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KjelMaster K-375
Buchi KjelMaster K-375 User Manual
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KjelMaster K
-3
7
5 w
ith K
jelSa
mpler K
-
37
6 / K
-3
77
Operation Manual
11593514E en
2
Table of Contents
Default Chapter
5
Table of Contents
5
1 About this Manual
9
Trademarks
9
Abbreviations
9
2 Safety
10
User Qualification
10
Proper Use
10
Improper Use
10
Safety Warnings and Safety Signs Used in this Manual
11
Product Safety
12
General Hazards
12
Instrument-Related Hazards
13
Other Hazards
14
Personal Protective Equipment
14
Built-In Safety Elements and Measures
15
General Safety Rules
16
3 Technical Data
17
Scope of Delivery
17
Basic Devices
17
Standard Accessories for
19
Standard Accessories for K-376 / K-377
21
Operation Manuals for
22
Optional Accessories K-375
23
Optional Accessories
25
Technical Data Overview
26
Technical Data Kjelmaster K-375 and Kjelsampler
26
Technical Data Titrator
27
Determination Parameters
28
Information on Type Plate
29
Titrator Module and Dosing Unit
29
Material on the
30
4 Description of Function
31
Device Overview
31
Opening the Service Door
32
Functional Principle of Kjelmaster System
33
Standby Function
35
System Preparation
35
Preheating
35
Priming
35
Cleaning
35
Aspiration
35
Distillation and Titration
36
Distillation and Titration Options
36
Distillation Mode
36
Titration Type
36
Sensor Type
36
Titration Mode
37
Measuring Mode
37
Titration Algorithm
37
Determination Mode
37
Different Methods
38
Blank Values
38
Blanks
38
Control Blanks
39
Reference Substances
39
Indicator for Colorimetric Titration
40
4.10 Result Groups
40
Explanation of Alkaline Direct Distillation
41
5 Putting into Operation
43
Installation Site
43
Electrical Connections
44
Connections of the Kjelmaster
44
Connections of the
45
Transfer Connection K-376 / K-377 to
46
Connecting the K-376 to the
46
Connecting the Transfer Hoses of the
48
Reagent/Water and Waste Connections
49
Buret Unit for Titrant
51
Positioning of the Dosing Tip
53
Storage Tank Connection
53
Level Sensors
54
Installation of the Titration Sensor
56
Potentiometric Sensor
56
Colorimetric Sensor
56
5.10 Connections to Peripheral Devices
57
Connecting a Printer
57
Connecting a Network Cable
57
Connecting a Kjelsampler K-376 or
57
Connecting a Balance
57
Connecting a Bar Code Reader
58
External Dosing Unit for Back Titration
58
Preparing the System
58
Preparing the Software
58
Preparing the Hardware
59
6 Operation
60
The Operating Principle
60
The Home Screen
60
The Title Bar
62
The Bottom Bar
62
System Status Icons
63
User Concept
63
Editable and Non-Editable Menu Items
63
The Status View
65
RESULT Display
66
CHART Display
67
Determination
67
System Preparation
69
Single Sample
77
Sample Lists
79
Sequences
84
Results
92
Result Groups
92
Last Results
94
Blank Correction
95
Determination Parameters
99
Methods
99
Volumetric Solutions
108
Reference Substances
109
9 Device
110
Settings
110
Utilities
117
9 3 Diagnostics
118
Logout
119
7 Maintenance
119
Daily Maintenance
120
Before Sample Determination (Potentiometry)
120
Before Sample Determination (Colorimetry)
121
After Sample Determination
122
Ph Electrode
122
(Potentiometry Only)
123
Sample Tube Cleaning
124
Weekly Maintenance
125
Cleaning the Housing
125
Cleaning the Titrator
125
Cleaning the Glass Parts of the Dosing Unit
125
Cleaning the Dip Tube of the Kjelsampler
125
Device Monitoring
126
Cleaning Colorimetric Sensor and Mesh
127
Monthly Maintenance
127
Calibrating the Pump
127
Checking the Distillate Amount
129
Inspecting the Buret
130
Inspecting the Titrator
130
Inspecting the Sample Tubes
130
Half-Yearly Maintenance
132
K-375 Sealing between Sample Tube and Splash Protector
132
K-376 / K-377 Dip Tube and Sealing Cap
133
Replacing the Splash Protector
134
Yearly Maintenance
136
Replacement of Wear Parts
136
Decalcification of the Steam Generator
137
Replacement of the Sodium Hydroxide Pump
137
Replacement of the Wave Spring
138
Replace Every Two Years
139
Replacement of the Transfer Connection
139
Maintenance Work if Required
141
Changing the Buret Tip
141
Cleaning the Ph Electrode
141
Replacing the Buret
142
Cleaning the Splash Protector and the Rubber Seal
142
Glass Parts
142
Troubleshooting the Dosing Unit
143
Adjusting the Sample Tube Holder
143
Customer Service
144
8 Troubleshooting
145
Problems that May Occur
145
Error Messages on the Display of the
149
Eliminating Errors of the Kjelsampler
153
Eliminating Errors of the Titrator
154
9 Taking out of Operation
155
Emptying the Steam Generator
155
Emptying the Buret of the Titrator
156
Storage/Shipping
156
Disposal
156
10 Spare Parts
157
Spare Parts
158
Hosing Connection Scheme Kjeldahl Sampler System
160
Spare Parts K-376 / K-377
160
11 Declarations and Requirements
161
FCC Requirements (for USA and Canada)
161
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Buchi KjelMaster K-375 Specifications
General
Brand
Buchi
Model
KjelMaster K-375
Category
Laboratory Equipment
Language
English
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