Honeywell XNX-UTSV-NNIV1 Universal Transmitter 316SS NPT HART 0-100% LEL

XNX-UTSV-NNIV1 – XNX Universal Transmitter

Brand: Honeywell Analytics
Model: XNX-UTSV-NNIV1
Type: XNX Universal Transmitter
Approval: UL / CSA (Class I, Div 1, Groups B,C,D)
Entry: 5 x ¾” NPT
Material: Painted 316 Stainless Steel
Personality: Millivolt interface – for MPD, Sensepoint, Model 705 HT & PPM sensors
Local HART: None (HART over 4-20 mA standard)
Sensor: IR methane 0-100% LEL (or 0-5% Vol.)

Product Insight – Oiltech Controls Review

The XNX-UTSV-NNIV1 offers a universal platform for Honeywell Analytics’ gas sensors. It delivers HART over 4-20 mA as standard. This simplifies integration with existing control systems. The painted 316 stainless steel enclosure ensures corrosion resistance in harsh environments. UL/CSA approval qualifies it for North American hazardous areas. This model includes a factory-fitted MPD IR methane sensor (0-100% LEL).

Key Technical Features

• Multi-sensor support: Accepts millivolt inputs from MPD, Sensepoint, and Model 705 series
• Standard HART: Digital communication over 4-20 mA without extra options
• Rugged construction: Painted 316 SS, IP66/67, NEMA 4X
• Methane detection: 0-100% LEL (or 0-5% Vol.) infrared sensor included
• Multiple entries: Five ¾” NPT conduit entries for flexible wiring
• Wide operating range: -40°C to +65°C, 0-99% RH

Technical Specifications

• Measurement range: 0-100% LEL / 0-5% Vol. methane (IR)
• Frequency response: T90 < 30 seconds (typical)
• Sensitivity: ±2% of full scale
• Linearity: ±3% of full scale
• Resolution: 0.1% LEL
• Temperature: -40°C to +65°C
• Humidity: 0-99% RH non-condensing
• Pressure: 90-110 kPa
• EMI immunity: EN 61000-6-2, -4 compliant
• Power: 12-30 VDC, 4W max
• Output: 4-20 mA (sink/source) with HART

Installation & Commissioning

• Mounting: Surface mount via lugs; optional pipe kit (Ø100-150 mm)
• Wiring: Use ¾” NPT entries, shielded cable for 4-20 mA loop
• Commissioning: Power up, verify sensor reading via HART or local display
• Calibration: Zero and span using magnetic switch or HART
• Grounding: Connect earth to terminal for safety and noise reduction

Diagnostics & Health Monitoring

• HART provides continuous sensor health status
• Fault memory and calibration due alerts
• Ambient temperature and signal strength logs
• LED indicators: green (normal), yellow (warning), red (fault)
• Remote diagnostics via AMS or handheld configurator

Compatibility

• Works with MPD, Sensepoint, Model 705 HT, and PPM sensors
• Interfaces with Honeywell controllers, Modicon Quantum, Allen‑Bradley, Siemens PLCs
• HART 7 compatible – easy integration with asset management systems

Certifications

• UL / CSA: Class I, Division 1, Groups B, C, D
• ATEX / IECEx: (pending for this variant)
• NEMA 4X, IP66/67 enclosure
• Marine type approval (DNV-GL optional)

Package Contents

• XNX-UTSV-NNIV1 transmitter with MPD IR methane sensor
• 5 x ¾” NPT conduit plugs
• Mounting bracket and hardware
• Quick start guide and full manual (digital)
• Factory calibration certificate
• Warranty registration card

Shipping & Warranty

• 12-month warranty from shipment date
• 24-28 hours dispatch for in-stock items
• Shipping: FedEx, UPS, DHL – global express
• All units tested before packaging

Typical Applications

• Natural gas pipelines and compressor stations
• Refineries and petrochemical plants
• Offshore platforms and FPSO vessels
• Gas turbine enclosures
• Landfill and biogas monitoring

Professional FAQ – Selection Guidance

Q1: Can I use this transmitter with a different IR sensor?

The personality is fixed for millivolt sensors. For other IR heads (e.g., Searchpoint), choose a different personality board. Always verify sensor output type before ordering.

Q2: Does the HART feature require any extra hardware?

No. HART is embedded in the 4-20 mA output. Use a HART communicator or DCS with HART capability to access diagnostics.

Q3: What is the difference between 0-100% LEL and 0-5% Vol.?

LEL is the lower explosive limit, used for safety monitoring. 0-5% Vol. is the absolute concentration range. This unit supports both; you can select via HART.

Q4: How often should I calibrate the sensor?

We recommend calibration every 3-6 months depending on application. Use methane span gas. The HART log reminds you when due.

Q5: Is this unit suitable for SIL 2 applications?

Yes, with proper configuration and external safety logic. The transmitter meets SIL 2 requirements per IEC 61508 when used with suitable PLC.

Why Buy From Oiltech Controls?

• Over 15 years in industrial automation spare parts
• Global shipping – fast delivery via FedEx/UPS/DHL
• We offer tested surplus and refurbished options
• 12-month warranty on every product
• Technical verification performed before shipment
• Support for obsolete control systems, including Modicon Quantum

Contact us for inquiries:
Email: info@oiltechcontrols.com
WhatsApp: +86 158 8020 0923

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