PureAire Monitoring Systems, Inc.
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1: Introduction
The Universal Gas Detector is a compact gas monitor designed for the continuous detection and
measurement of toxic and corrosive gas leaks. It consists of a generic transmitter/controller connected
to a dedicated, renewable gas sensor that automatically inputs the gas and measurement range. The
Universal is a single point monitor built into a polycarbonate UL listed enclosure suitable for indoor
use. It’s also available for NEMA 4X IP65 outdoor use when supplied without the built-in horn. It’s
designed to work as a stand-alone monitor or it can be connected to any PLC, programmable logic
controller or SCADA system.
The system has the following features:
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Universal transmitter, connects to any PureAire toxic & corrosive gas sensor
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Plug & Play sensor sets the gas and measurement range
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Sensor can be remote up to 30 feet from the transmitter
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Quick & simple remote sensor gas calibration; the sensor span stays with the sensor
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Digital display and built-in audible horn
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User selectable dual level alarm and system fault relays
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Renewable long life electrochemical sensor cell
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24 VDC operation
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4-20 mA output
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Supervised electronics monitors electronics with separate fault relay
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C UL listed Measuring Equipment E363306
NOTE: The Universal gas detector enclosure is NOT rated for Class 1,
Groups B, C & D
Ideal for continuously detecting gas leaks in confined spaces or areas where people are working the
Universal Gas Detector does not drift when the weather or temperature changes. Each system consists
of a long life renewable sensor with built-in microprocessor that stores gas, range and calibration
information. This manual covers the installation, operation, and maintenance of the Universal Gas
Detector.
1.1 Key Features
The Universal
Gas Detector monitor incorporates a number of user-friendly features designed to
simplify installation, operation, and maintenance.
