • Page 57: Electrical Circuit Diagrams

    12 Electrical Circuit Diagrams 12.1 BLOCK DIAGRAM...

  • Page 58: Cpu Board

    12.2 CPU Board 12.2.1 SCHEMATIC, RF20-CPU Sheet 1/9...

  • Page 59: Schematic, Rf20-Cpu Sheet 2/9

    12.2.2 SCHEMATIC, RF20-CPU Sheet 2/9...

  • Page 60: Schematic, Rf20-Cpu Sheet 3/9

    12.2.3 SCHEMATIC, RF20-CPU Sheet 3/9...

  • Page 61: Schematic, Rf20-Cpu Sheet 4/9

    12.2.4 SCHEMATIC, RF20-CPU Sheet 4/9...

  • Page 62: Schematic, Rf20-Cpu Sheet 5/9

    12.2.5 SCHEMATIC, RF20-CPU Sheet 5/9...

  • Page 63: Schematic, Rf20-Cpu Sheet 6/9

    12.2.6 SCHEMATIC, RF20-CPU Sheet 6/9...

  • Page 64: Schematic, Rf20-Cpu Sheet 7/9

    12.2.7 SCHEMATIC, RF20-CPU Sheet 7/9...

  • Page 65: Schematic, Rf20-Cpu Sheet 8/9

    12.2.8 SCHEMATIC, RF20-CPU Sheet 8/9...

  • Page 66: Schematic, Rf20-Cpu Sheet 9/9

    12.2.9 SCHEMATIC, RF20-CPU Sheet 9/9...

  • Page 67: Temp Circuit Board

    12.3 TEMP Circuit Board 12.3.1 SCHEMATIC, RF20-TEMP Sheet 1/3...

  • Page 68: Schematic, Rf20-Temp Sheet 2/3

    12.3.2 SCHEMATIC, RF20-TEMP Sheet 2/3...

  • Page 69: Schematic, Rf20-Temp Sheet 3/3

    12.3.3 SCHEMATIC, RF20-TEMP Sheet 3/3...

  • Page 70: Lc-20A Key-S Board

    12.4 LC-20A KEY-S Board 12.4.1 SCHEMATIC, LC20A-KEY-S Sheet 1/1...

  • Page 71: Maintenance Parts List

    13 Maintenance Parts List 13.1 Consumable Parts List Part Name Part No. Remarks Light source Xenon Lamp ASSY 228-51511-95 Two spacer,BSU-415(037-38871-74) is in accessories. Cell Gasket 228-50422-03 Excluding semi-micro cell Cell Gasket 228-51287-01 For semi-micro cell Flow Cell 228-48626 Excluding semi-micro cell Cell, Semi-micro 228-50502 For semi-micro cell...

  • Page 72: Flow Cell/Piping Parts Maintenance Parts List

    Motor ASSY EM 228-45948-91 Grating motor Motor ASSY Hg Mirror 228-45744-95 Exclusively for XS Belt, EX 228-45937 Grating drive timing belt Belt, EM 670-11222 Grating drive timing belt PMT Base ASSY, XS 228-51703-91 W/ PMT socket for XS PMT Base ASSY 228-51703-92 W/ PMT socket for 20A Photomultiplier R212...
  • Page 73  Block, Bushing, Cell 228-51286   Cell Block, PEEK 228-45868-01    Gasket, Cell 228-50422-03  Gasket, Cell SM 228-51287-01     Gasket, EM Mirror 228-45869  Gasket, EM Lens 228-51176    Fixing Screw, EX Cell 228-51949-01 ...

  • Page 74: Electrical And Other Parts List

    13.2.3 Electrical and Other Parts List Part Name Part No. Remarks Fuse 5AT, 250 V 072-02004-23 Printed Circuit Board, RF20- 228-45784-45 EEP-ROM mounted EEPROM 075-26526-01 Printed Circuit Board, RF20- 228-50355-45 Exclusively for XS TEMP Printed Circuit Board, LC20- 228-45600-42 Printed circuit board built into control panel KEY-S Display, VFD, CU16025- 228-51558-01...

  • Page 75: Flow Cell Unit

    14 Flow Cell Unit 14.1 Standard Flow Cell Unit 14.1.1 Cell Structure Screws O-ring Rear plate Emission- Excitation-side mirror fixing screw side lens Spacer Excitation- Lens holder side mirror Spacer Cell housing fixing screws Cell Cell gasket Cell inlet Screws Cell housing pipe Excitation-...

  • Page 76: Flow Cell For Semimicro (Option)

    14.2 Flow Cell for Semimicro (Option) 14.2.1 Specifications Flow Cell for Semimicro P/N: 228-51950-91 3 μL Cell Capacity 17 μL Capacity from Inlet Pipe Tip to Center of Cell 7 μL Capacity from Center of Cell to Pipe Tip Cell Pressure Resistance 2 MPa {19.7 kgf/cm Wetting Parts Materials SUS316L, Quartz, PTFE, PEEK...

  • Page 77: Flow Cell For Inert Lc (Option)

    14.3 Flow Cell for Inert LC (Option) 14.3.1 Specifications Flow Cell for Inert LC P/N: 228-51951-91 12 μL Cell Capacity 16 μL Capacity from Inlet Pipe Tip to Center of Cell 16 μL Capacity from Center of Cell to Pipe Tip Cell Pressure Resistance 2 MPa {19.7 kgf/cm Wetting Parts Materials...

  • Page 78: Type Of Photomultiplier (Option) And Replacement Procedure

    15 Type of Photomultiplier (Option) and Replacement Procedure 15.1 Type and Settable Wavelength Range Settable Wavelength Model Remarks Range Photomultiplier R212 (20A Standard) 200-75033 Photomultiplier R11568(New 20A 200 to 650 nm 10AXL Standard 228-59173 Standard) Photomultiplier R3788 (XS Standard, 10AXL Super 200-75031 200 to 750 nm 20A Option)

  • Page 79: Replacing The Photomultiplier

    15.4 Replacing the Photomultiplier 15.4.1 Overview of Replacement Procedure Follow the procedure below to replace the photomultiplier.  Use the existing photomultiplier to measure the peak value of the Raman spectrum of water (F value).  Replace the photomultiplier.  Calibrate the wavelength. ...
  • Page 80 (2) The PMT unit assembly is stored in the instrument. Remove the three screws indicated below, then screw two of the screws into the two M4 threaded holes indicated below (hand tight is fine). Use the screws just inserted to pull the PMT unit assembly out from the main unit.

  • Page 81: Calibrating The Wavelength After Photomultiplier Replacement

    Pull the photomultiplier from its socket and replace it with the optional photomultiplier (do not disassemble other parts). Photomultiplier Photomultiplier window Reassemble the assembly and reinstall the PMT unit assembly by reversing the procedure above. Note: When fastening the PMT housing assembly to the PMT base assembly, fasten them so the slit in the PMT housing assembly is as close to the photomultiplier window as possible.

  • Page 82: Adjusting [Sens1]

    Adjust the "-HV SENS2 xxx" voltage value according to the "-HV SENS2 xxx" value in the FACTORY mode, so that signal value on the WS matches the F value recorded before replacing the photomultiplier (50, for example). 15.6.3 Adjusting [Sens1] (1) Set [GAIN] to 1 (x1) and [SENS] to 1 (high).

  • Page 83: Removing Front Panel Assy

    16.2 Replacement Procedure 16.2.1 Removing Front Panel ASSY Remove the Front Panel ASSY, referring to 6.4 Preparations for Adjustment. 16.2.2 Removing Emission Monochromator emission monochromator, Remove the referring to 6.4 Preparations for Adjustment. EM monochrome meter - 83 -...

  • Page 84: Removing Xenon Lamp

    16.2.3 Removing Xenon lamp Remove the Xenon lamp for safety reasons. Xe lamp 16.2.4 Removing All Cables Connecting to Optical System Remove all cables connecting with the MAIN Board, TEMP Board to the optical system. - 84 -...

  • Page 85: Removing Xenon Power Supply Cable

    16.2.5 Removing Xenon Power Supply Cable Loosen the two screws so that the Xenon power supply cable can be removed. Xe power supply high-pressure output terminal (cable fixed screw) 16.2.6 Removing Power Supply Cable Loosen the two cable clamps so that the power supply cable can be removed. Clamp,E-20-3C - 85 -...

  • Page 86: Removing Three Screws For Fixing Optical System

    16.2.7 Removing Three Screws for Fixing Optical System 16.2.8 Removing Optical System Lift up the optical system so that it can be removed. - 86 -...

  • Page 87: Removing Four Screws For Fixing Base Assy

    16.2.9 Removing Four Screws for Fixing Base ASSY 16.2.10 Removing Photomultiplier Cable Loosen the two cable clamps so that the photomultiplier cable can be removed. - 87 -...
  • Page 88 Clamp wire,S-514 Clamp wire,S-514 - 88 -...

  • Page 89: Removing Pmt Unit Assy

    16.2.11 Removing PMT Unit ASSY Loosen the screws so that the PMT Unit ASSY can be removed. PMT Unit ASSY 16.2.12 Removing Base ASSY - 89 -...

  • Page 90: Re-Assembling Base Assy

    PMT Unit ASSY Base ASSY,XS Removing the Base ASSY has been completed successfully. 16.3 Re-Assembling Base ASSY Replace the Base ASSY, XS with the new one. Then return parts to their original positions by following the above procedures in reverse order. 16.4 Adjustment of Emission Monochromator Optical Axis The adjustment of the optical axis at the EM side is necessary, since it may be out of position when the Base ASSY is replaced,...

  • Page 91: Disconnecting Peltier Assy From Base Assy, Xs (For Reference)

    16.6 Disconnecting Peltier ASSY From Base ASSY, XS (For reference) 1. Loosen the five screws so that the Block part can be removed. Block part 2. Disconnect the Peltier ASSY from the Base ASSY. The Peltier ASSY (228-51008-41) cannot be purchased as a maintenance part. HEAT SINK,HSC-100 are painted.

This manual is also suitable for:

Rf-20axs

Table of Contents

Save PDF