Toxalert Tox-45-xx Series User Manual download pdf

TOXALERTINTERNATIONAL,INC.P.O.BOX159,MOUND,MINNESOTA55364*(952)472‐4541*FAX(952)472‐4960

Visitourwebsiteatwww.toxalert.com



TOX45-03 Oxygen, O

TOX45-04 Carbon Monoxide, CO

TOX45-05 Hydrogen Sulfide, H

TOX45-06 Chlorine, Cl

TOX45-08 Chlorine Dioxide, ClO

TOX45-10 Sulfur Dioxide, SO

TOX45-12 Nitrogen Dioxide, NO

TOX45-25 Ammonia, NH

TOX45-26 Hydrogen Fluoride, HF

Model TOX45 Series Sensor

The Model TOX45-XX Series Toxic Gas 2-wire gas

sensor modules allow easy direct connection to



Toxalert Tox4 and ToxControl Controllers and

many DCS, PLC and other control devices. The

sensor module is best in class for ease of installation,

reliable operation, ease of use, and, with 180 day

calibration cycle, low cost of operation.



The TOX45-XX Gas Sensor Module utilizes the electro-

chemical cell to monitor for the specified gas over various

gas specific ranges. This compact Module requires minimal

maintenance. Internal continuous self-diagnostics will

automatically indicate any fault problems. The TOX45-XX

is best in class providing all the built-in features desired

by instrumentation and safety professionals, including:

 Industry’s longest calibration interval of 180 days

 2-wire loop powered for easy installation and

direct interface to common PLC and DCS as

well as Toxalert controllers.

 Integral scrolling LCD 2-line, 16 character display

 Non-intrusive one-person calibration

 aluminum or 316 Stainless Steel enclosure

 4-20 mA output

 Long sensor life

 Robust RFI immunity

 Ability to rotate face plate to enable the enclosure

to be mounted in any orientation.



How It Works

Electrochemical sensors are fuel cell-like devices con-

sisting of an anode, cathode, and electrolyte. The com-

ponents of the cell are selected so a subject gas, al-

lowed to diffuse into the cell, will cause a chemical re-

action and generate a current. The cells are diffusion

limited so the rate the gas enters the cell is solely de-

pendent on the gas concentration. The current generated

is proportional to the rate of consumption of the subject

gas in the cell.

TOXALERT’S electrochemical sensors provide improved

reliability by allowing the gas to diffuse into the sensor

through a capillary port, rather than diffusing through

membranes. The result is an extremely stable sensor

with very low temperature and pressure coefficients and

the capability to monitor gas as ppm (toxics).

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TOXALERT

ToxicGasSensorModule

2–WireSeries

ModelTOX45‐xx

1 2

TOXALERT 1
TOX45-xx 2

Summary of Contents

Page 1 - TOXALERT

TOXALERTINTERNATIONAL,INC.P.O.BOX159,MOUND,MINNESOTA55364*(952)472‐4541*FAX(952)472‐4960Visitourwebsiteatwww.toxalert.comTOX45

Page 2 - TOX45-xx

TOXALERTINTERNATIONAL,INC.P.O.BOX159,MOUND,MINNESOTA55364*(952)472‐4541*FAX(952)472‐4960Visitourwebsiteatwww.toxalert.comConstr

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Toxalert Tox-45-xx Series User Manual

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