OHAUS MB90 Instruction Manual
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OHAUS MB90 Instruction Manual

Moisture
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Instruction Manual
MB90 Moisture Analyzer
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com

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  • Page 1 Instruction Manual MB90 Moisture Analyzer 99 Washington Street Melrose, MA 02176 Phone 781-665-1400 Toll Free 1-800-517-8431 Visit us at www.TestEquipmentDepot.com...

  • Page 3: Table Of Contents

    MB90 EN-1 Table of Contents GETTING TO KNOW YOUR MOISTURE ANALYZER ..............4 Introduction ..........................4 Overview of the Moisture Analyzer ..................4 What is a Moisture Analyzer? ....................4 SAFETY INFORMATION ......................... 5 2.1 Definition of Signal Warnings and Symbols .................. 5 2.2 Product Specific Safety Notes .......................
  • Page 4 EN-2 MB90 Entering Method Name ......................33 Setting the Drying Profile ....................... 34 Setting the Drying Temperature ..................... 34 Selecting the switch-off criterion .................... 35 Displayed result ........................35 Target Weight ........................36 Starting Mode ......................... 37 Default method ........................37 7.10...
  • Page 5 MB90 EN-3 Overview of Controls Turns On or Off display and fan. When pressed, sends Print command. When pressed, either starts or stops the drying process. When pressed, performs Tare function. Leveling indicator Leveling Feet Used to level the Moisture Analyzer.

  • Page 6: Getting To Know Your Moisture Analyzer

    GETTING TO KNOW YOUR MOISTURE ANALYZER This section provides you with essential information on your MB90 Moisture Analyzer. Please read through the section carefully even if you have previous experience with OHAUS Moisture Analyzers and be sure to familiarize yourself with the safety notes.

  • Page 7: Safety Information

    Your Moisture Analyzer conforms with all common standards and directives. It supports standard procedures, work techniques and records as required by GLP (Good Laboratory Practices) and SOP (Standard Operating Procedure). We recommend the use of the OHAUS SF40A Printer. SAFETY INFORMATION 2.1 Definition of Signal Warnings and Symbols Safety notes are marked with signal words and warning symbols.

  • Page 8: Product Specific Safety Notes

    Your Moisture Analyzer is used for determining the moisture in samples. Use the instrument exclusively for this purpose. Any other type of use and operation beyond the limits of technical specifications without written consent from OHAUS, is considered as not intended. Moisture determination applications must be optimized and validated by the user according to local regulations.
  • Page 9 MB90 EN-7 CAUTION The Halogen Moisture Analyzer works with heat! a) Ensure sufficient free space around the instrument to avoid heat accumulation and overheating (approx. 1 m free space above the heating module). b) The vent over the sample must never be covered, plugged, taped over or tampered with in any other way.

  • Page 10: Installation

    Quick Guide Remove packing material from the instrument. Check the instrument for transport damage. Immediately inform your Ohaus dealer if you have complaints or parts are missing. Store all parts of the packaging. This packaging guarantees the best possible protection for the transport of your instrument.

  • Page 11: Installing The Tray Pan, Draft Shield And Pan Support

    MB90 EN-9 Installing the Tray Pan, Draft Shield and Pan Support Lift the cover straight up and Install the tray pan in the base of the heating chamber. Install the draft shield (only one position possible) on top of the tray pan.

  • Page 12: Connecting To A Power Supply

    Check to ensure the voltage stated on the Moisture Analyzer’s data label matches your local line voltage. If this is not the case, do not connect the Moisture Analyzer to the power supply, contact your responsible OHAUS dealer. The halogen dryer unit is designed to operate at a specific line voltage (90V AC or 240V AC).

  • Page 13: Switching The Moisture Analyzer On And Off

    MB90 EN-11 Switching the Moisture Analyzer on and off Your Moisture Analyzer is on at all times when connected to a power source. The display can be turned on or off. To switch the Moisture Analyzer on, press the On/Off button. An internal diagnostic test is performed;...
  • Page 14 EN-12 MB90 Open the cover on the Moisture Analyzer. Wet the glass fiber pan with a 0.5 to 1 gram of water. Attention: Minimum sample size must be greater than 0.5 gram. Starting the test Close the cover, the Moisture Analyzer starts the drying and measurement process automatically.

  • Page 15: Mb90 En-

    MB90 EN-13 The analyzer comes with a default method preinstalled. The settings of the default method are shown on the display. To edit the settings, press on the area where the settings are displayed as shown to the left. Press the setting items to edit them.

  • Page 16: Menu

    EN-14 MB90 MENU The Home screen appears after the moisture analyzer has been switched on. Button area Current Method Results area Instructions area Date and time area 1. Method library: Change parameters and create new method. 2. Test results: Manage test results.

  • Page 17: Setup

    MB90 EN-15 Setup Press the Setup button to access the Setup menu. Help Information Press the Help button to access the Help menu. SETUP The setup menu is activated by pressing the Setup button. The menu contains: lock out, weight and temperature calibration, user settings, device settings, system and data management.

  • Page 18: Calibration

    EN-16 MB90 Press Lock out to access the lock out menu. Press Lock to lock out Press Unlock to release. Calibration 6.2.1 Weight calibration The Moisture Analyzer can be calibrated with an external mass of 50 grams. Calibration of the Moisture Analyzer is not absolutely necessary for a correct moisture determination as the measurement is relative.

  • Page 19: Temperature Calibration

    MB90 EN-17 Press the Calibration button to access calibration menu. Press Back to return to previous step. Press the Weight adjustment-external button The display highlights the action you should take. Follow the instructions on the display. Remove the sample pan. Place the required weight on the sample pan, close the cover.
  • Page 20 EN-18 MB90 Press Calibration button. Press Back to return to previous screen. Press Exit to return to Home screen. Press Temperature calibration button. You are now prompted to remove the pan support. Place a temperature calibration unit and close the upper housing.

  • Page 21: Temperature Calibration Record

    MB90 EN-19 CAUTION: Danger of burns. Be careful when removing the temperature calibration unit from the dryer unit as it can be very hot. Allow it to cool down by opening the cover before removing. Remove the calibration unit. Replace the pan support in its proper positions.

  • Page 22: User Settings

    EN-20 MB90 Press Weight and temperature calibration button to access the calibration screen. Press Back to return to previous screen. Press Exit to return to Home screen. Press the Temperature calibration history button. Here you will find the last temperature calibration result.

  • Page 23: Brightness

    MB90 EN-21 Select LANGUAGE. Note: If you select English as the dialog language, the date format is changed and appears on all records in the MM/DD/YYYY format. 6.3.2 Brightness Press Setup button to access the Setup menu. Press Back to return to Home screen.

  • Page 24: Sound

    EN-22 MB90 6.3.3 Sound Press Setup button to access the Setup menu. Press Back to return to previous screen. Press User settings button to access the User settings menu. Press Back to return to previous screen. Press Exit to return to Home screen.
  • Page 25 MB90 EN-23 Press Back to return to previous screen. Press Device settings to access the Device settings menu. Press Back to return to previous screen. Press Exit to return to Home screen. Press the Date-Time button. Press the follow items to set the date and time.

  • Page 26: Peripherals

    EN-24 MB90 Set time. Press +and – to set correct time. 6.4.2 Peripherals This Moisture Analyzer is equipped with USB and RS232 compatible interfaces for communication with USB storage devices, printers and computers. The following sections describe the hardware and software provided with the Moisture Analyzer.

  • Page 27: Print

    MB90 EN-25 Setting Baud rate Select the desired baud rates of 1200, 2400, 4800, 9600, 19200, 38400, 57600 and 115200. Default setting is 9600 Baud. Setting Data bits Select the desired data bits of 7 or 8. Default setting is 8.

  • Page 28: Glp And Gmp Data

    EN-26 MB90 Press Device settings button. Press Back to return to previous screen. Press Exit to return to Home screen. Press Print settings button to access the Print settings menu. Press Print calibration result automatically to switch ON or OFF.
  • Page 29 MB90 EN-27 Press GLP and GMP Data to access the GLP and GMP Data menu. Press Back to return to previous screen. Press Exit to return to Home screen. Press Company name, Department or Instrument ID buttons to define related information.

  • Page 30: System And Data Management

    EN-28 MB90 When the adjustment complete, press OK to exit. System and data management 6.5.1 Export and import settings and methods Press Setup button to access Setup menu. Press Back to return to Home screen. Press System and data management button to access the System and data management menu.
  • Page 31 MB90 EN-29 Press the items to select. Press Cancel to cancel data export. Press OK to confirm and back to previous step. After selecting the location, Export button is available. Press Cancel to cancel data export. Press Export to execute.
  • Page 32 EN-30 MB90 6.5.2 Backup and restore Press Backup and restore to backup or restore the system settings. 6.5.2.1 Backup system Press Backup system on USB flash drive to back up system. Press Back to previous step. Press Back to return to previous step.
  • Page 33 MB90 EN-31 After select the restore file, the Restore button is available. Press Cancel the restore. Press Restore to execute. 6.5.3 Export event logs Press Export event logs to access the export event logs menu. Press File name to change file name.
  • Page 34 EN-32 MB90 After factory reset, press OK to restart instrument. 6.5.5 Software update Press Software update to access the update the software. Press update from file to select file to update. Press Cancel to return to previous screen. After select the update file, the Update button is available.

  • Page 35: Method Library

    MB90 EN-33 METHOD LIBRARY This section contains information on the use of the Method Library which will enable you to set the actual drying parameters such as Profile, Switch-Off, Display, Target Weight and the use of the library. The Operating Concept You have already set the Moisture Analyzer setup in Section 6 and have tried the simple moisture determination in Section 4.

  • Page 36: Setting The Drying Profile

    EN-34 MB90 Enter either a method name or identifying number and press the OK button. Setting the Drying Profile The drying profile contains two settings, Standard and Fast. This section describes each of the drying profiles. Review the profile descriptions. Depending upon the sample material to be analyzed, select the appropriate profile and proceed as follows: Press the Drying profile button.

  • Page 37: Selecting The Switch-Off Criterion

    MB90 EN-35 Selecting the switch-off criterion This menu offers you different switch-off criterion. Switch-off criterion defines when the instrument should end the drying. Switch-off criterion eliminates checking your watch or clock and stopping the drying manually. Review the list below and select one criterion that suits your purpose.

  • Page 38: Target Weight

    EN-36 MB90 %MC(Moisture Content) = Initial weight-Final weight x 100% Initial weight %DC(Solids Content) = Final weight x100% Initial weight %RG(Regain Content) = Initial weight-Final weight x 100% Final weight Target Weight Target weight is used when previous samples have been tested and the target weight is known. A consistent sample size is required when using Target Weight.

  • Page 39: Starting Mode

    MB90 EN-37 The check weighing bar indicates the sample weight. Starting Mode In this menu you can define if the instrument should perform certain functions automatically or manually. Press the Starting mode button. Automatic This mode can be used for most kinds of samples.

  • Page 40: Method Export And Import

    EN-38 MB90 After change the settings, the Save button available. Press Save to save to default method. 7.10 Method export and import. Press Export to export methods. Press File name to change export file name. Press Location to select the export location.

  • Page 41: Results

    MB90 EN-39 Press Import to import methods. Press Import from file to select the file to import. Press Cancel to previous screen. After select the import file, the Import button is available. Press Location to change the import location. Press Import selection to select methods to import.
  • Page 42 EN-40 MB90 Press Back to previous step. Press Delete to delete current result. Press Export to export current result. Press Curve to show result curve. Press Back to results list. Press Delete to delete current result. Press Export to export current result.
  • Page 43 MB90 EN-41 8.1.3 Result export Press Export to export all the results. Press File name prefix to edit file name. Press Location to select export location. Press Export selection to select export results. Press Cancel to previous step. After select the export location, the Export button is available.

  • Page 44: Help Information

    EN-42 MB90 Press File name to edit file name. Press Location to select export location. Press Cancel to previous step. After select the export location, the Export button is available. Press Cancel to previous step. Press Export to the export result.
  • Page 45 MB90 EN-43 Weight calibration printout Temperature calibration printout WEIGHT ADJUST EXTERNAL TEMPERATURE ADJUSTMENT 1.Jan 2016 11:20 1.Jan.2016 11:25 Halogen Moisture Analyzer Halogen Moisture Analyzer Type MB90 Type MB90 SNR(Drying Unit) 1234567 SNR(Drying Unit) 1234567 SNR(Terminal) SNR(Terminal) Weight ID Temp Kit ID...

  • Page 46: Rs232 Command Table

    Signature: ………………………………… 1.Jan.15 15:35 ---------------END---------------- Attention: When printing data to an OHAUS SF40A printer, please disable the printer setting “Balance Feature” first. 10.1 RS232 Command Table Output Formats Data output can be initiated in one of two ways: 1. By pressing the Print button;...

  • Page 47: Rs232 Pin Out

    MB90 EN-45 10.2 RS232 Pin out The following table illustrates the pin-out connections on the RS232 connector. <– Date Out (TXD) –> Date Out (RXD) 4&6 Ground –> Clear to send (CTS) <– Request to send (RTS) Attention: The RS232 port (COM 1) is located near the...

  • Page 48: Care And Maintenance

    EN-46 MB90 11. CARE AND MAINTENANCE In this section, you will learn how to keep your Moisture Analyzer in good condition and how to replace consumable parts. 11.1 Cleaning Interior/Exterior Components To continue to obtain precise measurements, it is advisable to clean the interior components at regular intervals.
  • Page 49 MB90 EN-47 Removing Glass for Cleaning If the inside of the glass is dirty, lift up the heating chamber, release the glass for cleaning by pressing both sides of the glass holder. Attention: Caution when releasing the glass from the glass holder.

  • Page 50: Replacing Power Line Fuse

    EN-48 MB90 11.2 Replacing Power Line Fuse If the instrument display fails to light after switching it on, check the power outlet first. If power is available, and the instrument fails to operate, the power fuse may be open (blown).

  • Page 51: Error Detection

    For safe operation, the instrument is equipped with a duplicate overheating protection device: The dryer unit has a thermal overload protection device which switches off the heating element. Contact your OHAUS dealer. Problem: The measurements are not repeatable. Probable causes: —...

  • Page 52: Service Information

    If the Troubleshooting section does not resolve or describe your problem, you will need to contact an authorized Ohaus Service Agent. For Service assistance in the United States, please call Aftermarket, Ohaus Corporation. An Ohaus Product Service Specialist will be available to help you.

  • Page 53: Specifications

    MB90 EN-51 12.2 Specifications Model MB90 Capacity Readability 0.01%/0.001g 0.18% (3g sample) Repeatability (Std Dev) (g) 0.02% (10g sample) 0.01% to 100% Moisture range (0.01% to 1000% for regain mode) Heating Element Halogen Drying Programs Standard, Fast Temp range 40°C - 200°C...
  • Page 54 This Class A digital apparatus complies with Canadian ICES-003. ISO 9001 Registration In 1994, Ohaus Corporation, USA, was awarded a certificate of registration to ISO 9001 by Bureau Veritus Quality International (BVQI), confirming that the Ohaus quality management system is compliant with the ISO 9001 standard’s requirements. On May 21, 2009, Ohaus Corporation, USA, was re-registered to the ISO 9001:2008 standard.

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