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OHAUS MB45 User Manual

OHAUS MB45
72 pages
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Instruction Manual
MB45 Moisture Analyzer
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MB45

Table of Contents

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OHAUS MB45 Specifications

General IconGeneral
Maximum Capacity45 g
Readability0.001 g / 0.01%
Heating TechnologyHalogen
Pan Size90 mm
Temperature Increments1°C
CalibrationExternal calibration
Operating Temperature Range10°C to 40°C
InterfaceRS232
Temperature Range50°C to 200°C
DisplayLCD
Moisture Range0% to 100%
Repeatability (Std. Dev.)0.015% (10g sample)
Power50/60 Hz

Summary

Declaration of Conformity

Balance Model and Compliance Details

Details the MB45 model, EC directives, additional standards, and ISO 9001 certification.

Getting to Know Your Moisture Analyzer

Introduction and Overview

Introduces the MB45 Moisture Analyzer and its features.

What is a Moisture Analyzer?

Explains the thermogravimetric principle of operation.

Safety Precautions

Essential safety guidelines for operation, including heat and hazardous substance handling.

Understanding Manual Instructions

Explains manual structure and graphic symbols for guidance.

Overview of Controls

Front Panel Control Functions

Details the function of each button and indicator on the analyzer's front panel.

Installation Guide

Unpacking and Equipment Check

Instructions for unpacking and verifying all accessories are present.

Site Selection Criteria

Guidance on choosing an appropriate location, avoiding environmental factors.

Installing Shields and Pan Support

Steps for installing heat shield, draft shield, and pan support.

Leveling and Power Connection

Procedures for leveling the instrument and connecting to a power supply.

Switching Analyzer On and Off

Instructions on switching the analyzer on/off and warm-up procedures.

Making a Simple Measurement

Initial Measurement Procedure

Step-by-step guide for performing an initial measurement using factory defaults.

Observing Test Progress

How to view and interpret displays showing drying and measurement progress.

Understanding the Menus

Menu Structure Overview

Describes the Setup and Test menus and their primary functions.

Menu Operation Guide

Explains navigation, option selection, and data entry using analyzer buttons.

Analyzer Setup Configuration

Lockout Function

Enables lockout to prevent accidental changes to analyzer settings.

Weight Calibration

Procedure for calibrating the balance using a 20-gram mass.

Temperature Calibration

Steps for calibrating dryer unit temperature at two points.

Language and Beeper Settings

Select display language and adjust audible signal level.

Time and Date Configuration

Setting the instrument's current time, date, and format.

RS232 Settings

Configuring baud rate, parity, data bits, stop bits, and handshake for RS232.

Print and GLP Settings

Enabling print output and Good Laboratory Practice (GLP) data formatting.

Display Adjustment

Adjusting contrast and brightness levels of the analyzer's display.

Factory Reset

Procedure for resetting the analyzer to its original factory default settings.

Operating Your Moisture Analyzer

Operating Concept

Explains fundamental principles of operating the analyzer for precise measurements.

Entering Test ID

Assigning a unique identifier (Test ID) to a measurement for tracking.

Setting Drying Parameters

Configuring drying profile, temperature, switch-off criteria, and result display.

Target Weight and Print Interval

Setting sample weight and print frequency for automatic data printing.

Managing Test Setups

Saving, exiting, running tests, and displaying run data and statistics.

Using the Library

Library Overview and Functions

Describes library capacity and how to store, recall, and edit tests.

Editing and Deleting Stored Tests

Procedures for modifying or removing tests from the library.

Obtaining Best Results

Measurement Principle and Sample Prep

Explains thermogravimetric method and crucial sample preparation factors.

Selecting Drying Parameters

Guidance on selecting optimal drying temperature, programs, time, and switch-off criteria.

Analyzing Drying Profiles

Interpreting drying curves and optimizing results based on decomposition and asymptotic profiles.

Printing Test Data

Printout Examples and RS232 Interface

Examples of printouts and RS232 commands/pinout for data output.

Care and Maintenance

Cleaning Components

Instructions for cleaning instrument components, including sensor and glass.

Fuse Replacement and Troubleshooting

Procedure for replacing a fuse and diagnosing common operational problems.

Error Detection, Service, and Accessories

Understanding error signals, contacting service, and listing optional accessories.

Instrument Specifications

Technical specifications including capacity, readability, dimensions, and operating conditions.

Application Examples

Sample Application Table and Comments

Recommended settings for various sample types and related preparation/drying notes.

Limited Warranty

Warranty Terms and Conditions

Details warranty coverage, exclusions, and procedures for repair or replacement.

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