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Sensepoint XCD RFD Technical Manual
4.1 Transmitter
The transmitter enclosure has three threaded entries. The two cable entries either side
of the upper part of the transmitter housing are for connecting the power source, signal
output and relay contacts to associated signalling equipment. The bottom entry allows
local (direct) mounting of the appropriate sensor. These three entries are ¾" NPT for the
Americas.
A local LCD provides gas type, concentration, alarm and operating status. The display
provides numerical, bar graph and icon information.
Diagnostic information may also be displayed when the transmitter is interrogated using
a magnet. The transmitter cover has a glass window which allows use of the Magnetic
Wand to activate the three user interface magnetic switches that are located on the front
of the display module. The magnet also enables a non intrusive, one-man calibration and
configuration facility for the Sensepoint XCD RFD.
Magnetic
MENU/ENTER
Switch
Full Scale
Bar Graph
Gas Type
Gas Reading
Magnetic
DOWN
Switch
Diagram 2: Sensepoint XCD RFD Display and Magnetic Switches
4.2 Flammable Gas sensors
The Sensepoint XCD/RFD Transmitter is designed to work with the following flammable
gas sensor types described in below sections 4.2.1, 4.2.2 and 4.2.3. Sensepoint XCD
sensors use electro-catalytic technologies. The Sensepoint XCD RFD is cCSAus approved
for use in North America.
Please refer to chapter 15 'Ordering information' for more detail information.
Magnetic Wand
XCD RFD
7
SPXCDHMRFENU Issue 1
activation Icon
Calibration Icon
Test Pass Icon
Warning
Fault Icon
Inhibit Icon
Alarm Icon
Measuring
Units
Magnetic
UP Switch
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