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Precisa 390 HF Operating Instructions Manual

Semi-micro and analytical balances
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S W I S S M A D E
390 HF/HA/HE/HM
Operating Instructions
350-8182-000 --

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Summary of Contents for Precisa 390 HF

  • Page 1 S W I S S M A D E 390 HF/HA/HE/HM Operating Instructions 350-8182-000 --...
  • Page 2 Identification Operating Instructions, Precisa 390, Semi-micro and analytical balances HF/HA/HE/HM Item number 350-8182-000 Index -- June 2020 Subject to technical modifications www.precisa.com Copyright No reproduction in any form of this document, in whole or in part, may be made without written authorization from Precisa Gravimetrics AG.

  • Page 3: Table Of Contents

    Active Add On’s and Functions, MSW ................28 Customizer Tab ....................... 28 Info section......................28 5.4.1 Layout definition ...................... 28 Action Bar and Soft Buttons customizing..............29 5.5.1 Define the layout ..................... 30 Status symbol ......................31 Notes ........................31 Precisa Gravimetrics AG...
  • Page 4 6.12.2 Adjustment mode external ..................58 6.12.3 Adjustment mode External Defined ................58 6.12.4 Adjustment mode Internal ..................58 6.12.5 Adjustment mode Automatic ..................58 6.13 Setting Levelling ...................... 60 Add-On: Units / Free Conversion .............. 62 Precisa Gravimetrics AG...
  • Page 5 Electrostatic neutralisation system ECS (optional) ............80 Data tranfer ........................81 13.1 Connection ......................81 13.2 Interface ........................ 82 13.3 Daten cables ......................82 13.4 Remote command ....................82 Audit Trail ........................83 14.1 Search data ......................83 14.2 Export ........................83 Precisa Gravimetrics AG...

  • Page 6: Your New Balance

    Your new balance 1 Your new balance Thank you for purchasing a new Precisa balance from the 390 series. 1.1 About this manual This manual has been written to help you working with your new balance. Read this manual thoroughly before use and keep it where all those who use the instrument will read it.

  • Page 7: Transport And Shipping

    Avoid shaking, severe impacts and vibrations during transportation.  Ensure that there are no significant temperature fluctuations during transportation and that the balance does notbecome damp (condensation). NOTE The balance should preferably be dispatched and transported in the original packaging to avoid transportation damage. Precisa Gravimetrics AG...

  • Page 8: Storage

    Item 390-4038 Cardboard box 290-4047 Cushion 390-7017 Cushion set 390-7058 Cardboard box with contents 390-4040 Spacer cushion PN 1053-025 Protective plug PN 2000-202 Edge protector PN 2000-201 Retention belt with buckle PN 2000-137 Plastic bag 390-8xxx-xxx Balance Precisa Gravimetrics AG...
  • Page 9 Your new balance Pos. Pcs. Item number Item 390-4037 Cardboard box 390-7060 Cushion inlay set Precisa Gravimetrics AG...
  • Page 10 PN 3602-400 Power cable, Schuko PN 3602-401 Power cable, Swiss type PN 3602-402 Power cable, USA PN 3602-403 Power cable, UK PN 3951-021 Power cable, AUS 350-8180-900 Leaflet "Safety" 350-8181-900 Leaflet "Quick start" PN 3950-125 USB cable A-B Precisa Gravimetrics AG...

  • Page 11: Assembling

    Your new balance 1.6 Assembling Optional Click Click Precisa Gravimetrics AG...
  • Page 12 Your new balance ⦮ 45° Click Precisa Gravimetrics AG...
  • Page 13 Your new balance Precisa Gravimetrics AG...

  • Page 14: Safety Instructions And Conformity

    If it doesn't, the equipment must not be connected to the mains at all! NOTE If any damage or injury occurs, liability and responsibility rest with the user. Precisa Gravimetrics AG...

  • Page 15: Conformity

    Your new balance 1.7.2 Conformity The device has been manufactured and tested in accordance with the standards and directives set out in the enclosed certificate of conformity. Precisa Gravimetrics AG...

  • Page 16: Basics

    Call up "Settings",  Call up "Weighing parameters", and  Set all parameters upon your requirements. NOTE Pressing "?" calls up the contextual Help which provides detailled information about the point you currently are. For quitting Help, press "Close". Precisa Gravimetrics AG...

  • Page 17: Turning On The Balance

    Select Administrator by calling up "Administrator". The balance starts-up executing the Weighing application. NOTE If users already have be defined the user screen could appear after starting up NOTE In order to get exact measurements, ensure the balance has reached its operating temperature, see 2.8. Precisa Gravimetrics AG...

  • Page 18: Levelling

    In order to get exact measurements, the balance must again be carefully levelled after neach relocation. NOTE Pressing "?" calls up the contextual Help which provides detailled information about the point you currently are. For quitting Help, press "Close". Precisa Gravimetrics AG...

  • Page 19: Customizing And Adjusting The Draft Shield (Models Hf/Ha/He Only)

    NOTE If it should still not open or clamp correctly, contact Precisa Service 2.6 Setting the touchless sensors (TLS) (optional) Touchless sensors are very helpful. They not only allow you to open and close the draft shield, they let you perform a lot of other routines without touching the balance, too.
  • Page 20 Scroll down, call up "Adjustment",  Press "Adjustment mode" and  Select the mode you wish. NOTE Pressing "?" calls up the contextual Help which provides detailled information about the point you currently are. For quitting Help, press "Close". Precisa Gravimetrics AG...

  • Page 21: Working With The Balance

    By pressing "Tare", the finerange can be called up as often as required over the entire weighing range. 2.11 Verified balances Verified balances are provided with the EC/OIML certification, or meet the local verification regulations. On verified balances, the balance range and certain weighing functions differ from standard. Precisa Gravimetrics AG...
  • Page 22 Basics NOTE Your local dealer will be happy to assist you at any time if you have any questions about verifying your balance or working with verified balances. Precisa Gravimetrics AG...

  • Page 23: Discover The Capabilities Of The Series 390

    The central screen shows the current application.  Navigation to the User Screen or the Application Screen is done by swiping left or right. Thus a quick change of applications or user can be performed very easy. Precisa Gravimetrics AG...

  • Page 24: Current Application

    All work resp. Measurements that you carry out with the balance run on the current application screen; no matter whether it is a simple weighing, an adjustment or a complex application such as density determination. Due to the variety of applications, the appearance of the application screen can differ considerably. Precisa Gravimetrics AG...

  • Page 25: Application Screen

    The appearance remains basically the same on your scale. 3.6 User screen The user screen is used to access and define the different user profiles. In principle, the appearance always remains the same regardless of the newly defined users who join them Precisa Gravimetrics AG...
  • Page 26 Discover the Capabilities of the series 390 Precisa Gravimetrics AG...

  • Page 27: The Basic Structure Of The Screen

    4.5 Home The home symbol leads back to the set application from any situation. This is extremely helpful in more complex hierarchies, which can be exited very quickly. Precisa Gravimetrics AG...

  • Page 28: Current Application Screen

    Identification to add additional information to the measured values, e.g. a batch number, a measured value counter and much more, see 9 Add-On: Identification.  Protocol to adapt the printout of the application, see 10 Add-On: Protocol and 6.3 Protocol, GLP Header, GLP Footer. Precisa Gravimetrics AG...

  • Page 29: Active Add On's And Functions, Msw

    If you click on a module on the left, it is attached to the list on the right.  If a block in the list on the right is held fr approx. 2 seconds, it appears green and can be moved. Precisa Gravimetrics AG...

  • Page 30: Action Bar And Soft Buttons Customizing

    ... or e.g. to enter any identification.  Control contains the functions for adjustment, control of the option ECS (Electrostatic Cancellation System) or to move the draft shield.  The device contains the functions for controlling printing, data transfer etc. Precisa Gravimetrics AG...

  • Page 31: Define The Layout

    By selecting the key the background colour changes to green. This indicates that the button is ready to be placed in the action bar.  If a second function is positioned on an occupied button, a group is formed. This group can be given a name with the pencil. Precisa Gravimetrics AG...

  • Page 32: Status Symbol

    In case the inidator decreases only very slow or not at all, this means the weighing is disturbed e.g. by drafts, vibrations of the location or other influences, see 2.1 Choosing a suitable location Precisa Gravimetrics AG...

  • Page 33: Main Display

    If the weight is below the specified limit, a warning message appears above the weighing value. 5.16 Weight value The weighing value is displayed in the selected unit. 5.17 AOS “Ambient observation system” (Optional) Display of air temperature, humidity and pressure Precisa Gravimetrics AG...

  • Page 34: System Settings

    The basic settings of the balance can be found on the application screen.  If you are not already on the application screen, swipe left twice.  Swipe up to see the settings button and press it.  Swiping up and down gives you access to all system settings. Precisa Gravimetrics AG...

  • Page 35: Weighing Parameter

    The filter profiles are used to adapt the transient response of the balance to the special requirements of the application, e.g. for slow processes such as weight loss due to evaporation or dynamic processes such as dosing applications with liquids or powders. Precisa Gravimetrics AG...

  • Page 36: Value Release

    Serial interface on the back of the scale  Mass storage resp. USB stick inserted on the right of the terminal of the balance  Network LAN cable or USB WLAN adapter plugged in at the bottom of the terminal. Precisa Gravimetrics AG...

  • Page 37: Serial Port

    In the measured value transfer mode, the current weight value is transferred at the push of a button, if desired with a time stamp, device ID, net / gross / tare. For the definition of the format of the measured value transmission, see 6.4 Measurement transfer. Precisa Gravimetrics AG...

  • Page 38: Mass Storage

    Select Mass storage to transfer the data to a USB stick. If an existing USB flash drive is used, the log or measured value output (depending on the setting) is saved in a file on the stick in the selected format. Precisa Gravimetrics AG...
  • Page 39 ID. With net / gross / tare, two lines with the gross and tare value are transferred to the line with the net value. The format of the measured value transfer must be defined in see 6.4 Measurement transfer. Precisa Gravimetrics AG...

  • Page 40: Network

    The balance can be integrated into a network. For this purpose, a LAN cable or a USB WLAN adapter must be plugged at the bottom side of the balance terminal. For correct data transmission, the usual parameters of a network connection must be set appropriately on the scale and the receiver. Precisa Gravimetrics AG...
  • Page 41 The format of the measured value transfer must be defined as in 6.4 Measurement transfer. For the measured value transfer, the softbutton "Transfer" must also be activated in the action bar, see 5.5 Action Bar and Soft Buttons customizing. Precisa Gravimetrics AG...
  • Page 42 It is important to know whether to assign to the balance a static IP address or an automatic IP address from a DHCP server. In addition, the network administrator knows the port of the remote terminal of the network connection; for Precisa printers or software, this is normally port 2101 or 4001.
  • Page 43 Connecting to the LAN or WLAN In case you have selected in the menu "Data Exchange" WLAN the additonal entry "WiFi list" appears in the selection. Press "Set" to select the network with the password, according your network administrator. Precisa Gravimetrics AG...
  • Page 44 Mode of data output as "Protocol" or "Measurement transfer"  Local port of the balance which must be set on the other device Connection status of the balance as a Server with LAN and DHCP set in the mode “Protocol”. Precisa Gravimetrics AG...
  • Page 45 Mode of data output as "Protocol" or "Measurement transfer"  Remote host address or network name of the device to which the balance is to connect  Remote host port or the local port to which the scale is to connect onto the device Precisa Gravimetrics AG...

  • Page 46: Protocol, Glp Header, Glp Footer

    If the GLP header and the GLP footer should not be available for the application, they are deactivated here. NOTE Further information anout ndefining a pürotoclal ca be found in 10 Add- On Function Protocol . NOTE Further information on settings can be found in the context help. Precisa Gravimetrics AG...

  • Page 47: Glp Header

    To ensure easy orientation, the building blocks are divided into groups:  General contains blocks such as Date, time, user, the 3 text sections 1..3, line rewriting, etc.  Application contains blocks for the application.  Device contains blocks such as Device ID, device name, etc. Precisa Gravimetrics AG...

  • Page 48: Glp Footer

     Value decimal separator with point or comma  Unit transferred on or off  Unit width in number of characters or how many placeholders, right-justified  End character with <CR> <LF>, <CR> only or <LF> only Precisa Gravimetrics AG...
  • Page 49 If a channel is not physically available, the transfer may take a long time, because the scale only stops the transfer after a certain timeout. NOTE Further information on settings can be found in the context help. Precisa Gravimetrics AG...

  • Page 50: Device Settings

    Before the reset, you must confirm a security question. 6.6 Setting Date and Time Allows for all users to set date and time as well as set the format.  Date format: The date can be displayed in two formats: Precisa Gravimetrics AG...
  • Page 51 - 24 hours: Time representation based on the 24 hours model (ex.19:16, 04:10 etc) - 12 hrs: Time representation based on the 12 hrs model (e.g. 09:02 am, 02:10 pm etc))  Set Date / Set Time: Setting the date/time Precisa Gravimetrics AG...

  • Page 52: Minimal Sample Weight And Quality Management, Msw

    The smaller the used sample quantity, the greater the relative uncertainty of the measurement. Therefore the minimum weight which is required is determined on the basis of the QM criteria and of the statistical data from repeated weighing procedures. The Precisa Gravimetrics AG...

  • Page 53: Usp Chapter 41, Determinatin, Calculation

    "d" corresponds to the last digit on the right of the weight display of the balance or for a balance with a readability of 1 mg, d = 1 mg and W would therefore be R > = 0.41 mg. Precisa Gravimetrics AG...

  • Page 54: Draft Shield

    The gap of the draft shield door to the front glass can be adjusted for optimizing the protection grade of the draft shield. NOTE The movement oft he draft shield can be triggered by Action Bar and/or with the Touch Less Sensor Precisa Gravimetrics AG...

  • Page 55: Touch Less Sensor Tls (Option)

    IR-Sensors are suppressed reliably. Gesture left or right with gestures swipe up/down: Note If your balance is not yet equipped with the TLS, ask your Precisa representative whether this option can be retrofitted. Precisa Gravimetrics AG...

  • Page 56: Audible Feedback

    Level of ECS neutralisation. The optimal has to be found empirically. In case of doubt choose high.  Duration of ECS neutralisation. The optimal has to be found empirically. In case of doubt choose a long time. Precisa Gravimetrics AG...

  • Page 57: Device

    System Settings Note If your balance is not yet equipped with the ECS, ask your Precisa representative whether this option can be retrofitted. 6.11 Device Here you will find information about the device, which consists of a touch terminal and the weighing sensor.

  • Page 58: Adjustment

    After the adjustment, a protocol is output via the corresponding interface. If the balance is integrated in an EDP system, this can lead to problems, which is why the output can be suppressed with the Protocol setting. Precisa Gravimetrics AG...

  • Page 59: Adjustment Mode Off

     Automatic: As soon as an adjustment has been triggered, the balance shows a warning that the balance should be adjusted or operation is suspended and the balance starts to adjust automatically. Precisa Gravimetrics AG...
  • Page 60 The scale uses the AOS to monitor the current air pressure. If the deviation from the air pressure during the last adjustment is greater than the threshold, an adjustment is triggered.  AOS Delta pressure [hPa]: The threshold triggers a new adjustment if it deviates. Precisa Gravimetrics AG...

  • Page 61: Setting Levelling

    As soon as it is determined that leveling is necessary, the scale shows a warning until the scale is correctly leveled.  Suspend and level: As soon as the leveling is necessary, the operation is stopped until the scale is correctly leveled. Precisa Gravimetrics AG...
  • Page 62 System Settings NOTE Further information on settings can be found in the context help.. NOTE Indipendend of this monitoring, the balance can always be adjusted explicitly in the LEvelling application. Precisa Gravimetrics AG...

  • Page 63: Add-On: Units / Free Conversion

    Set the soft button (the set unit is displayed in the add-on) in order to switch between the units of change in the application. Remark: Further information can be found in the context help of the Soft Button Management. 7.3 Unit with free conversion For some applications non standard units or customized units are needed. Precisa Gravimetrics AG...
  • Page 64 Number of digits  Reciprocal: Depending on the settings, the result is calculated as follows:  Reciprocal: - Off: Free unit = Factor x net value [g] - On: Free unit = 1/Factor x net value [g] Precisa Gravimetrics AG...

  • Page 65: Add-On: Statistics

    Serves to mix or weigh different components directly in one container on the scale. - The automatic tare is activated and is performed after each recorded sample. - Only the total and the number of samples or components are displayed as the result. Precisa Gravimetrics AG...

  • Page 66: Statistics Settings, Common

    Manual Value are stored by pressing a smart button. Depending on the settings the smart button must be activated first.  Time interval: Time-interval Stores value automatically after a defined time interval. The time range must be within 1 and 999s Precisa Gravimetrics AG...
  • Page 67 50 g or above 150 g for a short time in between (load change +/- 50%) and the weight of all subsequent samples must be in the range between 50 g and 100 g (sample range +/- 50%). Precisa Gravimetrics AG...

  • Page 68: Add-On: Identification

    The behavior of the identifications can be defined in many different ways and is explained here using an example. Different types of products are to be tested. For this, 3 samples are weighed from each article. The article number is entered with a barcode reader. Precisa Gravimetrics AG...

  • Page 69: Identification, Mode

    The text can be changed, but the changes are not stored and only apply to one printout. Therfore a trigger shall be defined to print out the data for a measurement. NOTE Further information on settings can be found in the context help.. Precisa Gravimetrics AG...

  • Page 70: Add-On: Protocol

    6.3 Protocol, GLP Header, GLP Footer. 10.1 Protocol Header The header is usually printed out at the beginning with information about the company, laboratory, device identification, date, time, batch, etc. The trigger for the printout must be defined. Precisa Gravimetrics AG...

  • Page 71: Protocol Measurement

    Excample of a header block 10.2 Protocol Measurement The measurement block isusually printed once a weight or value has been measured or a value determinated. The trigger for the printout must be defined. Precisa Gravimetrics AG...
  • Page 72 In the edit mode you will find various items to choose from. Please note the text paragraps are also items and must therefore be placed in the layout to appear at the correct place in the printout. Example of a measurement block Precisa Gravimetrics AG...

  • Page 73: Protocol Footer

    Example of a footer block 10.4 Protocol text paragraphs Text paragraphs can be defined as multi-line text blocks. Press the marked symbol to insert a line break in the text section. The line break is then displayed as "¬". Precisa Gravimetrics AG...

  • Page 74: Protocol Items

    Observation System), see 12.3 Ambient Observation System AOS (optional. 10.5.1 Insert Protocol items By clicking the <Create> button an extensive selection of pre-defined text/functions items are presented on the left side. By selecting one this is moved to the right side. Precisa Gravimetrics AG...

  • Page 75: Move Items

    The items can be moved by drag & drop functionality, but it has been hold for approx. 2S until it appears in green. 10.5.3 Deletes items By selecting an item this turns to red. Pressing the waste bin symbol deletes it. Precisa Gravimetrics AG...

  • Page 76: The User Management

    Depending on the requirements the user profiles can be deleted, edited/modified individually. To do so, administrator access rights are mandatory. Tapping on the user management takes you to the user settings. Swipe up and down to access all settings. Precisa Gravimetrics AG...

  • Page 77: Creating A User

     Display name: Sets the name displayed as an alphanumeric data entry. This can be accomplished by the virtual keyboard or the by an external HID device (e.g. keyboard) Precisa Gravimetrics AG...

  • Page 78: Deleting A User

    (or user with autorisation of level 0), you can set the settings for each user as you would be the user himtself. For example, the administrator or QM manager can completely set the balance for a user and then block it by only giving the user access to level 4. Precisa Gravimetrics AG...
  • Page 79 The User Management As long as the settings of another user are edited, the header appears in red. To finish editing, simply select another user in the user screen Precisa Gravimetrics AG...

  • Page 80: Weighing Optimization

    In addition, the BEST application even enables the automatic correction of weighing results to the actual density of the sample. NOTE If your balance is not yet equipped with the AOS, ask your Precisa representative if this option can be retrofitted. 12.4 Buoyancy Error Suppression Technology BEST...

  • Page 81: Electrostatic Neutralisation System Ecs (Optional)

    With the ECS, the balance becomes a system which is optimally suited for determining the weight of plastics, powders or generally all materials which tend to become electrostatically charged. NOTE If your balance is not yet equipped with the ECS, ask your Precisa representative if this option can be retrofitted. Precisa Gravimetrics AG...

  • Page 82: Data Tranfer

    When used at the same time, USB has priority and works bidirectionally, while the RS232 connection only functions as a unidirectional output, which also uses the data from the scale e.g. to a line-oriented printer. Precisa Gravimetrics AG...

  • Page 83: Interface

    Info tone SOUNDW: Warn tone T (ttt): Tare or set tare to a specific value WSMOVE: Move draft shield Auto-Zero mode Off Auto-Zero mode On ZERO: Zero balance (provided weight is stable and within the zero position range) Precisa Gravimetrics AG...

  • Page 84: Audit Trail

    Change setting  Service switch pressed  System accessories changed  System time changed  System date changed  Sensor changed  Sensor firmware update  Start Sensor Firmware update  Terminal firmware update  Support package created Precisa Gravimetrics AG...
  • Page 85 Delete user  Create user  Change application  Change actionbar  Change info field  Levelling  Adjust spirit level  Adjust   Linearization  Adjust draft shield  Manuel entry, Administrator and Service user only Precisa Gravimetrics AG...

This manual is also suitable for:

390 ha390 he390 hm350-8182-000

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