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Aqualytic OxiDirect BOD-System - User Manual

Aqualytic OxiDirect BOD-System
30 pages
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Instruction Manual
GB
BOD-System
OxiDirect
®
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Summary

The System

Principle of Operation

Explains BOD measurement via pressure difference in a closed system.

Applications

Lists uses for BOD determination and bio-technological applications.

Equipment Supplied

Lists all items included with the OxiDirect measuring device.

The Method

Biochemical Oxygen Demand (BOD)

Defines BOD as oxygen consumed by organic matter decomposition.

Principle of Measurement

Details BOD measurement via pressure changes caused by oxygen consumption.

Preparing the Sample

Outlines initial steps for sample preparation and measurement setup.

Operation

Keys

Describes the function of each control key on the OxiDirect unit.

Operating Modes

Explains the different operational states of the OxiDirect unit.

Technical Terms

Defines key terminology used throughout the manual for clarity.

Displays and their Meanings

Explains LED indicators and display codes with corresponding actions.

Displays and their Meanings

Continues explanation of display codes and required actions for operation.

Initial Set Up

Guides through the initial setup process, including battery installation.

Switching on

Details how to turn the OxiDirect unit on and interpret initial display.

Switching off

Explains the procedure for safely powering down the OxiDirect unit.

Reading out stored values

Instructions on how to access and view previously saved measurement data.

Reading out the current values

Describes how to view active measurement results in real-time.

Starting measurement

Step-by-step guide for initiating a new BOD measurement process.

Parameters Menu

Introduces the menu for configuring system parameters.

Setting the Date and Time

Details how to set the device's internal clock and date accurately.

Autostart

Explains the automatic start function and its impact on sample measurement.

Autoduration

Describes the automatic setting of measurement duration for samples.

Changing the Batteries

Provides instructions for replacing the unit's batteries safely.

Data transfer

Explains how to transfer measurement data from the unit to a computer.

Notes

Contains important operational remarks and practical tips for the unit.

BOD Measurement

Sample Volume

Relates BOD ranges to required sample volumes and ATH dosage.

Preparing the Water Sample

Details steps for preparing water samples, including pH adjustment.

Preparing the Water Sample

Continues sample preparation with nitrification inhibitor, KOH, and sealing.

Interpreting the Results

Interpreting the Results

Explains how to analyze BOD measurement data and identify potential issues.

Checking the Measurement System

Checking the Measurement System

Describes how to verify the functionality of the OxiDirect system.

Maintenance

Maintenance

Provides guidance on cleaning and maintaining the BOD measurement system components.

Inductive Stirring System

Instructions

General instructions for using the inductive stirring system.

Correct use

Specifies the intended application for the stirring system.

Symbols

Explains warning and information symbols used in the manual.

Safety Requirements

Outlines essential safety precautions when using the stirring system.

Safety Requirements

Continues safety warnings regarding magnetism, voltage, and environment.

Equipment Description and Function

Details the components and operational characteristics of the stirring system.

Set Up

Guides through the physical connection and setup of the stirring system.

Magnetic stirring rods

Recommendations and specifications for magnetic stirring rods.

Stirring

Instructions on how to operate the stirring process and stop it.

Maintenance and Cleaning

Procedures for cleaning and maintaining the stirring system components.

Trouble shooting

Identifies common problems and their solutions for the stirring system.

The magnetic stirring rod rotates unevenly

Addresses issues with uneven stirring rod rotation and potential causes.

The stirring rod swerves back and forth

Explains why stirring rods might swerve and how to fix it.

Technical Data

BOD System

Lists the technical specifications for the OxiDirect BOD measurement system.

Inductive Stirring System

Details the technical specifications for the inductive stirring system.

Accessories and Spare Parts List

Accessories and Spare Parts List

Lists available accessories and replacement parts with their order codes.

Aqualytic OxiDirect BOD-System Specifications

General IconGeneral
InterfaceUSB
DisplayLCD
Resolution0.1 mg/L
Measuring PrincipleElectrochemical
Number of Measuring Points6
Temperature Range0 – 40 °C
Power Supply100 – 240 V / 50/60 Hz
Data StorageInternal memory

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