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Operating Instructions METTLER TOLEDO Karl Fischer Titrator DL35

Notes and warnings for DL35 in compliance with IEC-348 and FCC A

Notes and warnings for DL35 in compliance with IEC-348 and FCC A
This instrument of protection class has been constructed and tested in compliance with IEC publication 348, Safety Regulations for Electronic Measuring Instruments, and has left the factory in faultless condition in regard to safety. To maintain this condition and to ensure hazard-free operation, the user must observe the notes and warnings in these operating instructions. The instrument is intended for indoor use. It can be occasionally exposed to temperatures between +50 C and -10 C without any adverse effects on its reliability. …ver más…

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Sample preparation Maintenance Technical data Accessories Standard equipment Optional accessories Malfunctions and their causes Instrument malfunctions Malfunctions in the communication with external devices Operating errors Other error conditions Description of the technical data for instruments conforming to IEC-348 Index

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1.

Introduction

The titration of water by the Karl Fischer method is one of the most frequently used methods for the determination of water. It allows water contents to be determined reproducibly within 1 to 2 minutes over a wide concentration range (from a few ppm up to 100%). The Karl Fischer titration is based on the following principle: Water reacts with iodine and a reactive component formed