Instruction Manual And Safety Information

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Instruction Manual and Safety InformationDMA 35Portable Density Meter(Original Instructions)

DisclaimerThis document may contain errors and omissions. If you discover any sucherrors, or if you would like to see more information in this document, pleasecontact us at our address below. Anton Paar assumes no liability for anyerrors or omissions in this document.Changes, copyright, trademarks, etc.This document and its contents may be changed or amended by Anton Paarat any time without prior notice.All rights reserved (including translation). This document, or any part of it,may not be reproduced, changed, copied, or distributed by means ofelectronic systems in any form (print, photocopy, microfilm, or any otherprocess) without prior written permission by Anton Paar GmbH.Trademarks, registered trademarks, trade names, etc. may be used in thisdocument without being marked as such. They are the property of theirrespective owner.Further informationPublished by Anton Paar GmbH. Printed in Austria.Copyright 2020 Anton Paar GmbH, Graz, AustriaAddress of the instrument producer:Anton Paar GmbHAnton-Paar-Str. 20A-8054 Graz / Austria – EuropeTel: 43 (0) 316 257-0Fax: 43 (0) 316 257-257E-Mail: info@anton-paar.comWeb: www.anton-paar.comDate: 12 August 2020Document number: E28IB002EN-MValid for the following instrument software versions:for standard type DMA 35: from 1.011for type DMA 35 Ampere: from 1.011for types DMA 35 Ex and DMA 35 Ex Petrol: from 1.003

Contents1 Safety Instructions . 62 DMA 35 – An Overview . 102.1 Measuring Principle . 112.2 Functional Components . 123 Checking the Supplied Parts . 144 Putting DMA 35 into Operation . 174.1 Connecting the Filling Tube . 174.2 Mounting the Syringe Adapter . 174.3 Switching the Instrument On/Off . 175 Operating DMA 35 . 185.1 Main Screen . 185.2 Key Functions . 195.3 Quick Access Area . 205.4 Menu Navigation . 215.5 Entering Text or Numbers . 215.6 Selecting from a List . 215.7 Operation by Gestures . 226 Instrument Settings . 236.1 Setting the Language . 236.2 Setting Date and Time . 236.3 PIN Protection . 236.4 Display Settings . 256.5 Sound Settings . 256.6 Display Units for Density and Temperature . 256.7 Enabling / Disabling Gesture Control . 266.8 Reset to Factory Settings . 267 Measurement Settings . 277.1 Setting the Measurement Mode . 277.2 Methods . 287.2.1 Managing Methods . 297.2.2 Assigning a Method to a Measurement . 307.2.3 Defining Limits . 307.2.4 Calculating the Temperature Coefficient Alpha . 317.3 Custom Parameters . 317.4 Output Fields on the Main Screen . 32E28IB002EN-M3

7.5 Sample IDs .7.5.1 Managing Sample IDs .7.5.2 Assigning a Sample ID to a Measurement .7.6 Using the RFID Function .8 Checks and Adjustments .8.1 Performing a Water Check .8.2 Performing a Water Adjustment .8.3 Performing a Custom Adjustment .8.4 Reset to Factory Adjustment .9 Measuring .9.1 Checks Before the Measurement .9.2 Filling the Sample .9.2.1 Filling with the Filling Tube .9.2.2 Filling with a Syringe .9.3 Performing a Measurement .10 Measurement/Check Data in the Data Memory .10.1 Viewing Data .10.2 Printing Data .10.3 Exporting Data to a PC .10.4 Deleting Data .11 Bluetooth Connections / File Transfer / Data Transfer .11.1 Setting up Bluetooth Connections .11.1.1 Setting up the Connection to a PC .11.1.2 Setting up the Connection to a Printer .11.2 File Transfer via Bluetooth .11.2.1 Importing Files from a PC .11.2.2 Exporting Files to a PC .11.3 Sending Data to a Terminal Program on a PC .12 Troubleshooting .13 Upkeep and Cleaning .13.1 Cleaning the Measuring Cell .13.2 Cleaning Interval .13.2.1 Cleaning at the End of a Measurement Series .13.2.2 Cleaning Visible Residues in the Measuring Cell .13.2.3 Cleaning Agents – Recommendations .13.3 Cleaning the Filling Pump .13.4 Cleaning the Housing and the Display .13.5 Storing the Instrument .13.6 Exchanging the Batteries 464646474850505051515153555656E28IB002EN-M

13.7 Exchanging the Pump Lever .13.8 Software Update .13.9 System Information .14 Maintenance and Repair .14.1 Maintenance Performed by an Authorized Anton PaarService Engineer .14.2 Repair Performed by an Authorized Anton PaarRepresentative .Appendix A: Technical Data .A.1: Specifications .A.2: Instrument Data and Operating Conditions .A.3: Wetted Parts .Appendix B: Density of Water .Appendix C: Measuring Parameters .C.1: Parameter Overview .C.2: Additional Settings .C.3: Parameter Details .Appendix D: Example Files .Appendix E: EU Declaration of Conformity .Appendix F: EU-Type-Examination Certificate .E28IB002EN-M5858595959606161626263646468687071745

Download Anton Paar documents for free from the Anton Paar website:http://www.anton-paar.com1 Safety Instructions Read this document before using the instrument. Follow all hints and instructions in this document to ensure the correctuse and safe functioning of the instrument. The manual is a part of the product. Keep it for the complete working lifeof the product and make it easily accessible for all persons involved withthe product. If you receive any additions to or revisions of the manualfrom Anton Paar, these must be treated as part of the manual.1.1 Liability This document does not claim to address all safety issues associatedwith the use of the instrument and samples. It is your responsibility toestablish health and safety practices and to determine the applicabilityof regulatory limitations. Anton Paar GmbH only warrants the proper functioning of the instrumentif no modifications are made to mechanics, electronics, or software. Use the instrument only for the purpose described in the document.Anton Paar GmbH is not liable for damages caused by incorrect use ofthe instrument. The results delivered by the instrument depend not only on the correctfunctioning of the instrument, but also on various other factors. Wetherefore recommend that you have the results checked (e.g. plausibilitytested) by skilled persons before consequential actions are taken basedon the results.1.2 Installation and Use The installation procedure shall be carried out only by authorized personswho are familiar with the installation instructions. Use only accessories, consumables or spare parts supplied or approvedby Anton Paar GmbH. Ensure that all operators have been trained beforehand to use theinstrument safely and correctly. Ensure that the instrument is sufficiently supervised during operation.6E28IB002EN-M

In case of damage or malfunction, do not continue operating the instrument. Do not operate the instrument under conditions which could resultin damage to goods or injuries or loss of life. Do not expose the instrument to temperatures below 0 C (32 F) whenthe measuring cell contains water. Freezing water will cause rupture ofthe measuring cell. The instrument is not insulated against high voltages. Measuring samplesunder high voltage (e.g. in energized battery banks) bears the risk of anelectric shock. Define appropriate testing procedures and safety measures to protect yourself from any electric shock.Operation in areas with risk of explosion Standard type DMA 35 and DMA 35 Ampere are not explosion-proofand therefore must not be operated in areas with risk of explosion. In areas with risk of explosion, only operate instruments marked with anEx sign ( ) according to ATEX. By attaching the Ex sign according to ATEX, Anton Paar GmbH confirmsthat the intrinsically safe DMA 35 (types DMA 35 Ex and DMA 35 ExPetrol) meets the requirements of the EU type-examination certificateaccording to ATEX (directive 2014/34/EU), see appendix F.Do not alter the intrinsically safe DMA 35 in any way. For setup and operation of the intrinsically safe DMA 35, refer to corresponding norms and regulations in the EU type-examination certificate,see appendix F. It is your responsibility to ensure that the planned useof the instrument conforms to its specification as stated on the Ex signand the EU type-examination certificate. The intrinsically safe DMA 35 (types DMA 35 Ex and DMA 35 Ex Petrol)must not be insulated from earth potential when operated or placed in ahazardous area. The instrument is grounded via the hand of the user oran earthed conductible board. Ensure proper alternative grounding whenyou wear insulating gloves. Should any mechanical damage be visible on the DMA 35 Ex or DMA 35Ex Petrol (e.g., after the instrument has been accidentally dropped),remove the instrument immediately from areas with risk of explosion andcontact your local Anton Paar representative for a repair service.Outside the area with risk of explosion, also check underneath therubber housing for possible damage.To prevent damage from falls, use the carrying straps supplied byAnton Paar.E28IB002EN-M7

In areas with risk of explosion, the instrument must be used only with thecorrect rubber housing for the measuring cell properly mounted. In areas with risk of explosion, use only accessories (filling tube, adapter,syringes) supplied by Anton Paar. In areas with risk of explosion, use only the carrying straps includingsnap hooks supplied by Anton Paar. In areas with risk of explosion, use only passive RFID tags. RFID tags that you use in areas with risk of explosion must not bedamaged. Never open the battery compartment in areas with risk of explosion.Exchange the batteries only outside hazardous areas. The dismounted battery compartment is not a safe part. Do not carry aspare battery compartment with you in areas with risk of explosion.Batteries With the intrinsically safe DMA 35 (types DMA 35 Ex and DMA 35 ExPetrol), use only alkaline batteries type Varta Industrial 4006.General precautions Observe and adhere to your national safety regulations regarding thehandling of all substances associated with your measurements (e.g. usesafety goggles, gloves, respiratory protection, etc.). Before a measurement, check the wetted parts of the instrument forchemical resistance to the samples and cleaning agents used.Precautions for flammable samples and cleaning agents Keep potential sources of ignition, like sparks or open flames, at a safedistance from the instrument. Store only the minimum required amount of sample, cleaning agents,and other flammable materials near the instrument. Do not spill sample/cleaning agents or leave their containers uncovered.Immediately remove spilled sample/cleaning agents. Ensure that the setup location is sufficiently ventilated. The environmentof the instrument must be kept free of flammable gases and vapors. Provide fire-extinguishing equipment.8E28IB002EN-M

1.3 Service and Repairs Service and repair procedures may be carried out only by authorizedpersonnel or by Anton Paar GmbH. Disassembly of the measuring cell by unauthorized persons will voidany warranty.1.4 Disposal Concerning the disposal of the instrument, observe the legalrequirements in your country.1.5 Conventions for Safety MessagesThe following conventions for safety messages are used in this document:WARNINGDescription of riskWarning indicates a hazardous situation which, if not avoided, couldresult in death or serious injury.CAUTIONDescription of riskCaution indicates a hazardous situation which, if not avoided, could resultin minor or moderate injury.NOTICEDescription of riskNotice indicates a situation which, if not avoided, could result in damageto property.E28IB002EN-M9

2 DMA 35 – An OverviewThe portable density meter DMA 35 measures the density of liquids in g/cm3or kg/m3 by the oscillating U-tube method. Apart from density you can selectvarious further measuring units (relative density, density at reference temperature, concentrations). A temperature sensor measures the sample temperature directly at the measuring cell. The temperature is displayed and canbe used internally for automatic temperature compensation of the densityreading if required.Owing to the compact design, it is easy to perform measurements of samplesthat are difficult to access. A TFT display ensures clear visibility of results,even in dark surroundings. At the same time the backlight of the oscillatorenables you to observe the filling process in detail.Samples are filled into the measuring cell using the built-in pipette-stylepump or a syringe. You can allocate sample IDs to your samples for easieridentification.DMA 35 is operated via keys on the front. Up to 1024 measured data can bestored in the memory of the DMA 35 density meter and can be recalled,exported to a PC, or printed later. The transfer of the stored measured datato a printer or PC is done wirelessly using the integrated Bluetooth interface.DMA 35 is additionally equipped with an RFID interface. Via this interface,sample IDs and methods can be uniquely linked to an RFID tag. Later on, byreading the RFID tag, you can switch quickly and easily between differentsample IDs and methods, which further increases the efficiency of yourmeasuring process.Four different versions of DMA 35 are available:- DMA 35- DMA 35 Ex- DMA 35 Ex Petrol- DMA 35 AmpereDMA 35 Ex and DMA 35 Ex Petrol are both intrinsically safe and specificallydesigned for the measurement of flammable chemicals (DMA 35 Ex) orpetroleum samples (DMA 35 Ex Petrol) in hazardous environments.DMA 35 Ampere is designed for the density measurement of battery acid, i.e.sulfuric acid.10E28IB002EN-M

2.1 Measuring PrincipleDefinition of densityThe density (ρ) of a sample is defined as its mass (m) divided by its volume (V):m ----VAs the volume changes with temperature, density is a temperature-dependent measuring unit.The oscillating U-tube methodThe sample is introduced into a U-shaped borosilicate glass tube that is beingexcited to vibrate at its characteristic frequency. The characteristic frequencychanges depending on the density of the sample. With the determination ofthe characteristic frequency, the density of the sample can be calculated. Dueto the temperature dependency of the density value, the temperature of thesample has to be determined precisely.Concentration measurementIn binary mixtures, the density of the mixture is a function of its composition.Thus, with the aid of density/concentration tables, the density value of abinary mixture can be used to calculate its composition.This procedure is also applicable for so-called quasi-binary mixtures. Thesemixtures contain two major components and some additional ones in verysmall concentrations compared to the two main components.Many decarbonated soft drinks, for example, can be considered to be quasibinary mixtures of sugar and water because the concentrations of flavors andacids are very small compared to those of sugar and water. Hence, the sugarconcentration can be determined with a density meter.The same holds for the determination of the alcohol concentration in distilledspirits that can be considered to be quasi-binary mixtures of ethanol andwater.E28IB002EN-M11

2.2 Functional ComponentsFrontRear261312641375118910Fig. 1: Views of the instrumentFront1 LC display2 Power ON/OFF key3 Function keys4 Delete key5 Data storage key6 Arrow keys127 Filling pump8 Screw plug9 Eyelet for carrying strap10 Filling tube11 Measuring cellRear12 RFID interface and type platewith serial number13 Screw of battery compartmentE28IB002EN-M

Table 1: Keys on the frontPower ON/OFF keyto switch the instrument on and offData storage keyto start a measurementWhen the measurement is finished,the result is stored automatically in theinternal memory.Delete keyto delete the data of the last measurementArrow keysto navigate in the quick access area,in menus, or in selection/character listsFunction keysto activate a key function displayed directlyaboveE28IB002EN-M13

3 Checking the Supplied PartsDMA 35 has been tested and packed carefully before shipment. However,damage may occur during transportation.1. Keep the packaging material (box, foam pieces, transport protection) forpossible returns or for questions from the transportation or the insurancecompany.2. To check the delivery for completeness, compare the supplied parts tothose listed in table 2.3. If a part is missing, contact your local Anton Paar representative.4. If a part is damaged, contact the transportation company and yourAnton Paar representative.Table 2: Supplied partsQty.1Article descriptionMat. no.DMA 35Portable Density Meteror172244187111aDMA 35 AmperePortable Density Meter226130187110a223326aorDMA 35 Exor183056DMA 35 Ex Petrol183057Portable Density Meter(incl. Rubber housing measuringcell Ex, mat. no. 194159, alreadymounted)14E28IB002EN-M

Table 2: Supplied parts (cont.)Qty.Article descriptionMat. no.Carrying case DMA 35/Snap 41(must not be used with DMA 35 Exor DMA 35 Ex Petrol)or177345Carrying case DMA 35 Ex/Ex Petrol(only for use with DMA 35 Ex orDMA 35 Ex Petrol)2102471Pump lever with lock function1652161Rubber housing measuring cell(not with DMA 35 Ex andDMA 35 Ex Petrol)1652141Instruction manual1812071Standard operating procedurebooklet1864361Filling tube 180 mm1722141Adapter Luer ¼" UNF1722111Syringes 2 mL Luer (10 pcs)588021E28IB002EN-M15

Table 2: Supplied parts (cont.)Qty.1aArticle descriptionAllen key 3 mm DIN 911Mat. no.58264OEM versionsTable 3: Optional accessories and consumablesArticle descriptionMat. no.Screw plug ¼" UNF172246Filling tube 600 mm178843Bent filling tube 70 mm / 180 mm227592Rubber housing operating panel177115Rubber housing measuring cell Ex194159Alkaline battery 1.5 V LR6 AA Varta191889Spare wristband for portable instruments92477Set carrying strap DMA 35/Snap177301Bluetooth USB adapter99180ABS disc tag 30 mm, 5 mm hole R/W88443White PVC sticker disc tag 30 mm R/W88445Black laundry tag 30 mm R/W88444Printer CMP-20BT Bluetooth/RS232C97154ISO 17025 calibration density G1157098ISO 17025 extra calibration point157102ISO 17025 re-calibration density G1157099ISO 17025 extra calibration point for re-calibration166443Custom parameter181868Installation custom parameter18179716E28IB002EN-M

4 Putting DMA 35 into Operation4.1 Connecting the Filling TubeScrew in the filling tube by hand until some resistance against further turningcan be felt. Tighten with your fingers only, do not use any tools.Fig. 2: Connecting the filling tube4.2 Mounting the Syringe AdapterFor some applications, e.g. filling samples of higher viscosity, filling with asyringe may be more convenient. To do so, mount the syringe adapter.1. Remove the screw plug (see fig. 1).2. Screw in the adapter Luer ¼" UNF by hand until some resistance againstfurther turning can be felt. Tighten with your fingers only, do not use anytools.4.3 Switching the Instrument On/Off To switch DMA 35 on, tap and hold thekey until the display lights up. To switch DMA 35 off, tap and hold theswitched off.key until the instrument isTIP: For proper operation, cover the entire key area with your finger.E28IB002EN-M17

5 Operating DMA 355.1 Main Screen567843921Fig. 3: Example main screen1234Key functionsStatus barOutput fieldHeader56789MethodSample IDBattery charge status symbolCurrent timeQuick access areaHeaderOn the left of the header, you find information on the currently used method,the sample ID, the number of stored data sets, or the index of the currentlyshown data set, depending on the active mode and function.On the right of the header, the battery charge status and the current time aredisplayed. When activated, the symbol for Bluetooth may also show at the leftof the battery symbol.Table 4: Symbols in the headerThe battery charge status symbol informs you about the batterycharge status. See section 13.6 for details.The RFID symbol shows in the header of the main screen whenan RFID tag is read.The Bluetooth symbol shows in the header of the main screenwhen data are sent via Bluetooth.18E28IB002EN-M

Output fieldsYou can select 2 or 3 sample parameters to be simultaneously displayed onthe main screen. Each parameter is shown in a separate output field.Status barThe status bar shows the status of the instrument or a measurement. Ifapplicable, a progress bar will show the progress of activities.5.2 Key FunctionsThe key functions correspond to the function keys below/above the display(the assignment of keys adapts to the active selection). The following keyfunctions are s the menu and goes to the next higher menu level.Aborts an operation.Initiates deleting a value, or deletes the next character to theleft.Finishes an entry.Switches into editing mode allowing you to enter values orchange the current selection.Enters a character.“Unfreezes” the last measuring result and returns to showingcontinuous live readings.Opens the main menu.Initiates entering a new value.Continues with a procedure, or selects the next item to theright.Rejects a proposition.Confirms a selection, or finishes a procedure.Selects the next item to the left.Prints the selected data.Reads an RFID tag.Saves adjustment data.Starts a procedure.Accepts a intRFIDSaveStartYesE28IB002EN-M19

On the main screen, the right function key can assume the following functionsaccording to the icon selected in the quick access area:FunctionDescriptionCheckQuick access to the checks.DataQuick access to the measurement data.SampleQuick access to the method list and sample ID list for makinga selection.StatusQuick access to the measurement status and any associatedwarning or error message.5.3 Quick Access AreaUse the arrow keys to select a quick access function. Activate the functionwith the right function key.The following quick access functions are available:IconFunction“Status” functionUse it to check the measurement status.The status indicator can assume 3 states: green check mark: status OK yellow symbol with exclamation mark: there is a warningmessage red symbol with lightning: there is an error message“Sample” / “Sample ID” functionUse it to select a measuring method and a sample ID for the nextmeasurement.“Data” functionUse it to view measurement and check data stored in the datamemory.“Check” functionUse it to initiate a check.20E28IB002EN-M

5.4 Menu Navigation Use the function keys to switch menus and to trigger selection-specificactivities. Use the arrow keys to navigate within menus and to select an item.With longer screen content, a black scroll bar will show on the right ofthe scrollable area. Use the arrow keys to scroll through the content.5.5 Entering Text or NumbersAfter you have switched into editing mode, you see a selection bar on theright of the screen:1. Use the arrow keys to select the next character/digit to enter.TIP: Keep the arrow keys pressed to scroll through the selection bar quickly.Select the red left arrow , if available, to edit the previous position (onecharacter to the left).Select the red left arrow with shaftcharacter., if available, to delete the last2. Tap Enter to enter the selected character at the current position.Tap Prev , if available, to move the current position one character tothe left.Tap Delete , if available, to delete the character left of the currentposition.The editing line will show the whole current text/number.3. Tap Done to finish character entry and to confirm the entered text/number.Tap Cancel at any time to abort character entry and to discard theentered text/number.5.6 Selecting from a ListAfter you have switched into editing mode, you see a selection list folded out:1. Use the arrow keys to select your choice.2. Tap OK to confirm the selected value.Tap Cancel to abort selection.E28IB002EN-M21

5.7 Operation by GesturesYou can start or abort a measurement and also assign method and sampleID to a measurement via RFID by gestures instead of key operation. To beable to do so, enable gesture control in the setup menu (see section 6.7).To start a measurement Turn the instrument to the right as shown in fig. 4, and hold the positionuntil the measurement starts.Fig. 4: Instrument turned to the rightTo abort a measurement1. Turn the instrument to the left as shown in fig. 5, and hold the positionuntil a confirmation message appears.Fig. 5: Instrument turned to the left2. Confirm:- To confirm canceling, turn the instrument to the left again as shown infig. 5, and hold the position until the measurement has stopped.- To continue with the measurement, turn the instrument to the right asshown in fig. 4.To assign method and sample ID to a measurement via RFID Tilt the instrument towards you, and hold the position until “Reading Tag”appears on the s

for standard type DMA 35: from 1.011 for type DMA 35 Ampere: from 1.011 for types DMA 35 Ex and DMA 35 Ex Petrol: from 1.003. E28IB002EN-M 3 Contents

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