1
Melting point B-540 Contents
Please read these instructions thoroughly
before using the Melting Point B-540 Unit.
The instructions should be kept near the unit
for general reference.
Chapter 2 contains important notes on safety
which must be observed if the Melting Point
Unit is to be operated safely.
Contents
en, Version L (48 pages) Order No.
B-540 Instructions 96626
1 Scope of delivery 2
2 Safety 4
3 Function 6
4 Putting into operation 7
5 Operation 9
5.1 Control, operating and display elements 9
5.2 Operating setup of the menus 10
5.3 Definition of concepts on displays 10
5.4 Preparation of samples 12
5.5 Determination of a melting point 12
5.5.1 Determination of the SETPOINT 13
5.5.2 Determination of the GRADIENT (temperature rise) 14
5.5.3 Determination of the MAXPOINT 15
5.6 Program management 16
5.6.1 Assignment of a sample identification 16
5.6.2 Storage of programs 17
5.6.3 Calling stored programs 18
5.6.4 Cancelling stored programs 19
5.6.5 Printing of results 20
5.7 Running a melting point determination 21
5.7.1 Melting point determination with known
melting point 21
5.7.2 Determination of the melting point with unknown
melting point 22
5.7.3 Modifications of parameters during the
determination of a melting point 25
5.8. Boiling point determination 27
5.9 Adjustment of subparameters 28
6 Maintenance 33
6.3 Calibration of the unit with calibrating substances 33
6.4 Customer service 38
7 Taking out of operation 39
8 Spare parts 40
9 Appendix 41
9.1 Connecting a keyboard 41
9.2 Connection of a printer 41
9.3 Interface configuration 41
9.4 Menu chart 42
9.5 Print-Out 45
9.6 Error messages 46
9.7 Technical data 46
9.8 Materials used 47
9.9 FCC requirements (for USA and Canada) 47
9.10 Declaration of EC conformance 48
Due to continuous improvement and updating, technical
specifications may be altered without prior notice. No part of
this document may be reproduced, copied or transmitte in any
way by using electronic or optical systems without prior
agreement and written permission of Büchi Labortechnik AG.
All rights reserved. © Büchi Labortechnik AG, 1995, 2001
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