Our engineering and management teams have decades of experience in sleep diagnostic equipment and software. Replacement YF Oxygen Sensor | Neutronics Refrigerant Analysis However, many high-order convergence multipoint iterative methods have been developed over the last . Energies | Free Full-Text | Design and Integration of the EU-DEMO Water US MGT3 Gas Monitor - Bacharach Cesstech. Add To Cart. Reliable 0 to 1000 ppm measurement range Mini-zirconia oxide ZR-400 sensor . The Bosch 13461 Premium Original Equipment Oxygen Sensor is designed for certain Hyundai Accent, Elantra, Tiburon, and Tucson models as well as Kia Rio, Soul, Spectra, and Sportage models. Note, these products are not suitable for European countries. Oxygen sensor replacement is required to return the machine to normal operation. Let our team of experts help you find the right product configuration for your application. These cookies will be stored in your browser only with your consent. 1100 Percent Oxygen Analyzer - Bacharach The current generated is directly proportional to the partial pressure of oxygen at the sensing surface of the cell. Add To Cart. NANA ELECTRONICS | Best Deals for you on Quantum First Automation Inc FGD14 CO2 Datasheet. PDF MODEL MINI-ICS Neutronics - Analyze Gas Replacement Oxygen Sensor for Neutronics ID Jr. and Robinair 16900 units. We believe sleep professionals and patients deserve it. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. 4 offers from $44.38. This display also features colored LEDs to indicate the system status and two configurable alarms that users can set to signal any necessary parameters. AGAV. (See our Email Privacy Policy for details.) Research activities carried out in the past decade, under the umbrella of the EUROfusion consortium, have allowed a quite advanced reactor architecture to be achieved. Let's take a closer look. FGD14 CO Datasheet. When your unit displays the Air Sensor Fault it is time to replace the oxygen sensor. O2 Sensor for Maxtec CAG250E, MAX-250E, Newport E360 and E500 Monitoring oxygen in ambient air and in confined spaces may also be a concern for personal safety. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); The Neutronics 3100 Percent Oxygen Analyzer is a compact analyzer that features the Neutronics rapid response zirconium oxide sensor and a measurement range of 0.1 ppm to 100% oxygen. 2yr8|E4g1p{? INIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. Replacement oxygen sensor for Robinair R-1234yf machines and refrigerant identifiers. Best for multiple display options: Innovo Premium iP900BP Pulse Oximeter. Bacharach - Safeguarding People, Places, and the Planet hbbd``b` Marsflex Oxygen O2 Sensor 234-4668 Upstream Heated Compatible with Chevy Silverado Suburban Avalanche Tahoe Malibu GMC Yukon Sierra . Do you need more information about our Gas Analysis solutions? Brand: Robinair 8 ratings $1,09249 SENSOR, REPLACEMENT O2 Replacement oxygen sensor for Robinair R-1234yf machines and refrigerant identifiers. 10 offers from $307.76. This feature is of major importance for calculations in devices, which are not equipped with the entire sensor set. 6-01-6001-23-1 Neutronics Brass Oil Restrictor Kit 24" (Each) 6-02-6001-18-8 Neutronics Flow Restrictor YF Internal Unit (597mm) Price $78.07. A flow-through mounting head allows the sensor to be horizontally or vertically mounted directly into the sampled process gas stream. Replacement For. We also use third-party cookies that help us analyze and understand how you use this website. Your 1234yf machine or identifier should provide advance notice when the oxygen sensor is nearing the end of its lifespan. The Neutronics zirconium oxide (ZrO2) sensor is a ceramic, -state device that features an extremely fast response to oxygen, a wide measurement range, and a robust design. We design and develop medical devices for the sleep diagnostic market and provide customer support for Nihon Kohden sleep customers in the USA. The Neutronics Model 3100 is a compact analyzer that features the Neutronics rapid response zirconium oxide sensor and a measurement range of 0.1 ppm to 100% oxygen. PDF Safety Data Sheet Oxygen Sensor - teledyne-ai.com The MGT3-Pellistor Fixed Flammable Gas Monitor uses pellistor sensor technology to detect hydrocarbons over the range 0 to 100% Lower Explosive Limit (LEL) or 0 to 100% volume gas, these intrinsically safe detectors are designed to be incapable of producing heat or spark sufficient to ignite an explosive atmosphere. 1-16-1013-00-2 Neutronics ,Bacharach Identifier O2 Sensor - Tess Tools Do you need more information about our Gas Analysis solutions? Copyright 2023, Get the latest from Bacharach in your inbox. It provides2.0% accurate readings within 10 seconds. Show details This item: Robinair 16916 - CoolTech ID Plus Refrigerant Identifier O2 Sensor Equipment City Robinair 16916 Replacement O2 Sensor Home Catalog Robinair 16916 Replacement O2 Sensor Only 1 left in stock! #10. A range of trace oxygen analyzers utilizing Michell's Metallic Sealed Reference Sensor (MSRS) technology. PDF MODEL OA-1S+ Neutronics - Analyze Gas Engine Management - Engine Management - Bosch Auto Parts Model 7100E Sensor The Neutronics ZR-400E mini-zirconia percent range oxygen sensor (Figure 3) is a cost effective solution for many applications. The Neutronics 7100 Series of high purity oxygen analyzers feature a mini-zirconia sensor that measures oxygen content in parts per million (ppm) ranging from 0 to 100. (PDF) Copper benchmark experiment for the testing of JEFF-3.2 nuclear Aerospace | Free Full-Text | Numerical Analysis of Glauert Inflow But opting out of some of these cookies may have an effect on your browsing experience. When your unit displays the "Air Sensor Fault" it is time to replace the oxygen senson. The oxygen sensor (or O2 sensor) is a key component of your vehicle's emissions system and dates back to the earliest days of electronic engine controls. 16913 Robinair / Neutronics Identifier Filter. 16913 Robinair / Neutronics Identifier Filter. Copyright 2023 Maxtec. The sensor can be set to detect either methane or general hydrocarbons. from date of shipment Calibration Gas:Ambient Air Calibration Period:Weekly (typical) Measurement Range:25% oxygen by volume Resolution:0.01% oxygen Response Time:90% of step change in less than 15 sec. Manufactured by NEUTRONICS representative photo click to zoom Weight: 0.40 lbs Estimated Value - 679.00 Save as much as 55% Last Value Update: 10/27/2021 Have you seen this for less? Through years of direct customer feedback, we realized there was a need for high-quality, dependable sensors that produce accurate signals -- all night, every night. NEUTRONICS 7100E INSTRUCTION MANUAL Pdf Download | ManualsLib Oxygen Sensors (O2 Sensors): How They Work & What They Do GazTrak Datasheet. The CAG-250E electrochemical sensor ensures reliable performance and fast response for critical measurements. One configuration houses the sensor inside the body of the monitor, and the other allows the sensor to be mounted remotely in stainless steel flow-through housing. 5 Best Finger Pulse Oximeters - Healthline Refrigerant Identifiers & Accessories - Century Tool This sensor can be mounted vertically or horizontally directly in the sample process gas stream for fast analysis. O2 Sensor - Oxygen Sensors for Your Car, Truck or SUV - AutoZone.com Robinair 16916 - R-1234yf Oxygen Sensor | TEquipment )` }c`QZag e.KC -pbjLO|xPzM. Trace Oxygen Analyzer and Remote Sensing Module (RSM) The Neutronics Model 3100 Compact Fast Response Oxygen Analyzer for high purity process control applications PPM to 100% measurement range Rapid-response Neutronics zirconium oxide sensor 5 year sensor life T90 < 5 seconds Less than 10 seconds from air to ppm levels The Neutronics 3100 Percent Benets Inert gas blanketing protects plant personnel, products, and plant assets by reducing the oxygen content in the vapor space of a tank or process vessel. 1-16-1013-00-0 Neutronics Replacement Oxygen Sensor For Neutronics ID Jr. and Robinair 16900 units. This technology allows the sensor to withstand high levels of acidic gases like CO2 and CO without degradation. Gasenz Electrical Connections Manual. Peters MO 63304, 1-16-1013-00-0 Neutronics Replacement Oxygen Sensor For Neutronics ID Jr. and Robinair 16900 units. 2 offers from $299.00. Mesa Industrie-Elektronik GmbH Order now! Using this sensor, the air and fuel ratio of your car or any other vehicle can be adjusted to maintain it at 14:7:1, which is the appropriate value for smooth performance. Oxygen measurement and control to trace or enriched levels is critical in many industries including the semiconductor manufacturing or even the pharmaceutical industry. $699 usd. Axle Nut Set VW Audi | Assenmacher Specialty Tools | 6506 - Toolsource.com Fluke [VT Mobile]; Maxtec [OM-25A]; Mercury Medical [10-103-11]; Pacifitech [PT-250]; Teledyne [R29]; Specifications. Copyright 2023, Oxygen Analyzers From Neutronics Inc - Cesstech PDF MODEL 1100 Neutronics - Titus Co All Rights Reserved. about us; news; . GazTrak. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); The Neutronics 1100 Percent Oxygen Analyzer is a compact analyzer for oxygen gas measurement and process control applications. 4.7 out of 5 stars. C5E - Process Gas Analyzers - Handheld Percent Oxygen neutronics ntron 4926/0-370-1 dual sensor inerting control system hazardous location enclosure catalog # spm-14090 xp hubbell/ killark. . They provide molecules for use as building blocks. Gasenz Datasheet. It is a solid-state device based on a zirconia solid electrolyte sensor with a low power, on-board heater, and two electrodes. Making The CAG-250E electrochemical sensor ensures reliable performance and fast response for critical measurements. This gives it an extremely fast response to oxygen with the ability to measure ppm levels Imagebox, I acknowledge and agree that my personal data supplied in this form will be processed by Bacharach for the purposes outlined in the Bacharach, auto 0-1%, 0-10%, 0-25%, 0-50% and 0-100%, Faceplate: NEMA 1 (IP20) Rear electronic chassisControl Panel: Weatherproof Nema 4, IP66, 4 digit LED for O2.LEDs for system status, Serial RS-232 service portAnalog 0 - 1V 5% and 4-20 mA, 2 alarm relays, field adjustable 1 system fault relay, non-adjustable, Analyzer: 32 to 149F (0 to 65C) Sensor: 41 to 104F (5 to 40C), 7" 4.125" 3.75" (17.78 10.48 9.53 cm), Electrochemical, CAG-250E(other sensors available), 1100BEL-N1, 90-264 VAC (locking right angle connector), 1100BE-N1S, 90-264 VAC (terminal block connector), 1124BEL-N1, 24 VDC (locking right angle connector), 1124BE-N1S, 24 VDC (terminal block connector), Interface cable, 2m, locking connector, alternate sensor, Two adjustable alarms with configurable relay outputs. Do you need more information about our Gas Analysis solutions? Equipment City Robinair 16916 Replacement O2 Sensor The XZR400 can also be used for cylinder filling and other applications where a precise measurement of oxygen is required. Rosemount Oxymitter 4000 In Situ Oxygen Analyzer and Probe for - Puffer $399 usd. Peters MO 63304, 1-16-1013-00-2 Neutronics YF Neutronics Replacement Oxygen Sensor, Booster Pacs - Jump Starters - Portable Power Supplies, Commercial Jump Starting & All-In-One Power Systems Parts, 6-02-6001-18-4 Neutronics EID R1234YF M12 Flow Restrictor (2 M), 6-02-6001-01-0 Neutronics R12 Connector for ACSD Sealant Detector, 360-82157-00 RTI ID1000/ID1000 Pro Battery Charger, RHD1 Fieldpiece Replacement Heated Diode Refrigerant Sensor for SRL8, 2-02-5100-29-2 Neutronics R1234yf Tank Adapter, 6-02-6001-18-1 Neutronics EID R1234YF M12 Flow Restrictor (1.5 M), 16106 Robinair Identifier Sample Hose Assembly, 6-02-6000-02-0 Neutronics R-12 Replacement Hose For All Identifiers. 0.75" LED4 alphanumeric characters, Serial RS-232 service portAnalog 0-1, 0-5,0-10 VDCand 4-20 mA, 2 alarm relays, field adjustable 1 system fault relay, non-adjustable, Analyzer: 7" 4.125" 3.75" (17.78 10.48 9.53 cm) RSM: 9.22" 5.4" 6.12" (23.42 13.71 15.54 cm), 3-SPM-N1-SS, RSM (with Pump, 1/4 VCR Fittings), 3-LP-N1-SS, RSM (Positive Pressure), (110 VAC), 3-LP-N1-SS, RSM (Positive Pressure), (220 VAC), 3-SPM-N1-SS-XPM3, RSM (with pump, 110 VAC), Rapid-response Neutronics zirconium oxide sensor, Less than 10 seconds from air to ppm levels. manufacturer: neutronics; neutronics ntron oxytron oxygen analyzer model # 2111-3011 110 volt ac located big blue-24 shelf-h vince. We believe sleep professionals and patients deserve it. Best Sellers in Automotive Replacement Oxygen Sensors You can test the oxygen sensor at home with a voltmeter or OBD2 scan tool like the FIXD Sensor. Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device, choosing a selection results in a full page refresh, press the space key then arrow keys to make a selection. Explore the entire Neurotronics Sensors catalog. The O2 sensor in Chevy Equinox monitors the level of oxygen in the engine's exhaust gases and reports the data to the control unit that continuously adjusts the air to fuel ratio in the engine to achieve maximum efficiency. Description The Neutronics 1100 Percent Oxygen Analyzer is a compact analyzer for oxygen gas measurement and process control applications. Emails are serviced by Constant Contact. Portable Oxygen Analyzer Oxygen Purity Detector. Utilizing a patented weak-acid based technology for a more stable signal and longer sensor life, this sensor can withstand high levels of CO2, CO, and other acidic gases. Product Description Warranty 8011000022 OXYGEN SENSOR SENSORNTRON CERAMIC FACTORY WARRANTY MAY NOT APPLY. Reach out today to get a free, no-obligation quote for a new Neutronics oxygen monitoring system. Price $59.95. Neutronics Oxygen Analyzers Summary Table /Selection table, PPB to 100% Panel-Mount or Portable Oxygen Analyzer Systems, 0.1PPM to 100% Portable Trace Oxygen Analyzer, 75PPB to 100% Portable Trace Oxygen Analyzer, Intrinsically Safe Fixed Gas Detector (0 to 21% O2), Process Oxygen Monitoring & Inert Gas Control System (0.01 to 25% O2 Fixed Range), Inert Gas Control System & Analyzer (0-1, 0-10, 0-25, 0-50% oxygen, fixed or auto-range, Rail Mounted Digital Gas Analyzer (0-1%, 0-10%, 0-25%, 0-50%, 0-100%, auto or fixed (fixed range, user defined). By submitting this form, you are granting: Automotive Video, 6280 Arc Way, Fort Myers, Florida, 33966, United States, http://www.aviondemand.com permission to email you. Neutronics Gas Analysis Tank Blanketing and Inerting - Bacharach The sensor is mounted in the exhaust manifold to monitor the amount of oxygen in the exhaust. You may unsubscribe via the link found at the bottom of every email. Neutronics Inc. 8-01-1001-20-0 Oxygen Analyzer - amazon.com This sensor comes with a 6 month warranty. Shop Now The Neurotronics Difference Quality You Can Feel From conception to production, our sensors are built with quality and precision in mind. Faulty oxygen sensors cannot send the correct air-fuel ratio data to the engine control module, leading to inaccurate guesses about the amount of fuel your engine needs. PDF Instruction manual Model EC150 - Analyze Gas With its extremely fast response time and high accuracy, the Model 3100 delivers reliable performance for a wide variety of oxygen gas measurement and When your unit displays the "Air Sensor Fault" it is time to replace the oxygen sensor. Designed for a measurement range of zero to 100% oxygen, the unit features a reliable electrochemical sensor that can be mounted remotely at the sampling point to ensure a fast response time. Sensor oxygen generator (pogs 33) NSN National Stock Number: 6515-01-513-6712 6515015136712 TXT Description: Portable Oxygen Generator Sensor INC. INC Item Name Code: 77777 MRC: The national stock number or the identification information of the end equipment for which the item is a part. This is why when the sensor fails, vehicles can start consuming far more fuel than . MOSTPLUS 213-4229 12609457 4pcs Upstream + Downstream Sensors Oxygen Sensor Compatible with Escalade Chevrolet Avalanche Silverado Tahoe GMC Yukon Sierra. rapid-response Neutronics zirconia oxide sensor suitable for a wide range of operating gas temperatures less than 10 seconds from air to ppm levels portable design with built-in high purity sample pump 5 year sensor life with no regular service required Download Brochure Model OA1S+ 75PPB to 100% Portable Trace Oxygen Analyzer Download Brochure Max-250 Oxygen Sensor - Maxtec Compact 1000 Series analyzers are designed to measure oxygen composition at a range of 0% to 100%. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Neutronics High Purity Oxygen & Gas Analyzers | Titus Co. AM Trace Datasheet. Designed for a measurement range of zero to 100% oxygen, the unit features a reliable electrochemical sensor that can be mounted remotely at the sampling point to ensure a fast response time. Still, many people are unsure about what the oxygen sensor actually does. Each analyzer features a large LED screen with colored indicator lights and two adjustable alarms configurable for fail-safe and non-fail-safe and ascending/descending action. It is mandatory to procure user consent prior to running these cookies on your website. Enables Technician to test exhaust back pressure thru oxygen sensor.Oxygen Sensor adapter includes M12 & M18 thread.The special 2 1/4" gauge has two multi-colored bands - idle and 2500 RPM, with pressures shown in PSI and bar.Furnished with rubber boot to protect gauge.Hose is 6 feet, enough length for the Technician to test from the driver's . Enter the email address you signed up with and we'll email you a reset link. You can check out our full cost guide here. Replacement oxygen sensor for Robinair R-1234yf machines and refrigerant identifiers. As the sample gas passes by the sensor, the oxygen is electrochemically reduced at the cathode. Expression of Interest for A New Search for Neutron-Anti-Neutron oxygen levels over a wide range of conditions and automatically maintains oxygen levels within specied limits through precise control of the ow of inert gas into the process. This process, of course, creates certain emissions. Ntron Gas Management Ltd provides oxygen analyzers and instruments across a number of industries including gas generators, additive manufacturing, and pharma industries. RIXFR CPS Refrigerant Identifier Restrictor. Evaluations by table are therefore not required. PDF MODEL 7100 Neutronics - Titus Co. Used Neutronics for sale. Top quality machinery listings. | Machinio This article addresses the numerical computation problem of induced inflow ratio based on the helicopter momentum theory in forward flight. Oxygen analyzer - 3100 - Bacharach - process / concentration / trace Imagebox, I acknowledge and agree that my personal data supplied in this form will be processed by Bacharach for the purposes outlined in the Bacharach, 3100 Instruction Manual- remote sensor module with pump (EN), 3100 Instruction manual- remote sensor module without pump (EN), 3100 Technical Bulletin- remote O2 Sensor Module (EN), 3100 Technical Bulletin- Zirconium oxide sensor (EN), auto 0-10, 0-100, 0-1000, 0-10,000 ppm; 0-10%, 0-100%, Ctrl panel: Weatherproof, NEMA 4 (IP66) Rear electronic chassis: Nema 1, IP20, T90 < 5 sec (order of magniture change); < 10 sec from 20.9% to ppm, 7 seg. 12. The Neutronics 7100 Series of high purity oxygen analyzers feature a mini-zirconia sensor that measures oxygen content in parts per million (ppm) ranging from 0 to 100. Oxygen Analyzer - Ntron Microx - Process Sensing Best for both children . We'll assume you're ok with this, but you can opt-out if you wish. Customs and Import Compliance These compact devices have a small footprint for easy, flush-mounted installation onto the surface of a control panel or another equipment component. 1-16-1013-00-2 Neutronics YF Neutronics Replacement Oxygen Sensor Related Products. We ship every analyzer ready to install and get to work. Gasberwachung Sauerstoffmessgerte Endogasberwachung Sauerstoffsonden O2-Sonden MSR-Technik Mess- Steuer- und Regeltechnik (MSR) fr . When your unit displays the "Air Sensor Fault" it is time to replace the oxygen sensor. oxygen monitoring air particulate Specification Sensor:Electrochemical fuel Cell Life:9-16 mo. See more product details + + Total price: Add all three to Cart Some of these items ship sooner than the others. Neutronics Multi Gas Transmitter (Oxygen) Type: MGT3 *Works* Pre-Owned C $192.86 or Best Offer +C $39.41 shipping estimate from United States Sponsored SPX Robinair Neutronics A/C Diagnostic Tool Model: 16800 Pre-Owned C $129.42 Top Rated Seller Buy It Now from United States Sponsored NEUTRONICS NTRON OXYTRON 2000 OXYGEN ANALYZER 8-01-1001-23- 3100 Percent Oxygen Analyzer - Bacharach document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); The MGT3 series of Gas Monitors for the United States include the MGT-3 IR, MGT3-O2, MGT3-Pellistor, and MGT3-Toxic, each providing reliable performance in workplace safety applications. $g $@; Neurotronics Sensors The following information is given as a guide in the event that a cell leaks. 7.1K views 5 years ago In a Nitrogen plant - Oxygen analyzer is a very important instrument that allows customer to ensure their plant is working efficiently and optimally. The MGT3-IR Fixed Gas Monitor with IR Sensor uses infrared sensor technology to detect flammable gas concentrations over various ranges up to 100% volume, these intrinsically safe detectors are designed to be incapable of producing heat or spark sufficient to ignite an explosive atmosphere. This AFS138 oxygen sensor from the brand not only detects the level of oxygen in your vehicle's exhaust but also helps regulate the emissions from your vehicle. What Is An O2 Sensor And What Does It Do? | Advance Auto Parts At Quantum First Automation Inc. you get only the best quality parts guaranteed. Designed to measure O2 as an impurity in pure inert gases such as N2, CO2, He, Ar and even Kr. Chevy Equinox bad O2 sensor symptoms, causes, and diagnosis Century Tool & Equipment4013 S. Old Hwy 94St. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. 1825 0 obj <> endobj 1836 0 obj <>/Filter/FlateDecode/ID[<091642CCC674FA4ABF86ED427CE0EE1C><41B04ADBE5BA4ECCB5BF99A51FC41F68>]/Index[1825 21]/Info 1824 0 R/Length 70/Prev 639399/Root 1826 0 R/Size 1846/Type/XRef/W[1 2 1]>>stream You can fill out our online contact formor give us a call at 610-913-9100 to speak with a member of our team. 16916 Robinair CoolTech ID Plus Refrigerant Identifier O2 Sensor. Broader terms: Plants -- Development; Mathematical models; Narrower term: Plants -- Development -- Computer simulation Trace Oxygen Analyzer and Remote Sensing Module (RSM), The Neutronics Model 3100 Compact Fast Response Oxygen Analyzer for high purity process control applications. Neurotronics is a wholly owned subsidiary of the Nihon Kohden Coporation. A self-powered, diffusion limited, galvanic type cell, it features RoHS compliant construction with a tin anode, fully CO2 and solvent resistant neutral electrolyte, *this is simply a newsletter signup, by opting into our emails you are not automatically enrolled into our paid video services. Explore the entire Neurotronics Sensors catalog. From conception to production, our sensors are built with quality and precision in mind. Neutronics analyzer and monitoring systems can be used in a number of applications across several industries. Customer Driven Neutronics is the world leader in gas analysis using galvanic solid state Zirconia and NDIR (non-dispersive infrared) sensor technologies and the only manufacturer in the world to produce these sensor technologies on their own premises. PDF ZR100 ZIRCONIUM OXIDE SENSOR - Analyze Gas Bacharach, Inc. Website by Percentage Oxygen Analyzer Calibration Procedure - YouTube Get the latest from Bacharach in your inbox. Let our team of experts help you find the right product configuration for your application. INIS Repository Search - Search Results As such choosing the right sensor technology for the right application is critical. The robust design of the Neutronics zirconium oxide sensor gives this analyzer the ability to rapidly measure oxygen through large step changes in concentration and the ability to accurately measure ppm concentrations of oxygen within seconds after exposure to air.
Field Artillery Battalion Has Four Batteries, Bill Anderson Obituary, Articles N