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Catalogue BRAN+LUEBB Analyzers

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Microprocessor-controlled on-line analyzer for the fully automatic measurement of hardness, chlorine or p- and m-value by titration. The Monitor 90 S Titrometer combines precision with proven reliability and economy.

Titration cell

Advantages

■ Fully automatic operation

■ High sensitivity

■ High stability: programmable automatic recalibration

■ Up to four sample streams per analyzer

Microprocessor control

Self-checking

Up to three measured parameters per sample stream

2-stage titration for m- and p-value, plus calculated value (2p - m) or (p - m)

■

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■

Titrant Calibrant

Sample

Drain

Measuring principle

The sample is mixed with reagents to adjust the pH, and at the same time any chemicals needed for the subsequent titration are added. A titration reagent is then slowly added until the industrial electrode detector indicates that the titration end-point has been reached. The concentration of the para-meter being measured is then calculated from the titration volume.

Technical Data (e.g. m- and p-values)

Measuring principle

cyclic, volumetric

Measuring cycle

typ. 6 minutes

Range

m- and p-value 0-0.1 to 0-10 mmol/l

Other components and ranges on request.

Output signal

0/4-20 mA, load 400 Ohm linear response galvanlcally separated

Option: RS 232,

RS 485 bus interface

Limit signal

1 floating contact per sample stream max. load 50 V AC, 60 V DC, max. 3 A

General alarm

1 floating contact max. load 50 V AC, 60 V DC, max. 3 A

Sample

Pressure max. 0.1 bar

Temperature 15 - 35°C

Volume

2 - 10 l/h without Ultrafiltration, free of solids and oil

Connection

Tubing 3.2 x 1.6 mm

Swagelok: pipe 6 x 1 mm

Waste connection

pressure-free, tubing 10 x 2 mm

Power supply

Voltage

100/115/230 V

Tolerance -±10%

Frequency 50 or 60 Hz

Power consumption

approx. 150 VA

Environmental temperature

15 - 35°C

Colour

grey/white (RAL 9002)

Mounting

wall mounting

Protection class

IP 54 (DIN 40050) IP 65 (Electronics)

Weight

at least 60 kg

Dimensions* (HxWxD) 900x600x310 mm

Optional junction box

1200x600x310 mm * multi-channel models

Precision

typ. < 1% of range

Drift

typ. < 0.2% of range

Reagent supply

for 3 weeks

No. of sample streams

up to 3 (limited outputs for 2-stage titration)

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Bran+Luebbe GmbH- P.O. Box 13 60 • D-22803 Norderstedt Telefon +49 (040) 522 02-0 • Fax +49 (040) 522 02-444 • E-Mail info.germany@processequipment.spx.com • Internet http://www.bran-luebbe.de

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