Sensepoint XCD Technical Manual SPXCDHMANEN Issue 15
10
Transmitter
The transmitter enclosure has three threaded entries. The two cable/conduit 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 direct connection of the sensor
socket. There is a mounting plate incorporated into the transmitter housing allowing for various mounting
configuration options.
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 Flammable, Toxic
and Oxygen Gas sensors
The Sensepoint XCD transmitter is designed to work with a variety of gas sensors for detecting
flammable gases. Sensepoint XCD sensors use NDIR infrared and electro-catalytic technologies.
In addition, the Sensepoint XCD transmitter is designed to work with a wide range of toxic gas
sensors. Sensepoint XCD sensors for monitoring toxic gas or oxygen use electro-chemical cell
(ECC) technology. Oxygen sensors measure Oxygen deficiency and enrichment in the range
0 – 25 % v/v. They do not measure inertisation.
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