Electrical

Input   Voltage Range

16 to 32VDC (24VDC nominal)

Max   Power Consumption

Maximum power consumption is dependent on   the type of gas sensor being used. Electrochemical cells = 3.7W

Maximum inrush current = 800mA at 24VDC

Current   Output

Sink or source

Relays

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

Communication

RS485

Construction

Material

Housing: Epoxy painted aluminium alloy   LM25 or 316 stainless steel

Sensor: Polyphenylene sulfide (PPS) (see   Sensepoint specifications)

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

2 x ¾”NPT conduit entries. Suitable   blanking plug supplied for use if only 1 entry used. Seal to maintain IP   rating

Environmental

IP   Rating

IP67 in accordance with EN60529:1992

Certified   Temperature Range

40ºF to +149ºF (-40ºC to +65ºC)

Certification

US,   Latin America, Canada

cCSAus Ex d IIB+H2; Class I, Zone 1, AEx   d IIB+H2; Class I, Division 2, Groups B, C & D

Class I, Zone 1, AEx d ia IIC Gb; Class   I, Div. 2, Groups B, C and D

Inmetro Ex d IIC T6 Gb, Ex tb IIIC T85ºC   Db, IP66, -40ºC < ta < +65ºC

EMC

CE: EN50270:2006 EN6100-6-4:2007, Ex d   IIC T6 Gb, Ex tb IIIC T85ºC Db, IP66, -40ºC < ta < +65º C

Standards

CAN/CSA-C22.2 No. 0-M91, CAN/CSA-C22.2   No. 60079-0:07, CAN/CSA-E60079-11:02, CAN/CSA-C22.2 No. 60079-1:07, ANSI/UL   60079-11:09, ANSI/UL 60079-1:09,

C22.2 No. 142-M1987, C22.2 No. 213-M1987,   UL 508 17th Ed., ANSI/ISA -12.12.01-2010 ABNT NBR IEC 60079-0:2008, ABNT NBR   IEC 60079-1:2009, IEC 60079-

31:2008 e ABNTNBR IEC 60529:2009.