Page 1 KERN & Sohn GmbH Ziegelei 1 Phone: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-Mail: info@kern-sohn.com Internet: www.kern-sohn.com Operating manual Universal density determination set for KERN Analytical balances KERN YDB-03 Version 1.4 2021-03 YDB-03-BA-e-2114...
Page 2: Table Of Contents
KERN YDB-03 Version 1.4 2021-03 Operating manual Universal density determination set for KERN Analytical balances Contents INTRODUCTION ..........................5 ......................... 5 COPE OF DELIVERY DIMENSION [MM] .......................... 8 PRINCIPLE OF DENSITY DETERMINATION ................11 ..............12 NFLUENCING MAGNITUDES AND ERROR SOURCES COMMISSIONING ........................
Page 3 KERN ADB / ADJ S ..................... 74 ERIES DETERMINING DENSITY OF LIQUIDS ..................75 ................75 ETERMINATION OF THE SINKER VOLUME KERN ABS-N, ABJ-NM, ACS, ACJ ................. 76 ERIES 6.2.2 Determining density of the test liquid ................78 KERN TACS / TACJ....................81 ERIES 6.3.1...
Page 4 Surface ........................... 113 7.2.5 Sinker for density determination of liquids ..............113 ....................... 113 ENERAL INFORMATION 7.3.1 Density / Relative Density ....................113 7.3.2 Drift of Balance Display ....................113 DENSITY TABLE FOR LIQUIDS ....................114 USER INSTRUCTIONS ......................115 YDB-03-BA-e-2114...
Page 5: Introduction
1.1 Scope of delivery  Check packaging and density determination set immediately when unpacking for possible visible damage.  Make sure that all parts are completely present.  Frame  Platform YDB-03-BA-e-2114...
Page 6  Beaker  Universal immersion basket for sinking and floating solid matter  Sinker 20 g stainless steel weight  Thermometer  Compensation weights (3 pairs) YDB-03-BA-e-2114...
Page 7  Adapter (5 items)  Allen wrench + screw YDB-03-BA-e-2114...
Page 8: Dimension [Mm]
2 Dimension [mm] Frame YDB-03-BA-e-2114...
Page 9 Universal immersion basket for floating and descending solid matter Sample dish YDB-03-BA-e-2114...
Page 10 Platform Beaker YDB-03-BA-e-2114...
Page 11: Principle Of Density Determination
1 kg, has the volume of 1 m³. Additional frequently applied units include: The application of this density determination set in combination with the KERN analytical balances provides fast and safe density determination of solids and fluids.
Page 12: Influencing Magnitudes And Error Sources
3.1 Influencing magnitudes and error sources  Air buoyancy  Temperature  Surface tension of the liquid  Adhesion of liquid on the wire  Air bubbles  Immersion depth of the sample dish or of the sinker  Porosity of the solid YDB-03-BA-e-2114...
Page 13: Commissioning
4 Commissioning The density determination set KERN YDB-03 can be used with the following series of the KERN analytical balance:  KERN ABJ-N, ABS-NM  KERN ABP  KERN ABT  KERN ACS, ACJ  KERN TACS,TACJ  KERN ADB, ADJ ...
Page 14: Allocation List For Adapter And Compensation Weights
ABS-N ACS/ACJ ALS-A ALT-B ABJ-NM TACS/TACJ ALJ-A TALJG-A TALSG-A Compensation weights required    AES-C, AEJ-CM ADB, ADJ Adapter   AES-C, AEJ-CM AET 200-4NM AET 100-5M ADB, ADJ AET 500-4 AET 200-5DM Compensation weights  required required YDB-03-BA-e-2114...
Page 15: Preparing The Frame
4.2 Preparing the frame Before the frame is placed on the balance, assemble the adapter belonging to the scale, see allocation list chap. 4.1. Use the Allen wrench and the screw included in the scope of delivery. YDB-03-BA-e-2114...
Page 16: Installation
• For reasons of adjustment, take away the density set and place the standard weighing plate.  Disconnect scale from power supply.  Remove standard weighing plate and accessories such as screening ring and weighing plate carrier. Example of illustration KERN ABP Example of illustration KERN ABS-N / ACS /ABT YDB-03-BA-e-2114...
Page 17: Installing The Density Determination Set
 Close the glass doors. Connect the balance to the power supply and switch on.  Bring liquid and instruments to the right temperature until you achieve a constant temperature. Observe the warm-up time of the balance. To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 18 Example of illustration with installed density sets KERN YDB-03  Upper sample dish of the immersion basket  Frame  Beaker  Lower sifting bowl of immersion basket  Compensation weights  Platform YDB-03-BA-e-2114...
Page 19: Density Determination Of Solids
As aid liquid, usually distilled water or ethanol is used, see density table chapter 8. Preparation:  Install density determination set, see chap. 4.3.2 5.1 Series KERN ABS-N, ACS 5.1.1 Invoke mode for density determination of solid material  Turn on balance by pressing the ON/OFF key.
Page 20  Press the cursor keys ( ) repeatedly until the desired auxiliary fluid is displayed. Select auxiliary fluid of your choice of known density Ethanol Methanol  To confirm, press TARE, "SET" followed by the display used to enter "temperature auxiliary fluid" will appear. YDB-03-BA-e-2114...
Page 21  The weighing balance will display the auxiliary fluid’s density at the entered temperature for about 3 sec and will then change to "density determination solid matter" mode. To change from density mode  to weighing mode press MENU for 3 s. YDB-03-BA-e-2114...
Page 22: Determine Density Of Sinking Solid Bodies (D >1 G/Cm )
(see chap. 5.1.1). 3. Put the solid material into the upper sample dish. Fig.1: Weighing in air The weight of the „sample in air“ is displayed. 4. Wait until stability display ( ) appears, then press UNIT. "SINK" will be shown. YDB-03-BA-e-2114...
Page 23 7. If you connect an optional printer you can print the result. 8. Remove the sample. To carry out further measuring, press UNIT, and then start with step 2. To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 24: Determine Density Of Floating Solid Bodies (D <1 G/Cm 3 )
Printout example KERN YKB-01N: KERN & Sohn GmbH Company TYPE ACS 320-4 Model SN WB11AG0002 Serial no. ID 1234 Balance identification no. 1.2188DS Result -SIGNATURE- prepared by - - - - - - - - - - - - - - - - - 5.1.3 Determine density of floating solid bodies (d <1 g/cm...
Page 25  Put the solid material into the upper sample dish. Fig. 3: Weighing in air The weight of the „sample in air“ is displayed.  Wait until stability display ( ) appears, then press UNIT. "SINK" will be shown. YDB-03-BA-e-2114...
Page 26  If you connect an optional printer you can print the result.  Remove the sample. To carry out further measuring, press UNIT, and then start with step 2. To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 27: Series Kern Tacs, Tacj
5.2 Series KERN TACS, TACJ  Install the density determination module – see ch. 4.3.2 5.2.1 Parameter setting 1. Selection of application  Go to the menu: In the weighing mode, press the MENU button twice.  Press the navigation buttons ( ) until “APL.FUNC”...
Page 28 The # symbol shows that the balance is in the mode for entering a numerical value. The first item flashes, and you can change its value.  Increase the value of the flashing digit  Decrease the value of the flashing digit  Select the digit on the right Confirm entered data YDB-03-BA-e-2114...
Page 29 The displayed density value often fluctuates, and its reading may be difficult. When the function is active, the first result value is shown in the display until it is cancelled with the UNIT button.  Go to the menu: In the weighing mode, press the MENU button twice. YDB-03-BA-e-2114...
Page 30  Go back to the menu by pressing ON/OFF and enter other settings.  Go back to the menu by pressing ON/OFF and enter other settings.  Go back to the density determination mode by repeatedly pressing the ON/OFF button. YDB-03-BA-e-2114...
Page 31 Density of reference liquid ρ Density of air (0.0012 g/cm α  Go to the menu: In the weighing mode, press the MENU button twice.  Press the navigation buttons ( ) until “APL.FUNC” appears.  Confirm by pressing PRINT.  YDB-03-BA-e-2114...
Page 32 “OFF” and “ON”. The current setting is marked by the stabilization indicator. Stabilization indicator “AIR.COR” setting  Go back to the menu by pressing ON/OFF and enter other settings.  Go back to the density determination mode by repeatedly pressing the ON/OFF button. YDB-03-BA-e-2114...
Page 33: Determine Density Of Sinking Solid Bodies (D >1 G/Cm )
2. Make sure that the balance is in the mode "density determination solid material". 3. Put the solid material into the upper sample dish. Fig.1: Weighing in air The weight of the „sample in air“ is displayed. 4. Wait until stability display ( ) appears, then press UNIT. "SINK" will be shown. YDB-03-BA-e-2114...
Page 34 7. If you connect an optional printer you can print the result. 8. Remove the sample. To carry out further measuring, press UNIT, and then start with step 2. To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 35: Determine Density Of Floating Solid Bodies (D <1 G/Cm 3 )
Printout example KERN YKB-01N: KERN & Sohn GmbH Company TYPE ACS 2 0-4 Model SN WB19AG0002 Serial no. ID 1234 Balance identification no. 1.2188DS Result -SIGNATURE- prepared by - - - - - - - - - - - - - - - - - 5.2.3 Determine density of floating solid bodies (d <1 g/cm...
Page 36  Put the solid material into the upper sample dish. Fig. 3: Weighing in air The weight of the „sample in air“ is displayed.  Wait until stability display ( ) appears, then press UNIT. "SINK" will be shown. YDB-03-BA-e-2114...
Page 37  If you connect an optional printer you can print the result.  Remove the sample. To carry out further measuring, press UNIT, and then start with step 2. To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 38: Series Kern Abt
5.3 Series KERN ABT 5.3.1 Invoke mode for density determination of solid material  Turn on balance by pressing the ON/OFF key.   Call up menu: In weighing mode press the CAL key repeatedly until „FUnC.SEL“ is displayed.  Press the TARE key.
Page 39: Enter Density Of The Auxiliary Liquid
To change with the navigation keys enter density of your auxiliary liquid, see chap. 8. UNIT key: Increase the flashing digit PRINT] key: Digit selection to the right TARE key: Confirm entry  Back to menu / weighing mode, press ON/OFF key repeatedly  YDB-03-BA-e-2114...
Page 40: Determine Density Of Sinking Solid Bodies (D >1 G/Cm )
5. If you connect an optional printer you can print the result. 6. Remove the sample. To carry out further measuring, press the CAL-key and start with step 2. To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 41: Determine Density Of Floating Solid Bodies (D <1 G/Cm 3 )
Printout example KERN YKB-01N: KERN & Sohn GmbH Company TYPE ACS 320-4 Model SN WB11AG0002 Serial no. ID 1234 Balance identification no. 1.2188DS Result -SIGNATURE- prepared by - - - - - - - - - - - - - - - - - 5.3.4 Determine density of floating solid bodies (d <1 g/cm...
Page 42  If you connect an optional printer you can print the result.  Remove the sample. To carry out further measuring, press the CAL-key and start with step 2. To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 43: Series Kern Aes-C
5.4 Series KERN AES-C 5.4.1 Invoke mode for density determination of solid material  In weighing mode press the MODE key, „F1 WEIGHING“ will be displayed.  Press repeatedly until the density determination function for solid material „F6“ is displayed.
Page 44 (the active digit is flashing). Confirm input with PRINT key, the balance changes into the mode for density determination of solid material. When selecting "OTHER" enter temperature of auxiliary fluid of your choice. (the active digit is flashing). YDB-03-BA-e-2114...
Page 45 The active digit is flashing. Use the navigation keys to enter the density of the auxiliary liquid of your choice. Confirm input with PRINT key, the balance changes into the mode for density determination of solid material. YDB-03-BA-e-2114...
Page 46: Determine Density Of Sinking Solid Bodies (D >1 G/Cm )
), then press The weighing balance will first determine then display the sample’s density.  When connecting an optional printer, the result will be printed out. Printout example KERN YKB-01N:  Remove the sample. For additional measures press the UNIT key. YDB-03-BA-e-2114...
Page 47: Determine Density Of Floating Solid Bodies (D <1 G/Cm 3 )
Or if possible place the sample using pincers or alike directly under the sifting bowl. The weighing balance will first determine then display the sample’s density.  If you connect an optional printer you can print the result. YDB-03-BA-e-2114...
Page 48: Series Kern Als-A
5.5 Series KERN ALS-A 5.5.1 Determine density of sinking solid bodies (d >1 g/cm  Remove the immersion basket and place the glass beaker filled with the auxiliary liquid in the centre of the platform. Filling height should be approx. ¾ of the capacity.
Page 49 PRINT button. The density of the sample is shown.  When an optional printer is connected, the displayed value can be edited using the PRINT button. Printout example (KERN YKB-01N): d: 2.0000 g/cm Return to weighing mode  Press the ON/OFF key ...
Page 50: Determine Density Of Floating Solid Bodies
When working with ethanol, you must observe the applicable safety regulations. Method 2:  How to carry out see chap. 5.4.1. in the weighing „Sample in auxiliary liquid“ do not place the sample upon, but under the sifting bowl, see fig. 4, chap. 5.1.3. YDB-03-BA-e-2114...
Page 51: Series Kern Alt-B, Taljg-A, Talsg-A
5.6 Series KERN ALT-B, TALJG-A, TALSG-A 5.6.1 Determine density of sinking solid bodies (d >1 g/cm  Remove the immersion basket and place the glass beaker filled with the auxiliary liquid in the centre of the platform. Filling height should be approx. ¾ of the capacity.
Page 52    When an optional printer is connected, the displayed value can be edited using the PRINT button. Printout example (KERN YKB-01N): 07-01-14 09:35:17 d: 8.0700 g/cm To avoid corrosion, don't leave the density set immersed in liquid for a long time.
Page 53: Determine Density Of Floating Solid Bodies (D <1 G/Cm )
When working with ethanol, you must observe the applicable safety regulations. Method 2:  How to carry out see chap. 5.5.1. In the weighing „Sample in auxiliary liquid“ do not place the sample upon, but under the sifting bowl, see fig. 4, chap. 5.1.3. YDB-03-BA-e-2114...
Page 54: Series Kern Aet
5.7 Series KERN AET Preparation:  Disconnect scale from power supply AET 200-4NM  Remove standard weighing plate AET 500-4  Installing the density determination set, see chap. 4.3.2.  Don’t disconnect scale from power supply AET 100-5M  Carfully remove standard weighing plate AET 200-5DM while the instrument is on.
Page 55: Invoke Mode For Density Determination Of Solid Material And Enter Parameters Of The Auxiliary Liquid
 For density determination of liquids: Volume of plummet 5.7.1 Invoke mode for density determination of solid material and enter parameters of the auxiliary liquid  To select method “solids“, press the function key YDB-03-BA-e-2114...
Page 56 Temperature When selecting <Water> or <Ethanol> as auxiliary liquid the temperature is entered during this step.  Tap <Temperature>.  In the numeric input window Enter the temperature for the auxiliary liquid in and confirm by YDB-03-BA-e-2114...
Page 57 2. When selecting Other tap the <Density of reference liquid> command button:  Enter the known density for the auxiliary liquid in the numeric input window and confirm by Press the function key to start density determination. YDB-03-BA-e-2114...
Page 58: Determine Density Of Sinking Solid Bodies (D >1 G/Cm )
Remount the immersion basket. Make sure that it does not touch the glass beaker. Set balance to zero. 2. Place solids in the upper sample dish. Fig.1: “Weighing in air“ The weight of the „sample in air“ is displayed. YDB-03-BA-e-2114...
Page 59 Make sure that the sample is at least 1 cm immersed. Fig. 2: “Weighing in auxiliary liquid“ 5. Wait for stability display and confirm by . The weighing scale first determines, then displays the solid matter’s density. YDB-03-BA-e-2114...
Page 60: Determine Density Of Floating Solid Bodies (D <1 G/Cm )
Using ethanol is not recommended, when the solid material is being attacked. When working with ethanol, you must observe the applicable safety regulations. Method 2: Implementation see chap. 5.6.2, for “step 4“ place sample underneath instead of in the filter dish. YDB-03-BA-e-2114...
Page 61: Log Density Determination
5.7.4 Log density determination Printout example default report (KERN YKB-01N) ---------------------- Density ------------------- ---------------------- Solid ------------------- Operator Admin Balance ID 132012 Date 2015.03.05 Time 11:12:30 Standard liquid Water Temperature 20°C Standard liquid density 0.99823 g/cm Weighing 1 6.757 g Weighing 2 4.999 g...
Page 62 If a measurement report is printed, the data record will automatically be saved to the database under<Density reports>.  To <Open/Print> press and hold your finger on the desired data record until the context menu appears.  YDB-03-BA-e-2114...
Page 63: Kern Abp Series
5.8 KERN ABP Series 5.8.1 Installing the density determination set  Insert frame in the weighing compartment. The round opening above at the frame has to point into the direction where the immersion basket is inserted from.  Put the supporting platform of the glass beaker through the frame on the weighing compartment floor.
Page 64: Parameter Setting
<Solid specific gravity>. The selected option is indicated by a frame. Press OK to confirm.  Press MENU button to display the configuration menu. 6. Introducing auxiliary liquid parameters  Using navigation buttons , select <Solvent> and press OK to confirm. YDB-03-BA-e-2114...
Page 65  Read the temperature on the thermometer and enter it, using navigation buttons. Press OK to confirm. The corresponding density will be determined by the balance based on the integrated density table.   Press R to return to the menu. YDB-03-BA-e-2114...
Page 66  Press R to return to the menu. 7. Number of decimal places  Using navigation buttons  , select <Display digits after decimal po..> and press OK to confirm.  Using navigation buttons , select the number of decimal places and press OK to confirm. YDB-03-BA-e-2114...
Page 67 Protocol template <In air/in water/S.G. value> <S.G. value only> SOLID SPECIFIC GRAVITY SOLID SPECIFIC GRAVITY DATE 2018 Nov. 14 DATE 2018 Nov. 14 TIME 10.20.24 TIME 10.20.24 L.DENS= 0.99730 g/cm 7.9954 DS AIR= 20.0006 g WATER= 17.5017 g 7.9954 DS= YDB-03-BA-e-2114...
Page 68  The consecutive steps should be performed according to the balance operating manual, see chapter "Statistics".  Press ON/OFF to return to the density determination mode. To switch between the "Density determination mode"  and the "Weighing mode", press F. YDB-03-BA-e-2114...
Page 69: Determining Density Of Sinking Solid Bodies
3. Place the solid body on the upper sample pan. Fig. 1: Weighing in the air The sample weight in the air will be displayed. 4. Wait until the stabilisation indicator is displayed ( ), then press OK to take over the weighed value. YDB-03-BA-e-2114...
Page 70 8. Remove the sample. To perform consecutive measurements, press OK and start the procedure from step 3. To prevent corrosion-related damage to the dipper basket, do not leave it submerged in the liquid for an extended period of time. YDB-03-BA-e-2114...
Page 71: Determining Density Of Floating Solid Bodies (D < 1 G/Cm )
This method should be used when the solid body density is slightly different from the distilled water density. Before you use ethanol, check if the solid body does not get damaged. During any operations entailing ethanol, follow the mandatory safety regulations. YDB-03-BA-e-2114...
Page 72 3. Place the solid body on the upper sample pan. Fig. 3: Weighing in the air The sample weight in the air will be displayed. 4. Wait until the stabilisation indicator is displayed ( ), then press OK to take over the weighed value. YDB-03-BA-e-2114...
Page 73 8. Remove the sample. To perform consecutive measurements, press OK and start the procedure from step 3. To prevent corrosion-related damage to the dipper basket, do not leave it submerged in the liquid for an extended period of time. YDB-03-BA-e-2114...
Page 74: Kern Adb / Adj Series
(direct calculation and display of density).  Install KERN Easy Touch on your computer (the pack of Basic ET license KERN SET-01 + KERN SET-04 application)  Using the appropriate RS-232C cable, connect the scale to the Com port of your computer.
Page 75: Determining Density Of Liquids
Determine the steel sinker volume as described below Have it determined quickly and not expensively in our calibration DKD laboratory. For more information, visit KERN home page (www.kern-sohn.com). 6.1 Determination of the sinker volume  Prepare the balance as described in chapter 4.3.2. "Installation of the density determination kit".
Page 76: Series Kern Abs-N, Abj-Nm, Acs, Acj
= Water density (see chapter 8) at 20°C = 0.9982 g/cm 20.0000 g – 17.5085 g = 2.4960 cm 0.9982 g/ cm 6.2 Series KERN ABS-N, ABJ-NM, ACS, ACJ 6.2.1 Mode to call up density determination of liquids. 1. Turn on balance by pressing the ON/OFF key. ...
Page 77 Increase flashing digit  Decrease flashing digit  Digit selection to the right Confirm entry 9. The balance changes into the mode for density determination of liquids. To change from density mode  to weighing mode press MENU for 3 s. YDB-03-BA-e-2114...
Page 78: Determining Density Of The Test Liquid
If weighing balance does not show Zero, press TARE. 2. Put the sinker into the upper sample dish. Fig.5: Weighing in air The weight of the sinker in air will be displayed. 3. Wait until stability display ( ) appears, then press UNIT. "SINK" will be shown. YDB-03-BA-e-2114...
Page 79 4. Put the sinker into the lower sifting bowl. Fig.6: Weighing in test liquid The weighing balance will first determine then display the fluid’s density. 5. If you connect an optional printer you can print the result. YDB-03-BA-e-2114...
Page 80 Printout example KERN YKB-01N: KERN & Sohn GmbH Company TYPE ACS 320-4 Model SN WB11AG0002 Serial no. Balance identification no. ID 1234 0.1109DL Result -SIGNATURE- prepared by - - - - - - - - - - - - - - - - - For further measurements ...
Page 81: Series Kern Tacs / Tacj
6.3 Series KERN TACS / TACJ  Install the density determination module – see ch. 4.3.2 6.3.1 Parameter setting 1. Selection of application  Go to the menu: In the weighing mode, press the MENU button twice.  Press the navigation buttons ( ) until “APL.FUNC”...
Page 82 Select the digit on the right Confirm entered data  The balance switches to the mode for determining the density of liquids. To switch between the modes “Density determination mode”  “Weighing mode”, press the MENU button and hold it down for 3 s. YDB-03-BA-e-2114...
Page 83  Press the navigation buttons ( ) until “SG.HOLD” appears.  Confirm by pressing TARE.  By pressing TARE, select between the settings “OFF” and “ON”. The current setting is marked by the stabilization indicator. Stabilization indicator “SG.HOLD” setting YDB-03-BA-e-2114...
Page 84 Mass of plummet in air Mass of plummet in test liquid Mass of plummet in test liquid Plummet density Plummet density ρ Air density (0.0012 g/cm α  Go to the menu: In the weighing mode, press the MENU button twice. YDB-03-BA-e-2114...
Page 85 “OFF” and „ON”. The current setting is marked by the stabilization indicator. Stabilization indicator “AIR.COR” setting  Go back to the menu by pressing ON/OFF and enter other settings.  Go back to the density determination mode by repeatedly pressing the ON/OFF button. YDB-03-BA-e-2114...
Page 86: Determining Density Of The Test Liquid
If weighing balance does not show Zero, press TARE. 2. Put the sinker into the upper sample dish. Fig.5: Weighing in air The weight of the sinker in air will be displayed. 3. Wait until stability display ( ) appears, then press UNIT. "SINK" will be shown. YDB-03-BA-e-2114...
Page 87 4. Put the sinker into the lower sifting bowl. Fig.6: Weighing in test liquid The weighing balance will first determine then display the fluid’s density. 5. If you connect an optional printer you can print the result. YDB-03-BA-e-2114...
Page 88 Printout example KERN YKB-01N: KERN & Sohn GmbH Company TYPE ACS 200-4 Model SN WB19AG0002 Serial no. Balance identification no. ID 1234 0.1109DL Result -SIGNATURE- prepared by - - - - - - - - - - - - - - - - - For further measurements ...
Page 89: Series Kern Abt
6.4 Series KERN ABT 6.4.1 Mode to call up density determination of liquids.  Turn on balance by pressing the ON/OFF key.   Call up menu: In weighing mode press the CAL key repeatedly until „FUnC.SEL“ is displayed.  Press the TARE key.
Page 90  Back to menu / weighing mode, press ON/OFF key repeatedly YDB-03-BA-e-2114...
Page 91: Enter Density Of The Sinker
The active digit is flashing. For changes, enter sinker volume using the navigation keys. UNIT key: Increase the flashing digit PRINT key: Digit selection to the right TARE key: Confirm entry  Back to menu / weighing mode, press ON/OFF key repeatedly  YDB-03-BA-e-2114...
Page 92: Determining Density Of The Test Liquid
For further measurements  Clean and dry container and sinker carefully.  Re-attach the sinker  Press the CAL key  Start with step 2 To avoid corrosion, don't leave the density set immersed in liquid for a long time. YDB-03-BA-e-2114...
Page 93: Series Kern Aes-C
6.5 Series KERN AES-C 6.5.1 Mode to call up density determination of liquids.  In weighing mode press the MODE key, „F1“ will be displayed. Press repeatedly until the density determination function for liquids „F7“ is displayed.  Press , from here on the balance is in the mode for density determination of liquids.
Page 94 , the current set volume is displayed.  The first digit is flashing and can be changed. Using the navigation keys, enter the sinker volume (see chap. 6) and confirm by  The balance changes into the mode for density determination of liquids. YDB-03-BA-e-2114...
Page 95: Determining Density Of The Test Liquid
The weighing balance will first determine then display the fluid’s density.  When connecting an optional printer, the result will be printed out. Printout example KERN YKB-01N: To avoid corrosion, don't leave the density set immersed in liquid for a long time.
Page 96: Series Kern Als-A
6.6 Series KERN ALS-A  In weighing mode press MENU button. The first menu item „count“ is displayed.  Press MENU button  Acknowledge using PRINT button, the current setting is displayed.  Using MENU button select „d Liquid“  Confirm using the PRINT button, the currently set density of the sinker is displayed (factory setting 3.0000 g/cm...
Page 97 PRINT button. The weighing balance will first determine then display the fluid’s density.  When an optional printer is connected, the displayed value can be edited using the PRINT button. Printout example (KERN YKB-01N): d: 2.0000 g/cm Return to weighing mode  Press the ON/OFF key ...
Page 98: Series Kern Alt_B, Taljg-A, Talsg-A
6.7 Series KERN ALT_B, TALJG-A, TALSG-A  In weighing mode press MENU button. The master menu will be displayed.  Use the navigation buttons  to select the menu item „Density“.  Acknowledge using PRINT button, the current setting is displayed.
Page 99    When an optional printer is connected, the displayed value can be edited using the PRINT button. Printout example (KERN YKB-01N): 07-01-14 09:35:17 d: 0.9984 g/cm If at the density determination errors have appeared, „d-----„ is displayed.
Page 100: Series Kern Aet
6.8 Series KERN AET Selecting density application see chap. 5.6 6.8.1 Call up density determination mode of liquids and enter sinker volume  To select method “liquid“ press the function key  You will see the display used to enter the sinker volume.
Page 101: Determining Density Of The Test Liquid
6.8.2 Determining density of the test liquid 1. Fill test liquid into the glass beaker. 2. Put the sinker into the upper sample dish. Fig.1: “Weighing in air“ The weight of the sinker in air will be displayed. YDB-03-BA-e-2114...
Page 102 3. Wait for stability display and confirm by . The weighing value for “Weighing in air“ will be displayed under <weighing process 1>. 4. Put the sinker into the lower sifting bowl. Fig. 2: “Weighing in test liquid“ YDB-03-BA-e-2114...
Page 103: Log Density Determination
6. When connecting an optional printer, the result will be printed out. Printout example see chap. 6.6.39. 7. Finish process by . Remove the sample. Start more measurements at step 1. 6.8.3 Log density determination Printout example default report (KERN YKB-01N): ---------------------- Density ------------------- ---------------------- Liquid ------------------- Operator Admin Balance ID...
Page 104 If a measurement report is printed, the data record will automatically be saved to the database under<Density reports>.  To <Open/Print> press and hold your finger on the desired data record until the context menu appears.  YDB-03-BA-e-2114...
Page 105: Kern Abp Series
6.9 KERN ABP Series 6.9.1 Installing the density determination set  Insert frame in the weighing compartment. The round opening above at the frame has to point into the direction where the immersion basket is inserted from.  Put the supporting platform of the glass beaker through the frame on the weighing compartment floor.
Page 106: Parameter Setting
 Press MENU button to display the configuration menu. 2. Entering the sinker volume  Using navigation buttons , select <Sinker volume> and press OK to confirm.  Using navigation buttons, enter the sinker volume (see chapter 6.1) and press OK to confirm. YDB-03-BA-e-2114...
Page 107  Using navigation buttons , select the option ON or OFF and press OK to confirm. With the activated function, the first displayed result value will be displayed on the screen until it is reset using OK button. YDB-03-BA-e-2114...
Page 108  The consecutive steps should be performed according to the balance operating manual, see chapter "Statistics".  Press ON/OFF to return to the density determination mode. To switch between the "Density determination mode"  and the "Weighing mode", press F. YDB-03-BA-e-2114...
Page 109: Determination Of The Examined Liquid Density
To do it, remove the dipper basket from the stand. When submerging in the liquid again, no extra air bubbles should be created. It is best to apply the sample using tweezers or place it directly on the strainer pan. YDB-03-BA-e-2114...
Page 110 9. Remove the sample. To perform consecutive measurements, press OK and start the procedure from step 1. To prevent corrosion-related damage to the dipper basket, do not leave it submerged in the liquid for an extended period of time. YDB-03-BA-e-2114...
Page 111: Kern Adb / Adj Series
(direct calculation and display of density).  Install KERN Easy Touch on your computer (the pack of Basic ET license KERN SET-01 + KERN SET-04 application)  Using the appropriate RS-232C cable, connect the scale to the Com port of your computer.
Page 112: Preconditions For Precise Measurements
As a result, part of the suspension bracket of the sifting bowl will also be immersed causing buoyancy to increase. As a consequence the weight of the specimen in the liquid will drop. Samples that change the volume or assimilate liquid are unsuitable for measurement. YDB-03-BA-e-2114...
Page 113: Liquids
When changing the ambient temperature or location, an adjustment of the balance is necessary. For this purpose, remove the density set and carry out adjustment using the standard weighing pan. YDB-03-BA-e-2114...
Page 114: Density Table For Liquids
0.9976 0.7867 0.7880 0.9973 0.7859 0.7870 0.9971 0.7851 0.7870 0.9968 0.7842 0.7861 0.9965 0.7833 0.7852 0.9963 0.7824 0.7842 0.9960 0.7816 0.7833 0.9957 0.7808 0.7824 0.9954 0.7800 0.7814 0.9951 0.7791 0.7805 0.9947 0.7783 0.7796 0.9944 0.7774 0.7786 0.9941 0.7766 0.7777 YDB-03-BA-e-2114...
Page 115: User Instructions
However, check beforehand whether the sample is solvent-proof. In addition you must observe the applicable safety regulations when working with ethanol. To avoid corrosion, don't leave the density set immersed in liquid for a long time. • YDB-03-BA-e-2114...

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