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Manuals
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Buchi Manuals
Laboratory Equipment
KjelMaster K-375
Operation manual
Buchi KjelMaster K-375 Operation Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 About this Manual
Trademarks
Abbreviations
2 Safety
User Qualification
Proper Use
Improper Use
Safety Warnings and Safety Signs Used in this Manual
Product Safety
General Hazards
Instrument-Related Hazards
Other Hazards
Personal Protective Equipment
Built-In Safety Elements and Measures
General Safety Rules
3 Technical Data
Scope of Delivery
Basic Devices
Standard Accessories for
Standard Accessories for K-376 / K-377
Operation Manuals for
Optional Accessories K-375
Optional Accessories
Technical Data Overview
Technical Data Kjelmaster K-375 and Kjelsampler
Technical Data Titrator
Determination Parameters
Information on Type Plate
Titrator Module and Dosing Unit
Material on the
4 Description of Function
Device Overview
Opening the Service Door
Functional Principle of Kjelmaster System
Standby Function
System Preparation
Preheating
Priming
Cleaning
Aspiration
Distillation and Titration
Distillation and Titration Options
Distillation Mode
Titration Type
Sensor Type
Titration Mode
Measuring Mode
Titration Algorithm
Determination Mode
Different Methods
Blank Values
Blanks
Control Blanks
Reference Substances
Indicator for Colorimetric Titration
4.10 Result Groups
Explanation of Alkaline Direct Distillation
5 Putting into Operation
Installation Site
Electrical Connections
Connections of the Kjelmaster
Connections of the
Transfer Connection K-376 / K-377 to
Connecting the K-376 to the
Connecting the Transfer Hoses of the
Reagent/Water and Waste Connections
Buret Unit for Titrant
Positioning of the Dosing Tip
Storage Tank Connection
Level Sensors
Installation of the Titration Sensor
Potentiometric Sensor
Colorimetric Sensor
5.10 Connections to Peripheral Devices
Connecting a Printer
Connecting a Network Cable
Connecting a Kjelsampler K-376 or
Connecting a Balance
Connecting a Bar Code Reader
External Dosing Unit for Back Titration
Preparing the System
Preparing the Software
Preparing the Hardware
6 Operation
The Operating Principle
The Home Screen
The Title Bar
The Bottom Bar
System Status Icons
User Concept
Editable and Non-Editable Menu Items
The Status View
RESULT Display
CHART Display
Determination
System Preparation
Single Sample
Sample Lists
Sequences
Results
Result Groups
Last Results
Blank Correction
Determination Parameters
Methods
Volumetric Solutions
Reference Substances
9 Device
Settings
Utilities
9 3 Diagnostics
Logout
7 Maintenance
Daily Maintenance
Before Sample Determination (Potentiometry)
Before Sample Determination (Colorimetry)
After Sample Determination
Ph Electrode
(Potentiometry Only)
Sample Tube Cleaning
Weekly Maintenance
Cleaning the Housing
Cleaning the Titrator
Cleaning the Glass Parts of the Dosing Unit
Cleaning the Dip Tube of the Kjelsampler
Device Monitoring
Cleaning Colorimetric Sensor and Mesh
Monthly Maintenance
Calibrating the Pump
Checking the Distillate Amount
Inspecting the Buret
Inspecting the Titrator
Inspecting the Sample Tubes
Half-Yearly Maintenance
K-375 Sealing between Sample Tube and Splash Protector
K-376 / K-377 Dip Tube and Sealing Cap
Replacing the Splash Protector
Yearly Maintenance
Replacement of Wear Parts
Decalcification of the Steam Generator
Replacement of the Sodium Hydroxide Pump
Replacement of the Wave Spring
Replace Every Two Years
Replacement of the Transfer Connection
Maintenance Work if Required
Changing the Buret Tip
Cleaning the Ph Electrode
Replacing the Buret
Cleaning the Splash Protector and the Rubber Seal
Glass Parts
Troubleshooting the Dosing Unit
Adjusting the Sample Tube Holder
Customer Service
8 Troubleshooting
Problems that May Occur
Error Messages on the Display of the
Eliminating Errors of the Kjelsampler
Eliminating Errors of the Titrator
9 Taking out of Operation
Emptying the Steam Generator
Emptying the Buret of the Titrator
Storage/Shipping
Disposal
10 Spare Parts
Spare Parts
Hosing Connection Scheme Kjeldahl Sampler System
Spare Parts K-376 / K-377
11 Declarations and Requirements
FCC Requirements (for USA and Canada)
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KjelMaster K-375 with KjelSampler K-376 / K-377
Operation Manual
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Troubleshooting
Troubleshooting the dosing unit
143
Troubleshooting
145
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This manual is also suitable for:
Kjelsampler k-376
Kjelsampler k-377
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