KERN ALS Series Operating Manual
Analytical and precision balances
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Summary of Contents for KERN ALS Series
- Page 1 KERN & Sohn GmbH Ziegelei 1 Phone: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 email: info@kern-sohn.com Internet: www.kern-sohn.com Operating Manual Analytical and precision balances KERN ALJ/ALS/PLJ/PLS Version 4.3 2019-01 ALJ/ALS/PLJ/PLS-BA-e-1943...
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Page 2: Table Of Contents
8.1.1 Adjustment with recommended adjustment weight (factory setting) ........33 8.1.2 Adjustment with weights of other nominal values ..............34 Models with internal weight (KERN ALJ/PLJ) ............36 8.2.1 Adjustment models PLJ-M ....................... 37 8.2.2 Overwrite internal adjustment weight ..................38 Verification ........................39... - Page 3 Service, maintenance, disposal ..............80 14.1 Cleaning ........................80 14.2 Service, maintenance ....................80 14.3 Disposal ........................81 Instant help ....................81 Ionizer (Factory option KERN ALJ-A03) ............ 82 16.1 General information ....................82 16.2 Basic safety guidelines .....................82 16.3 Technical specification ....................84 16.4 Device overview ......................84...
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Page 4: Technical Data
1 Technical Data KERN ALJ 160-4A ALJ 200-5DA Weighing range (max) 160 g 82 g / 220 g Readability (d) 0.1 mg 0.01 mg / 0.1 mg Reproducibility 0.1 mg 0.04 mg / 0.1 mg Linearity ± 0.3 mg ± 0.1 mg / 0.2 mg Stabilization time (typical) 4 sec. - Page 5 KERN ALJ 250-4A ALJ 310-4A ALJ 500-4A 510 g Weighing range (max) 250 g 310 g 0.1 mg Readability (d) 0.1 mg 0.1 mg 0.2 mg Reproducibility 0.1 mg 0.1 mg ± 0.4 mg Linearity ± 0.3 mg ± 0.3 mg 4 sec.
- Page 6 KERN ALJ 160-4AM ALJ 250-4AM Product No / Type TALJ 160-4BM-A TALJ 250-4BM-A Weighing range (max) 160 g 250 g Readability (d) 0.1 mg 0.1 mg Reproducibility 0.1 mg 0.1 mg Linearity ± 0.3 mg ± 0.3 mg Verification value (e)
- Page 7 KERN ALS 160-4A ALS 250-4A Weighing range (max) 160 g 250 g Readability (d) 0.1 mg 0.1 mg Reproducibility 0.1 mg 0.1 mg Linearity ± 0.3 mg ± 0.3 mg Stabilization time (typical) 4 sec. 4 sec. Minimum unit weight at piece...
- Page 8 KERN PLJ 420-3F PLJ 720-3A PLJ 1200-3A 420 g 720 g Weighing range (max) 1200 g 0.001 g 0.001 g Readability (d) 0.001 g 0.001 g 0.001 g Reproducibility 0.001 g ± 0.003 g ± 0.002 g Linearity ± 0.003 g 2 sec.
- Page 9 KERN PLJ 2000-3A PLJ 4200-2F PLJ 6200-2A 4200 g 6200 g Weighing range (max) 2100 g 0.01 g 0.01 g Readability (d) 0.001 g 0.02 g 0.01 g Reproducibility 0.002 g ± 0.004 g ± 0.04 g ± 0.03 g Linearity 2 sec.
- Page 10 KERN PLJ 720-3AM PLJ 6200-2AM Product No / Type TPLJ 720-3BM-A TPLJ 6200-2BM-A Weighing range (max) 720 g 6200 g Readability (d) 0.001 g 0.01 g Reproducibility 0.001 g 0.01 g Linearity ± 0.002 g ± 0.02 g Verification value (e)
- Page 11 KERN PLS 420-3F PLS 720-3A PLS 1200-3A Weighing range (max) 420 g 720 g 1200 g Readability (d) 0.001 g 0.001 g 0.001 g Reproducibility 0.002 g 0.001 g 0.001 g Linearity ± 0.004 g ± 0.002 g ± 0.003 g Stabilization time (typical) 3 sec.
- Page 12 KERN PLS 4200-2F PLS 6200-2A 4200 g 6200 g Weighing range (max) 0.01 g 0.01 g Readability (d) 0.02 g 0.01 g Reproducibility ± 0.04 g ± 0.03 g Linearity 3 sec. 2 sec. Stabilization time (typical) Minimum unit weight at piece...
- Page 13 PLS 20000-1F KERN PLS 8000-2A Weighing range (max) 8200 g 20 kg Readability (d) 0.01 g 0.1 g Reproducibility 0.01 g 0.1 g Linearity ± 0.03 g ± 0.4 g Stabilization time (typical) 2 sec. 3 sec. Minimum unit weight at piece...
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Page 14: Declaration Of Conformity
2 Declaration of Conformity To view the current EC/EU Declaration of Conformity go to: www.kern-sohn.com/ce The scope of delivery for verified weighing balances (= conformity- rated weighing balances) includes a Declaration of Conformity. ALJ/ALS/PLJ/PLS-BA-e-1943... -
Page 15: Device Overview
3 Device overview 3.1 Components Model ALJ 200-5DA Pos. Designation Pos. Designation Glass windshield Bubble level Wind protection ring RS232 Display Mains adapter connection Keyboard Foot screw Model ALJ 200-5DA with installed ionizator (KERN ALJ-A03) ALJ/ALS/PLJ/PLS-BA-e-1943... - Page 16 Front side of the balances Model ALJ / ALS / PLJ 2000-3A Pos. Designation Glass wind screen Weighing pan Display Keyboard Foot screw Bubble level ALJ/ALS/PLJ/PLS-BA-e-1943...
- Page 17 Models PLJ / PLS: Dimensions weighing plate Ø 110 mm Pos. Designation Cover glass wind screen Glass wind screen Weighing plate Display Keyboard Foot screw ALJ/ALS/PLJ/PLS-BA-e-1943...
- Page 18 Models PLS Model PLS 20000-1F Dimensions weighing plate plate Ø 160 mm Dimensions weighing 200 x 175 mm Pos. Designation Bubble level Weighing plate Display Keyboard Foot screw ALJ/ALS/PLJ/PLS-BA-e-1943...
- Page 19 Back and bottom side of the balance 1. Weighing plate 2. RS232C interface 3. Foot screws 4. Mains adapter connection 5. Housing screws (in models with four feet first screw out the two rear feet) 6. Underfloor weighing device ALJ/ALS/PLJ/PLS-BA-e-1943...
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Page 20: Operating Elements
3.2 Operating elements 3.2.1 Overview of display Icon Designation Stability display Indicator “zero display” Application <Calculation of percentage> Application <Parts counting> Loading status rechargeable battery, see chap. Fehler! Verweisquelle konnte nicht gefunden werden. Balance is in input mode Upper tolerance limit Lower tolerance limit Application <Density>... -
Page 21: Keyboard Overview
3.2.2 Keyboard overview Designation Short key pressing Longtime pressed button until the acoustic signal gets mute • Call-up application MENU button/ menu • Call-up user menu • Select menu items – • Exit user menu scroll forward Arrow button • numerical input – scroll backward •... -
Page 22: Basic Information (General)
Information is available on KERN’s home page (www.kern-sohn.com with regard to the monitoring of balance test substances and the test weights required for this. In KERN’s accredited DKD calibration laboratory test weights and balances may be... -
Page 23: Basic Safety Precautions
5 Basic Safety Precautions 5.1 Pay attention to the instructions in the Operation Manual Carefully read this operation manual before setup and commissioning, even if you are already familiar with KERN balances. Versions in other languages are non-binding translations. The only binding version is the original document in German. -
Page 24: Packaging / Return Transport
6.2 Packaging / return transport Keep all parts of the original packaging for a possibly required return. Only use original packaging for returning. Prior to dispatch disconnect all cables and remove loose/mobile parts. Reattach possibly supplied transport securing devices. ... - Page 25 Illustration example Analytical balances: ALJ/ALS/PLJ/PLS-BA-e-1943...
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Page 26: Unpacking, Setup And Commissioning
7 Unpacking, Setup and Commissioning 7.1 Installation Site, Location of Use The balances are designed in a way that reliable weighing results are achieved in common conditions of use. You will work accurately and fast, if you select the right location for your balance. Therefore, observe the following for the installation site: •... -
Page 27: Placing
7.2.1 Placing The right place is decisive for the accuracy of the weighing results of high- resolution analytical and precision balances (see chap. Fehler! Verweisquelle konnte nicht gefunden werden.). Assembly of the balance Model ALJ 200-5A Insert grid weighing plate Place wind protection ring Connect scale to power supply. - Page 28 Models ALS/ALJ Models PLS/PLJ, d = 1 mg ALJ/ALS/PLJ/PLS-BA-e-1943...
- Page 29 Models PLS/PLJ, d = 100 mg Models PLS/PLJ, d = 10 mg ALJ/ALS/PLJ/PLS-BA-e-1943...
- Page 30 Levelling Exact alignment and stable installation are an essential requirement for repeatable results. You can compensate for minor unevenness or tilts of the footprint by levelling the weighing balance. Level the balance with foot screws [1] until the air bubble in the bubble level is in the prescribed circle.
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Page 31: Mains Connection
Check, whether the voltage acceptance on the scales is set correctly. Do not connect the scales to the power mains unless the information on the scales (sticker) matches the local mains voltage. Only use KERN original mains adapter. Using other makes requires consent by KERN. Important: ... -
Page 32: Rechargeable Battery Operation (Depends On Model, See Chp.1)
Before connecting or disconnecting of additional devices (printer, PC) to the data interface, always disconnect the balance from the power supply. With your balance, only use accessories and peripheral devices by KERN, as they are ideally tuned to your balance. -
Page 33: Adjustment
Observe stable environmental conditions. A warming up time (see chapter 1) is required for stabilization. Ensure that there are no objects on the weighing plate. 8.1 Models with external weight (KERN ALS/PLS) • The adjustment is locked for verified balances. -
Page 34: Adjustment With Weights Of Other Nominal Values
Weights of different nominal values may be used for adjustment but are not optimal for technical measuring, possible adjustment points see table 1. Info about adjustment weights can be found on the Internet at: http://www.kern- sohn.com Ensure that there are no objects on the weighing plate. Press the CAL button and keep it pressed until the acoustic signal gets mute. - Page 35 Recommended Other measurement-technically not optimal nominal Model adjustment weight values for adjustment (see chap. 7.1.2) (see chap. 7.1.1). A-models ALS 160-4A 150g 100g ALS 250-4A 200g 100g PLS 510-3A 500g 100g, 200g, 300g, 400g PLS 720-3A 600g 100g, 200g, 300g, 400g, 500g PLS 1200-3A 1000g PLS 1200-3DA...
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Page 36: Models With Internal Weight (Kern Alj/Plj)
8.2 Models with internal weight (KERN ALJ/PLJ) For non verified balances four adjustment possibilities are available in the menu. In weighing mode press the MENU button and keep it pressed until Menu settings the acoustic signal gets mute. The first menu item „units“ is displayed. -
Page 37: Adjustment Models Plj-M
When the I-CAL function is activated, the internal adjustment is I-CAL started only by pressing the CAL button. Before pressing CAL ensure that there are no objects on the weighing plate. At the models with internal adjustment weight the adjustment with E-CAL external weight is not recommended. -
Page 38: Overwrite Internal Adjustment Weight
8.2.2 Overwrite internal adjustment weight (Models with settings not appropriate for verification only) Overwriting is restricted to specialist staff possessing well acquainted with the workings of weighing scales. Press the MENU button and keep it pressed until the acoustic signal gets mute. ... -
Page 39: Verification
8.3 Verification General introduction: According to EU directive 2014/31EU balances must be verified if they are used as follows (legally controlled area): a) For commercial transactions if the price of goods is determined by weighing. b) For the production of medicines in pharmacies as well as for analyses in the medical and pharmaceutical laboratory. -
Page 40: Basic Operation
9 Basic Operation In stand-by mode (see chap. 6.5) press ON/OFF button. Start-up The balance is ready for weighing when the weight display appears. For models PLJ-M “Wait 30“ appears on the display. The weighing balance requires 30 minutes to reach stabilisation. Afterwards it will automatically change into weighing mode at which point it will be ready for operation. -
Page 41: Underfloor Weighing
9.1 Underfloor weighing Objects unsuitable for placing on the weighing scale due to size or shape may be weighed with the help of the flush-mounted platform. Proceed as follows: • Switch off the balance • Open closing cover (1) at the balance bottom. •... -
Page 42: User Menu
10 User menu The settings of the balance can be changed in the user menu. This way, the balance can be adjusted to individual weighing requirements. By the factory the user menu has been set in a way that normally no more changes must be made, only at special conditions of use. - Page 43 Menu overview Menu item Display Selection Description Weighing unit Gramm Units Gram (see chap. 11.1) Carat * Carat Unze * Ounce Pound * Pound Pennyweight * PEnn Troy Unze * OuncEtr Grain * GrAin Tael Hongkong * tAEL Hon Tael Singapore * tAEL SGP Tael R.O.C.
- Page 44 Standstill control display Standstill control fast – very Stabil Stab 1 (see chap. 11.6) quiet set-up location Standstill control fast + exact – Stab 2 quiet set-up location Standstill control exact – very Stab 3 set-up location Contrast of the display (see chap.
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Page 45: Weighing Units (Unit1 / Unit2)
10.1 Weighing units (unit1 / unit2) Weight units which are to be available during the operation can be selected in the menu. If you have selected different units (unit1 and unit2), the weighing result can be displayed in two different weight units (unit1 and unit2) simultaneously. To switch between different values in "unit1"... - Page 46 Symbol Weight unit Conversion factor 1 g = Gram Gram Milligram MiLLiGr 0.001 Karat * Carat Ounce * Ounce 0.035273962 Pound * Pound 0.0022046226 Pennyweight * PEnn 0.643014931 Troy ounce * OuncEtr 0.032150747 Grain * GrAin 15.43235835 Tael (Hong Kong) * tAEL Hon 0.02671725 Tael (Singapore)
- Page 47 Unit switching: In the weighing mode, press and hold PRINT button until the audible signal goes off, then release the button. • When you switch the balance on from the stand-by mode using ON/OFF button, the balance will switch on with the unit used last. •...
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Page 48: Data Output Type
10.2 Data output type In weighing mode press the MENU button and keep it pressed until the acoustic signal gets mute. Press MENU button Acknowledge using PRINT button, the current setting is displayed. Press the arrow keys to select desired setting. Scroll forward using MENU button Scroll backward using CAL button ... -
Page 49: Baud Rate
10.3 Baud rate In weighing mode press the MENU button and keep it pressed until the acoustic signal gets mute. Press MENU button repeatedly Acknowledge using PRINT button, the current setting is displayed. Press the arrow keys to select desired setting. Scroll forward using MENU button Scroll backward using CAL button ... -
Page 50: Auto Zero
10.4 Auto Zero Under this menu item the automatic zero point correction can be switched on or off. In switched-on-state the zero point is automatically corrected at drift or when dirty. Information: In the event that small quantities are removed or added to the material to be weighed, incorrect weighing results can be displayed due to the “stability compensation“... - Page 51 Press the arrow keys to select desired setting. Scroll forward using MENU button Scroll backward using CAL button = Auto Zero switched off Au0 OFF = Auto Zero range ± ½ digit Au0 1 = Auto Zero range ± 3 digits Au0 2 = Auto Zero range ±...
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Page 52: Filter
10.5 Filter This menu item allows the balance to be set according to specific ambient conditions and measuring purposes. In weighing mode press the MENU button and keep it pressed until the acoustic signal gets mute. Press MENU button repeatedly ... -
Page 53: Standstill Control Display
10.6 Standstill control display In weighing mode press the MENU button and keep it pressed until the acoustic signal gets mute. Press MENU button repeatedly Acknowledge using PRINT button, the current setting is displayed. Press the arrow keys to select desired setting. Scroll forward using MENU button Scroll backward using CAL button STAB 1: Standstill control fast –... -
Page 54: Setting The Contrast Of The Display
10.7 Setting the contrast of the display To set the contrast of the display you can choose between 15 values. In weighing mode press the MENU button and keep it pressed until the acoustic signal gets mute. Press MENU button repeatedly ... -
Page 55: Display Background Illumination
10.8 Display background illumination In weighing mode press the MENU button and keep it pressed until the acoustic signal gets mute. Press MENU button repeatedly Acknowledge using PRINT button, the current setting is displayed. Press the arrow keys to select desired setting. Scroll forward using MENU button Scroll backward using CAL button Background illumination on... -
Page 56: Automatic Switch-Off Function „Auto Off" In Stand-By Mode
10.9 Automatic switch-off function „AUTO OFF“ in stand-by mode In weighing mode press the MENU button and keep it pressed until the acoustic signal gets mute. Press MENU button repeatedly Acknowledge using PRINT button, the current setting is displayed. ... -
Page 57: User Menu
11 User menu The following operating modes may be enabled/disabled in the user menu: Parts counting Count Density determination of solids/liquids Dens Adding function Checkweighing Percent determination Perc Animal weighing function Anim Peak value function M Load ... -
Page 58: Parts Counting
11.1 Parts counting Before the balance can count parts, it must know the average part weight (i.e. reference). Proceed by putting on a certain number of the parts to be counted. The balance determines the total weight and divides it by the number of parts, the so- called reference quantity. - Page 59 If it was impossible to determine a reference due to instable goods to be weighed or an insufficient reference weight, the following display will appear during reference calculation. ERR04 = smallest counting weight not achieved Add SMP=if the placed quantity for a correct reference determination is too small, more parts must be placed as follows.
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Page 60: Switching Over Between Quantity And Weight Display
11.1.1 Switching over between quantity and weight display Place load on pan and read the number of pieces. Press MENU button, the total weight of the placed parts is displayed. Press the MENU button and keep it pressed until the acoustic signal gets mute, the average weight of a single piece is displayed. -
Page 61: Numeric Entering Of The Reference Weight
11.1.3 Numeric entering of the reference weight If you know the reference weight/piece you can enter this via the numeric keyboard. In weighing mode press MENU button. The first menu item „count“ is displayed. Acknowledge using PRINT button, the current reference quantity is displayed. ... -
Page 62: Density Determination With The Help Of An Underfloor Weighing Device
] of that liquid is known (principle of Archimedes). The use of an optionally available density determination set facilitates your work when determing the density Analytical balances KERN YDB-03 Precision balances [d] = 0.001 g KERN ALT-A02 Precision balances [d] = 0.01 g KERN PLT-A01 11.2.1 Density determination of solids... - Page 63 The display for weight determination of the "sample in air“ appears. Confirm by pressing the PRINT button. If necessary, tare and put the sample. Wait until the weight display of the weighing balance has become stable and then press the PRINT button.
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Page 64: Determining Density Of Liquids
11.2.2 Determining density of liquids Fill sample liquid into a vessel, e.g. a pitcher. Heat sample liquid until temperature is constant. Prepare a glass sinker with known density In weighing mode press MENU button. The first menu item „count“ is displayed. ... - Page 65 The display for weight determination of the "glass sinker in air“ appears. Confirm by pressing the PRINT button. Tare if necessary and hook on the glass sinker centrically. Wait until the weight display of the weighing balance has become stable and then press the PRINT button.
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Page 66: Adding Function
11.3 Adding function This function can be used to automatically add any number of single weighings to a total. Press repeatedly the MENU button in weighing mode until „add“ will be displayed. Confirm by pressing the PRINT button The balance will tare automatically and then will change to the zero display ... - Page 67 The displayed value is added into the total adding memory, after that the balance will automatically tare anew and change over to the zero display Proceed in the same manner with the other weights To print out the total sum of the single weighings, press the CAL button ...
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Page 68: Checkweighing
11.4 Checkweighing An upper and a lower limit value can be established to ensure that the weighed goods are exactly within the established tolerance limits. The display [L], [ok] or [H] shows whether the goods to be weighed are within the two tolerance limits. - Page 69 Signal tone switched off Beep off Signal tone on, if weighed goods are within tolerance range Beep on Confirm by pressing the PRINT button. The balance is now in checkweighing mode. Put on goods to be weighed, tolerance control is started Return to weighing mode ...
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Page 70: Percent Determination
11.5 Percent determination Percent determination allows weight display in percent, in relation to a reference weight. 11.5.1 Entering the reference weight by weighing In weighing mode press MENU button. The first menu item „count“ is displayed. Press MENU button repeatedly ... -
Page 71: Numeric Entering Of The Reference Weight
11.5.2 Numeric entering of the reference weight In weighing mode press MENU button. The first menu item „count“ is displayed. Press MENU button repeatedly Acknowledge using PRINT button, the current setting is displayed. Using MENU button select „PErc n“ ... -
Page 72: Animal Weighing Function
11.6 Animal weighing function The animal weighing function can be applied for busy weighings. During a defined period the mean value of the weighing results is formed. The more unquiet the weighed item, the longer the period should be selected. ... -
Page 73: Peak Value Function
11.7 Peak value function This function displays the highest load value (peak value) of a weighing. The peak value remains in the display until it will be deleted. In weighing mode press MENU button. The first menu item „count“ is displayed. ... -
Page 74: Data Output Rs 232C
Baud rate optional from 1200 - 9600 Baud • For operation with interface faultless operation is only ensured with the correct • KERN – interface cable (max. 2m) 12.2 Pin allocation of balance output plug Pin 2 Tx Signal Pin 3... -
Page 75: Interface
12.3 Interface • Balance – PC 25-pole Balance • Balance – PC 9-pole Balance • Balance - printer Printer Balance Data input Busy Signal 12.4 Data transfer The data set consists of the following 14 characters: 1. Character sign -/ blank (weighing value) 2-9. -
Page 76: Format For Data Transmission
12.5 Format for data transmission At stable weight the format is transferred after pressing the PRINT button. Weighing mode (continuous output and remote control command) 1° 2° 3° 4° 5° 6° 7° 8° 9° 10° 11° 12° 13° 14° 15°r Character Weight Weighing unit... - Page 77 Percent determination (only remote control command) Percent value 1° 2° 3° 4° 5° 6° 7° 8° 9° 10° 11° 12° 13° 14° 15° 16° 17° 18° Blank Percent Blank Percent Weight value 1°. 2° 3° 4° 5° 6° 7° 8° 9°...
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Page 78: Remote Control Instructions
• Use a suitable cable to connect the weighing balance to the interface of the printer. Faultless operation requires an adequate KERN interface cable. • The Baud rates of balance and printer must agree, see chap. 9.3. - Page 79 Percent determination Perc. 20 % Weight: 30.000 g Perc Display value in [%] Weight Display value in [g] Animal weighing mode Time 6 Sec Ave.: 59.446 g Add-up mode 14.156 g 18.226 g 32.382 g Tolerance weighing Weight : 0.00g Weight : 49.20g Weight : 249.20g -LOW-...
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Page 80: Error Messages
Loose residue sample/powder can be removed carefully with a brush or manual vacuum cleaner. Spilled weighing goods must be removed immediately. 14.2 Service, maintenance The appliance may only be opened by trained service technicians who are authorized by KERN. Before opening, disconnect from power supply. ALJ/ALS/PLJ/PLS-BA-e-1943... -
Page 81: Disposal
14.3 Disposal Disposal of packaging and appliance must be carried out by operator according to valid national or regional law of the location where the appliance is used. 15 Instant help In case of an error in the program process, briefly turn off the balance and disconnect from power supply. -
Page 82: Ionizer (Factory Option Kern Alj-A03)
16 Ionizer (Factory option KERN ALJ-A03) 16.1 General information This ionizer is equipped with blades supplied with high voltage, in the immediate vicinity of which positive and negative ions are generated as a result of corona discharge. They are attracted through the weighed material with static charge, thus neutralizing the interfering static charge. - Page 83 Always use the OEM power adapter. The printed voltage value must comply with the local voltage. Hazard of harm, ion source blades are very sharp. The ionizer generates poisonous ozone, ensure suitable ventilation. Before start any maintenance or cleaning, disconnect the ionizer from the power supply. Always disconnect the unused ionizer from the power supply.
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Page 84: Technical Specification
16.3 Technical specification Distance ca. 5-40 cm "sample–ion source" Ozone concentration 0~0,05 ppm (2 cm from the ion source) Weight 525 g Dimensions [cm] 110 × 105 × 60 Ambient conditions 0–50°C, air humidity 20–80% (non-condensing) Power adapter 100–240 VAC, 50/60 Hz Input voltage Ionizer 12 VDC, 500 mA... -
Page 85: Start Up
Indication overview Ionizer operating Ionizer on Green LED Ionizer operating Continuous Mode Red LED Ionizer operating Time Mode Red LED flashes 16.5 Start up Always connect the ionizer to the power adapter when the device is off. Switch the ionizer on, pressing button. -
Page 86: Applications
16.6 Applications The ionizer is designed solely for use in connection with electronic balances! • Discharging solid objects or balance pans. For improved ionization results, switch the blower on. This will make the sample discharge time shorter. • Discharging powder samples. Discharging prevents whirls, a problem for toxic samples.