1.0 Introduction
1.1
General Description
The Model S104 Enhanced Smart Sensor as-
sembly is used to detect combustible gases.
The microprocessor based electronics, which
are contained within an explosion proof hous-
ing, process sensor input at the sensor site. An
optional digital display provides indications
and display codes that can be viewed through
a window in the cover. An analog output sig-
nal (4-20mA) provides remote and/or discrete
indications of the sensor’s operation.
The
Model S104 Enhanced Smart Sensor Assem-
bly is rated explosion proof for use in Class I,
Division 1, Group B, C, and D hazardous ar-
eas.
1.2
Features and Benefits
Microprocessor Based Electronics: monitors
9 individual fault conditions, processing input
signals from the sensor and providing outputs
in the form of LED flashing sequences, dis-
play codes, and an analog output signal.
One Person Calibration: initiate the calibra-
tion sequence with a magnet, apply the gas,
and wait for the LED switch or optional dis-
play to indicate that the unit has completed the
calibration. No tools or adjustments are re-
quired.
2 Digit Display: (optional) indicates gas con-
centrations, fault codes, and calibration cues.
4 to 20 mA Output: transmits fault, calibra-
tion, and gas concentrations to a remote dis-
play, computer or other device.
1.3
Applications
This is a partial listing of applications.
l
Drilling and Production Platforms
l
Fuel Loading Facilities
l
Compressor Stations
l
Oil Well Logging
l
LNG/LPG Processing and Storage
l
Waste Water Treatment
l
Gas Turbines
l
Solvent Vapors
l
Hydrogen Storage
1
GENERAL MONITORS
Model S104
