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KjelDigester K-446
Buchi KjelDigester K-446 User Manual
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KjelDiges
ter K
-44
6 / K
-4
4
9
Operation Manua
l
11593546B en
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 General
7
About this Manual
7
Structure of the Manual
7
Additional User Information
8
Available Languages
8
Reference Documents
8
Abbreviations
8
About the Kjeldigester K-446/K-449
9
General Information
9
Type Plate
9
Scope of Delivery
10
2 Safety
11
User Qualifications
11
Proper Use
11
Safety Warnings
11
Warning Explanation
11
Symbols
12
General Safety Rules
13
Responsibility of the Operator
13
Duty of Maintenance and Care
13
Spare Parts to be Used
13
Modifications
13
Product Safety
14
General Hazards
14
Specific Hazard
15
Personal Protective Equipment
16
Built-In Safety Elements and Measures
16
3 Technical Data
17
Device Dimensions
17
K-446
17
K-449
17
General Technical Data
17
Electrical System
18
Environmental Conditions
18
4 Description of Function
19
Purpose and Design
19
Kjeldigester Overview
19
Front and Side View
19
Rear View
20
Top-Side View
20
Function
21
Digestion Process
21
Control Panel
22
Control Panel Display
22
Control Panel Buttons
22
Scrubber Control (K-449 Only)
23
Rack, Cooling and Heating Position
24
Functionality Comparison K-446/K-449
24
5 Installation
25
Unpacking
25
Preparation for Assembly
25
Transport Lock, Removal
26
Device Assembly
26
Drip Tray, Installation
26
Suction Module, Installation
27
Scrubber/Water Jet Pump, Connection
27
Device Fixation (Earthquake)
29
Electrical Connection
29
Settings
29
Accessing the Settings Menu
29
Adjust the Contrast
30
Adjust the Maximum Temperature
30
Adjust the Temperature Offset
31
Set the Clock (K-449 Only)
31
Adjust the Scrubber Control (K-449 Only)
31
User Protection Shield, Installation
32
Condensate Bottle, Installation
33
Air Supply Hose, Installation
34
6 Operation
35
General Application Information
35
Start a Digestion
36
Set Parameters for Manual Digestion
36
K-446
36
K-449
37
Editing Parameters During a Digestion
37
Abort a Digestion
38
Switch off the Kjeldigester
38
Kjeldigester K-446
39
Digestion Process
39
Kjeldigester K-449
40
Digestion Process, Manual Mode
40
Digestion Process, Automatic Mode
41
Digestion Process, Delayed Start
42
Set Parameters for an Automatic Digestion
43
Edit a Method
44
Select a Method
44
Set up a Delayed Start Time
44
Moving the Lift up or down
45
7 Maintenance
47
Maintenance Plan
47
Maintenance as Required/After Use
47
Daily Maintenance
47
Maintenance Every Week
47
Maintenance Every Year or after Every 1000 Digestion Cycles
48
Maintenance Every 3 Years
48
Cleaning
48
Kjeldigester, Cleaning
48
Scrubber Hose, Cleaning
49
Suction Module Sealing and Spring, Cleaning
49
Sample Tube, Cleaning
49
Suction Module Sealing and Spring ,Replacement
50
Fuse Power Supply, Replacement
51
Rechargeable Battery (K-449 Only), Replacement
52
Suction Module, Removal
54
8 Troubleshooting
55
Customer Service
55
Error Messages on the Display
55
Faults
56
Broken Sample Tube During Digestion
56
Power Supply Failure [ERR 1] During a Digestion
57
Sample Tubes Jam in the Heating Block (K-449 Only)
57
Checks
57
Suction Module Sealing and Spring, Check
57
Glass Parts, Check
58
Rechargeable Battery (K-449 Only), Check
58
9 Taking out of Operation
61
Transport
61
Materials Used
62
10 Spare Parts
63
General Information
63
Spare Parts Kjeldigester K-446/K-449
64
Optional Accessories
67
Kjeldahl Tablets
68
11 Appendix
69
FCC Requirements (for USA and Canada)
69
Index
70
4
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Buchi KjelDigester K-446 Specifications
General
Brand
Buchi
Model
KjelDigester K-446
Category
Laboratory Equipment
Language
English
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