Owner's manual
Table Of Contents
- Table of contents
- Table of figures
- 1 Introduction
- 2 Overview of the instrument
- 3 Installation
- 4 Operation
- 4.1 Fundamentals of operation
- 4.2 Instrument and Program Settings
- 4.3 Program information
- 4.4 Calibration functions
- 4.5 Methods
- 4.6 Determinations
- 4.6.1 Preparing samples
- 4.6.2 Preparing the instrument and the accessories
- 4.6.3 Preparing the determination
- 4.6.4 Starting the determination
- 4.6.5 Cleaning the instrument and accessories
- 4.6.6 Adjusting the method parameters during the determination
- 4.6.7 Stopping the determination manually
- 4.6.8 Status of the live curve
- 4.7 Results
- 4.8 GLP functions
- 5 Handling and maintenance
- 6 Troubleshooting
- 7 Technical specifications
- 8 Conformity and warranty
- 9 Accessories
- Index

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1 Introduction
743 Rancimat
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5
Flammable substances
Warning
The oven of the 743 Rancimat can be heated to 220 °C.
Flammable substances may ignite at these temperatures.
Adjust the maximum heating temperature of the oven to the sample
being examined.
Defective glass vessels
Warning
Caution with defective glass vessels.
An overflow of flammable samples into the heating block can be dan-
gerous.
Check the glass vessels before each use.
1.4.2 Electrical safety
The electrical safety when working with the instrument is ensured as part
of the regulations IEC 1010-1 (protection class 1, degree of protection
IP20).
Warning
Only personnel qualified by Metrohm are authorized to carry out service
work on electronic components.
Warning
Never open the housing of the instrument. The instrument could be
damaged by this. There is also a risk of serious injury if live components
are touched.
There are no parts inside the housing which can be serviced or replaced
by the user.