Buchi KjelMaster K-375 User manual

KjelMaster K-375 with KjelSampler K-376 / K-377
Operation Manual
11593514E en

Imprint
Product Identification:
Operation Manual (Original), KjelMaster K-375 with KjelSampler K-376 / K-377
11593514 en
Publication date: 12.2018
BÜCHI Labortechnik AG
Meierseggstrasse 40
Postfach
CH-9230 Flawil 1
E-Mail: [e-mail]
BUCHI reserves the right to make changes to the manual as deemed necessary in the light of experience; espe-
cially in respect to structure, illustrations and technical detail.
This manual is copyright. Information from it may not be reproduced, distributed, or used for competitive purpos-
es, nor made available to third parties. The manufacture of any component with the aid of this manual without
prior written agreement is also prohibited.

Document History
Index Date Author Changes
A 25/MAY/2012 NAGG Initial version
B 16/JUL/2013 NAGG First revised version
C 17/NOV/2014 HILS/BRUS Second revised version
(update colorimetric titration)
D 28/APR/2016 HILS Removal of Declaration of Conformity
E 12/DEC/2018 HOES Third revised version
(update colorimetric titration)

Read this manual carefully before installing and running your system and note the safety precautions in chapter 2 in
particular. Store the manual in the immediate vicinity of the instrument, so that it can be consulted at any time.
No technical modifications may be made to the device without the prior written agreement of BUCHI. Unauthorized
modifications may affect the system safety or result in accidents.
This manual is copyright. Information from it may not be reproduced, distributed, or used for competitive purposes,
nor made available to third parties. The manufacture of any component with the aid of this manual without prior
written agreement is also prohibited.
If you need another language version of this manual, you can download it at
www.buchi.com.

Table of contents
5
K-375 / K-376 / K-377 Operation Manual, Version E
Table of contents
1 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.1 Trademarks 9
1.2 Abbreviations 9
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 User qualification 10
2.2 Proper use 10
2.3 Improper use 10
2.4 Safety warnings and safety signs used in this manual 11
2.5 Product safety 12
2.5.1 General hazards 12
2.5.2 Instrument-related hazards 13
2.5.3 Other hazards 14
2.5.4 Personal protective equipment 14
2.5.5 Built-in safety elements and measures 15
2.6 General safety rules 16
3 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.1 Scope of delivery 17
3.1.1 Basic devices 17
3.1.2 Standard accessories for K-375 19
3.1.3 Standard accessories for K-376 / K-377 21
3.1.4 Operation Manuals for K-375 22
3.1.5 Optional accessories K-375 23
3.1.6 Optional accessories K-376 / K-377 25
3.2 Technical data overview 26
3.2.1 Technical data KjelMaster K-375 and KjelSampler K-376 / K-377 26
3.2.2 Technical data titrator 27
3.3 Determination parameters 28
3.4 Information on type plate 29
3.4.1 Titrator module and dosing unit 29
3.4.2 Material on the K-375 29
3.4.3 Material on the K-376 / K-377 30
4 Description of function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.1 Device overview 31
4.1.1 Opening the service door 32
4.2 Functional principle of KjelMaster System K-375 / K-376 / K-377 33
4.3 Standby function 35
4.4 System preparation 35
4.4.1 Preheating 35
4.4.2 Priming 35
4.4.3 Cleaning 35
4.4.4 Aspiration 35
4.5 Distillation and titration 36
4.5.1 Distillation and Titration Options 36
4.5.2 Distillation Mode 36