Honeywell XNX™ Universal Gas Detector
Detected gases: flammables; CO2; O2; H2S; CO; SO2; NH3; CL2; ClO2; NO; NO2; H2; HF; PH3; CH4; HC. Approvals: ATEX, UL, cUL, IECEx. Housing: LM25 aluminum, SS316 stainless steel
- Supported sensor types Catalytic Bead, Electrochemical Cell, IR (point and open-path)
- Housing material Painted LM25 aluminum; optional painted SS316 stainless steel
- Output signals HART over 3-wire 4-20 mA (sink/source); optional Modbus RS-485, Foundation Fieldbus, 3 relays
- 4-20 mA signal accuracy +/- 1% FS
PRODUCT DESCRIPTION
Honeywell XNX™ Universal Gas Detector
The XNX gas detector is a complete solution designed to operate in hazardous locations, using sensor technology to detect toxic or flammable gas hazards and oxygen depletion with infrared, catalytic bead or electrochemical sensors.
Specifications:
Measured gases: O2 (0-25%), H2S (0-50ppm or 0-500ppm), CO ( 0-1000ppm), SO2 (0-20ppm or 0-50ppm), NH3 (0-200ppm or 0-1000ppm), Cl2 (0-20ppm or 0-1ppm), NO (0-100ppm), NO2 (0-50ppm), H2 (0-1000ppm or 0-10000ppm), HCL (0-20ppm), HF (0-12ppm), O3 (0-0.4ppm), PH3 (0-1.2ppm), CO2 (0-5% Vol), CH4 (0-5%Vol or 0-100% LEL), Flammable (0-100%LEL)
Supports all three sensor types: Catalytic, Electrochemical Cell and IR
Housing material: Aluminum 25, SS316 stainless steel
Output signals: 4-20mA (sink, source), HART, Modbus, Relay (option)
Accuracy: +/- 1% of full scale
Operating temperature: -40°C to +65°C
Humidity: 20% – 90%
IP: NEMA 4X IP65
Power supply: 18VDC – 32 VDC
Approvals: ATEX: Ex II 2 G D, EEx [ia] IIC T5 (Tamb -40°C to +65°C) UL: Class I, Div 1, Groups B, C, and D / Class 1, Zone 1 AEx d IIC T5 (Tamb -40°C to +65°C) CSA: Class I, Div 1, Groups B, C, and D T5 (Tamb -40°C to +65°C)
SIL Level: SIL 2
Three-color red, yellow and green display lets operators easily recognize faults from a distance
Self-test and fault diagnostics
TECHNICAL SPECIFICATIONS
Specifications of Honeywell XNX
| PARAMETER | VALUE |
|---|---|
| Model | XNX Universal Transmitter |
| Supported sensor types | Catalytic Bead, Electrochemical Cell, IR (point and open-path) |
| Housing material | Painted LM25 aluminum; optional painted SS316 stainless steel |
| Output signals | HART over 3-wire 4-20 mA (sink/source); optional Modbus RS-485, Foundation Fieldbus, 3 relays |
| 4-20 mA signal accuracy | +/- 1% FS |
| Operating temperature | -40 °C to +65 °C (sensor dependent) |
| Humidity | 20% - 90% RH (non-condensing) |
| Power supply | 18 VDC - 32 VDC (24 V nominal) |
| SIL Level | SIL 2 |
| Brand | Honeywell |
| Ingress protection | NEMA 4X IP65 |
Specifications may vary with the ordered configuration. Contact a CAD engineer for sizing to your actual operating conditions.
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