{"product_id":"xnx-utav-nhnnn-honeywell-gas-transmitter-xnx-series","title":"XNX-UTAV-NHNNN Honeywell Gas Transmitter - XNX Series","description":"\u003ch2\u003e\u003cstrong\u003eHoneywell XNX-UTAV-NHNNN Universal Transmitter – Reliable Gas Detection for Demanding Industrial Environments\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Honeywell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eXNX-UTAV-NHNNN\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e XNX Universal Transmitter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement Range:\u003c\/strong\u003e 0–100% LEL for combustible gases; 0–100 ppm for toxic gases (sensor dependent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 0–10 Hz typical for electrochemical sensors; 0–20 Hz for catalytic bead sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 1% LEL for combustible sensors; 0.1 ppm for many toxic sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinearity:\u003c\/strong\u003e ±2% of full scale for most sensor types\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.1% LEL or 0.1 ppm depending on the sensor and range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e −40°C to +65°C (−40°F to +149°F) operating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Tolerance:\u003c\/strong\u003e NEMA 4X \/ IP66 stainless steel housing; resists corrosion, dust, and water ingress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Interference:\u003c\/strong\u003e EMI\/RFI protection meets industrial EMC standards; shielded electronics reduce false alarms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e 4–20 mA analog plus Modbus RTU digital communication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Power:\u003c\/strong\u003e 24 VDC nominal (10–30 VDC range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e Backlit LCD with real-time gas concentration and status indicators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 2-inch pipe mount or wall mount; remote sensor option available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e ATEX, IECEx, UL, CSA, and INMETRO compliant versions available (specific approval depends on configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChoose a mounting location where gas accumulation is likely and airflow is representative.\u003c\/li\u003e\n\u003cli\u003eMount the transmitter vertically using a 2-inch pipe or a sturdy wall bracket.\u003c\/li\u003e\n\u003cli\u003eKeep the sensor inlet free from dirt, water, and direct spray from cleaning processes.\u003c\/li\u003e\n\u003cli\u003eConnect 24 VDC power using shielded cable to reduce electrical noise pickup.\u003c\/li\u003e\n\u003cli\u003eRoute the 4–20 mA signal and Modbus wires separately from high-voltage lines.\u003c\/li\u003e\n\u003cli\u003eFor remote sensor mounting, use Honeywell-approved cable and junction boxes only.\u003c\/li\u003e\n\u003cli\u003eAfter wiring, verify the zero and span readings with certified calibration gas.\u003c\/li\u003e\n\u003cli\u003eSet alarm relay thresholds according to your site safety procedures.\u003c\/li\u003e\n\u003cli\u003ePerform a full functional test before putting the transmitter into normal service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUniversal design accepts a wide range of Honeywell sensors for combustible and toxic gases.\u003c\/li\u003e\n\u003cli\u003eStainless steel housing stands up to corrosive and wet industrial conditions.\u003c\/li\u003e\n\u003cli\u003eFast response time supports early warning and quick operator action.\u003c\/li\u003e\n\u003cli\u003eHigh linearity and stable resolution reduce calibration frequency and drift.\u003c\/li\u003e\n\u003cli\u003eModbus RTU output simplifies integration with PLCs and SCADA systems.\u003c\/li\u003e\n\u003cli\u003eBacklit LCD shows gas readings clearly in low-light areas.\u003c\/li\u003e\n\u003cli\u003eRemote sensor option lets you place the transmitter in a safe, accessible area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging List\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Honeywell \u003cstrong\u003eXNX-UTAV-NHNNN\u003c\/strong\u003e Universal Transmitter\u003c\/li\u003e\n\u003cli\u003e1 × Mounting bracket and hardware kit\u003c\/li\u003e\n\u003cli\u003e1 × Quick start guide\u003c\/li\u003e\n\u003cli\u003e1 × Sensor cartridge (if ordered with sensor)\u003c\/li\u003e\n\u003cli\u003e1 × Weatherproof cable gland\u003c\/li\u003e\n\u003cli\u003e1 × Terminal block label set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping and Support\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWe keep this model in stock and ship within 5 business days after order confirmation.\u003c\/li\u003e\n\u003cli\u003eWe use FedEx, UPS, and DHL for fast and trackable international delivery.\u003c\/li\u003e\n\u003cli\u003eWe accept returns within 30 days for eligible items in original condition.\u003c\/li\u003e\n\u003cli\u003eWe provide new original products only, sourced through authorized channels.\u003c\/li\u003e\n\u003cli\u003eContact our team for wiring diagrams, sensor selection, and calibration guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What gases can the \u003cstrong\u003eXNX-UTAV-NHNNN\u003c\/strong\u003e detect?\u003c\/strong\u003e\u003cbr\u003eA: This transmitter supports combustible gases in % LEL and toxic gases in ppm when you install the correct Honeywell sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eA: The unit works from −40°C to +65°C, making it suitable for many outdoor and process areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does it have Modbus output?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it provides Modbus RTU alongside the standard 4–20 mA analog signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How often should I calibrate it?\u003c\/strong\u003e\u003cbr\u003eA: Most industrial sites calibrate every 3 to 6 months, but check your local safety rules and sensor type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I mount the sensor remotely?\u003c\/strong\u003e\u003cbr\u003eA: Yes, Honeywell offers remote mounting options with approved cable and junction boxes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the lead time?\u003c\/strong\u003e\u003cbr\u003eA: We have stock available and dispatch within 5 days using DHL, FedEx, or UPS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your return policy?\u003c\/strong\u003e\u003cbr\u003eA: We support 30-day returns for eligible products that remain in original condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48531500171522,"sku":"XNX-UTAV-NHNNN","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/XNX-UTAV-NHNNN-9.jpg?v=1789958804","url":"https:\/\/www.nex-auto.com\/products\/xnx-utav-nhnnn-honeywell-gas-transmitter-xnx-series","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}