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892
Metrohm 892 User Manual
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￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
7 T
echnical specifications
892 Professional Rancimat
￭￭￭￭￭￭￭￭
53
7.9
Dimensions/Material
Width
383 mm
Height
277 mm (without accessories)
Depth
462 mm
W
eight
16.1 kg (without accessories)
Cover material
Baydur
®
110 FR-6 with flame retardation for fir
e class UL94VO, CFC-
free
Base material
Steel sheet, coated
60
62
Table of Contents
Default Chapter
5
Table of Contents
5
1 Introduction
9
Instrument Description
9
About the Documentation
10
Symbols and Conventions
10
Safety Instructions
11
General Notes on Safety
11
Electrical Safety
11
Flammable Solvents and Chemicals
13
Recycling and Disposal
13
2 Overview of the Instrument
14
Front of the Instrument
14
Figure 1 Front 892 Professional Rancimat
14
Rear of the Instrument
15
Figure 2 892 Professional Rancimat Rear
15
Instrument Display
16
Figure 3 Instrument Display
16
Setting up the Instrument
18
Packaging
18
Checks
18
Location
18
3 Installation
18
Mounting Accessories
19
Mounting the Internal Air Supply
19
Figure 4 Mounting Accessories for the Air Supply
19
Figure 5 Drying Flask - Individual Parts
20
Mounting the External Air Supply
21
Figure 6 Drying Flask Mounted in Place
21
Assembling the Reaction and Measuring Vessels
22
Figure 7 Equipping the Reaction and Measuring Vessels
23
Inserting Vessels / Establishing Tubing Connections
25
Figure 8 Mounting the Air Tube: Correct - Incorrect
25
Figure 9 Mounting the Foam Barrier
25
Mounting the Exhaust Air Collection Tube
26
Mounting the Oil Separator
27
Figure 10 Mounting the Oil Separator
28
Power Connection
29
Connecting the Power Cord to the Energy Supply
29
Replacing Fuses
30
Switching the Instrument on and off
31
Figure 11 Instrument Display with Instrument Name
31
Figure 12 Instrument Display with "No Connection" Symbol
31
Figure 13 Instrument Display Without Instrument Name and Symbol
31
Connecting a Computer
32
Connecting the 892 Professional Rancimat and the Computer
32
Figure 14 Instrument Display with Serial Number
32
Rancimat Method
34
4 Operation
34
Calibration Functions
35
Determining the Cell Constant
35
Figure 15 Measuring Arrangement (Schematic Representation)
35
Determining the Temperature Correction
36
Figure 16 Assembling the Reaction Vessel for Determining the Temperature Correc- Tion
37
Determinations
39
Preparing a Sample
39
Preparing the Instrument and the Accessories
43
Preparing the Determination
44
Cleaning the Accessories
46
Cleaning the Oil Separator
47
Figure 17 Oil Separator (6.2753.200), Disassembled
47
5 Operation and Maintenance
49
General Notes
49
Care
49
Maintenance by Metrohm Service
49
Cleaning the Instrument
50
Replacing the Dust Filter
51
Figure 18 Dust Filter - Conditions
51
Regenerating or Replacing the Molecular Sieve
52
6 Troubleshooting
53
Problems
53
7 Technical Specifications
58
General Data
58
Temperature Control and Measurement
58
External Temperature Sensor
59
Conductivity Measurement
59
Gas Flow Regulation
60
USB Interface
60
Power Socket
60
Ambient Temperature
60
Dimensions/Material
61
8 Accessories
62
Index
63
4
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Metrohm 892 Specifications
General
Brand
Metrohm
Model
892
Category
Laboratory Equipment
Language
English
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