S4000C
2.0 Product Description
2.1 General Description
The Model S4000C is an intelligent sensor for the detection of combustible gases and vapors.
The microprocessor-based electronics processes information at the sensor site, within an
explosion-proof housing.
A digital display provides indications and display codes that can be viewed through a window in
the cover. A red LED above the digital display signifies an ALARM condition, while a red LED
below the digital display signifies a WARN condition. Analog signal (4-20mA) and optional Dual
Redundant MODBUS communications and relays, provide remote and/or discrete indications of
the sensor’s operation.
The Model S4000C Intelligent Sensor is rated explosion-proof for use in the following
hazardous areas:
•
CSA/FM: Class I, Division 1, Groups B, C, D and Class I, Zone 1, Ex d IIB+H
2
, T6
•
ATEX: II 2 G EEx d IIB T5 (Tamb=-40°C to +70°C) EN 61779-1
Figure 4: Model S4000C Intelligent Sensor
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