Xylem WTW SensoLyt 700 SW Manuel utilisateur
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TriOxmatic®700
TriOxmatic®700 SW
43
Operating manual
D. O. sensor
TriOxmatic 700
TriOxmatic 700 SW
TriOxmatic®700 (SW)
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Accuracy when going to
press
The use of advanced technology and the high quality standard of our
instruments are the result of continuous development. This may result
in differences between this operating manual and your instrument.
Also, we cannot guarantee that there are absolutely no errors in this
manual. Therefore, we are sure you will understand that we cannot
accept any legal claims resulting from the data, figures or descriptions.
Note
The latest version of the present operating manual can be found on the
Internet under www.WTW.com.
Copyright ©Weilheim 2005, WTW GmbH
Reprinting - even as excerpts - is only allowed with the explicit written
authorization of WTW GmbH, Weilheim.
Printed in Germany.
TriOxmatic®700 (SW) Contents
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TriOxmatic®700 (SW) - Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
1.1 Structure of the TriOxmatic®700 (SW) . . . . . . . . . . . . . 47
1.2 Recommended fields of application . . . . . . . . . . . . . . . . 48
1.3 Instrument identification . . . . . . . . . . . . . . . . . . . . . . . . . 48
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
2.1 General information on safety . . . . . . . . . . . . . . . . . . . . 49
2.2 Authorized use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
2.3 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 50
3 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
3.3 Commissioning / Getting the instrument ready for
measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
4 Measuring / Operation . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.1 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
4.2 Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
4.2.1 General information on calibration . . . . . . . . . . 54
4.2.2 Calibration in water vapor-saturated air . . . . . . 55
4.3 Function check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5 Maintenance, cleaning, disposal, and replacement . . 59
5.1 General maintenance instructions . . . . . . . . . . . . . . . . . 59
5.2 Cleaning the sensor shaft and membrane . . . . . . . . . . . 59
5.3 Changing the electrolyte and membrane cap . . . . . . . . 62
5.4 Cleaning the electrodes . . . . . . . . . . . . . . . . . . . . . . . . . 67
5.4.1 Cleaning the gold working electrode . . . . . . . . . 69
5.4.2 Cleaning the silver counter electrode . . . . . . . . 70
5.5 Checking the sensor for freedom from zero-current . . . 76
5.6 Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.7 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
5.8 Maintenance equipment and replacement parts . . . . . . 78
6 What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
7 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
7.1 General data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
7.2 Measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . 83
7.3 Characteristic data on delivery . . . . . . . . . . . . . . . . . . . . 84
7.4 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Contents TriOxmatic®700 (SW)
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TriOxmatic®700 (SW) Overview
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1Overview
1.1 Structure of the TriOxmatic®700 (SW)
Fig. 1-1 Structure of the D. O. sensor (example: TriOxmatic®700)
1Protective hood
2WP 600 membrane cap
3Electrode unit
4Shaft
Electrode unit:
5Gold working electrode (cathode)
6Insulator
7Silver counter electrode (anode)
8Reference electrode
334
6
5
78
2
1
Overview TriOxmatic®700 (SW)
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1.2 Recommended fields of application
TriOxmatic 700 Stationary measurements in water/wastewater applications.
TriOxmatic 700 SW Stationary measurements in seawater, aquaculture.
1.3 Instrument identification
Instrument identification The instrument designation (end of name "-99" for SW model) is
impressed on the plug end of the cable. The series number is engraved
in the closing head. Have these designations ready in case of queries
to the WTW service department.
TriOxmatic®700 (SW) Safety
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2 Safety
2.1 General information on safety
These safety instructions contain all instructions that have to be
followed for a safe operation of the TriOxmatic®700 (SW) D. O. sensor.
Before starting any work with the TriOxmatic®700 (SW), carefully read
the safety instructions and strictly follow all protective measures
mentioned.
Always store and make available these safety instructions together with
the operating manual in the vicinity of the place of installation as
possible.
General safety
instructions
Safety instructions in this operating manual can be recognized by the
warning symbol (triangle) in the left column. The signal word (e. g.
"Caution") indicates the level of the danger:
Warning
indicates instructions that must be followed precisely in order to
prevent serious dangers to persons.
Caution
indicates instructions that must be followed precisely in order to
avoid slight injuries or damage to the instrument or the
environment.
Other labels
Note
indicates notes that draw your attention to special features.
Note
indicates cross-references to other documents, e.g. operating
manuals.
2.2 Authorized use
The authorized use of the TriOxmatic®700 (SW) is stationary D. O.
measurement.
The technical specifications according to chapter 7 TECHNICAL DATA
must be observed. Only operation according to the instructions given in
this operating manual is considered to be authorized.
Any other use is considered to be unauthorized. Unauthorized use
invalidates any claims with regard to the guarantee.
Safety TriOxmatic®700 (SW)
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2.3 General safety instructions
Function and
operational safety
The sensor left the factory in a safe and secure technical condition.
The failure-free function and operational safety of the sensor is only
guaranteed if the generally applicable safety measures and the special
safety instructions in this operating manual are followed during its use.
The failure-free function and operational safety of the sensor is only
guaranteed under the environmental conditions that are specified in
chapter 7 TECHNICAL DATA.
The specified temperature (chapter 7 TECHNICAL DATA) must be
maintained during the operation and transport of the sensor. Protect
the sensor, particularly against frost or overheating.
Safe operation If safe operation is no longer possible, the sensor must be taken out of
operation and secured against inadvertent operation.
Safe operation is no longer possible if the sensor:
has been damaged in transport
has been stored under adverse conditions for a lengthy period of
time
is visibly damaged
no longer operates as described in this manual.
If you are in any doubt, contact the supplier of your sensor.
Obligations of the
operator
The operator of the sensor must ensure that the following rules and
regulations are followed when dealing with hazardous substances:
EEC directives for protective labor legislation
National protective labor legislation
Safety regulations
Safety data sheets of the chemical manufacturer.
TriOxmatic®700 (SW) Commissioning
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3 Commissioning
3.1 Scope of delivery
TriOxmatic®700 (SW)
The sensor is filled with electrolyte and provided with a protective
hood and protective caps.
ZBK 600 accessory kit
Operating manual.
3.2 Installation
Connection to the
measuring transmitter
The TriOxmatic®700 (SW) connection cable has a screw plug to be
connected to the Oxi input socket of a measuring transmitter. It is
connected to the terminal strip of measuring transmitters without an Oxi
input socket via the ADA/AMPH adapter.
For detailed information please refer to the operating manual of the
measuring transmitter.
Note
Do not suspend the sensor on the sensor connection cable. Use a
sensor holder or armature. Information on this and other
TriOxmatic®700 (SW) accessories is given in the WTW catalog and on
the Internet.
Commissioning TriOxmatic®700 (SW)
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3.3 Commissioning / Getting the instrument ready for
measuring
Note
For the sensor to polarize, the following conditions must be fulfilled:
The sensor is connected to the measuring transmitter
The measuring transmitter is operating
Precision
measurements
Recommendation: In order to carry out precision measurements, leave
the sensor to polarize for a longer period of time, e.g. overnight, and
recalibrate it the following day.
1Pull the protective cap off the protective hood of the sensor.
2 Leave the sensor to lie in the air for at least 60 minutes while it
is switched on (polarization).
3Calibrate the sensor (see operating manual of the measuring
transmitter).
Ce manuel convient aux modèles suivants
5
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