Ohaus MB45 MOISTURE ANALYZER Manual User Manual

Instruction Manual MB45 Moisture Analyzer

8 MB45 1.4 Safety is first (Cont.) Certain samples require special care! With certain types of samples, there is a possibility of danger to pers

MB45 9 1.5 What you should know about these instructions These instructions guide you step by step through the operation of your Moisture Analyze

10 MB45 2. Installation In this section, you will learn how you unpack and install your new Moisture Analyzer and prepare it for operation. On compl

MB45 11 2.2 Selecting the Location The Moisture Analyzer should always be used in an environment which is free from excessive air currents, corro

12 MB45 2.4 Leveling the Moisture Analyzer Exact horizontal positioning and stable installation are prerequisites for repeatable results. To compe

MB45 13 2.5 Connecting to a Power Supply (cont) Connect the power cord supplied to the three pin connector located at the rear of the Moisture

14 MB45 3. Making a simple measurement With your Moisture Analyzer powered on, you are ready to operate for the first time and perform a simple me

MB45 15 3. Making a simple measurement (cont) -DEFAULT-100°C / 10:001.000 G0.000* GRAMSTEST ID:TEMP/TIME:TARG. WGT:SAMPLE<.500G Wet the specime

16 MB45 Observing the test progress (cont) Press the Display button repeatedly to view the progress of the sample test with different displays. The

MB45 17 4. The menus 4.1 What are the menus? There are two sets of menus used in the Moisture Analyzer. One is the Setup menu which is activated

18 MB45 4.2 Menu operation In this section you will learn how to work with the menus. Information regarding the individual menu options and availabl

MB45 19 4.2 Menu operation (cont) How to enter alpha numeric data and make selections Certain menu options can have names or numerical entr

20 MB45 5. Analyzer Setup The Analyzer Setup menu is activated by pressing the Setup button. The menu contains: lockout, weight and temperature cal

MB45 21 5.2 Weight calibration The Moisture Analyzer can be span calibrated with an external mass of 20 grams. Calibration of the Moisture Analyze

22 MB45 5.3 Temperature Calibration You must have a temperature calibration kit to perform this procedure. If the Moisture Analyzer has been rece

MB45 23 5.4 Language setting For convienence, the Moisture Analyzer is equipped with five languages available on all displays. This procedure permi

24 MB45 5.6 Time and Date Setting Your Moisture Analyzer has a communication output which allows printing the time and date on every record. When

MB45 25 5.7 RS232 settings Your Moisture Analyzer is equipped with a bidirectional RS232 compatible interface for communication with printers and

26 MB45 5.7 RS232 settings (cont) RS2329600NONE81NONEBAUD RATE:PARITY:DATA BITS:STOP BITS:HANDSHAKE:EXIT WITHOUT SAVING Setting handshake Press th

MB45 27 5.8 Setting Print and GLP Printing On or Off This menu permits setting print data and GLP printing data on or off. To set the printing fun

MB45 1 Contents OVERVIEW OF CONTROLS...

28 MB45 5.9 Adjusting Display Contrast and Brightness This menu permits adjusting the contrast and brightness levels on the display screen. To cha

MB45 29 5.10 Factory reset BEEPERTIME-DATERS-232PRINTDISPLAYFACT.RESETANALYZER SETUP Factory reset Press the Setup button. Using the down arrow b

30 MB45 6. Operating Your Moisture Analyzer This section contains information on the use of the Test Menu which will enable you to set the actual

MB45 31 6.3 Setting the drying profile The drying profile contains four settings, Standard, Fast, Ramp and Step. Section 6, paragraph 6.4 describe

32 MB45 6.3 Setting the drying profile (cont) TEST PARAMETERSTEST ID:PROFILE:DRY TEMP:SWITCH OFF:RESULT:CUSTOM:-DEFAULT-STANDARD180CAUTO 60MOISTUR

MB45 33 6.3 Setting the drying profile (cont) RAMP PROFILE80 C100 C130 CSTEP 1:STEP 2:FINAL:EXIT WITHOUT SAVING5 MIN5 MIN For STEP 1, using the

34 MB45 6.5 Selecting the switch-off criterion This menu offers you different switch-off criterion. Switch-off criterion defines when the instrume

MB45 35 Auto switch-off The switch-off criterion is based on a weight loss per unit of time. As soon as the mean weight loss is less than a preset

36 MB45 Auto free switch-off (cont) Using the arrow buttons, scroll to MG, now enter the weight loss (1 mg to 10 mg). AUTO FREESWITCH OFF AT LES

MB45 37 6.7 Custom units Custom unit allows the creation of your own custom weighing unit. It permits entering a conversion factor which the Mois

2 MB45 Contents (continued) 6. OPERATING YOUR MOISTURE ANALYZER ...30 6.

38 MB45 6.8 Custom units (cont) TEST SETUPTEST ID:PROFILE:DRY TEMP:SWITCH OFF:RESULT:CUSTOM:CUSTOM1.00000 Custom unit With CUSTOM highlighted, pre

MB45 39 6.9 Target Weight Target weight is used when previous samples have been tested and the target weight is known. Target weight is a reminde

40 MB45 6.11 Saving Test Setup Saving test setup saves all of the test parameters you have entered for the sample undergoing measurement. You hav

MB45 41 6.12 Running the test setup Running the test setup takes all of the test parameters you have entered for the sample undergoing measuremen

42 MB45 Starting the test Press the Start/Stop button. The Moisture Analyzer starts the drying and measurement process. All of the settings made

MB45 43 6.13 Displaying data during run mode or after completion To display the various screens, press the Display button repeatedly. Press Dis

44 MB45 7. Using the Library The library holds up to 50 tests. Each test consists of a test name and various analyzer settings, which may be store

MB45 45 8. How to obtain the best results Following your first practical work with the Moisture Analyzer, in this section you will find important

46 MB45 8.2 Sampling and sample preparation Characteristics, preparation and size of the sample are all important contributing factors in increasi

MB45 47 8.2 Sampling and sample preparation (cont) Use of quartz sand To ensure an optimum drying process, samples should always have as large a

MB45 3 Contents (continued) 10. CARE AND MAINTENANCE ...

48 MB45 8.2 Sampling and sample Preparation (Cont). With readily volatile samples, rapid application of the sample on the sample pan is advisable,

MB45 49 Influence of the sample weight on the repeatability of the results Sample weight influences the repeatability of the Moisture Analyzer. Th

50 MB45 8.3 Selection of the drying temperature (cont) The following procedure is suggested for selecting the temperature. — Estimate moisture co

MB45 51 Ramp drying Ramp drying is selected if substances are not stable on exposure to the full heating power of the halogen radiator at the star

52 MB45 8.5 Selection of the drying time The Halogen Moisture Analyzer offers two different types of switch-off criteria. A switch-off criterion i

MB45 53 8.6 Analysis of the drying profile In the first type, the drying profile is asymptotic. The amount of moisture lost assumes a constant va

54 MB45 9. Printing Test Data Printing data to an external computer or printer requires the communication parameters be set first. Printing to an

MB45 55 Test data printout Statistics printout GLP ON, Interval at 30 seconds. Pressing Print will add additional lines to data. MOISTURE DETE

56 MB45 9.1 RS232 Command Table Output Formats Data output can be initiated in one of three ways: 1. By pressing the Print button; 2. Using the P

MB45 57 10. Care and Maintenance In this section, you will learn how to keep your Moisture Analyzer in good condition and how to replace expendab

4 MB45 Overview of Controls 1 2 3 4 5 6 7 8 9 10 11 1 Turns On or Off display and fan. On returns with last screen. (All modes) 2 When

58 MB45 10.1 Cleaning Interior/Exterior Components (cont) Cleaning Temperature Sensor and Protective Glass Check the protective glass and the te

MB45 59 10.2 Replacing Power Line Fuse If the instrument display fails to light after switching it on, check the power outlet first. If power is

60 MB45 10.4 Troubleshooting Problem: Display remains dark after switching ON. Probable causes: — No line voltage — Power cable not connect

MB45 61 10.5 Error detection The Moisture Analyzer utilizes an audio tone to indicate an error. A normal button press or entry results in a shor

62 MB45 11. Technical Data 11.1 Specifications Model MB45 Capacity 45g Readability 0.001g, 0.01% Results Moisture (%), dry content (%), Wt (g),

MB45 63 11.2 Compliance Compliance to the following standards is indicated by the corresponding mark on the product. Marking Standard This prod

64 MB45 A1. Application examples This appendix includes a table indicating problems specific to various substances and their possible solution. The

MB45 65 Comments on the table Wheat flour Direct weighing-in. No visible coloration due to decomposition. Dried vegetables Beans milled in grinde

66 MB45 LIMITED WARRANTY Ohaus products are warranted against defects in materials and workmanship from the date of delivery through the duration

MB45 5 1. Getting to know your Moisture Analyzer This section provides you with essential information on your MB45 Moisture Analyzer. Please read

Ohaus Corporation 7 Campus Drive Suite 310 Parsippany, NJ 07054 USA Tel: (973) 377-9000, Fax: (973) 944 -7177

6 MB45 1.3 What is a Moisture Analyzer? (cont.) Of particular importance in practice is the rate of heating. In comparison with conventional infra

MB45 7 1.4 Safety is first Your Moisture Analyzer employs state of the art technology and meets the latest demands regarding instrument safety. Im