VWR P2.H Series User Manual
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VWR P2.H Series User Manual

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VWR P2.H-Series
USER MANUAL

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Summary of Contents for VWR P2.H Series

  • Page 1 VWR P2.H-Series USER MANUAL...
  • Page 2 AUGUST 2017...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. INTENDED USE ..............................5 2. PRECAUTIONS ..............................5 2.1. Maintenance ..............................5 2.2. Accumulator / battery pack ..........................5 2.3. Operation in a strong electrostatic field ......................6 2.4. Maintenance activities ............................6 3. WARRANTY CONDITIONS ..........................7 4. MAIN DIMENSIONS ............................8 5. UNPACKING AND ASSEMBLY ..........................9 6.
  • Page 4 17.5.2. Mass of standard inscribed to scale memory ..................40 17.6. Automatic tare ............................. 41 Measurement of maximal force on the pan – latch ................42 17.7. 17.8. Totalizing ............................43 17.8.1. Enabling the work mode........................43 17.8.2. Totalizing procedure ........................... 43 17.8.3.

  • Page 5: Intended Use

    • VWR scales are devices designed to be supplied from SLA accumulators (Sealed lead acid type) 6V and capacity 3 to 4Ah charged while connected to mains without stopping operation. In case of an elongated storage period in low temperatures, it is not allowed the full discharge of the accompanied batteries.

  • Page 6: Operation In A Strong Electrostatic Field

    to your regular household waste. The European legislation requires that electric and electronic equipment be collected and disposed separately from other communal waste with the aim of being recycled. Caution: Some symbols on accumulators identify harmful elements/compounds: Pb = lead, Cd = cadmium, Hg = mercury.

  • Page 7: Warranty Conditions

    While polishing the surface use circular movements. Use clean, dry cloth. 3. WARRANTY CONDITIONS A. VWR is obliged to repair or change those elements that appear to be faulty because of production and construction reason, B. Defining defects of unclear origin and outlining methods...

  • Page 8: Main Dimensions

    4. MAIN DIMENSIONS...

  • Page 9: Unpacking And Assembly

    5. UNPACKING AND ASSEMBLY • Unpack and put the scale on a flat even stable surface far away from sources of heat, • Install the weight pan according to the drawings below: 6. UNDER-PAN WEIGHING The scale offers under-pan weighing option wherein the load is weighed when hanged under the device.
  • Page 10 2. Remove the hole plug. 3. Fix the hook. 4. Turn the scale bottom side down.

  • Page 11: Getting Started

    7. GETTING STARTED • After unpacking and mounting the scale, level the scale. Adjust the leveling feet until the leveling bubble reaches the correct location. • key – keep pressing the key for about 0.5 sec Turn the device on using the •...

  • Page 12: Keys' Functions

    10. KEYS’ FUNCTIONS Switching on/off Function key (operation mode selection) Sending a weighing result to RS232 Zeroing Tarring Notice: keys’ functions changes. The way of operation in this mode is After pressing described in details further in this manual. 11. INSCRIPTIONS ON THE DISPLAY No Text string Description Filter level...

  • Page 13: User Menu

    Indication in autozero zone (indication = exact zero) Stable result (ready to read) Operation mode - counting pieces kg (g) Operation mode - weighing Rechargeable battery pack or battery discharged (BAT-LO) Tare function has been used +/- control with reference to the standard mass: setting the lower threshold or mass below the first threshold +/- control with reference to the standard mass: load mass between the thresholds...

  • Page 14: Browsing User Menu

    P4.b tArE othr P5.1 Auto P5.2 bLbt P5.3 bEEP P5.4 Auto P5.5 CHr6 P6.1 St_u * FUNCTION * P6.2 uCAL * FUNCTION * P6.3 CA-C P6.4 CA-r Browsing user menu 12.2. Use scale’s keys to move inside the menu. Keypad 12.2.1.

  • Page 15: Return To The Weighing Mode

    Leaving without changes or reaching a higher level of the menu Return to the weighing mode 12.2.2. The changes that have been introduced should be saved in order to keep them in the memory for good. While leaving parameters press key until the text <SAuE?>...

  • Page 16: Taring

    • Do not load the pan with concentrated force: • Avoid side loads, particularly side shocks should be avoided 13.1. Taring In order to determine the net mass put the packaging on the pan. After stabilizing press - (Net pictogram will be displayed in the left upper corner and zero will be indicated). After placing a load on the weight pan net mass will be shown.

  • Page 17: Inscribing Tare Value

    13.2. Inscribing tare value You can also inscribe a tare value. While in weighing’s mode press: • Press simultaneously • You will see : • Using set the tare value, • Press • Program returns to weighing’s mode. The inscribed tare value can be seen on the display with "–"...

  • Page 18: Selection Of Basic Weight Unit

    13.4. Selection of basic weight unit This function is used to set weight unit the scale will start with. Procedure: • Enter the submenu <P3.Unit> and then: • press , until the expected unit appears on the display: • After you select the unit press the scale returns to: •...

  • Page 19: Temporarily Selected Unit

    13.5. Temporarily selected unit This function is used to set weight unit the scale will use temporarily until the next power off or next selection. Procedure: • Press and then: • After you select the unit you want come back to weighing procedure.

  • Page 20: Main Parameters

    14. MAIN PARAMETERS Users can adjust the scale to external ambient conditions (filtering level) or particular needs (autozero operation, tare memory). These parameters are placed in <P1.rEAd> submenu. 14.1. Setting a filtering level Procedure: • Enter the submenu <P1.rEAd> and then: 1 - 4 - level of filtering •...

  • Page 21: Median Filter

    14.2. Median filter This filter eliminates short changes (impulses) of measure signal (e.g. shocks). Procedure: • Enter the submenu <P1.rEAd> and then: Fnnd - filter disabled Fnnd YES - filter enabled Return to weighing: See - 12.2.2. 14.3. Autozero function The autozero function has been implemented in order to assure precise indications.

  • Page 22: Tare Function

    Procedure: • Enter the submenu <P1.rEAd> and then: Fnnd - filter disabled Fnnd YES - filter enabled Return to weighing: See - 12.2.2. 14.4. Tare function This parameter enables users to configure a tare function. Procedure: • Enter the submenu <P1.rEAd> and then:...
  • Page 23 tArA AtAr - automatic tare function on and is stored in balance memory after unplugging it from mains (Description of function operating point 16.6 automatic tare) tArA - automatic tare function off (user can turn on operating of automatic tare F6 AtAr –...

  • Page 24: Rs 232 Parameters

    15. RS 232 PARAMETERS External devices connected to RS 232C have to be supplied from the same mains and common electric shock protection. It prevents from a potential difference between zero leads of the two devices. This notice does not apply to the devices that do not use zero leads. Transmission parameters: •...

  • Page 25: Minimal Mass Threshold

    Pr_n noStAb - immediate printout (not accessible in verified scales) - sending stable results Pr_n StAb - automatic operation Pr_n rEPL - continuous transmission in basic unit Pr_n CntA - continuous transmission in present unit Pr_n Cntb Return to weighing: see 12.2.2.

  • Page 26: Baud Rate

    Procedure: • Enter the submenu <P2.Prnt> and then: Return to weighing: see 12.2.2. 15.3 Baud Rate Procedure: • Enter the submenu <P2.Prnt> and then:...

  • Page 27: Serial Transmission Parameters

    Return to weighing: see 12.2.2. 15.4 Serial transmission parameters Procedure: • Enter the submenu <P2.Prnt> and then: 7d2SnP - 7 data bits; 2 stop bits, no parity control 7d1SEP - 7 data bits; 1 stop bit, EVEN parity control 7d1SoP - 7 data bits; 1 stop bit, ODD parity control 8d1SnP - 8 data bits;...

  • Page 28: Other Parameters

    16. OTHER PARAMETERS The user can set parameters which influence the scale operation. They are gathered in the submenu <P5.othr> e.g. backlight and beep signal. Enter this submenu <P5.othr> according to chapter 12.2. 16.1. Backlight function Program recognizes the way the scale is supplied (mains, battery) and automatically selects the way of operating on the backlight: –...

  • Page 29: Backlight For Supplying From Batteries

    Notice: When bl=Auto, and the indication has not changed for 10s, the backlight is automatically switched off. The backlight is switched on again automatically after the result changes. 16.1.2. Backlight for supplying from batteries The user can change the intensity of backlight from 0% to 100%. The lower the intensity is the longer the scale operates without recharging or exchanging batteries.

  • Page 30: Automatic Switch-Off

    bEEP - switched off bEEP YES - switched on Return to weighing: See 12.2.2. 16.3. Automatic switch-off This function is essential to save battery power. The scale is switched off automatically when (function t1 = YES) no weighing appears in 5 minutes. (no changes on the display). In cases when this function disrupts the operation (e.g.

  • Page 31: Battery Voltage Level Check

    Return to weighing: See 12.2.2. 16.4. Battery voltage level check If supply from the batteries is at too low of a level of voltage, the pictogram is displayed. It means that charging of batteries is required. 16.4.1. Checking the batteries This function is to check the level of battery supply.

  • Page 32: Battery Discharge Pictogram

    After displaying the level of batteries (in percent) the program returns to weighing. 16.4.2. Battery discharge pictogram The symbol (bat low) switches on when the voltage level drops to 18% of the accepted level of voltage. It means that charging of batteries is required. Low level of batteries: •...

  • Page 33: Operation Modes

    • Enter the submenu <P5.othr> and then: CHr6 YES - enabled CHr6 no - disabled Return to weighing: See 12.2.2. 17. OPERATION MODES 17.1. Setting accessibility of operation modes In this parameter group users can disable/enable accessibility of functions after pressing key.

  • Page 34: Selecting Quantity Of Operation Modes

    See 12.2.2. 17.2. Selecting quantity of operation modes This function enables user to set how many chosen and used by an operator working modes are to be accessible after pressing key, (ALL) or only one. Procedure: • Enter the submenu <P4.Func> and then: After choosing setting press key.
  • Page 35 2. The counting pieces function is not saved as a default start function so it is not remembered after restarting. Procedure: • Enter to <PcS> function: • You will see a blinking value of sample quantity. • Press key to start setting quantity of sample, you have a few options to choose from: •...
  • Page 36 • Using enter the required sample quantity, where: selection of digit position, - setting the digit, • Confirm the value by pressing • You will see <LoAd> on the display and then: • If weighing is performed in a container put the container on the pan first and then tare it. Then put the declared quantity of pieces on the pan and confirm it when stable (signaled by The program will automatically calculate the mass of a single piece and go on to the Piece Counting mode (pcs).

  • Page 37: Control Referring To The Inscribed Standard Mass Procedure

    17.4. +/- control referring to the inscribed standard mass Procedure: • Enter to <HiLo> function: • The program enters the window of setting the lower threshold of weighing (Min): • The inscribed value is confirmed by pressing , the program will automatically go to the higher threshold of weighing (Max):...

  • Page 38: Control Of % Deviation Referring To The Inscribed Standard Mass

    • The inscribed value confirm by pressing , the program will automatically go to the main window. • During setting threshold values following cases take place: Notice: If a user erroneously enters a value of the lower threshold higher than the upper one, the scale will indicate an error message and will return to weighing.

  • Page 39: Standard Mass Determined By Its Weighing

    17.5.1. Standard mass determined by its weighing Procedure • Enter to <PrcA> function: • You will see <LoAd> on the display and then: • place an load on the pan which mass will be accepted as standard • press to confirm this operating mode •...

  • Page 40: Mass Of Standard Inscribed To Scale Memory

    17.5.2. Mass of standard inscribed to scale memory Procedure: • Enter to <PrcB> function: • The program goes to the weight display window: • Using set standard mass, where: - digit selection, - digit setting. • Confirm the entered value by pressing , •...

  • Page 41: Automatic Tare

    17.6. Automatic tare This function is useful for fast net mass determination of weighed load in case when tare value of is different for each load. In case when the function is active the cycle of scales operating looks as follows: •...

  • Page 42: Measurement Of Maximal Force On The Pan - Latch

    17.7. Measurement of maximal force on the pan – latch Procedure: • Enter to <toP> function: • Confirmation of choice of <toP> function is indication of the Max pictogram: • Apply a force to the weighing pan, • The display of scale will latch the maximum value of the force, •...

  • Page 43: Totalizing

    17.8. Totalizing Scale software is equipped in a totalizing function of single weighing’s. The totalizing procedure can be documented on the printer connected to the indicator. 17.8.1. Enabling the work mode Procedure: • Enter to <Add> function: • A letter “P” in the left side of the display is a confirmation that <Add>...

  • Page 44: Memory Of The Last Value Of Sum Of Weighed Goods

    • Take off the load from the pan, indication returns to ZERO and the letter “P” in the left part of the display appears, • Put the next load on the pan, • After stabilizing press , the sum of first and second weighing will appear on the display, the “▲”...

  • Page 45: Return To Weighing

    In order to continue the procedure press , the indication returns to ZERO and the letter “P” appears in the left part of the display. The scale is ready for weighing, In order to terminate the previous totalizing procedure press key, , or You will see the letter “P”...

  • Page 46: Weighing Animals

    17.9. Weighing animals Procedure: • Enter to <AnLS> function: • The <tinnE> message appears on the display for 1s, and then the program goes to the window of setting the duration time (in seconds) of the animal weighing process:  ...
  • Page 47 • Load an animal to the platform, • After exceeding the -LO- value (see 15.2), program starts the weighings process. The appearance of subsequent hyphens < - - - - - - - > showing the progress, • After completing the process of weighings the result is latched on the display and additionally the OK pictogram is shown in the upper part of the display: •...

  • Page 48: Tare Memory

    17.10. Tare memory Users are allowed to Enter Up to 9 tare values to the memory. 17.10.1. Entering the tare value to the scale memory Procedure: • Enter to <tArE> function: • The program goes to displaying the first value from the selection of tare values <tArE 0> (press to choose different values): •...

  • Page 49: Selecting A Tare Value From The Memory

    • Enter the selected tare value to the scale • The program returns to the following window: Return to weighing:  • Press 17.10.2. Selecting a tare value from the memory • Enter <tArE> function according to the ch. 17.10.1 of the manual, •...

  • Page 50: Scale Calibration

    Caution: A tare value from the memory is not remembered after powering off and on the scale. 18. SCALE CALIBRATION In precise scales changes of gravitational acceleration have noticeable influence. The gravitational acceleration changes with altitude and latitude. Every scale has to be adjusted to the place of use especially when the place changes.
  • Page 51 • Following messages will be displayed: • During this time start mass is adjusted, and after completing the procedure calibration weight mass is displayed (e.g. 3.000kg), • Place the required weight on the pan, • Calibration process starts automatically after placing the adequate weight that is signaled by the following message: •...

  • Page 52: Cooperation With Printer

    • Calibration process can be terminated anytime by pressing which is signaled by the following message on the display: • Return to weighing with saving changes that have been made. Caution: If the calibration process (span adjustment) lasts longer than 15 the <Err8>...

  • Page 53: Cooperation With Computer

    Scale – EPSON printer cable diagram 20. COOPERATION WITH COMPUTER Sending weighing results to the computer can be done: after pressing key, - manually - in continuous way after function activating or sending an appropriate command, - automatically After stabilizing the indication - on the request from the computer - After sending a control command...

  • Page 54: Communication Protocol

    Cable diagrams: Scale – computer cable diagram 21. COMMUNICATION PROTOCOL 21.1. General information A. A character protocol scale-terminal has been designed for communication between the scale and external devices via RS-232 interface. B. It consists of commands sent from an external device to the scale and a response from a scale.

  • Page 55: A Set Of Commands For Rs Interfaces

    21.2. A set of commands for RS interfaces Commands Description of commands Zeroing Tarring Get tare Set tare Send the stable result in basic unit Send the result immediately in basic unit Send the stable result in current unit Send the result immediately in current unit Switch on continuous transmission in basic unit Switch off continuous transmission in basic unit Switch on continuous transmission in current unit...

  • Page 56: Command's Description

    21.4. Command’s description 21.4.1. Zeroing Syntax Z CR LF Possible answers: 21.4.2. Tarring Possible answers command accepted and in progress T_A CR LF command completed T_D CR LF command accepted and in progress T_A CR LF command comprehended but tare range overflow appeared T_v CR LF command accepted and in progress T_A CR LF...

  • Page 57: Set Tare Value

    21.4.4. Set tare value Syntax: UT_TARE CR LF, where TARE – tare value Possible answers: UT_OK CR LF - command executed UT_I CR LF - command comprehended but cannot be executed ES CR LF - command not recognized (possible wrong tare format) Notice: This protocol uses the dot character as a decimal point for separating the decimal fraction part.

  • Page 58: Send The Stable Result In Current Unit

    MASS FRAME - mass value in basic unit is returned Frame format: 7-15 17 18 space stability space sign mass space unit Example: S I CR LF – computer command S I _ ? _ _ _ _ _ _ _ 1 8 . 5 _ k g _ CR LF - command done, mass value in basic unit is returned immediately.

  • Page 59: Switch On Continuous Transmission In Basic Unit

    SUI_I CR LF - command comprehended but cannot be executed MASS FRAME - mass value in current unit is returned immediately Frame format: 7-15 17 18 19 20 21 stabilit space sign mass space unit CR LF Example: S U I CR LF – computer command S U I ? _ - _ _ _ 5 8 .

  • Page 60: Switch On Continuous Transmission In Current Unit

    21.4.11. Switch on continuous transmission in current unit Syntax: CU1 CR LF Possible answers: CU1_I CR LF - command comprehended but cannot be executed CU1_A CR LF command comprehended and in progress mass value in current unit is returned MASS FRAME Frame format: 7-15 17 18 19...

  • Page 61: Give Serial Number

    Possible answers: K0_OK CR LF – command in progress 21.4.15. Give serial number Syntax: NB CR LF Possible answers: - command comprehended, scale serial number is given NB_A_”Factory number” CR LF in return - command comprehended but cannot be executed NB_I CR LF ”Factory number”...

  • Page 62: Continuous Transmission

    Stability character [space] if stable [?] if not stable [^] if an indication over the range [v] if fan indication below the range sign [space] for positive values or [-] for negative values 9 characters justified to the right mass 3 characters justified to the left unit 3 characters justified to the left...

  • Page 63: Error Commands

    The frame format sent by the indicator in case of setting <P2.Prnt> to Cntb: 7-15 17 18 19 stability space sign mass space unit CR LF 22. ERROR COMMANDS Err2 Value beyond the zero range Value beyond the tare range Err3 Err4 Calibration mass or start mass beyond the acceptable range (1% for weight,...

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