Precisa 360 EP Operating Instructions Manual
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Precisa 360 EP Operating Instructions Manual

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Precisa 360 EP
EXECUTIVE PRO
Operating Instructions
350-8131-000 d1

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  • Page 1 Precisa 360 EP EXECUTIVE PRO Operating Instructions 350-8131-000 d1...

  • Page 3: Customer Service

    These operating instructions are protected by copyright. All rights reserved. No part of the operating instructions may be reproduced, processed, duplicated or published in any form by photocopying, microfilming, reprinting or other process, in particular electronic means, without the written agreement of Precisa Gravimetrics AG. © Precisa Gravimetrics AG, 8953 Dietikon, Switzerland, 2010.
  • Page 4 ■ 1 Overview Overview 12 13 20 21 22 23 24 25 26 27 Description Section / Page No. Description Section / Page Top draft shield opening On/Off key Draft shield Menu key Weighing pan Tare / Zero key Protective ring Soft keys Sensor for side draft shield opening Rotate key...

  • Page 5: Inspection And Assembly

    • Insert the power adaptor cable plug into the socket at the rear of the balance NOTE A screwdriver is required for assembly. All parts must fit together easily. Do not apply force. Precisa Customer Service will be pleased to help you with any problems.

  • Page 6: Below-Balance Weighing

    ■ 3 Below-balance weighing Below-balance weighing Objects which, because of their size or shape, cannot be put on the scale, can be weighed by means of be- low-balance weighing. Proceed as follows: • Turn off the balance. • Remove the weighing pan and the pan holder than turn the balance up side down. •...

  • Page 7: Accessories

    Slide-in modules Article number USB Host 350-8665 Ethernet wired 350-8666 Ethernet wireless 350-8667 Bluetooth 350-8668 RS 485 350-8669 PS2 Female & RS 232 DB9 Female 350-8670 Additional SmartBox® Applications, Precisa BUS accessories, further special accessories and options on de- mand.

  • Page 8: Table Of Contents

    Discover the Capabilities of the New 11.2.2 Administrator - Define administrator.. 40 11.2.3 Administrator - Theft protection ..40 Series 360 EP......12 1st Step ......... 12 Applications and Functions ..42 2nd Step ........12 12.1 Enabling and Disabling Applications ... 42 3rd Step .........
  • Page 9 Contents ■ 14.1 Calibration ........76 14.1.1 External Calibration......76 14.1.2 External Calibration with Freely Selectable Weight..........76 14.1.3 Internal calibration ......77 14.1.4 Automatic Calibration .......77 14.2 Software Update ......77 14.3 Cleaning..........78 14.4 Error Messages ........78 14.4.1 Notes on Correcting Faults ....78 Additional Information..... 80...

  • Page 10: Safety Instructions And Conformity

    • Do not exceed the maximum permissible load of the balance. • When using the device in combination with other appliances made by Precisa as well as with appliances produced by other manufacturers, the current regulations for the safe use of the relevant attachments and their application in accordance with instructions must always be observed.

  • Page 11: Setup

    6 Setup ■ Setup Unpacking the Balance The balances are delivered in an environmentally-friendly package, specifically developed for this precision instrument, which provides optimum protection for the balance during transportation. NOTE Retain the original packaging in order to avoid transportation damages when shipping or transporting the balance and to allow the balance to be stored in the best conditions if it is out of operation for an extended period.

  • Page 12: Choosing A Suitable Location

    ■ 6 Setup • Put the balance on a solid, firm and preferably vibration-proof, horizontal base • Make sure that the balance cannot be shaken or knocked over • Protect from direct solar radiation • Avoid drafts and excessive temperature fluctuations NOTE With difficult conditions (where the balance may be easily shaken or subject to vibration) the balance can nevertheless provide accurate results through suitable adjustment of the stability control (see chapter...

  • Page 13: Dual Range And Floating Range Balances11

    6 Setup ■ Calibration is effected in the configuration menu. Depending on the balance model, this may be done exter- nally, internally or automatically (see chapters 10.3 "Configuration - Calibration" and 14.1 "Calibration"). With the aid of the “Intelligent Calibration Mode” the balance can itself determine the size of the calibration weight, which enables an exact calibration with different size weights (in 10 g, 50 g, 100 g and 500 g steps, depending on implementation).

  • Page 14: Discover The Capabilities Of The New Series 360 Ep

    Discover the Capabilities of the New Series 360 EP Work through the following example in order to explore some of the many new features of your new Precisa balance of the series 360 EP. Follow the instructions and keep observing the display.
  • Page 15 7 Discover the Capabilities of the New Series 360 EP ■ Enable the CheckWeigher: • Press { } to call up the list box with the options to modify the selected menu item CheckWeigher • Press { } to select On •...

  • Page 16: 3Rd Step

    ■ 7 Discover the Capabilities of the New Series 360 EP As the CheckWeigher is already enabled, some basic additional information, such as PcsWgt and RefPcs, is going to be displayed in the info page. In our example we want to take a closer look over the shoulder of the balance and let it show us the last and the penultimate stored value too.

  • Page 17: Operation

    8 Operation ■ Operation Even though your new balance allows you a very easy and highly intuitive working, you should read through the following operating instructions at full length to tap the full potential of the wide variety of features the balance disposes to facilitate your daily work.

  • Page 18: Functions Of The Keys If Operated In A Menu

    ■ 8 Operation 8.1.2 Functions of the Keys if Operated in a Menu Designation Function in a Menu «ON/OFF» • Turns the balance on and off. «PRINT» • Not functional. • Pressing leaves a menu. «MENU» • Holding leads to the home screen from any point. •...

  • Page 19: The Display (As It Appears During A Running Application)

    8 Operation ■ The Display (as it appears during a running application) Name of Display Section Description • Names the running application with the weighing range and Headline readability, or the running application and the system clock with date and time. •...

  • Page 20: Info Pages And Info Fields

    ■ 8 Operation 8.2.1 Info Pages and Info Fields There is a screen section called „Info Page Area“ to display application specific information. Each info page has 4 info fields: top left, bottom left, top right and bottom right. In an application, holding the «ROTATE» key calls up the next info page and continuously holding it scrolls cyclically all info pages.
  • Page 21 8 Operation ■ Weighing - Statistics Statistics Protocol Define Max. n Recording Manual Auto-tare • Press { } to select „Protocol“ and • Press { } to confirm your selection Weighing - Statistics - Protocol Auto-print * Sample Define Result Define We reached the sublevel 3, as adverted by the headline which displays the entire path we have passed (Weighing - Statistics - Protocol).

  • Page 22: Numerical Data Entry

    ■ 8 Operation Numerical Data Entry Sometimes you need to put in numerical data, e.g. defining a limit of tolerance. Let‘s do that in the Check- Weigher and reduce the under limit to 1.25% (with the balance still running the weighing application): •...

  • Page 23: The Info Window

    8 Operation ■ Weighing - Identification - ID 1 ID 1 ID 1 Name Alphanumeric Datatype  MNOPQR ABCDEF GHIJKL STUVWXYZ Doing text data entries, a wider range of additional soft key functions is available (observe the rotate symbol in the activity area and call them up by pressing «ROTATE»): ...

  • Page 24: The Home Screen

    ■ 9 The Home Screen The Home Screen The home screen provides access to the various menues of the balance, which are listed in the white head- line, just the part which displays the currently selected position is black (either Applications, User or Set- tings).

  • Page 25: The User Menu

    9 The Home Screen ■ NOTE Holding «MENU» leads by default to the applications section of the home screen from any point. Should you wish to start in the user section by holding «MENU», just accede the settings section of the home screen, switch configuration and change the setting of the menu item „Home“, see also chapter 10.6 "Configuration - Device settings".

  • Page 26: The Configuration

    ■ 10 The Configuration The Configuration This section explains the structure of the configuration menu and its functions. The basic adjustment of the balance is defined in the configuration. NOTE Angle quoted menu items do not appear, unless in cooperation with particular settings. 10.1 Setup Configuration Menu 10.1.1 The Setup Configuration Menu •...

  • Page 27: Configuration - Weighing Parameters

    10 The Configuration ■ Properties: Display and printout of all configuration settings 10.2 Configuration - Weighing parameters Configuration - Weighing parameters Basic unit Refresh rate Normal Environment Normal Autostandby time Autozero Quicktare Basic unit: g, mg, kg, ..., baht Unit in which the weighing results usually are displayed. Learn more in chapter 12.4.4 "Application: Units Conversion".

  • Page 28: Configuration - Protocol

    ■ 10 The Configuration Calibration Mode: Off, External, Ext. user-def.weight, Internal, Automatic - Calibration closed - External calibration Def.-Weight] - External calibration with a user-defined calibration weight, see „[ “ - Calibration with the internal calibration weight - Automatic calibration on time, temperature or time and temperature [User-def.weight:] 0.000 g, n.nnn g.

  • Page 29: Configuration - Protocol - Autostart

    10 The Configuration ■ Header: Define Defines the format of a header in the printout. An‘*‘ is displayed if the Header is enabled Footer: Define Defines the format of a footer in the printout. An‘*‘ is displayed if the Footer is activated 10.4.1 Configuration - Protocol - Autostart Configuration - Protocaol - Autostart Autostart...

  • Page 30: Configuration - Protocol - Value Format28

    ■ 10 The Configuration 10.4.3 Configuration - Protocol - Value format Configuration - Protocol - Value format Value format Standard Spacing Define Value Define Position Define Value format: Standard, User defined - Standard format for weight value - User defined format for weight value [Spacing:] Define (only available with Value format user defined) Defines the space holders in the user defined format...
  • Page 31 10 The Configuration ■ 10.4.3.2 Configuration - Protocol - Value format - Value This setting is only available if the value format is set to „user defined“, see chapter 10.4.3 "Configuration - Protocol - Value format". Configuration - Protocol - Value format - Value Sign -xxx.yy Length...

  • Page 32: Configuration - Protocol - Header/Footer

    ■ 10 The Configuration Indicator *,o: 0ff, no. 1, no. 2, no. 3, no. 4, no. 5 Position of Indicator *,o, e.g.: 1st position Indicator <,>: 0ff, no. 1, no. 2, no. 3, no. 4, no. 5 Position of space holder 2, e.g: not used Value: 0ff, no.
  • Page 33 Text line 5 The free text of the header may act as heading or a title: Text line 1: ___ Defines free text line 1, e.g.: „Precisa Gravimetrics AG“ Text line 2: ___ Defines free text line 2, e.g.: „Moosmattstrasse 32“...
  • Page 34 ■ 10 The Configuration Configuration - Protocol - Header/Footer - Free HEX lines HEX line 1 HEX line 2 HEX line 3 HEX line 4 HEX Line 1: ___ Defines hexadecimal characters of line 1, e.g.: 27,01,02,0D,0A (=ESC,01,02,CR, LF) HEX Line 2: ___ Defines hexadecimal characters of line 2, e.g.: 27,00,0D,0A (=ESC,00,CR, LF) HEX Line 3: ___ Defines hexadecimal characters of line 3...

  • Page 35: Configuration - Interface

    10 The Configuration ■ Header & Footer Date/Time 18.01.09 19:15:02 Prints out the actual Date and Time, see chapter 10.7 "Configuration - Date/Time" Header & Footer User User Administrator Names the user, learn more in chapter 11.2 "The Admi- nistrator Menu" Footer Signature Signature...

  • Page 36: Configuration - Device Settings

    ■ 10 The Configuration 10.6 Configuration - Device settings Configuration - Device settings Device ID Language English Key tone Display contrast Medium Display backlight Headline Device info  Configuration - Device settings Home Applications  Device ID: ___ Allows to put in an alpha-numerical identification (max. 20 caracters) which is also displayed during the start-up sequence, when the balance is switched on Language: English, Deutsch, Française Selects a language...

  • Page 37: Configuration - Minimal Sample Weight

    10 The Configuration ■ Time format: 12 Hours, 24 Hours Selects the time format Time: 08.19.57 Sets the clock time NOTE If a power failure occurs, the timer continues running. If this does not happen, this indicates that the instrument's backup battery has expired and has to be replaced by the Customer Service. 10.8 Configuration - Minimal sample weight The minimal sample weight function is discussed in chapter 12.2.3 "Power Function: Minimal sample weight"...

  • Page 38: Configuration - Draft Shield - Settings

    ■ 10 The Configuration Left sensor: Open left, Open right, Tare, Print, Store sample, Off Assigns that as soon as the sensor perceives any movement, - the door opens on the left side - the door opens on the right side - the tare command is executed - the print command is executed - the sample is stored...

  • Page 39: Configuration - Properties

    10 The Configuration ■ Acoustic signal: Off, On Sets on/off the acoustic signal to indicate the sensors‘ movement perception. Sensitivity: Low, Medium, High Defines the sensitivity of the draft shield sensors. 10.10 Configuration - Properties Select this menu item to display all settings of the configuration in an info window. To printout the content of this info window, press «PRINT», see also chapter 8.6 "The Info window".

  • Page 40: The Administrator And The User Profiles

    ■ 11 The Administrator and the User Profiles The Administrator and the User Profiles It is possible to save one administrator profile and 7 different user profiles. A profile consists of all the con- figuration and application settings. 11.1 Resetting to the Factory Configuration As administrator you can reset the balance to the basic configuration programmed in the factory at any time.

  • Page 41: Administrator - Define User

    11 The Administrator and the User Profiles ■ 11.2.1 Administrator - Define user This menu allows the administrator to manage the entire user list. Administrator - Define user User 1 Define User 2 Define User 3 Define User 4 Define User 5 Define User 6...

  • Page 42: Administrator - Define Administrator

    ■ 11 The Administrator and the User Profiles 11.2.2 Administrator - Define administrator This menu is about defining the administrator. Administrator - Define administrator Name Administrator Name: Administrator Names the administrator NOTE The name given to the administrator will just appear in protocols. In menues it continues appearing as „Administrator“.
  • Page 43 11 The Administrator and the User Profiles ■ only a service engineer can unlock the instrument again. NOTE Neither the theft protection status nor the anti-theft code changes by resetting the device to the factory settings.

  • Page 44: Applications And Functions

    ■ 12 Applications and Functions Applications and Functions Applications are features suited to specific weighing problems. The context menu of an application has always the following structure: at first there are listed the specific functions, followed by the available power functions (see chapter 12.2 "Power Functions") and utilities (see chapter 12.3 "Utilities").
  • Page 45 12 Applications and Functions ■ Application * Dynamic Weighing * Density Determination * Multilebvel Backweighing * Pipette Calibration * Buoy.-Error Suppress. Tech Auto. Repeatability Test To change the settings of an application, highlight it with { } or { } and press { }, here for instance Piece Counting: Application - Piece Counting...

  • Page 46: Power Functions

    ■ 12 Applications and Functions 12.2 Power Functions A power function is many functions in one, a real function package. It is a common function, available in the most applications. With a power function it is possible to extend an application with common skills. Let‘s have a closer look to the single power functions: •...

  • Page 47: Power Function: Statistics

    All data can be displayed and printed out upon your requirements. To take a closer look in practice, e.g. in chapter 7 "Discover the Capabilities of the New Series 360 EP" • Hold «MENU» to switch the home screen.
  • Page 48 ■ 12 Applications and Functions Weighing - Statistics Statistics Protocol Define Max. n Recording Manual [Time] 2.0 s [Min. loadchange +/-] 0.100 g [MinLoadch+SmpRng +/-] 50.000 % Auto tare Statistics: On, Off Statistics enabled/disabled Protocol: Define Defines the content and behaviour of the Protocol for the statistics (statistics log), see chapter 12.2.2.1 "Particular statistics protocol"...
  • Page 49 12 Applications and Functions ■ NOTE The statistics power-function has its own, particular protocol section. In case its auto-print item is enabled (see above), it overrides the common power function „Protocol“. NOTE The statistics function logs all measuring data and displays them as a statistics log in an info window as soon as {ShowStat} is pressed.
  • Page 50 ■ 12 Applications and Functions Weighing - Statistics - Protocol - Sample [ID 5] [ID 6]  Sample: On, Off If enabled, every single sample is listed in the statistics log. Measured value: Value, Time + Value, Date + Value, Date/Time + Value Adds by wish date, time or both, to the printout of the measured value.
  • Page 51 12 Applications and Functions ■ Position 1/2/ ... /14/15: Assigns single items to the up to 15 positions of the statistics protocol. See table below. Some items are set by default All positions OFF: Set Disables, by pressing { }, all statistics protocol positions. Set default settings: Set Sets, by pressing { }, all statistics protocol positions by default, i.e.
  • Page 52 ■ 12 Applications and Functions ID - ID 1 ID 1 „your entry“ With enabled ID 1 only: ID 1 ID - ID 2 ID 2 „your entry“ With enabled ID 2 only: ID 2 ID - ID 3 ID 3 „your entry“...

  • Page 53: Power Function: Minimal Sample Weight51

    12 Applications and Functions ■ Stat. Max.: Off Maximum value Stat. Min.: Off Minimum value Stat. Diff.: Off Difference from Maximum value to Minimum value Stat. >TO.: Off Number of values over limit Stat. <TU: Off Number of values under limit Stat.
  • Page 54 ■ 12 Applications and Functions • Repeatability: The repeatability is determined by the standard deviation of the balance on-site. It is determined by the ambient conditions, the nature of the goods being weighed and the balance settings. • Tare weight •...
  • Page 55 12 Applications and Functions ■ out the mean: Tare weight [g]) 0.050 0.045 0.040 0.035 0.030 StdD [mg]) 0.025 0.020 0.015 0.010 0.005 0.000 90 100 110 120 StdD= 0.025mg StdD= 0.035mg StdD= 0.045mg Calculate: MIN= 75mg MIN= 105mg MIN= 135mg (k=3, U= 0.1% –...

  • Page 56: Power Function: Identification

    ■ 12 Applications and Functions Weighing - Min. sample weight Min. sample weight Minimal sample weight: On, Off Minimal sample weight enabled/disabled By default assigned and available (off) specific soft key functions: None By default assigned and available (off) specific info fields: Min.
  • Page 57 12 Applications and Functions ■ Position 2: Date/Time Position 3: Formfeed Now the varying part. Switch the application Weighing, enter its context menu and define as follows: Identification: ID 1: On Name: Order ID 2: On Name: Client ID 3: On Name: Article ID 4: On Name: Art.-no.
  • Page 58 ■ 12 Applications and Functions CHEMIX Article Na HCO3 199.999 g Art.-no. 50501 Order 20090001 Client CityLab 01.04.09 10:58:32 Weigh in the second 200g and press «PRINT» Weigh in the third 200g and press «PRINT» • Press {Article} An identification window appears, awaiting your data entry. •...
  • Page 59 12 Applications and Functions ■ CHEMIX Article C6 H10 O5 100.001 g Art.-no. 10081 Order 20090002 Client FoodLab 01.04.09 11:09:40 Keep weighin in until you have your 5 packs ready. Now let‘s optimize the packing process and do all the packing again: Switch the application Weighing, enter its context menu and define as follows: Identification / Auto scan: On Scan Pos ID 3: Position 1...
  • Page 60 ■ 12 Applications and Functions Weigh in the second 200g and press «PRINT» Weigh in the third 200g and press «PRINT» • Press {Set ID} An identification window appears, awaiting your data entry for the enabled auto scan positions. • Put in „Fe Cl3“ •...
  • Page 61 12 Applications and Functions ■ 12.2.4.1 Setup the power function Identification • Hold «MENU» to switch the home screen. • Keep pressing { } until the settings menu is selected. • Press for instance the icon „Weighing“ by pressing the correspondent { }. •...
  • Page 62 ■ 12 Applications and Functions By default assigned and available (off) specific soft key functions: Set ID: Off Calls up the identification entry window, awaiting your data. ID 1/2/3/4/5/6: Off Calls up the identification entry window, awaiting data of a particular ID Set Item counter: Off Sets the item counter to a defined number.

  • Page 63: Utilities

    12 Applications and Functions ■ 12.3 Utilities A utility is an assistant. It is a basic function, available in the most applications. With a utility it is possible to change aspect and organization of an application. Let‘s have a closer look to the single utilities: •...

  • Page 64: Utility: Info Fields

    ■ 12 Applications and Functions • Press {ESC} to return to the running application Weighing and observe the two assigned soft keys „Clr Stat.“ and „Show Stat.“. Clr Stat. STORE 1 Show Stat. • Press «MENU» to switch the context menu again. •...

  • Page 65: Utility: Protocol

    12 Applications and Functions ■ Example: • Hold «MENU» to switch the home screen. • Switch for instance the icon Weighing by pressing the correspondent { }. • Press «MENU» to switch the context menu. • Keep pressing { } until the menu item „Info fields“ is selected. •...
  • Page 66 ■ 12 Applications and Functions • Hold «MENU» to switch the home screen. • Switch for instance the icon „Weighing“ by pressing the correspondent { }. • Press «MENU» to switch the context menu. • Keep pressing { } until the menu item „Protocol“ is selected. •...
  • Page 67 12 Applications and Functions ■ 12.3.3.1 Available basic protocol items: The following basic protocol items are of general nature and therefore not linked to single power functions or applications. They may be available in various protocol item select lists: Name and Brief Information How it Looks in the Printout (Example) „No printout“...

  • Page 68: Applications

    ■ 12 Applications and Functions 12.4 Applications NOTE Customizing an application includes also the possibility to change the settings of the soft keys, the info fields and the protocol. For this purpose a utility consists always of the following items: •...

  • Page 69: Application: Piece Counting

    12 Applications and Functions ■ 12.4.2 Application: Piece Counting With the aid of the application Piece Counting you can count items of uniform weight (screws, bearings, coins, etc.). For this, you must first weigh a defined number of items (for example 5 items) and assign the reference num- ber of pieces to the reference weight so obtained by pressing the corresponding function key.

  • Page 70: Application: Percent Weighing

    ■ 12 Applications and Functions Clr Pcs: no. 3 Clear reference for piece counting, switch back to basic unit By default assigned and available (off) specific info fields: PcsWgt: Page1 - Top right Current reference weight of 1 piece RefPcs: Page1 - Bottom right Number of pieces used for the calculation of the reference weight By default assigned and available (off) protocol items: Name and Brief Information...

  • Page 71: Application: Units Conversion

    12 Applications and Functions ■ Set Var%: no. 2 Sets the current value as free definable percentage Clr %: no. 3 Clears % as unit and displays the value in the basic unit By default assigned and available (off) specific info fields: Reference: Page1 - Top right Weight that corresponds with the defined percentage under Reference% Reference%: Page1 - Bottom right...
  • Page 72 ■ 12 Applications and Functions Free unit 1/2/3/4: Define Defines a free unit in which to display the measuring result, see below under defining a free unit Unit 1/2/3/4/5/6: Off, g, mg, kg, ..., baht Selects a unit in which to display the measuring result, see also chapter 10.2 "Configuration - Weighing pa- rameters".

  • Page 73: Application: Dynamic Weighing

    12 Applications and Functions ■ 12.4.5 Application: Dynamic Weighing The dynamic weighing workflow supports accurate weighing under unstable circumstances, e.g. on board ships, or weighing animals. During the period of measurement, defined by the user, the balance measures continuously, calculates the mean of all saved values at the end of the measuring period and indicates the resulting average value.

  • Page 74: Application: Automatic Repeatability Test Art

    ■ 12 Applications and Functions 12.4.6 Application: Automatic Repeatability Test ART The automatic repeatability test ART provides you with a quick and easy way to get a statement about the quality of your working location. To run this application • Hold «MENU» to switch the home screen. •...

  • Page 75: Data Transfer

    13 Data Transfer ■ Data Transfer For data-transfers to peripheral devices, the balance is equipped with an RS232/V24-interface. Before the data-transfer, the RS232 interface must be matched with the one in the peripheral device in the balance configuration menu (see chapter 10.5 "Configuration - Interface"). •...

  • Page 76: Remote Control-Commands

    ■ 13 Data Transfer • Standard, duplex connection with additional hardware handshake in the peripheral device Balance DB 9 female D25 / D9 Peripheral device RS 232 out RS 232 in RS 232 in RS 232 out 13.2 Remote control-commands Command Function ACKn...

  • Page 77: Examples For The Remote Control

    13 Data Transfer ■ NOTE Each remote control-command must terminate with «CR» «LF». The commands are acknowledged if re- quired. 13.2.1 Examples for the remote control Input Description of the function executed D – – – – – Five dashes are displayd DTEST123 TEST123 is displayd The display is dark...

  • Page 78: Maintenance And Servicing

    ■ 14 Maintenance and Servicing Maintenance and Servicing 14.1 Calibration The calibration of the balance is fixed in the Configuration menu ( 6.7 "Calibration of the Balance" and 10.3 "Configuration - Calibration"). Possible types of calibration, depending on the model of balance: •...

  • Page 79: Internal Calibration

    14 Maintenance and Servicing ■ Start the calibration: Display Step - - - - The balance carries out a Zero measurement „- - - - g“ is shown flash- ing..Measuring zero ... - - 1 1 2 3 After the zero measurement the display flashes with the recommended calibration weight.

  • Page 80: Cleaning

    ■ 14 Maintenance and Servicing 14.3 Cleaning The balance must be treated carefully and cleaned regularly. It is a precision instrument. DANGER For maintenance work, the balance must be separated from the power supply (remove power adaptor plug from socket). Also ensure that the balance cannot be reconnected to the power supply during the work by a third party.
  • Page 81 14 Maintenance and Servicing ■ Fault Possible Cause Results of • The balance was not correctly tared weighing are • The balance is not correctly levelled clearly incor- • The calibration is no longer correct rect • There are strong temperature variations There is no •...

  • Page 82: Additional Information

    ■ 15 Additional Information Additional Information The balance can show results in different units, although with some balances display is not possible in milligram or kilogram because of the corresponding weight range. Display Weight Unit Conversion to Gram Gram (mg) Milligram 0,001 g (kg)
  • Page 83 15 Additional Information ■...

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