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Buchi KjelFlex K-360 User Manual

Buchi KjelFlex K-360
72 pages
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KjelFlex K-360
Operation Manual
093176D en

Table of Contents

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Buchi KjelFlex K-360 Specifications

General IconGeneral
BrandBuchi
ModelKjelFlex K-360
CategoryLaboratory Equipment
LanguageEnglish

Summary

About this manual

Abbreviations

List of acronyms used in the operation manual.

Safety

Safety warnings and safety signals used in this manual

Explains signal words (DANGER, WARNING, CAUTION, NOTICE) and symbols used.

User qualification

Defines the required qualifications for operating personnel.

Proper use

Specifies the intended use of the instrument for distillation.

Improper use

Lists applications that are considered improper or forbidden.

Product safety

Addresses residual dangers and manufacturer's safety considerations.

General hazards and safety measures

Details hazards like explosive atmospheres and corrosives, with precautions.

Safety elements

Describes built-in safety features of the instrument.

General safety rules

Covers operator responsibility, spare parts, and modification rules.

Technical data

Scope of delivery

Lists standard instrument configurations and their order numbers.

Standard instrument

Details various standard instrument models and their order numbers.

Standard accessories

Lists standard accessories included with the instrument and their order numbers.

Optional accessories K-360

Lists optional accessories available for the K-360 model.

Technical data K-360

Provides detailed specifications for the KjelFlex K-360.

Titration solution

Recommendations for titrant concentration and sample amounts.

Reference substances

Lists reference substances and their relevant parameters for analysis.

Materials used

Details the materials used for different components of the K-360.

Description of function

Instrument overview

Visual identification of main instrument parts with numerical labels.

Function principle

Explains the basic working mechanism of steam distillation.

Kjeldahl applications

Describes the primary application for nitrogen/protein determination.

Non-Kjeldahl applications

Lists examples of other steam-volatile substance distillations.

Stop-cock

Instructions for setting the stop-cock for different applications.

Operational elements of the instrument

Details the functions of buttons and controls on the operating panel.

Putting into operation

Installation site

Guidelines for selecting a suitable and safe location for the instrument.

Electrical connections

Instructions for safe and correct electrical hook-up of the instrument.

Reagent and water connections

Details on connecting reagent tanks, cooling water, and waste lines.

Cooling water connection

Specifies requirements for connecting the cooling water supply.

Drainage of cooling water

Instructions for connecting the cooling water drain hose.

Waste/aspiration hoses

How to connect hoses for waste and aspiration collection.

Storage tank connection

Procedure for connecting reagent and waste tanks.

Level sensors (optional)

Information on the installation and use of optional level sensors.

Connections to peripheral devices

Details on connecting printers, keyboards, and titrators.

Connecting a printer

Instructions for connecting and configuring a printer.

External keyboard

Information on connecting and using an external keyboard.

Boric acid titration and back titration

Setup guidance for boric acid and back titration methods.

Operation

Overview over the software structure

Diagram illustrating the instrument's software menu hierarchy.

General information on buttons

Explains the function of each control button available in the software.

Overview on how to prepare the instrument for routine operation

Steps for preparing the instrument for regular use.

Standard instrument configuration

Initial settings that need to be defined before first-time use.

Distillation methods

Guide to defining custom distillation methods up to 50.

System preparation

Daily procedures to prepare the system for operation.

Individual working method

Describes single sample and rack-oriented analysis methods.

Configuring the instrument

Main menu for accessing instrument configuration settings.

Pump calibration

Procedure for calibrating the instrument's dosing pumps.

Setting date and time

Instructions for setting the instrument's internal clock.

Defining general instrument settings

Configuration of language, display, and other general settings.

Defining the titrator settings

Configuration options for connecting and using a titrator.

Boric acid / end point titration

Specific settings for boric acid titration with a titrator.

Back titration with dispenser

Setup required for performing back titration using a dispenser.

Defining user and password settings

How to manage user accounts and passwords for instrument access.

Defining the keypad settings

Adjusting settings related to the instrument's keypad input.

Defining a distillation method

Process for creating and saving new custom distillation methods.

Instrument modes

Explanation of the instrument's Standby and Ready operational modes.

System preparation

Procedures for preparing the system before analysis.

Preheating

Steps to preheat the glass parts of the distillation system.

Priming

Procedure for priming the system with a clean sample tube.

Cleaning

Instructions for cleaning the instrument at the end of the day.

Aspiration

Procedure for aspirating sample and titration residues.

Carrying out a distillation

Step-by-step guide to performing a distillation analysis.

Single sample analysis

Method for determining single samples without sample list entry.

Rack oriented analysis

Method for determining multiple samples entered in a sample list.

Analysis screen

Displays the current status and parameters of an ongoing analysis.

Result screen

Shows the result of a distillation, especially when using a titrator.

Result list

Displays a list of previously measured results.

After distillation

Procedures to follow after the distillation process is complete.

Switching ON/OFF checklist

Step-by-step checklists for turning the instrument on and off.

Maintenance

Daily maintenance

Routine cleaning tasks to ensure proper instrument functioning.

Cleaning the housing

Instructions for cleaning the instrument's external casing.

Cleaning the glass parts

Procedure to clean glass components to extend their lifetime.

Cleaning the rubber bung seal

Method for cleaning the rubber seal.

Monthly maintenance

Tasks to perform on a monthly basis, including pump calibration.

Calibrating the pumps

Procedure for calibrating the instrument's dosing pumps.

Checking the distillate amount

Procedure to verify the correct amount of distillate produced.

Maintenance as required

Tasks that depend on instrument usage or condition.

Cleaning the splash protector

Guidelines for cleaning glass and plastic splash protectors.

Replacing the splash protector

Instructions for replacing the splash protector component.

Replacing the rubber bung seals and the splash protector

Procedure for replacing seals and splash protectors.

Glass parts

Instructions for replacing broken glass components like sample tubes.

Replacing the hoses

Guidance on replacing internal hoses due to wear or chemical exposure.

Yearly maintenance

Recommended maintenance tasks to be performed annually.

Customer service

Information on contacting Buchi for service, spare parts, and technical advice.

Decalcification of the steam generator

Step-by-step procedure for decalcifying the steam generator.

Troubleshooting

Malfunctions and their remedy

Table listing common errors, their causes, and corrective measures.

Diagnostics

Overview of diagnostic tools for testing components and hardware.

Operational Tests

Tests for components like valves, pumps, stirrer, and sensors.

Test sensors

Procedure for testing the functionality of various instrument sensors.

Test Printer

How to test the printer's functionality by printing a test page.

Operating Hours

Displays instrument operating hours and reset information.

Hardware Info

Shows hardware details such as serial numbers and production date.

Service Test

Functionality tests typically performed by service technicians.

Shutdown, storage, transport and disposal

Preparing the instrument for transport

Steps for safely shutting down and preparing the instrument for moving.

Emptying the steam generator

Procedure for draining the steam generator.

Storage and transport

Recommendations for packing and transporting the instrument.

Disposal

Guidelines for environmentally friendly disposal of the instrument.

Spare parts

Spare parts K-360

Catalog of replacement parts for the KjelFlex K-360 with order numbers.

Hosing connection schemes

Diagrams illustrating the hosing connections for various configurations.

Declarations and requirements

FCC requirements (for USA and Canada)

Compliance statements regarding FCC and Canadian radio interference regulations.

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