XNX-UTAV-NNCB1 Honeywell XNX Universal Gas Detector
Product Overview
The XNX-UTAV-NNCB1 is a universal gas detector transmitter from Honeywell Analytics. It includes an MPD catalytic bead sensor for 0-100% LEL flammable gas detection. This model supports UL/CSA approval and features a rugged painted aluminum enclosure with 4 x 3/4″ NPT entries. It provides a fast response to a wide range of hydrocarbons and flammables. The transmitter delivers a HART® over 4-20mA output for seamless integration.
Why Buy From Oiltech Controls?
- Over 15 years of experience in industrial automation spare parts.
- Reliable global shipment support with FedEx, UPS, or DHL.
- All products are tested and verified before shipment.
- 12-month warranty on every unit.
- Support for obsolete control systems, including Modicon Quantum.
- Technical verification ensures performance and safety.
Technical Specifications
| Brand | Honeywell |
| Model | XNX-UTAV-NNCB1 |
| Product Series | XNX Universal Transmitter |
| Approval | UL / CSA (U = UL-CSA) |
| Entry Type | ¾” NPT (T = ¾” NPT) |
| Material | Painted Aluminium (A = Aluminium) |
| Personality | mV interface for millivolt sensors; supports MPD, Sensepoint, Model 705 HT, PPM sensors, and electrochemical cartridges (includes IS barrier and adaptor) |
| Local HART | Not installed (N) |
| Option | No option installed (N) |
| Sensor Type | Catalytic Bead (CB1) – supports Honeywell Analytics 705, 705HT, Sensepoint, Sensepoint HT, and MPD sensors |
| Measurement Range | 0 – 100% LEL |
| Output Signal | HART® over 4-20mA |
| Frequency Response | Fast response to hydrocarbons and flammables |
| Sensitivity | High sensitivity for LEL detection |
| Linearity | Excellent linearity across full range |
| Resolution | High resolution for precise measurement |
| Temperature Range | Operates in industrial ambient conditions |
| Environmental Tolerance | Designed for harsh environments |
| Immunity | Resistant to electrical and mechanical interference |
| Diagnostic Capability | Built-in self-diagnostics with fault indication |
Installation & Mounting
- Enclosure with 4 x ¾” NPT entries for flexible wiring.
- Mounting holes for secure wall or pipe installation.
- Compatible with standard junction boxes and conduit.
- Ensure proper sealing for hazardous area compliance.
Commissioning & Maintenance
- Easy access to sensor and electronics for calibration.
- Local interface simplifies zero and span adjustments.
- Routine maintenance via HART communication or local controls.
- Quick sensor replacement without special tools.
Compatibility
- Accepts MPD, Sensepoint, Model 705 HT, and PPM sensors.
- Works with Honeywell toxic and oxygen electrochemical cartridges.
- Integrates with PLC, DCS, and SCADA systems via 4-20mA and HART.
- Supports Modicon Quantum and other obsolete control platforms.
Certifications & Compliance
- UL and CSA approved for hazardous locations.
- Meets performance standards for combustible gas detection.
- ATEX / IECEx versions available (not included in this model).
- Compliant with industrial safety regulations.
Package Contents
- XNX-UTAV-NNCB1 transmitter with MPD catalytic sensor.
- Installation and user manual.
- Calibration certificate and test report.
- Mounting hardware and cable glands.
Warranty & Shipping
12-month warranty from date of purchase. Shipment via FedEx, UPS, or DHL with tracking and insurance. We offer global express delivery for urgent requirements.
Typical Applications
- Oil and gas processing facilities.
- Chemical and petrochemical plants.
- Refineries and storage terminals.
- Industrial manufacturing and power generation.
- Wastewater treatment and mining.
Diagnostics & Fault Detection
- Continuous self-monitoring of sensor and electronics.
- Fault relay output for fail-safe operation.
- HART provides detailed diagnostic data.
- Visual LED indicators for status and alarms.
Frequently Asked Questions
Q: What sensor is included?
A: This unit includes an MPD catalytic bead sensor for 0-100% LEL.
Q: Is HART communication available?
A: Yes, HART over 4-20mA output is supported.
Q: Does it work with electrochemical sensors?
A: Yes, with the mV personality interface and IS barrier.
Q: What approvals does this model carry?
A: UL and CSA certified.
Contact Oiltech Controls
For inquiries, please contact us at info@oiltechcontrols.com or via WhatsApp at +86 158 8020 0923.
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