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HYDROGEN CHLORIDE SENSOR MODEL TOX-HCl/ANA

FEATURES: BENEFITS:

•

••

• Linear 4-20mA output signal •

••

• Industry standard signal can be directed to most controllers.

•

••

• Automatic low sensitivity check •

••

• Reliable operation and monitoring integrity.

•

••

• Power up & calibration delays •

••

• False alarm avoidance.

•

••

• Convenient diagnostics •

••

• Simple maintenance.

Previous electrochemical sensors of this general type have used very thin plastic membranes.

This results in handling and stability problems and high temperature and pressure coefficients

which limit the usefulness of the device. The Toxalert sensor takes a radically different

approach by allowing gas to diffuse into the sensor through a simple capillary. Not only is this

extremely robust and stable, but entirely different diffusion laws apply resulting in low

temperature and pressure coefficients and the capability to monitor gas as a percent volume.

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GENERAL DESCRIPTION:

The Toxalert hydrogen chloride sensor

module is desi

gned for use in conjunction with

Toxalert and other standard 4-20 mA loo

controllers. The module sources an output

current in

proportion to the hydrogen

chloride concentration. Toxalert utilizes

ydrogen chloride sensors that are

electrochemical cells. They are the self-

powered, diffusion limited, metal-air batter

ype. The rate at which atmosphere gases can

get to the electrode throu

gh a diffusion

barrier is then solel

y dependent on

concentration of

gases in the atmosphere.

Current is

generated that is proportional to

the rate of consum

ption of hydrogen chloride

in the cell.

TOXALERT

™

TOXALERT INTERNATIONAL, Inc., PO Box 159, Mound, MN. 55364 PHONE: (952) 472-4541 • FAX: (952) 472-4960

www.toxalert.com

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Indice de contenidos

Pagina 1 - TOXALERT

HYDROGEN CHLORIDE SENSOR MODEL TOX-HCl/ANA FEATURES: BENEFITS: •••• Linear 4-20mA output signal •••• I

Pagina 2 - SPECIFICATIONS:

MODEL TOX-HCl/ANA SPECIFICATIONS:•••• Type: Electrochemical cell-diffusion barrier type •••• Operating Temperature : 4° to 122°F ••••

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Toxalert Tox-HCI/ANA Manual de usuario

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