Sartorius Portable Series Service Manual
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Sartorius Portable Series Service Manual

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WPT5002-e94081
Sartorius Portable und Gold
Service Manual

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Summary of Contents for Sartorius Portable Series

  • Page 1 WPT5002-e94081 Sartorius Portable und Gold Service Manual...

  • Page 3: Table Of Contents

    Contents ........................... Page Exploded-View Diagram........................... 4 Auxiliary Service Tools and Equipment......................6 General Handling and Operation of PT and GT Balances in Service ..............6 Accompanying Literature........................6 Function of Keys ..........................6 Startup Routine and Error Codes for MP 10.3 Balances ................7 Table of Adjustment Data ..........................

  • Page 4: Exploded-View Diagram

    Exploded-View Diagram...
  • Page 5 SARTORIUS Portable and Gold Index Designation Weighing pan Leaf spring (for grounding) Pan support Top part of the housing Manufacturer’s label Strain gauge system Lock nut Data interface Power supply PCB Battery PCB Battery cover Battery Battery base plate Plugs...

  • Page 6: Auxiliary Service Tools And Equipment

    In addition to the tools you regularly use, you will need the following special tools to work on SARTORIUS PT...- 000V1 balances and GT...- G00V1 scales:...

  • Page 7: Startup Routine And Error Codes For Mp 10.3 Balances

    SARTORIUS Portable and Gold Startup Routine and Error Codes for MP 10.3 Balances Startup Routine After you have turned on the balance/scale by pressing the key, the microprocessor in the balance/scale will check some of the weighing functions. In succession, the following will be indicated in the display: - Display segments are lit up.

  • Page 8: Table Of Adjustment Data

    Table of Adjustment Data Balance/scale PT 120 PT 120 PT 210 PT 600 PT 1200 PT 2100 PT 6 GT 210 GT 600 type -000V1 -000V103 -000V1 -000V1 -000V1 -000V1 -000V1 -G00V1 -G00V1 Weighing 121 g 210 g 610 g 1210 g 2100 g 6100 g...

  • Page 9: Balance/Scale Operating Menu

    SARTORIUS Portable and Gold Balance/Scale Operating Menu In the balance/scale operating menu, you can change individual code settings regarding the weight unit, balance/ scale response, display response, data output parameters and application parameters. For the factory-set menu codes, please refer to „Overview of the MP 10.3 Menu“ (see page 11).
  • Page 10 - Press the control to access the second level (function) of the balance/ scale operating menu. - The previously set code number for the function (identified by „o“) will now be displayed. - To increase the digit displayed for the function, press the key.

  • Page 11: Overview Of The Mp 10.3 Menu

    SARTORIUS Portable and Gold Overview of the MP 10.3 Menu Weight Unit W1 (Initial unit) 1 - 1 Grams 1 - 2 Kilograms 1 - 3 Carats 1 - 4 Pounds 1 - 5 Ounces 1 - 6 Troy ounces...
  • Page 12 Ambient Conditions 4 - 1 ¹) very stable 4 - 2 ²) stable 4 - 3 unstable Stability Range 5 - 1 ¼ digit 5 - 2 ½ digit 5 - 3 1 digit 5 - 4 2 digits 5 - 5 4 digits 5 - 6 8 digits 5 - 7 16 digits 5 - 8 32 digits...

  • Page 13: Description Of The Functions

    SARTORIUS Portable and Gold Description of the Functions Operating Principle Balances/scales of the model series PT...-000V1 and GT...-G00V1 feature a weighing system that consists of a spring body with four strain gauges glued to the body. These strain gauges constitute a Wheatstone bridge which is supplied with a reference voltage of + 5 V.

  • Page 14: Adjusting The Balance/Scale

    Adjusting the Balance/Scale Before you begin the adjustment procedure, let the balance/scale warm up for at least 30 minutes, and run a function test. Important Note: The number(s) written next to the components, e.g., main PCB (118), refer to the exploded-view diagram on page 4. Adjustment Sequence Adjust the overload stops Adjust the zero point offset value...

  • Page 15: Accessing The Gross Value Mode

    SARTORIUS Portable and Gold Accessing the Gross Value Mode For some adjustments, it is necessary to switch to the gross value mode. When the balance/scale is in this mode, the uncalculated A/D converter value (gross value) is indicated in the display.

  • Page 16: Adjustment Of Overload Stop

    Adjusting the Overload Stop Checking the Overload Stop - Open the balance/scale housing (see page 14). - Place the weighing pan (101) and, if applicable, the pan support (103) on the balance/scale. - Center the maximum load (e.g., PT6-000V1: 6 100 g) on the weighing pan;...

  • Page 17: Zero Point Offset Value

    SARTORIUS Portable and Gold Zero Point Offset Value It is necessary to adjust the zero point offset value to adapt the bridge voltage of the strain gauge system to the operating range of the electronic components in the balance/scale. This may be necessary if: - „L“...

  • Page 18: Adjusting The Zero Point Offset Value

    Adjusting the Zero Point Offset Value - Open the balance/scale housing (see page 14). - Locate the position of balancing resistors R130 and R131 on the main PCB (118) (see „Overview of the Test Points“ on page 31). - Desolder balancing resistors R130 and R131. - Connect a resistor decade box to the main PCB (118) in place f resistor R130.

  • Page 19: Adjusting The Off-Center Load

    However, you can acquire this by attending our respective intensive service training course covering this topic. For more information, please contact SARTORIUS AG in Goettingen, Germany, or the SARTORIUS Training Center directly. Linearity Adjustment Procedure...

  • Page 20: Adjusting The Linearity

    Linearity Data Balance/Scale Type Weighing Capacity Linearity PT120 - 000V1 120 g <=± 0,01 g PT120 - 000V103 120 g <=± 0,01 g PT210 - 000V1 200 g <=± 0,01 g PT600 - 000V1 600 g <=± 0,1 g PT1200 - 000V1 1200 g <=±...
  • Page 21 SARTORIUS Portable and Gold - Unload the balance/scale and tare. - Place the entire load (calibration weight value) on the balance/scale, and write down the value displayed. - Unload the balance/scale and tare. - Place one half of the load (½ calibration weight value), and write down the value displayed.
  • Page 22 Table of Balancing Resistors Balancing Balancing Resistor Balancing Resistor Resistor Linearity Linearity Linearity Error Error Error PT 210 PT 610 PT 2100 PT120 GT 1000 PT 1200 PT 6 GT 210 GT 610 GT 2100 + 0,005 g 4,7 MOhm 13 MOhm + 0,05 g 1,2 MOhm...

  • Page 23: Calibrating The Balance/Scale

    1. Calibrating in the Weighing Mode In this mode, calibration is performed in the same manner as for other SARTORIUS balances and scales. PT...- 000V1 balances and GT...- G00V1 scales accept only calibration weights that are within a tolerance range of 2% of the calibration weight value.

  • Page 24: Calibrating The Balance/Scale In The Gross Value Mode

    - Center the required weight on the weighing pan (101). - If the balance/scale accepts the weight, the „+“ sign displayed will go out. The „+“ and „–“ signs indicate that: „ + “ - the calibration weight loaded is too light „...
  • Page 25 SARTORIUS Portable and Gold - The calibration weight value will be indicated in the display without a „+“ or „–“ sign or a weight unit symbol. - Center the required weight on the weighing pan (101). - Shortly thereafter, the IC107 microprocessor will accept the calibration weight value, and the „+“...

  • Page 26: Repairing The Balance/Scale

    PCB (118) is equipped mainly with SMD components (Surface Mounted Devices). The SMD components cannot be exchanged without the use of special tools. As a convenient service to you, SARTORIUS will exchange any defective PCBs for an economical price.

  • Page 27: Exchanging The Weighing System

    SARTORIUS Portable and Gold - For removing the main PCB (118) from the circuit board retainer (116), pull it forward somewhat while simultaneously lifting the front slightly. - The main PCB (118) can then be removed from the receptacle (115).
  • Page 28 - Hold the strain gauge system (106) with one hand, and rotate the two system fastening screws (106.C) and remove them from the housing base (115). - Remove the old strain gauge system (106) from the housing base (115). - Place the new strain gauge system (106 in the housing base (115) and fasten it loosely with the screws.
  • Page 29 SARTORIUS Portable and Gold - Insert the membrane-covered keypad (120.A) into plug-in position Bu.8, the strain gauge system connecting cable (106.B) into position St.1 of the main circuit board (118). - Now perform a complete adjustment of the balance/scale: Adjust the overload stops (see page 16)

  • Page 30: Table Of Test Points

    Table of Test Points Pos. Test Point Instrument Meas. Range / Setting Readout Input voltage Digital voltmeter 200 V DC approx. + 18 V ... + 25 V Supply voltage Digital voltmeter 20 V DC approx. + 5 V Supply voltage Digital voltmeter 20 V DC approx.

  • Page 31: Overview Of The Test Points

    SARTORIUS Portable and Gold Overview of the Test Points ⊥...

  • Page 32: Data Interface Ydo 01 Pt

    Data Interface YDO 01 PT Installing the Data Interface - Disconnect the balance/scale from the power source. - Open the balance/scale (see page 14). - Remove the two screws (108.B) located on the rear panel of the balance/ scale and remove the plate (108). - Install the data interface (108) and fasten with the two screws (108.B).

  • Page 33: Data Output Format

    SARTORIUS Portable and Gold Data Output Format – 1st character Plus or minus sign or space 2nd to 4th characters Space 5th to 10th characters Digit, space or decimal point 11th character Space 12th to 14th characters Letter or space...
  • Page 34 Pin Assignment Interface Connector Bu.10 Description Direction Pin 1 Protective Ground Pin 2 Data Output (TxD) Output Pin 3 Data Input (RxD) Input Pin 4 Not Connected Pin 5 Clear to Send (CTS) Input Pin 6 Not Connected Pin 7 Internal Ground Pin 8 Internal Ground...

  • Page 35: Installation Of The Rechargeable Battery Pack Yrb 01 Pt

    SARTORIUS Portable and Gold Installing the Rechargeable Battery Pack YRB 01 PT - Disconnect the balance/scale from AC power. - Turn the balance/scale over and place it with the pan side facing downward on a padded surface. - Remove the screw (113.A) and remove the battery cover plate (113) from the housing base (115).
  • Page 36 - Replace the battery cover plate (113) on the housing base (115), and fasten it by tightening the screw (113.A). - Restore the balance/scale to the upright position. - The balance/scale is now ready to operate. Important Note After the battery has been installed, the balance/scale should remain plugged into a wall outlet for about 5 hours in order to recharge the battery.
  • Page 37 SARTORIUS Portable and Gold...
  • Page 40 Sartorius AG 37070 Goettingen, Germany Weender Landstraße 94–108, 37075 Goettingen, Germany (0551) 308-0, (0551) 308-289 Specifications subject to change without notice. Printed in Germany on paper that has been bleached without any use of chlorine · M Publication No.: WPT5002-e94081...

This manual is also suitable for:

Gold seriesPortable pt 120-000v1Portable pt 120-000v103Portable pt 210-000v1Portable pt 600-000v1Portable pt 1200-000v1 ... Show all

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