AND BM Series Instruction Manual
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AND BM Series Instruction Manual

Pipette accuracy tester kit for the
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Pipette Accuracy Tester Kit
for the BM series
BM-014
INSTRUCTION MANUAL
1WMPD4002534

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  • Page 1 Pipette Accuracy Tester Kit for the BM series BM-014 INSTRUCTION MANUAL 1WMPD4002534...

  • Page 2: Table Of Contents

    CONTENTS 1. INTRODUCTION ..........................2 1-1 Unpacking the Tester ........................2 1-2 Description of Each Component ....................3 1-3 WinCT-Pipette, Software for Pipette Accuracy Testing ............... 4 1-4 Function of the Evaporation Trap ....................5 1-5 Description of the 5 mL Sample Cup................... 5 2.

  • Page 3: Introduction

    ISO 8655. This manual describes how the Pipette Accuracy Tester Kit works and how to get the most out of it in terms of performance. It includes how to assemble the tester, how to measure and how to use the software, WinCT-Pipette, for pipette accuracy testing.

  • Page 4: Description Of Each Component

    A container to keep a test liquid such as distilled water.  Thermometer (with a clamp) Measures the temperature of the test liquid.  RS-232C cable and USB converter Connects to a PC (personal computer) to transmit the test values to the PC.

  • Page 5: Winct-Pipette, Software For Pipette Accuracy Testing

    PC. Using the temperature of the test liquid and the barometric pressure that are previously entered, the PC calculates the conversion factor (Z factor) from a mass value to a volumetric value and converts the mass value into a volumetric value automatically, using the Z factor.

  • Page 6: Function Of The Evaporation Trap

    As shown in the illustration below, a water-absorbent sheet is rolled into a cylinder and is placed along the inner wall of the sample cup.

  • Page 7: Assembling The Tester

    Rotate the plate on the axis of the back edge. Rotate the plate on the axis of the front edge. Remove the plate from the chamber. Separation plate Hook Remove the weighing pan and so on (refer to the figure below) from the BM balance. ＢＭ－２００ ＢＭ－３００ ＢＭ－２５２ ､...
  • Page 8 Assembling the tester 1 Install the center positioning boss and evaporation trap base on the BM balance. 2 Install the sample cup holder on the center positioning boss.. In the case of the BM-252/500/300/200, install the balance weight on the sample cup holder for the BM balance.

  • Page 9: Precautions Before Use

    Install the balance where the measurement environment is appropriate. The best operating temperature is 15°C to 30°C ±0.5°C with greater than 50% RH. Install the balance where it is not exposed to direct sunlight and it is not affected by air from heaters or air conditioners.

  • Page 10: Anti-Static Treatment

    If the evaporation trap has acquired a static charge, we recommend that you apply an anti-static agent or use the built-in static eliminator of the BM series to remove the static electricity. 5. INSTALLING WinCT-Pipette For detailed information on the WinCT-Pipette program, refer to “How to use WinCT-Pipette.pdf ”...

  • Page 11: Connecting A Pc To The Balance

    6. CONNECTING A PC TO THE BALANCE To make a connection between a PC and the balance, use the RS-232C cable or use both the RS-232C cable and the USB converter. 6-1 Connecting a PC When a PC COM port is used When using the COM port of a PC to make a connection to the balance, use the accessory RS-232C cable.

  • Page 12: Checking Com Port Numbers

    The COM port for a personal computer is displayed as “Communications Port (COMx)”. In the example below, the personal computer has two COM ports. Therefore, two COM ports appear; “Communications Port (COM1)” and “Communications Port (COM2)” Change the WinCT-Pipette COM port number to that of the COM port used.

  • Page 13: Calibrating The Balance

    For details on calibration, read the balance instruction manual in addition to this manual. Before calibration, refer to “3. PRECAUTIONS BEFORE USE”. Because the BM series has an especially high weighing sensitivity, make sure that the installation environment is appropriate and the balance is warmed up for the appropriate duration.

  • Page 14: Preparation Before Use

    Attach the upper part of the evaporation trap to the lower part and place the evaporation trap on the balance or weighing unit. It takes approximately 15 minutes for the humidity inside the evaporation trap to stabilize to about 85% RH.

  • Page 15: Using The Thermometer

    Before use One LR-44 battery is provided with the thermometer. It is for testing the performance of the thermometer and may have a limited life. Before use, install the battery as described in “Replacing the battery” below. Replacing the battery When the LCD becomes blurred, replace the battery as follows.
  • Page 16 3. Insert the sensor sheath into the water. Water 4. The sampling interval is 10 seconds. To speed this process, press and hold the ON/FAST button for a sampling interval of every 2 seconds. 5. As the thermometer responds to the water...
  • Page 17 Recalling the maximum and minimum temperatures stored in memory With the current temperature displayed, Current temperature each pressing of the MAX/MIX button displays the maximum and minimum temperatures in Press MAX/MIN turn. Maximum temperature Press MAX/MIN check maximum minimum temperature during measurement, reset the Minimum temperature values in memory before measurement.
  • Page 18 : 0°C to 50°C, 75% RH or less, non-condensing : 2.80, approx. 110 mm Sensor sheath dimensions Dimensions/mass : 176 x 40 x 16 mm, approx. 25 g (including the battery and sheath protector) Standard accessory : Sheath protector, battery...

  • Page 19: Measurement

    Be sure to use the evaporation trap. Using the evaporation trap, evaporation of the test liquid can be reduced to 0.05 mg per minute (0.05 L per minute).  Use the display lock function of the BM series. For details, refer to “10-1 Display Lock Function”. Water temperature and barometric pressure Correctness of the Z factor, that is used to convert a mass value to a volumetric value, depends on the density by the water temperature.
  • Page 20 Vibration yields unstable measurement values. To reduce errors caused by vibration Install the balance in a stable place avoiding vibration and shock. Use a solid weighing table that is free from vibration. If the installation site is the second floor or higher, use the anti-vibration table.

  • Page 21: Function Setting Of The Balance

    10. FUNCTION SETTING OF THE BALANCE 10-1 Display Lock Function To use this function, set “Display lock function ( ploc )” to “ON ( 1 )”. Why use this function This function is used to compensate time-elapsed errors caused by evaporation. Even when the evaporation trap is used, an evaporation of 0.05 mg per minute (0.05 L per minute) will occur.

  • Page 22: Troubleshooting

     We recommend that you use the anti-vibration table to avoid vibration.  We recommend that you use the built-in static eliminator of the BM series if the cause of the unstable values may be due to static charges.

  • Page 23: Options

    12. OPTIONS Name and components Model 5-mL sample cup (with a water-absorbent sheet installed) 5-mL sample cup 5 pcs. Lid for 5-mL sample cup 5 pcs AX-PT-01 Water-absorbent sheet for 5-mL sample cup 5 pcs (The sheet is installed in the cup before shipping.)

  • Page 24: Appendix

    When the pipette volume range is 500 L or more, use the AD-4212A-PT or AD-4212B-PT Because the provided sample cup of the pipette accuracy tester kit for BM series has a volume of 5 mL, it is impossible to perform the series of ten measurements per volume that are recommended by ISO 8655 when the pipette nominal volume is 500 mL or more.
  • Page 25 MEMO...
  • Page 26 A&D Company, Limited. The contents of this manual and the specifications of the instrument covered by this manual are subject to change for improvement without notice.

This manual is also suitable for:

Bm-014

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