Sensepoint XCD
Flammable, toxic and
oxygen gas detector for
industrial applications
Sensepoint XCD
One-Stop Shop
• Flammable (catalytic or infrared), toxic
and oxygen versions available
• New and retrofit applications
• Suitable for indoor or outdoor use
• Stainless steel or aluminium
explosion-proof housing options
• IP66 as standard
Proven and Reliable
Sensor Technology
• SurecellTM electrochemical sensors
• Poison immune infrared sensors
• Poison resistant catalytic bead sensors
• Long life sensors
Global Approvals
• US and Latin America, European,
Canadian and Asian
• Compliant with UL, INMETRO, ATEX,
IECEx, CSA, KTL, PA, GB and CCCF
standards
Easy to Use
• User friendly and intuitive tri-colour
backlit display with digits, bar graph
and icons
• Fully configurable via magnetic switches
• Optional remote sensor mounting*
• Selectable sink or source 4-20mA output
• Auto-inhibit during maintenance
• MODBUS communications for remote
diagnostics/configuration*
Cost Effective
• Common transmitter platform
• Minimal training required
• Reduced spares
• Non-intrusive, one-man operation
• Plug-in sensor replacement
• MODBUS multi drop option offers
cabling savings*
Simple Installation
• Plug-in display module removes to give access
to terminal area
• Integral mounting bracket
• 2 x M20 or ¾” NPT cable/conduit entries
(certification dependent)
• Removable plug/socket type terminal blocks for
ease of wiring
• Sink/source switch to suit preferred wiring
topology
Range of Optional Accessories
• Remote sensor mounting kit*
• Remote sensor gassing kit
• Duct mounting kit
• Calibration gas flow housing
• Collecting cone
* Contact Honeywell Analytics for availability of these options.
Typical Applications
• Industrial manufacturing facilities
• Power plants
• Waste water facilities
• Utilities
• Food and beverage production
• Refineries and chemical plants
• Onshore oil and gas terminals
• Production platforms
• Exploration and drilling
The Sensepoint XCD range provides
comprehensive monitoring of flammable,
toxic and Oxygen gas hazards in potentially
explosive atmospheres, both indoors and
outdoors. Users can modify detector
operation using the LCD and magnet
switches without ever needing to open the
unit. This enables one-man, non-intrusive
operation and reduces routine maintenance
time and costs.
A tri-colour backlit LCD clearly indicates the
unit’s status at a glance, even from a distance.
A steady green backlight indicates normal
operation, flashing yellow indicates fault and
flashing red indicates an alarm.
All detectors are supplied pre-configured
and include 2 programmable alarm relays,
1 programmable fault relay as well as an
industry standard 4-20mA output (sink or
source selectable) and MODBUS*.
The scale, range, relay operation, alarm set
point and electronic tag number of the detector
can be adjusted using the transmitter's LCD
and non-intrusive magnetic switches. Outputs
are automatically inhibited during adjustment,
thereby reducing the risk of false alarm at the
control panel during maintenance.
8
4
2
1
6
7
9
Sensepoint XCD has an integral mounting plate
for surface mounting or can be mounted to a
horizontal or vertical pipe using the optional
pipe mounting bracket. Electrical installation
can be made using either conduit or cable
with suitable mechanical protection. Two M20
or ¾”NPT entries are provided (depending
on certification). A weatherproof cap is also
included for use in the harshest outdoor
conditions. Other optional accessories include
a sunshade/deluge protection, duct mounting
kit, collecting cone and remote mounting
sensor socket*.
Sensepoint XCD ensures easy installation
and the fastest routine operation by removing
the need for hot work permits in hazardous
areas. Using easy to replace plug-in sensors,
downtime is also reduced and on-going costs
are minimised through the use of poison
resistant flammable sensors, poison immune
infrared Hydrocarbon sensors and patented
Surecell™ toxic sensors.
11
5
10
3
1 Cover
2 Display module
3 Terminal area
4 Blanking plug
5 Transmitter
6 Plug-in XCD sensor
7 Sensor retaining ring
8 Integral mounting plate
9 Weather protection assembly
10 Cable/conduit entry (x2)
11Certicationlabel
Sensepoint XCD Overview
There are three different types of the XCD
transmitter for use with three different families
of sensors.
The mV type transmitter is for use with the
mV family of XCD sensors including catalytic
sensors to detect flammable gases in the
range 0-100%LEL and infrared (IR) sensors
for detection of Hydrocarbon gases in the
range 0-100%LEL and 0-100%Vol*, as well as
Carbon Dioxide (CO
) in the range 0-2%Vol.
2
The EC type transmitter is for use with
the EC family of XCD sensors including
Carbon Monoxide (CO), Hydrogen Sulfide,
S) and Hydrogen (H2).
(H
2
The Oxygen transmitter is for use with the
Oxygen (O
) XCD sensors.
2
A transmitter can auto-recognise any sensor
from within its sensor family. The sensor
simply plugs into the bottom of the transmitter
and the transmitter automatically configures
itself accordingly.
Sensepoint XCD Sensor Families, Gases and Ranges
Gas
Flammable 1 to 8* 20.0 to 100.0%LEL 100%LEL 10%LEL
mV
Methane 20.0 to 100.0%LEL 100%LEL 10%LEL
Methane 20 to 100%Vol.* 100%Vol. 10%Vol.
Carbon Dioxide 0.1 to 2%Vol. 2%Vol. 0.1%Vol.
Sensor Family
Hydrogen Sulfide 10.0 to 100.0ppm 50.0ppm 0.1ppm
EC
Carbon Monoxide 100 to 1,000ppm 300ppm 100ppm
Hydrogen 1,000ppm only 1,000ppm n/a
2
O
Oxygen 25.0%Vol. only 25.0%Vol. n/a
User Selectable
Full Scale Range
Catalytic Bead Sensors
Infrared Sensors
Electrochemical Sensors
mV Transmitter
Default
Range
EC Transmitter
Steps
Selectable Cal
Gas Range
30 to 70% of selected
full scale range
20.9%Vol. (Fixed) 20.9%Vol.
Default Cal Point
50%LEL
50%LEL
50%Vol.
1%Vol.
10ppm
100ppm
500ppm
O2 Transmitter
Ready, Steady, Go!
Sensepoint XCD uses three instantly
recognisable ‘traffic light’ colours to indicate
its status. The large tri-colour backlit LCD
is steady green to indicate normal operation,
flashes yellow to indicate a fault/warning
and flashes red to indicate an alarm. This
allows anyone in the area to clearly see at a
glance the status of any detector. This can be
particularly useful to identify detector status if
the detector is located in a difficult to access
area or if a number of detectors are located in
the same area.
IR Methane %LEL
IR Methane %Vol*
EC CO
2
EC H
0-100%LEL)
4
IR Carbon Dioxide %Vol
(default CH
Catalytic Flammable 1* to 8* %LEL
S
2
EC H
Normal Fault/Warning Alarm
2
EC O
XCD is the right choice for a variety of demanding industrial applications
Building
Environment (Detected by XCD)
SpecicArea
• Raw material storage
• Process Areas
Chemical Plants
• Laboratories
• Pump rows
• Compressor stations
• Loading/unloading areas
• Exploration drilling rigs
• Production platforms
Oil & Gas
• Onshore oil and
gas terminals
• Reneries
• Around the boiler pipework
and burners
Power Stations
• Turbines
• Coal silos and conveyor
belt areas in older coal/oil
red stations
Waste Water
Treatment Plants
• Digesters
• Plants sumps
• H2S scrubbers
• Pumps
Boiler Rooms
• Incoming gas main
• Boiler and gas piping
• Laboratories
Hospitals
• Refrigeration plants
• Boiler rooms
Gases Present
• General
Hydrocarbons
• H2S
• NH
3
• O
2
• General
Hydrocarbons
• H2S
• CO
• O
2
• Flammable
• CH
4
• H
2
• O
2
• General
Hydrocarbons
• H2S
• CO
• O
2
• General
Hydrocarbons
• H2S
• CO
• O
2
• General
Hydrocarbons
• H2S
• CO
• O
2
Honeywell Analytics
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H_XCD_DS01082_V1_US 5/09
© 2009 Honeywell Analytics
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and Systems Integration teams
» Emergency call out, service contracts, on/
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» Complete range of spares, consumables
and accessories
HWA6181
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