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N3-8 Water Bath User's Manual
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1. of prolonged shutdown of this instrument the power plug shall be withdrawn and the instrument shall be covered with soft cloth to avoid dust Note In any of the following cases one should withdraw the power plug of instrument from the power socket contact the supplier or ask maintenance personnel for treatment e The instrument is splashed with liquid e The instrument is rained or watered s The instrument works abnormally especially generates abnormal sound or odor e The instrument is dropped or its casing is damaged e The instrument functions abnormally Warning Not all the safety issues on use of our product are completely described herein Before use of this instrument the user shall work out corresponding safety and health measures and determine their applicable scope 3 Other notes a Before turning on the power switch check the control system and water bath for correct and sure connection wires Correctly insert connection wires without heavy insertion b In case of troubles during operation eliminate them after immediate shutdown and re start the machine to make test Under On state even after elimination of troubles the instrument shall be stopped before restarting c The temperature of the instrument shall be calibrated once every year and after replacement of temperature sensor the temperature shall be re calibrated d When filling liquid into bath cares it shall be avoided splashing liquid taken in
2. 5 37 8 Shiba Minato ku Tokyo 108 0014 Japan Factory Address 1192 Bin An Rd Hi tech Binjiang District Hangzhou 310053 P R China Fax 86 571 87774565 Phone 86 571 87774575 87774558 877 74567 Website http www bioer com cn Email bioer bioer com cn
3. N3 8 Water Bath User s Manual Hangzhou Bioer Technology Co Ltd Note The document would be subject to modification without further notice Without our written consent any portion of the document shall not be copied duplicated or translated into other language Thank you for your use of our product Before use of the instrument please carefully read the instruction In case of unclear issue please immediately contact us We shall provide you our services Thank you for your cooperation File No BYQ61190000000E USM File Version November 2013 Version 1 0 N3 8 Water Bath Important notes 1 Usual practice Note The important information contained herein shall be carefully read Failure to follow the instruction would result in damage or abnormal run of equipment Warning The warning information shall be carefully observed in every operation step or method Failure to correctly observe the instruction would result in damage of equipment or personal injury 2 Safety At any time of operation maintenance or repair of this instrument the following basic safe guidelines shall be followed Failure to follow these guidelines or warning herein would impact on the protection provided to the instrument and the safety criteria for design and manufacturing and the predicted application range of the instrument would be impaired We shall bear no liability for any consequence resulted from user s failure to meet the
4. et weight 8kg 5 Operation instruction 5 1 Structural schematic diagram The structural portion of the instrument includes water bath operation display panel power switch power socket heating element temperature control component and over heat protection component N3 8 Water Bath 5 2 Preparations Connection of power wire The instrument accompanied power wire shall be used and the instrument power switch shall be at Off state After connection the connection between the power wires with instrument socket shall be checked for being too loose and in case of too loose connection replacement shall be made Filling liquid to water bath Before being heated the water bath shall be filled with a given amount of liquid Warning Before starting the instrument shall be filled with a given amount of water In spite of over heat protection function dry burning would still damage the instrument and decrease its service life 5 3 Start After turning on instrument power switch the system conducts self inspection In case of unqualified self inspection it will enter alarm interface and in case of qualified self inspection it will enter working state The parameters of instrument may be set from the operation interface 5 4 Operation During operation process of instrument if it under heating state the green indication lamp on HEAT will light on and in case of stopping heating the said indication lamp will light o
5. ff and the instrument is under constant temperature state Note During heating process of instrument the body shall not be contacted with it to avoid burning 310 Ge do HU Oa HEAT ALARM 5 5 Setting of working temperature From operation interface LED display screen will at utmost 4 digit temperature value 3 integral 2 N3 8 Water Bath and one decimal with a display precision 0 1 C Setting range of 00 0 to 99 9 After pressing SET key and selecting the position corresponding to the digit the selected digit will flash Through pressing up down key the value for the position is selected After 8 seconds from completion of selection and stopping of operation the digit will stop flashing and the system will default the current setting value and will operate in accordance with the value 5 6 Correction of temperature Pressing ADJ key from operation interface it would be entered the working temperature calibration state The setting of temperature is the same to that for working temperature After 8 seconds from completion of setting and stopping of operation the digit will stop flashing and the system will store the calibrated value 5 7 Protection a Dry burning protection The inner tube is fixed with dry burning protector In case of dry burning under no liquid and When the temperature reaches 110 5 C the heating tube will stop heating b Over current protection The power socket of the instrument is bui
6. following requirements a Earth of instrument In order to avoid electric shock accident the input power wires of instrument shall be surely earthed This instrument uses 3 pin earth plug and this plug is provided with a third earth pin and is merely used together with earth type power socket It is a safe unit and is also absolutely necessary for the normal work of instrument If the plug is impossible to be inserted into socket please ask electrician to fix a correct socket and not make the earth plug lose safety protection function The earth of the supply source to the ground shall be well b Apart from live circuit Any operator shall not arbitrarily open instrument to replace element or make inner adjustment which shall be made only by qualified maintenance personnel Any element shall not be replaced under the power on state c Supply source Before connection of AC power supply one shall make sure that the voltage power supply is consistent with the voltage required for the instrument and the rated load of power socket is not below the load required by the instrument In order to ensure safety the phases of power socket of instrument shall be consistent with phases of its power wire plug i e L phase wire N zero wire and E earth wire d Power wire Generally this instrument uses the accompanied power wire Damaged power wire if any shall be replaced with one of the same type and specification and repair sha
7. ll not be allowed During operation of this instrument the power wire shall neither be pressed nor fixed in easy accessible location e Insertion and withdrawal of power wire At insertion and withdrawal of power wire its plug shall be held with hands The plug shall be fully inserted into the socket and at withdrawal of plug the power wire shall not heavily pulled N3 8 Water Bath f Fire protection In order to avoid accident any other mixed solutions of low flash point shall not be used The instrument shall be apart from hot gas furnace and other heat and fire sources No inflammable or explosive shall be placed around the instrument g Placement of instrument This instrument shall be placed in low RH low dusty and well ventilated room free of corrosive gas or strong magnetic field interference and shall not be fixed in wet or dusty place The holes on this instrument are for ventilation and prevention from over heat and shall not be blocked or covered In case of operation of a single instrument the distance between its surrounding ventilation hole and the nearest object shall not be below 300mm Excessively high temperature would impair instrument performances or result in troubles This instrument shall not be used in place subjected to sunshine or strong light radiation For instrument the normal working environment is room temperature 10 30 C and RH lt 70 Before stopping work the power supply shall be turned off In case
8. lt with a current fuse and in case of over current the said fuse will be burnt out and the instrument will stop working Only after elimination of the troubles and replacement of fuse may the instrument be restarted 5 8 Alarm In case of trouble alarm in instrument the red indication lamp at the ALARM position will light on and the instrument will stop running and send out alarm sound After elimination of troubles the red indication lamp will light off alarm sound will stop and the instrument will normally run again a Alarm of open circuit of temperature sensor In case of open circuit of temperature sensor PT100 the red indication lamp will light on and the system will send audio and video alarm and stop heating b Alarm of short circuit of temperature sensor In case of short circuit of temperature sensor PT100 the red indication lamp will light on and the system will send audio and video alarm and stop heating 5 9 Maintenance and clean In case of fuse broken follow the signs on the model to replace If the instruments are dirty scrub with a clean wash cloth and not cleaned with alcohol and other organic solvents After completing each use must be cleaned to prevent rusting N3 8 Water Bath Attached diagram Wiring diagram LA INI Wun asn e Um prog Ae dsa dir 10 mog nuon ve Note G Ge BIOER TECHNOLOGY CO LTD Headquarter Address 1F Sumitomo Mita Building
9. ntent 1 Applications and features Of Product esse 2 Normal working conditions 3 Transport and storage Copndtions oo anakan 5 1 Structural schematic dagram 52 Ge ee 5 3 Start T eR aes elea EE 5 5 Setting of working temperature 5 6 Correction of temperature oooorororoooooooooooo anna BT PROLE CUO EE Sic AAN BEE N3 8 Water Bath 1 Applications and features of product This product is a micro computer controlled thermostatic water bath is characterized by low noise clear display interface easy operation and high safety and reliability and has the functions of LED display temperature calibration alarm and dry burning protection and is widely used in petroleum chemical medicine biochemical light industry scientific research etc 2 Normal working conditions Ambient temperature 10 C 30 C RH lt 70 3 Transport and storage conditions Ambient temperature 20 C 55 C RH lt 80 4 Basic parameters Model Parameter NSS Capacity 8L Range of room temperature 5 99 9 C temperature control Evenness of 0 2 C 37 C temperature SE EE 40 5 C EAR SE 40 8 80 99 9 C emperature EE Guas S100 min Raising from 30 C to 95 C Input power supply 220 240V 50 60Hz OR 110V 60Hz AC250V 5A 5X20mm Fuse AC125V 10A 5xX20mm Input power 600 W Dimensions of inner tube LxWxH 325x265x150 mm Outside dimensions LxWxH 445x285x316 mm N
10. to electrical chamber The medium level in the bath shall be at least 2cm from the bath cover to avoid splashing liquid outside the bath e The medium level in the bath shall not be too low otherwise the displayed temperature would be greatly different from the actual one f In case of temperature inside the instrument bath over 50 C not touch the surface of bath frame or bath cover to avoid burning g When the temperature exceeds the boiling point of water the liquid medium should be replaced with a higher boiling point of the medium According to the different altitude or different media 4 After sales services For our supplied instruments we conduct after sale services as follows a Contents of warranty e In case of trouble resulted from defects in material or workmanship occurring in 1 month from II N3 8 Water Bath the delivery day we shall replace the instrument e We shall provide the entire instrument 12 months of warranty period from the acceptance qualification day and render it lifetime maintenance b Range of warranty e Any damage resulted from user s improper use use under non conforming condition arbitrary maintenance or reform shall be excluded in the warranty range e For repair outside the warranty repair cost shall be properly charged c After sales service hotline 0571 87774558 As per requirements some parameters of the instrument may be modified without notice HI N3 8 Water Bath Co
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