Hach-Lange LUMISTOX 300 LPV321 User Manual User Manual
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LUMIStox 300 Operating Manual
Dr. Bruno Lange GmbH
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CONTENTS
1 The LUMIStox 300 measuring instrument
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1.1 Concept
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1.2 Starting up
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1.3 Additional information
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1.4 Procedure in short
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2 Operation of the LUMIStox 300 measuring instrument
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2.1 Switching on
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2.2 Explanation of the LUMIStox 300 menu guidance
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2.3 Initial settings for luminescent bacteria tests for determining GL and EC
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2.4 Screening
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2.5 Determining the GL value
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2.6 Determining the EC value
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2.7 Determining chronic toxicity with LUMIS·24·tox
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2.8 The LUMIStox luminescent bacteria test (LCK484)
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2.9 The TOX cuvette test (LCK488)
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2.10 Determining optical density (OD)
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2.11 Determining relative light units (LU)
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3 Options
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3.1 Colour correction
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3.2 Standardization of luminescence measurements relative to 100
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3.3 Self-test
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3.4 Setting the serial interface (V24)
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3.5 Setting the print options
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3.6 Setting the date and time
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3.7 Setting the temperature of the measuring shaft
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3.8 Setting the screen contrast
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4 Appendix
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4.1 Sample preparation for the luminescent bacteria test
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4.2 Determining EC and GL values
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4.2.1 Preparing a dilution series
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4.2.2 Practical advice: The geometrical dilution series
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4.2.3 Practical advice: Dilution series in conformity with DIN 38412 L34/341
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4.3 Calculation of the GL value in conformity with DIN 34412/L34/341
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4.4 Calculating the EC value
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5 Printout
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6 Error messages
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7 Technical data
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