Precautionary Labels; Product Overview; Theory Of Operation; Product Components - Hach 9181600 Manual De Usuario

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Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or serious
injury.
Indicates a potentially hazardous situation that may result in minor or moderate injury.
Indicates a situation which, if not avoided, may cause damage to the instrument. Information that requires special
emphasis.

Precautionary labels

Read all labels and tags attached to the instrument. Personal injury or damage to the instrument
could occur if not observed. A symbol on the instrument is referenced in the manual with a
precautionary statement.
This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential
injury. If on the instrument, refer to the instruction manual for operation or safety information.
This symbol indicates that a risk of electrical shock and/or electrocution exists.
This symbol indicates the presence of devices sensitive to Electro-static Discharge (ESD) and
indicated that care must be taken to prevent damage with the equipment.
Electrical equipment marked with this symbol may not be disposed of in European public disposal
systems after 12 August of 2005. In conformity with European local and national regulations (EU
Directive 2002/96/EC), European electrical equipment users must now return old or end-of-life
equipment to the Producer for disposal at no charge to the user.

Product overview

This sensor is designed to work with the digital gateway for the CLF10sc and CLT10sc Reagentless
Chlorine Analyzer and one of the sc series controllers for data collection and operation.
This sensor has an internal temperature sensor (thermistor). The temperature measurement signal is
used internally by the sensor for automatic temperature compensation and is shown on the
controller.

Theory of operation

pH is the negative logarithm of the hydrogen ion activity and a measure of the acidity or alkalinity of a
solution.
pH is normally measured with a glass electrode and a reference electrode. The glass electrode acts
as a transducer which converts chemical energy (the hydrogen ion activity) into an electrical energy
(measured in millivolts). The reaction is balanced and the electrical circuit is completed by the flow of
ions from the reference solution to the solution under test.
The electrode and reference solution together develop a voltage (emf) whose magnitude depends on
the type of reference electrode, the internal construction of the glass electrode, the pH of the solution
and the temperature of the solution.

Product components

Make sure that all components have been received. Refer to
damaged, contact the manufacturer or a sales representative immediately.
4 English
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Figure 1
. If any items are missing or
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