XNX’s advantage comes from a simple-to-use, low-maintenance universal platform that works with other safety equipment on a digital bus system, including Honeywell Analytics’ own Searchline Excel, Optima or other gas detectors, industry standard PLCs and third-party gas monitoring controllers.
XNX supports Electrochemical, Infrared and Catalytic Bead gas monitors and uses standard 4-20mA wiring and HART; options include Modbus, Fieldbus (pending) up to three relays and a local Hart Adapter for configuration and diagnostics using existing HART handheld devices.
With 200+ unique configurations, XNX satisfies Class 1/Class 2 intrinsically safe, explosion-proof requirements in upstream/downstream oil, chemical, wastewater and other industries.
The enclosure is available in stainless steel or aluminum, with a marine-grade coating. Five threaded ports, available in metric or NPT versions, and ruggedized mounting options provide ultimate installation flexibility. Instrumentation built on various sensing technologies can be attached locally to the transmitter or remotely with the appropriate accessories.
Electrochemical
- Proven electrochemical sensing technology
- Surecell™ electrochemical cells are ideal for hot and humid environments
- Long life sensing cells (typical >2 years)
- Patented ‘Reflex’ sensing element verification diagnostics
- Sensor recognition software auto configures transmitter
- Plug and play factory configured sensors
- Intrinsically safe sensor connection permits hot swap, reducing down time
Catalytic Bead
- Supports Honeywell Analytics 705, 705HT, Sensepoint, Sensepoint HT and MPD sensors
- Fast response to wide range of hydrocarbons and flammables
Infrared (Open Path IR, Point IR, IR Cell)
- Supports Honeywell Analytics Searchline Excel, Searchpoint Optima Plus
- Failsafe operation
- Fast speed of response
- Reduced routine maintenance
- Immune to catalytic poisons
- Long operating life
- Works in inert atmospheres
| Technical Specifications | |
|---|---|
| Material | Housing: 5-coat marine finish painted aluminium alloy LM25 or 316 stainless steel |
| Weight (approx) | Aluminium alloy LM25 : 2.8kg (6.2lbs). 316 stainless steel: 5kg (11lbs) |
| Mounting | Surface mount via integral mounting lugs. Optional pipe mounting kit suitable for Ø100mm to 150mm (Ø4” to 6”) pipe. Optional ceiling mounting bracket |
| Entries | 5 conduit/cable entries (2 right, 2 left, 1 bottom). Entry size M25 for ATEX/IECEx versions or ¾”NPT for UL/CSA certified versions |
| Dimensions | 160mm x 197mm x 114mm (6.1″ x 7.8″ x 4.5″) |
| IR Rating | IP66 in accordance with EN60529:1992. NEMA 4X |
| Operating Temperature | -40ºC to +65ºC (-40ºF to +149ºF) |
| Operating Humidity | 0-99%RH (non condensing) |
| Operating Pressure | 90-110kPa |
| Storage Conditions | -40ºC to 75ºC (-40ºF to 167ºF), 0-99% non-condensing |
| Operating Voltage | 18 – 24 VDC Nominal (EC & mV units 16 – 32 VDC; IR units 18-32 VDC [Class 2 supply required]) |
| Power Consumption | XNX used with: electrochemical sensor: 6.2 watts, millivolt (catalytic bead or IR cell)” 6.5 watts: point infrared sensor (Searchpoint Optima): 9.7 watts; open-path Infrared (Searchline Excel): 13.2 watts |
| Hazardous Area Approvals |
UL, cUL classified: UL 1203 and 913 Seventh edition; CSA, CSA 22.2 No. 30, CSA 22.2 No. 157
Class 1, Division 1, Groups B, C, D / Class 1, Zone 1, Groups IIB + H2 T4 Tamb -40c to 65c
DEMKO* IEC 60079-0, 4th ED; IEC 60079-15th Ed; IEC 60079-11 5th Ed. NCC INMETRO
Type Approval: EX [ia]d IIB + H2 T4 Tamb -40c to 65c
|
| Gas | Cartridge P/N | Selectable Full Scale Range |
|---|---|---|
| O2 | XNXXSO1SS | n/a |
| H2S (LoLo) | XNXXSH3SS | n/a |
| H2S (Lo) | XNXXSH1SS | 10.0 to 50.0ppm |
| H2S (Hi) | XNXXSH2SS | 50 to 500ppm |
| CO | XNXXSC1SS | 100 to 500ppm |
| SO2(Lo) | XNXXSS1SS | 5.0 to 20.0ppm |
| SO2(Hi) | XNXXSS2SS | 20.0 to 50.0ppm |
| NH3(Lo) | XNXXSA1SS | 50 to 200ppm |
| NH3(Hi) | XNXXSA2SS | 200 to 1,000ppm |
| CL2(Lo) | XNXXSL2SS | n/a |
| CL2(Hi) | XNXXSL1SS | 5.0 to 20.0 ppm |
| CIO2 | XNXXSX1SS | n/a |
| NO | XNXXSM1SS | n/a |
| NO2 | XNXXSN1SS | 5.0 to 50.0 ppm |
| H2 (Lo) | XNXXSG1SS | n/a |
| H2 (Hi) | XNXXSG2SS | n/a |
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