Hitachi UH5300 Instruction Manual Download Page 60 | Manualshive

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3.3.5

3 - 11

Fig. 3-14 Autozero Execution

(3) Sample

measurement

Place the sipping nozzle in the sample, push the sipping lever to
sip the sample, and execute the sample measurement.

NOTE:

Pressing the [START] button without pushing the sipping

lever permits measuring the sample without sipping.

(4) After the completion of the sample measurement, store or print

the measurement data.

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Summary of Contents for UH5300

Page 1: ...300 SPECTROPHOTOMETER Hitachi High Technologies Corporation 24 14 Nishi Shimbashi 1 chome Minato ku Tokyo Japan Copyright C Hitachi High Technologies Corporation 2013 1st Edition 2013 All rights reserved Printed in Japan Part No 3J1 9021 HM N HMS ...

Page 2: ...ed transmitted or disclosed to a third party in any form or by any means without the express written permission of Hitachi High Technologies Corporation 3 Hitachi High Technologies Corporation assumes no liability for any direct indirect or consequential damages arising from use not described in this manual Utmost care must be exercised when using the instrument 4 This document does not provide an...

Page 3: ...that it is allowed only for persons having a basic knowledge of chemical analysis procedures to use this instrument Please read this instruction manual carefully before attempting operation and acquaint yourself with this product for its correct use Be sure to read the Model UH5300 Spectrophotometer s instruction manual also to ensure correct use of this instrument ABOUT THIS INSTRUCTION MANUAL Th...

Page 4: ...cation software due to any possible fault or failure of this instrument 2 Warranty Period One year from the date of initial installation In case a separate warranty document has been issued the warranty period indicated in it takes precedence over the above period 3 Limitations and Exclusions on Warranty Note that the following cases are excluded from the scope of this warranty i e these cases are...

Page 5: ...ion i After disassembly modification or relocation not approved by the manufacturer j Failure due to acts of God including fire earthquake storm flood lightning social disturbance riot crime insurrection terrorism war declared or undeclared radioactive pollution contamination with harmful substances etc k Failure of the hardware or damage to the system software application software or data due to ...

Page 6: ...This Instrument This instrument has a useful service life of seven years after the date of its initial use installation which is estimated under the condition that periodic maintenance checkup replacement of life limited parts and repair of worn parts are carried out as specified in the present instruction manual In use of the instrument under standard operating conditions 8 h day 20 month For usi...

Page 7: ...presentative or service office of our sales representative b For service after the warranty period consult our sales representative or service office of our sales representative with regard to a maintenance and inspection service contract Service will be available on a chargeable basis c The maintenance and consumables of the instrument can be supplied within the useful service life of the instrum...

Page 8: ...aution on Disposal of Instrument Although at present the instrument does not use materials that would directly cause environmental disruption the environmental protection laws and regulations may be revised or amended When planning to dispose of the instrument therefore be sure to check the latest issues of the relevant laws and regulations or consult our sales representative Other Precautions Han...

Page 9: ...y messages following this symbol DANGER Indicates an imminently hazardous situation which if not avoided will result in death or serious injury This warning does not apply to this product WARNING Indicates a potentially hazardous situation which if not avoided can result in death or serious injury This warning does not apply to this product CAUTION Indicates a hazardous situation which if not avoi...

Page 10: ...re to do so could result in personal injury or damage to the instrument Be sure to follow all the methods of use instructed in the manual for proper application of the product Absolutely avoid modifying the product using non specified parts or removing safety devices as it could be hazardous Do not perform any operation or action other than described in the manual On occurrence of any trouble in t...

Page 11: ...rs during operation of the instrument immediately disconnect power to the instrument and take proper safety measures as required Then notify our designated service company Installation Maintenance and Relocation Upon delivery of the product check the contents of the package to see if any item is lost referring to 1 2 2 Check against Packing List in this manual If by any chance the instrument is op...

Page 12: ...otify your nearest Hitachi High Technologies Corporation sales representative or service office of Hitachi High Technologies Corporation sales representative for replacement with a new one The parts having a useful lifetime indicated in this manual must be replaced periodically as specified If the instrument is operated though the replacement of life limited parts has already been required the ins...

Page 13: ...ry due to Entanglement Hands or hair could be entangled in the peristaltic pump Be sure to close the cover of the sample compartment when operating the Auto Sipper Section 3 1 Fatigue due to Long Hours of Operation In operating the instrument watching the display a long hour watching in the same posture can build up fatigue in the eyes or body For your health when operating the instrument for long...

Page 14: ...ut periodic inspection and check whether the system is operating normally Additionally perform measurement of control samples when necessary Electricity Make sure that the power supply to the spectrophotometer is 100 V AC 1 kVA or more 50 or 60 Hz Be sure to prepare a grounding wire together with power cables and confirm that the wire has a ground resistance of 100 or less Class D grounding constr...

Page 15: ... the personal computer used with the instrument and also damages the system software application software and other data To avoid such problems it is recommended to use an AC uninterruptible power source stated according to the Japanese Electronic Industry Development Association guidelines for protection against momentary power voltage drop in personal computers ...

Page 16: ...urs of Operation SAFETY 5 NOTICE SAFETY 6 1 INSTALLATION 1 1 1 1 Outline 1 1 1 2 Checking before Mounting Auto Sipper 1 1 1 2 1 Installation Conditions 1 1 1 2 2 Checking against Packing List 1 3 1 3 Mounting Auto Sipper in Sample Compartment 1 4 1 3 1 Dismounting 6 Cell Turret 1 4 1 3 2 Dismounting Cell Holder for Reference 1 4 1 3 3 Removing Sample Compartment Front Cover 1 5 1 3 4 Attaching Fro...

Page 17: ...surement 3 6 3 3 3 Wavelength Scan 3 8 3 3 4 Time Scan 3 9 3 3 5 Monitor Measurement 3 10 3 4 Checking of Sipping Amount 3 12 3 4 1 Specification to be Checked 3 12 3 4 2 Signs for Replacement of Peristaltic Tube 3 12 3 4 3 Checking Conditions 3 12 3 4 4 Checking Procedure 3 12 3 5 After Measurement 3 13 3 5 1 Cleaning Flow Cell 3 13 3 6 Specifications 3 14 4 MAINTENANCE 4 1 4 1 Periodic Maintenan...

Page 18: ...rotation of the peristaltic pump Fig 1 1 shows an external view of the Auto Sipper Fig 1 1 External View of Auto Sipper 1 2 Checking before Mounting Auto Sipper 1 2 1 Installation Conditions 1 Service temperature 15 to 35 C For measurement in the most stable conditions it is recommended to install the instrument in a room which is air conditioned at 20 to 25 C 2 Service humidity 25 to 80 RH Conden...

Page 19: ... heat up to 70 C or more shall exist nearby d The instrument shall not be placed close to equipment such as electric welders high frequency electric furnace and pole transformers that generates strong electric field or magnetic field e No excessive dusts or litters shall exist f No sharp variation of the power supply voltage shall occur g Do not turn on or off frequently the power source of motors...

Page 20: ...reathe on the flow cell while unpacking Part No Part Name Q ty 3J1 0400 Auto Sipper Main Unit 1 3J1 3214 Front Panel 1 775 1376 Rinsing Liquid 1 3J1 3040 Peristaltic Tubes 5 pcs 1 3J1 3066 Coupling Shaft 1 N315006 Hexagonal Wrench M6 1 171 6129 Sandpaper 1 Fig 1 2 Auto Sipper Configuration Rinsing Liquid Part No 775 1376 Peristaltic Tubes 5 pcs Part No 3J1 3040 Auto Sipper Main Unit Part No 3J1 04...

Page 21: ... mounting procedure is described below 1 3 1 Dismounting 6 Cell Turret Check the fixing screw in the sample compartment Hold the 6 cell turret with hands by its center and loosen the fixing screw Lift the 6 cell turret to dismount Turn the fixing screw counterclockwise to loosen Fig 1 3 Fixing Screw on 6 Cell Turret 1 3 2 Dismounting Cell Holder for Reference 1 Check the cell holder for reference ...

Page 22: ...e compartment front cover on the photometer main unit needs to be removed The following describes the removing procedure of the front cover Open the cover of the sample compartment Referring to Fig 1 6 hold the sample compartment front cover and lift it then the cover will be dismounted Fig 1 7 shows the sample compartment after removal of the front cover Keep the removed cover not to lose it Fig ...

Page 23: ...re the sample compartment front cover was attached Align the tabs on the front panel with the tabs on the instrument and then slide the front panel from the upper side of the tabs downward until it stops Confirm that there is no level difference at the juncture between the front panel and the upper part of the instrument checking that the cover of the sample compartment is closable Front view of t...

Page 24: ...rtion a protrusion on the lower end of the coupling shaft to be attached to the drive motor shaft Attach the coupling shaft to the drive motor shaft so that the axial alignment portion of the coupling shaft will fittingly mate to the slot on the drive motor shaft Fig 1 11 Attaching Coupling Shaft Hexagonal screw Align tabs on the instrument with tabs on the front panel and slide the front panel fr...

Page 25: ...er the slotted screwdriver inserted Fig 1 12 External View of Insertion of Slotted Screwdriver Tighten the hexagonal screw on the coupling shaft using the hexagonal wrench which is an accessory to the spectrophotometer Screw tightening side view Screw tightening top view Fig 1 13 Fixation of Coupling Shaft Insertion slot for fixation Slotted screwdriver Slotted screwdriver Insertion slot for fixat...

Page 26: ...he Auto Sipper Touching the flow cell may cause deviation in the optical axis alignment or damage of the cell 2 Before mounting the Auto Sipper make a connection preparation on the main unit Prepare the cable first In the back of the sample compartment of the main unit a cable cover is provided under which the main unit connection cables are accommodated Press down the knob on the cable cover to o...

Page 27: ...gging introduce the cables into the sample compartment passing through the wiring hole on the cable cover so that the tenon like convex shape portion on the connector will turn to the direction downside being as Fig 1 17 shows Close the cover paying attention not to pinch the cables by the cover Fig 1 17 Attaching Main Unit Connector Main unit connector Clamp Main unit connection cables Main unit ...

Page 28: ... 1 19 External View of Incision on Coupling Shaft Lead out cables sliding through the wiring hole with the tenon like convex shape portion on the main unit connector being in a state downside being If the length of cable lead out is short plugging connector into Auto Sipper connector becomes difficult therefore lead out cables with an enough length referring to the length shown in Fig 1 18 Wiring ...

Page 29: ... Auto Sipper driving shaft is acceptable in any orientation as long as the protrusion fits with the incision on the coupling shaft External view of the Auto Sipper External view of the Auto Sipper driving shaft Fig 1 20 External View of Protruded Portion of Auto Sipper Driving Shaft 5 Confirm the place where the main unit connector is to be plugged Plug the main unit connector into the connector o...

Page 30: ...nt 7 Place the Auto Sipper temporarily In placing provide a working space behind the sipper to permit connecting the main unit connection cables to the Auto Sipper Place the Auto Sipper at a position where the rear thereof comes approximately 10 to 15 cm ahead from the back of the sample compartment of the photometer that is the position where the sipper can sit stably Fig 1 24 Temporary Placement...

Page 31: ... absolutely do not touch the connector contacts with bare hands Touching with bare hands invites poor contact which is a cause of failure 9 Fix the Auto Sipper guide screws to the locating holes on the sample compartment of the main unit while aligning the incision on the coupling shaft of the sample compartment with the Auto Sipper driving shaft In this operation pay attention not to pinch the ca...

Page 32: ...he sipper is placed on the skew Redo placing the sipper in such situation Fig 1 26 Fixation with Guide Screws NOTE Insufficient tightening of the guide screws causes impediment in the Auto Sipper fixing conditions in which case there is a possibility of measurement accuracy deterioration caused by optical axis misalignment of the flow cell 11 Close the cover of the sample compartment Fig 1 27 Exte...

Page 33: ... 1 Unplugging power cord 1 Turn off the power of the spectrophotometer main unit The power switch light goes out 2 Unplug the power cable from the receptacle 1 4 2 Dismounting Auto Sipper Perform the procedure in the reverse order of the fixing operation 1 Loosen two guide screws using the slotted screwdriver which is an accessory to the spectrophotometer In handling the Auto Sipper hold the handl...

Page 34: ...ple compartment of the photometer that is the position where the sipper can sit stably Fig 1 30 Temporary Placement of Auto Sipper NOTICE 1 In handling the Auto Sipper always hold the handle and the upper portion of the front panel Holding other portion may cause damage or deviation in the adjustment 2 Avoid touching the flow cell while handling the Auto Sipper Touching the flow cell may cause dev...

Page 35: ...ing the connector absolutely do not touch the connector contacts with bare hands Touching with bare hands invites poor contact which is a cause of failure 4 Open the cable cover and secure the main unit connection cables on the clamp Then close the cable cover Main unit connector in a state being unplugged from the Auto Sipper Main unit connection cables in a state being secured Fig 1 32 Back of S...

Page 36: ...d screwdriver which is an accessory to the spectrophotometer into the insertion slot for fixation Before inserting the slotted screwdriver After the slotted screwdriver inserted Fig 1 34 Detaching Coupling Shaft 1 Axial alignment portion Insertion slot for fixation Hexagonal screw Insertion slot for fixation Slotted screwdriver Slotted screwdriver Insertion slot for fixation ...

Page 37: ...l used on the Auto Sipper Slide upward to dismount Fig 1 36 Detaching Front Panel 1 4 5 Attaching Sample Compartment Front Cover In attaching the sample compartment front cover check the tabs on the front panel and on the instrument shown in Fig 1 37 Engage the left and right tabs on the sample compartment front cover correspondingly with the tabs on the instrument and then slide the sample compar...

Page 38: ...ample Compartment Front Cover Tabs on sample compartment front cover Tabs on instrument Engage tabs on the sample compartment front cover with tabs on the instrument and slide from the upper side to fix Engage tabs on the sample compartment front cover with tabs on the instrument and slide from the upper side until it stops to fix ...

Page 39: ...e 1 Check the mounting bar for the cell holder for reference located back of the sample compartment Align the locating pins on the bottom of the cell holder for reference with the second and fourth holes from the right on the mounting bar and then insert that cell holder Fig 1 40 Mounting Cell Holder for Reference Confirm that the sample compartment front cover is attached without level difference...

Page 40: ...ow thereon Check then the axial alignment portion a protrusion on the back of the 6 cell turret to be coupled to the drive motor shaft Attach the 6 cell turret to the motor shaft so that the axial alignment portion of that turret will fittingly mate to the slot on the drive motor shaft External view of the sample compartment Shaft on back of the 6 cell turret Fig 1 42 Axial Alignment in Mounting 6...

Page 41: ...o 6 Cell Turret 1 24 2 Hold the 6 cell turret with hands by its center and fully tighten the fixing screw to fix the 6 cell turret With the above the mounting of the 6 cell turret is completed Fig 1 43 Fixing Screw on 6 Cell Turret Fixing screw ...

Page 42: ... 2 1 Operational Mechanism Fig 2 1 shows the configuration of the Auto Sipper system The system employs a peristaltic pump as the liquid delivery pump and is equipped with the inner electric circuit for controlling the system Liquid sample contained in a test tube is sipped through the peristaltic pump into the flow cell The sipping amount can be adjusted according to the rotation time of the pump...

Page 43: ... section describes the details of the measurement section and the liquid delivery mechanism of the Auto Sipper Fig 2 2 Upper Side View of Auto Sipper Fig 2 3 Peristaltic Pump Section Peristaltic pump Lever Peristaltic tube Lever retainer Roller Lever Lever retainer Peristaltic tube IN joint ...

Page 44: ...d through this nozzle into the flow cell Insert the end of the nozzle into a container that contains sample or cleaning agent 2 Peristaltic pump The peristaltic pump rotates while pinching the peristaltic tube between the roller and the lever This pump delivers sample or cleaning agent from the sipper nozzle to the flow cell by utilizing the elasticity of the peristaltic tube that allows fluid to ...

Page 45: ... attached to the drain tube When the pinched peristaltic tube is released after measurement the liquid in the flow cell and in the drain tube is drained through the tube Therefore to prevent the liquid from draining out of the tube close the pinchcock before releasing the pinched peristaltic tube When you start the next measurement open the pinchcock after pinching the peristaltic tube between the...

Page 46: ...eristaltic Tube on Roller Fig 2 10 Schematic Cross sectional View of Peristaltic Tube on Roller 3 Place the IN joint of the peristaltic tube in the slot on the observer s right as viewed from the front of the joint support Pull the tube lightly stretching for eased setting Giving a long time stretching to the tube will invite deterioration of the tube early Loosen therefore the tube after every me...

Page 47: ... the peristaltic tube The lever retainer can be locked by turning it until it clicks Fig 2 13 After Fixing Lever with Lever Retainer NOTE If the lever is not retained by the lever retainer sample fluid is not allowed to flow because the tube will not move peristaltically Confirm that the lever retainer is locked securely Peristaltic tube Lever IN joint Joint support Turn the lever retainer lowerin...

Page 48: ...ever is used for sipping liquid sample to be delivered to the flow cell After inserting the sipper nozzle into the liquid sample to be sipped pushing the sipping lever rotates the peristaltic pump for a period of time set in advance and the liquid sample is sipped and delivered to the flow cell This lever can also be used together with the return key to return the sample after completion of the me...

Page 49: ...RN key is pressed when the following conditions are not fulfilled pushing the sipping lever does not activate the pump but only turns the RETURN key light on Operating conditions of the RETURN key The measurement screen is displayed Air Purge is set at 0 second Sipping of the sample has been processed by pushing the sipping lever before pressing the RETURN key 2 3 3 WASH Key Pressing the WASH key ...

Page 50: ...over of the sample compartment NOTE Be sure to close the cover of the sample compartment when using the Auto Sipper Otherwise correct measurement results may not be obtained CAUTION Injury due to Entanglement Hands or hair could be entangled in the peristaltic pump Be sure to close the cover of the sample compartment when operating the Auto Sipper 3 The sipped sample is discharged into the drain t...

Page 51: ...ystem in reference to the section 2 2 1 Starting Up Instrument of INSTRUCTION MANUAL FOR MODEL UH5300 SPECTROPHOTOMETER 3 2 Setting Measurement Conditions 3 2 1 Selecting Measurement Item 1 After checking the above items 1 through 4 press Measurement button icon on the top page Fig 3 3 Measurement Menu Screen Pull toward the arrow to release Pinchcock ...

Page 52: ...conditions refer to the chapter 4 First Time Measurement of INSTRUCTION MANUAL FOR MODEL UH5300 SPECTROPHOTOMETER Fig 3 5 Auto Sipper Setting Screen Sipping Time This is the processing time for sipping sample caused by pushing the sipping lever The time is settable within the range of 0 60 0 seconds at 0 1 second intervals When the viscosity of sample is equal to that of pure water approx 1 5 mL c...

Page 53: ...sure a sample of organic solvent or a sample at a temperature that is not close to 25 C it is recommended to set the Delay Time at 20 seconds or more Air Purge This is the processing time for air washing inside the flow cell after measurement of sample that is sipped by pushing the sipping lever The time is settable within the range of 0 0 and 1 0 60 0 seconds at 0 1 second intervals When the time...

Page 54: ...bbles increase the Sipping Time i e to 10 seconds or longer NOTE When sipping with the Auto Sipper for the first time the cell is not filled with liquid yet thus the suction power will be not fully exerted Therefore expel air from the cell before the first time use To expel air flow pure water through the flow cell for 2 minutes or more operating the WASH key referring to the description in Sectio...

Page 55: ...ent and the sample measurement Pay attention to the viscosity and temperature of each solution in setting 2 Sipping of autozero sample After moving to the measurement screen the autozero execution window is displayed Place the sipping nozzle in the sample solution for autozero push the sipping lever to sip the solution to measure the autozero automatically To execute an autozero between an interva...

Page 56: ... repeating this process Fig 3 9 Standard Solution Measurement NOTE To execute the measurement of standard solution without sipping the solution press the START button on the screen without pushing the sipping lever 4 Sample measurement After the completion of the standard measurement place the sipping nozzle in the sample solution push the sipping lever to sip the solution and execute the measurem...

Page 57: ... Given below is the general measurement procedure for wavelength scan 1 Switching to measurement screen After setting the conditions press the Measurement button on the screen to move to the measurement screen Fig 3 10 Screen to Proceed to Measurement Screen To execute the baseline correction between an interval of sample measurements press baseline correction icon and follow the guidance to execu...

Page 58: ...measurement screen After setting the conditions press the Measurement button on the screen to move to the measurement screen Fig 3 12 Screen to Proceed to Measurement Screen 2 Sipping of autozero sample After moving to the measurement screen the autozero execution window is displayed Place the sipping nozzle in the sample solution for autozero and push the sipping lever to sip the solution to meas...

Page 59: ...rement Given below is the general measurement procedure for monitor measurement 1 Switching to measurement screen After setting the conditions press Measurement button on the screen to move to the measurement screen 2 Sipping of autozero sample Press autozero icon on the screen Place the sipping nozzle in the sample solution for autozero push the sipping lever to sip the solution and measure the a...

Page 60: ... in the sample push the sipping lever to sip the sample and execute the sample measurement NOTE Pressing the START button without pushing the sipping lever permits measuring the sample without sipping 4 After the completion of the sample measurement store or print the measurement data ...

Page 61: ... a month and whenever the sipping amount falls out of the range shown in the section 3 4 1 above and whenever the peristaltic tube shows any signs of deterioration such as loss of transparency Refer to the chapter 4 for the replacement procedure 3 4 3 Checking Conditions Measurement Mode Quantitative calculation Abs measurement Sipping Time 5 seconds Delay Time 5 seconds Air Purge 1 second Sample ...

Page 62: ... Section 2 2 4 Releasing Peristaltic Tube of this manual for releasing procedure NOTE Be sure to close the pinchcock before releasing the peristaltic tube setting Otherwise the rinsing liquid flows out of the flow cell 6 Close the cover of the Auto Sipper 7 Turn off the power of the spectrophotometer main unit NOTICE Do not make the inside of the flow cell be dry If dried dirt or stain will adhere...

Page 63: ...ll Capacity Approx 50 µL Optical Path Length 10 mm 6 Measurement Reproducibility Within the range of 0 003 Abs Conditions Wavelength 260 nm Sample Pure water Sipping Time 5 seconds Delay Time 5 seconds Air Purge 1 second Room Temperature 25 C Excluding drift 7 Baseline Flatness Within the range of 0 008 Abs Conditions Flow Cell Pure water sipped for 5 seconds or more Wavelength Range 850 to 220 nm...

Page 64: ... seconds or more Wavelength 260 nm Time Scan 60 seconds Response Standard 9 Service Temperature 15 to 35 C 10 Temperature Gradient 5 C h 11 Operating ambient humidity 25 to 80 RH Condensation is not allowed Where the temperature is 30 C or more control the relative humidity to 70 RH or below ...

Page 65: ...with neutral detergent 3 For Auto Sipper not in use for three days or more After washing the flow cell with pure water more than 30 times fill it with neutral detergent 4 If the cell is badly stained clean it in accordance with the following a or b a Wash with alkaline fluid 30 times Wash with pure water 30 times Wash with acid fluid 30 times Wash with pure water 30 times b Wash with pure water 10...

Page 66: ... after using phosphorus free neutral detergents for example Extran MA03 2 This fluid contains approx 5 of hypochlorous acid Therefore be sure to dilute it 50 times 3 The chloride concentration must not exceed 0 5 N If a droplet of this liquid comes into contact with any surface wash the surface sufficiently with pure water 4 If the hypochlorous acid solution diluted 20 times comes in contact with ...

Page 67: ...signs of deterioration such as loss of transparency Refer to the section 4 1 3 for the replacement procedure NOTE 1 Although the peristaltic tube is deformed by being pinched between the roller and the lever the deformation has no influence on the performance 2 Even though the drain tube might be slightly tarnished it is fully available to use 3 The chemical resistance of the peristaltic tube is d...

Page 68: ... out the peristaltic tube from the OUT joint Fig 4 3 Pulling out Peristaltic Tube from OUT joint 4 Pull out the peristaltic tube from the IN joint Be careful not to lose the removed IN joint because it needs to be attached to a new peristaltic tube Fig 4 4 Pulling out Peristaltic Tube from IN joint 5 Prepare a new peristaltic tube IN joint IN joint receptacle OUT joint Peristaltic tube IN joint Pe...

Page 69: ...ic Tube 8 Attach the IN joint to the IN joint receptacle by screwing it Ensure that it is firmly screwed in Fig 4 7 Attaching IN joint to IN joint Receptacle NOTE Insufficient tightening of the IN joint may prevent the sipping process from working properly Ensure that the IN joint is firmly screwed and tightened in the IN joint receptacle 9 With the above the replacement of the peristaltic tube is...

Page 70: ...ltic tube has the chemical resistance as described below NOTE The chemical resistance can be greatly varied depending on the concentration or temperature Therefore the data is intended to be used just for reference Unusable chemicals Acetaldehyde acetonitrile acetone aniline ethylamine ethylene chlorohydrin ether acetyl chloride ethyl chloride methyl chloride aniline hydrochloride paraffinum liqui...

Page 71: ... Aliphatic hydrocarbon methyl alcohol etc NOTICE When using a chemical requiring caution wash away the chemical with pure water immediately after the use If the tube is softened hardened or significantly tarnished immediately stop using it ...

Page 72: ...e done accurately 4 4 Replacement Parts 4 4 1 Consumables Given below is the information of the consumable item Pay attention not to run out of the spares and place an order with the dealer from whom you purchased the instrument or our designated service company before the stock is completely running out Part No Part Name 3J1 3040 Peristaltic Tube 4 4 2 Timely Replacement Item Given below is the i...

Page 73: ...o Sipper tab does not appear in the measurement condition setting 1 The Auto Sipper connection cord is not plugged 2 Reason other than 1 1 Install the connection cord between the Auto Sipper and the main unit according to the procedure described in 1 3 Mounting Auto Sipper in Sample Compartment of this instruction manual 2 Turn OFF the power switch and turn On again If the same symptom arises cont...

Page 74: ...ture dependence of the sample properties is large 6 The last measured sample has remained in the instrument 7 The liquid in the flow cell is not steady 8 Inside the tubing such as the sipping nozzle has contamination 9 The viscosity of the sample is high 10 The cover of the sample compartment is not closed 1 Wash the flow cell according to the procedure described in 4 1 Periodic Maintenance of thi...

Page 75: ...described in 4 1 Periodic Maintenance of this instruction manual and then conduct the performance review If the situation is still not improved contact our service office of Hitachi High Technologies Corporation sales representative The results of the performance review of the baseline flatness falls out of specification The results of the performance review of the noise level falls out of specifi...

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