Sensepoint XCD Series

For areas that have flammable gases, toxic gases, and oxygen readings, the Sensepoint XCD Series is an ideal all-in-one sensor. This sensor is designed to detect a wide range of gases, such as methane, propane, and butane, working to mitigate the risk of an explosion.
The Sensepoint XCD Series works both inside and outside and is best suited for areas that have high concentrations of explosive gases and/or low concentrations of oxygen.

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General Specifications

Use3 wire, 4-20mA and RS485 MODBUS output fixed point detector with in-built alarm and fault relays for the protection of personnel and plant from flammable, toxic and Oxygen hazards. Incorporates a transmitter with local display and fully configurable via non-intrusive magnetic switch interface.
Input Voltage Range12 to 32VDC (24VDC nominal)
Max Power ConsumptionMaximum power consumption is dependent on the type of gas sensor being used. Electrochemical cells = 3.7W, IR = 3.7W and catalytic = 4.9W. Maximum inrush current = 800mA at 24VDC
Current Output RelaysSink or source 3 x 5A@250VAC. Selectable normally open or normally closed (switch) and energized/de-energised (programmable) Alarm relays default normally open/de-energized. Fault relay default normally open/energized
CommunicationRS485, MODBUS RTU
MaterialHousing: Epoxy painted aluminium alloy ADC12 or 316 stainless steel Sensor: 316 stainless steel
Weight (approx)Aluminium Alloy LM25: 4.4lbs 316 Stainless Steel: 11lbs
MountingIntegral mounting plate with 4 x mounting holes suitable for M8 bolts. Optional pipe mounting kit for horizontal or vertical pipe Ø1.5 to 3" (2" nominal)
Cable EntriesUL\cUL versions: 2 x ¾”NPT conduit entries. Suitable blanking plug supplied for use if only 1 entry used. Seal to maintain IP rating; ATEX/IECEx versions: 2 x M20 cable entries
IP RatingIP66 in accordance with EN60529:1992
Certified Temperature Range-40ºF to +149ºF (-40ºC to +65ºC)
Detectable Gases and XCD Sensor Performance
GasDefault RangeStepsDefault Cal PointResponse Time (T90) SecsAccuracy
Electrochemical Sensors
Oxygen25.0%Vol. n/a20.9%Vol.<30<±0.5%Vol.
Hydrogen Sulfide*50.0ppm0.1ppm25ppm<50<±1ppm
Carbon Monoxide**300ppm100ppm100ppm<30<±6ppm
Nitrogen Dioxide***10.0ppm5.0ppm5.0ppm<40<±3ppm
* Lowest Alarm Limit =1ppm; Lowest Detection Limit = .5ppm
** Lowest Alarm Limit =15 ppm; Lowest Detection Limit = 10ppm
*** Lowest Alarm Limit =0.6 ppm; Lowest Detection Limit = 0.3ppm
Catalytic Bead Sensors
Flammable 1 to 8100%LEL10%LEL50%LEL<25<±1.5%LEL
Infrared Sensors
Carbon Dioxide2%Vol.n/a1%Vol.<30<±0.04%Vol
US, Latin America, CanadaUL/c-UL - Class I, Division 1, Groups B, C and D, Class I, Division 2, Groups B, C & D, Class II, Division 1, Groups E, F & G, Class II, Division 2, Groups F & G. -40°C to +65°C
EuropeanATEX Ex II 2 GD Ex d IIC Gb T6 (Ta -40ºC to +65ºC) Ex tb IIIC T85°C Db IP66
InternationalIEC Ex d IIC Gb T6 (Ta -40ºC to +65ºC) Ex tb IIIC T85°C Db IP66
EMCCE: EN50270:2006 EN6100-6-4:2007
PerformanceUL508; CSA 22.2 No. 152 (flammable gasses, excludes infrared sensors); ATEX, IEC/EN60079-29-1:2007, EN45544, EN50104, EN50271; China: PA Pattern Measurement (for transmitter and toxic gas sensors) “CCCF” Shenyang for Flammable (fire dept approval)

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