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Metrohm 874 User Manual
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T
echnical Communication
Metrohm A
G
CH-9100 Herisau
techcom@metrohm.com
This documentation is protected by copyright. All rights r
eserved.
This documentation has been prepar
ed with great care. However
, errors
can never be entirely ruled out. Please send comments r
egarding possible
errors to the addr
ess above.
3
5
Table of Contents
Default Chapter
5
Table of Contents
5
1 Introduction
9
Instrument Description
9
Instrument Versions
9
Instrument Components
10
Intended Use
10
About the Documentation
11
Symbols and Conventions
11
Safety Instructions
12
General Notes on Safety
12
Electrical Safety
12
Tubing and Capillary Connections
13
Personnel Safety
13
Flammable Solvents and Chemicals
14
Recycling and Disposal
15
2 Overview of the Instrument
16
Figure 1 874 Oven Sample Processor Front
16
Figure 2 874 Oven Sample Processor Rear
17
Figure 3 Sample Rack 6.2041.720
18
3 Installation
19
Setting up the Instrument
19
Packaging
19
Checks
19
Location
19
Connecting the Instrument to the Power Grid
19
Mounting the Sample Holder
20
Figure 4 Mounting the Sample Holder
20
Mounting Needles
21
Figure 5 Mounting the Needles
22
Figure 6 Mounting the Tubing
23
Mounting the Heating Tubing
24
Figure 7 Mounting the Heating Tubing
24
Mounting the Drying Flask
25
Figure 8 Preparing the Drying Flasks
25
Figure 9 Mounting the Tubings
26
Mounting the Dust Filter
27
Mounting the Air/Nitrogen Connector
27
Figure 10 Mounting the Dust Filter
27
Figure 11 External Gas Connector
28
Mounting the Safety Shield
29
Figure 12 Mounting the Safety Shield
29
Mounting the KF Titration Cell
30
Inserting the Heating Tube into the KF Titration Cell
31
Figure 13 Coulometric KF Titration Cell
32
Figure 14 Volumetric KF Titration Cell
33
Attaching a Sample Rack
34
Figure 15 Attaching Rack
34
Adjusting the Guide Rod
35
Connecting a Computer
35
Figure 16 Adjusting the Guide Rod
35
Figure 17 Connecting the Computer
36
Connecting MSB Devices
37
Figure 18 MSB Connections
38
Connecting a Dosing Device
39
Figure 19 Connecting a Dosing Device
39
Connecting a Stirrer or Titration Stand
40
Figure 20 Connecting an MSB Stirrer
40
Figure 21 Connecting the Rod Stirrer to the Titration Stand
40
Connecting a Remote Box
41
Figure 22 Connecting the Remote Box
41
Connecting USB Devices
42
Connecting a Barcode Reader
42
Figure 23 USB Connectors
42
4 Processing a Sample Series
44
5 Operation and Maintenance
45
General Notes
45
Care
45
6 Troubleshooting
46
Problems and Their Solutions
46
7 Appendix
47
Remote Interface
47
Pin Assignment of the Remote Interfaces
47
Figure 24 Connectors of the Remote Box
47
Figure 25 Pin Assignment of Remote Socket and Remote Plug
47
Stirring Rate
49
Figure 26 Rotational Speed Depending on the Stirring Rate
49
8 Technical Specifications
50
Lift and Turntable
50
Oven
50
Gas Flow
50
Outlet Heater
51
Interfaces
51
Power Connection
51
Ambient Temperature
51
Reference Conditions
52
Dimensions
52
9 Accessories
53
Index
54
5
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Metrohm 874 Specifications
General
Brand
Metrohm
Model
874
Category
Laboratory Equipment
Language
English
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