Honeywell Sensepoint XCD Data sheet

Sensepoint XCD

Flammable, toxic and oxygen gas detector for industrial applications

Use 3 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

Electrical

Input Voltage Range 12 to 32VDC (24VDC nominal) Max Power Consumption Maximum power consumption is dependent on the type of gas sensor being used. Electrochemical cells = 3.7W, IR = 3.7W

Current Output Sink or source Relays 3 x 5A@250VAC. Selectable normally open or normally closed (switch) and energized/de-energised (programmable)

Communication RS485, MODBUS RTU

Construction

Material Housing: Epoxy painted aluminium alloy ADC12 or 316 stainless steel Sensor: 316 stainless steel

Weight (approx) Aluminium Alloy LM25: 4.4lbs 316 Stainless Steel: 11lbs

Mounting Integral 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 Entries UL\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

Environmental

IP Rating IP66 in accordance with EN60529:1992

Certified Temperature Range 40ºF to +149ºF (-40ºC to +65ºC)

Detectable Gases and XCD Sensor Performance

Gas User Selectable

Electrochemical Sensors

Oxygen 25.0%Vol. only 25.0%Vol. n/a 20.9%Vol. (Fixed) 20.9%Vol. <30 <±0.5%Vol. -20°C / -4°F 55°C / 131°F 19.5%Vol.

Hydrogen Sulfide* 10.0 to 100.0ppm 50.0ppm 0.1ppm

Carbon Monoxide** 100 to 1,000ppm 300ppm 100ppm 100ppm <30 <±6ppm -20°C / -4°F 55°C / 131°F 30ppm p 100ppm p

Hydrogen 1,000ppm only 1,000ppm n/a 500ppm <65 <±25ppm -20°C / -4°F 55°C / 131°F 200ppm p 400ppm p

Nitrogen Dioxide*** 10.0 to 50.0ppm 10.0ppm 5.0ppm 5.0ppm <40 <±3ppm -20°C / -4°F 55°C / 131°F 5.0ppm p 10.0ppm p

* 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 8 20.0 to 100.0%LEL 100%LEL 10%LEL 50%LEL <25 <±1.5%LEL -20°C / -4°F 55°C / 131°F 20%LEL

Infrared Sensors

Methane 20.0 to 100.0%LEL 100%LEL 10%LEL 50%LEL <30 <±1.5%LEL -20°C / -4°F 50°C / 122°F 20%LEL

Propane 20 to 100%LEL 100%LEL 10%LEL 50%LEL <30 <±1%LEL -20°C / -4°F 50°C / 122°F 20%LEL p 40%LEL p

Carbon Dioxide 2%Vol. only 2%Vol. n/a 1%Vol. <30 <±0.04%Vol. -20°C / -4°F 50°C / 122°F 0.4%Vol. p 0.8%Vol. p

NOTE: For Cat Bead and Infrared sensors, Lowest Detectable Limit is 5% LEL and Lowest Alarm Level is 10% LEL.

Certification

US, Latin America, Canada UL/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 European ATEX Ex II 2 GD Ex d IIC Gb T6 (Ta -40ºC to +65ºC) Ex tb IIIC T85°C Db IP66 International IEC Ex d IIC Gb T6 (Ta -40ºC to +65ºC) Ex tb IIIC T85°C Db IP66

EMC CE: EN50270:2006 EN6100-6-4:2007

Performance UL508; CSA 22.2 No. 152 (flammable gasses, excludes infrared sensors); ATEX, IEC/EN60079-29-1:2007, EN45544, EN50104, EN50271; China: PA Pattern

Oxygen hazards. Incorporates a transmitter with local display and fully configurable via non-intrusive magnetic switch interface.

and catalytic = 4.9W. Maximum inrush current = 800mA at 24VDC

Alarm relays default normally open/de-energized. Fault relay default normally open/energized

Full Scale Range

Measurement (for transmitter and toxic gas sensors) “CCCF” Shenyang for Flammable (fire dept approval)

Default

Range

Steps User Selectable

Cal Gas Range

30 to 70% of selected

full scale range

Point

Response Time

(T90) Secs

Default Cal

25ppm <50 <±1ppm -20°C / -4°F 55°C / 131°F 10ppm p 20ppm p

Accuracy Operating Temperature

Min Max

Default Alarm Points

A1 A2

p - Rising Alarm q - Falling Alarm

Find out more

www.honeywellanalytics.com Toll-free: 800.538.0363

Please Note:

While every effort has been made to ensure accuracy in this publication, no responsibility can be accepted for errors or omissions. Data may change, as well as legislation, and you are strongly advised to obtain copies of the most recently issued regulations, standards, and guidelines. This publication is not intended to form the basis of a contract.

q 23.5%Vol. p

p 40%LEL p