XNX Gas Detector Calibration 9

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XNX How to Calibrate an Gas Detector

XNX If you are using an XNX gas detector, you might be wondering how to calibrate it. First, let us look at what you will see when you open the calibration screen. It will tell you the process you have to go through and which buttons to press to begin. We will also cover how to calibrate the instrument using Inhibit mode. This will help you make sure your detector is working to its full potential.
XNX gas detector calibration

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There are several reasons to carry out an XNX gas detector calibration. The first reason is that it is important for the device to accurately respond to changes in the flow patterns and gas concentrations in its environment. For instance, it can be inaccurate when detecting 46% LEL, when the actual rates are closer to 50%. Other reasons for calibration include environmental factors such as temperature and humidity changes, mechanical shock, and physical age.

The XNX calibration process involves a series of diagnostics. It will carry out a total of 30 diagnostics on the personality board and main board. The test intervals are different, ranging from three seconds to 24 hours. Faults are reported within three seconds. XNX’s Technical Manual provides detailed information on these diagnostics. A series of proof tests will detect any system failures and restore it to “as-new” condition. The calibration results will be displayed on the display.

XNX gas detector calibration screen

Before operating a new XNX gas detector, you should calibrate the device. There are three different screens on the calibration screen. The Span Passed Screen tells you whether the calibration process was successful. The Span Failed Screen shows you if the calibration process failed. This screen displays the concentration and rate of the gas flow. The Span Calibration screen tells you whether the gas values were too high or too low.

Once the XNX Universal Transmitter detects the gas, it will display its concentration values. After about three minutes, the transmitter will automatically calculate the zero adjustment and return to the Gas Calibration menu. To enter the concentration of the Span gas, select the digits you want to display. If the concentration is not accurate, make sure the digits are selected. After the gas calibration is complete, you can exit the calibration procedure.

XNX gas detector calibration process

The XNX gas detection system is capable of attaining the highest SIL level. As a standalone safety device, the XNX gas detector calibration process is required to ensure that the system meets the standards of the IEC 61508 and IEC 61511 standards for functional safety. These standards specify the required safety parameters and the proof test interval for an XNX gas detection system. The proof test interval for an XNX system is one year.


The simplest and most effective calibration method is the E3Point Calibration Procedure. The process involves refitting the sensor cap and re-installing the filter. Once the calibration is complete, the device will display the default calibration screen. In this screen, you can change the span value by using the up and down arrows, or by pressing Enter to proceed with the calibration. Then, simply follow the instructions on the screen to ensure that your XNX gas detector is correctly calibrated.

XNX gas detector calibration in Inhibit Mode

Before beginning the gas monitoring procedure, perform a XNX gas detector calibration in inhibit (Stop) mode. To do this, follow the steps outlined below. First, connect the transmitter to the XNX Universal Transmitter. To do this, enter the following information: gas type, detection range and span, and transmitter. Note that the transmitter must be calibrated before gas monitoring can begin.

The XNX Universal Transmitter includes a configuration menu and a test menu. These menus help you configure parameters on the transmitter. When operating in inhibit mode, a user can enter a level one or two passcode to restart monitoring manually. Users can also change the passcode to allow the transmitter to automatically detect a gas mixture. The time to fault setting is stored in the XNX Universal Transmitter.

XNX gas detector calibration in SIL 2

When it comes to SIL 2, XNX gas detectors are a great option to choose from. These systems can detect many types of hazardous gases and offer advanced protection against oxygen deficiency and flammable gas emissions. In addition, XNX provides a common transmitter interface and can be configured to output all of the standard signal outputs from industry-leading gas detection systems. XNX is also future-proof and highly adaptable.

The XNX transmitter is compatible with Honeywell Analytic’s current range of industrial fixed gas sensors, including Sensepoint (HT and PPM) and Model 705 transmitters. It is SIL-certified and allows hot-swap gas sensors without the need for a hot work permit. Honeywell’s XNX transmitters can be used to monitor multiple gases in any type of building.

XNX gas detector calibration in SIL 3

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If you have a SIL3 installation, XNX gas detector calibration is critical for safety. It reduces installation and ongoing costs by providing a common interface and spare parts. The simplicity of operation also minimizes the need for training and spare stock levels. XNX devices can be modified remotely without opening the device. Optional local IS HART terminal ports allow one-man operation and local LEDs provide feedback.

XNX gas transmitters are compatible with Honeywell’s entire product line of industrial fixed gas sensors. They support a wide range of sensors, enabling hot sensor exchanges without requiring a hot work permit. XNX also supports a variety of industry standard signal outputs. XNX is designed for future-proof performance and adaptability. Honeywell XNX transmitters provide flexibility and reliability.

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