Mettler Toledo M300 ISM Manuel d'utilisateur télécharger pdf

METTLER TOLEDO US and Canada

Commonly used techniques

Electrolytic conductivity is a measure

of the total ionic content of a solution.

Two main methodologies to measure

conductivity are:

– 2-electrode sensors are for measure-

ments in high purity water and

relatively low conductivity ranges

– 4-electrode sensors are for mid to

high ranges. They are more resistant

to fouling than two-electrode designs

METTLER TOLEDO offers both method-

ologies.

2-electrode sensor design (Fig.1)

An AC voltage is applied across the 2

electrodes, and the resistance between

them is measured. The built-in

temperature sensor provides fast accu-

rate measurement. The cell geometry

and the high solution resistance allow

for very accurate and precise conduc-

tivity determination.

Sensors are used for water condition-

ing and purification stages where they

are capable of detecting minute levels

of impurities in ultrapure water.

4-electrode sensor design (Fig.2)

An AC voltage is applied across the

2 outside electrodes. The principle is

to measure the voltage drop across the

2 inner electrodes. Therefore, polariza-

tion errors are eliminated. Since this

technique measures potential drop,

the measurement remains accurate. It

permits easier in-line cleaning and it

can be installed in smaller piping than

inductive sensors.

These sensors are used for concentra-

tion measurement of acids, alkalis,

and salt process streams.

UniCond

Conductivity/Restivity

Sensors with ISM

(Fig.3)

The UniCond conductivity/resistivity

sensor advancement integrates the

measuring circuit and the physical

sensor into a single unit. UniCond

conductivity/resistivity sensors pro-

vide exceptionally wide measurement

ranges due to their advanced built-in

measuring circuit. The on-board meas-

uring circuit eliminates interference

from lead wire resistance and capaci-

tance. Only digital signals go back to

the transmitter. The UniCond design

mitigates the effects of polarization

enabling the upper range of the

conductivity sensor to be greatly

expanded. UniCond sensors provide

the ability to accurately measure from

ultrapure water to brackish water (up

to 50,000 µS / cm) with a single inte-

grated sensor, greatly simplifying water

treatment instrumentation.

Conductivity / Resistivity Systems

When Optimal Performance Is Essential

Inner

electrode

rod

Outer electrode cylinder

Fig. 1: Concentric 2-electrode design

Measuring

electrodes

AC voltage

measurement

Drive electrodes

Four electrode

sensor

AC voltage

source

Fig. 2: 4-electrode sensor design

Fig. 3: UniCond

Conductivity / Resistivity

Introduction

Control Your Process Regardless of Your Application

Electrolytic conductivity is a widely used analytical parameter for water purity analysis,

monitoring of reverse osmosis, cleaning procedures, control of chemical processes, and in

industrial wastewater.

1 2 3 4 5 6 ... 13 14

Résumé du contenu

Page 1 - Conductivity / Resistivity

12METTLER TOLEDO US and CanadaCommonly used techniquesElectrolytic conductivity is a measure of the total ionic content of a solution. Two main method

Page 2

21METTLER TOLEDO US and Canada 1.00 mm 25.4"27.9 mm1.10"101.6 mm4"1" NPT76.2 mm3.00"  44.5 mm1.75"¼" NPT¼&qu

Page 3

22METTLER TOLEDO US and CanadaPharma Waters VerifiersConductivity / Resistivity SensorsAccurate and ReliablePharma Water VerifiersUniCond® ISM Verifi

Page 4

23METTLER TOLEDO US and CanadaPharma WaterOrdering InformationDescription Order NumberPharma Waters UniCond® ISM Verifier for Thornton M800 and M30

Page 5

24METTLER TOLEDO US and Canadawww.mt.com / ThorntonWater QualityPure LightSimple Water Quality Indication656 Pure Light™Water Quality Indicator with T

Page 6

25METTLER TOLEDO US and CanadaSpecificationsAccuracy ± 10% at 25 °C, typicalThreshold settings Restivity 50 k, 200 k, 500 k, 1 M &

Page 7

13METTLER TOLEDO US and Canada58 031 409243E233240-201Continuous conductivity monitoring according to USP <645>USP guideline <645> sets a

Page 8

14METTLER TOLEDO US and CanadaFeatures Overview– Plug and Measure functionality– Integral high-performance measuring circuit– Robust digital output s

Page 9

15METTLER TOLEDO US and Canada3/4" NPTX[ 15.7 mm0.62"[ 12.7 mm0.50"[ 15.7 mm0.62"[ 104 mm / 4.1"[ 109 mm / 4.3"[ 7

Page 10 - US and Canada

16METTLER TOLEDO US and Canadawww.mt.com / Thornton-CondConductivity / ResistivityMETTLER TOLEDO Thornton provides a full complement of conductivity /

Page 11 - Pharma Waters Verifiers

17METTLER TOLEDO US and CanadaConductivity Standard SolutionsProvided for sensor verification and recalibration, conductivity standards are pro-duced,

Page 12

18METTLER TOLEDO US and Canadawww.mt.com / Thornton-CondConductivity / ResistivityConductivity / Resistivity SensorsAccurate and ReliableConductivity

Page 13 - Water Quality

19METTLER TOLEDO US and CanadaMicroelectr.PowerPharma WaterWastewaterOrdering InformationElectrode Maximum Pressure Process Connection Insertion

Page 14

20METTLER TOLEDO US and CanadaConductivity / ResistivityConductivity / Resistivity SensorsAccurate and ReliableBoiler Water Conductivity SensorsRugge

Plus de documents pour Mesure, test et contrôle Mettler Toledo M300 ISM

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Mettler Toledo M300 ISM Spécifications (122 pages)

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Mettler Toledo M300 ISM Manuel d'utilisateur

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