RL-Z100 Zirconia Oxygen Analyzer Application Case in Aerospace Base Conditions

I. Industry Background

The R&D, testing, and production of aerospace equipment have stringent requirements for gas environment parameters, with oxygen content being one of the key monitoring indicators. In critical scenarios such as aerospace engine hot tests, component vacuum heat treatment, propellant storage environments, and sealed test chambers, control over oxygen concentration directly affects test results, product qualification rates, and equipment operational stability.

On one hand, in high-temperature aerospace tests and inert gas-protected production conditions, excessive oxygen levels can cause metal components to oxidize, degrade precision device performance, and even lead to abnormal test ignitions and equipment failures. On the other hand, an imbalance in oxygen content within sealed aerospace test environments can pose risks to the safety of researchers and affect the accuracy, reliability, and lifespan of aerospace products.

Traditional oxygen monitoring devices suffer from issues such as delayed response, insufficient accuracy, weak anti-interference capability, and poor adaptation to high-temperature conditions, making them unsuitable for the high-precision, high-reliability, and all-weather monitoring needs of aerospace bases. Therefore, there is an urgent need for a high-precision, highly stable oxygen analysis device that can adapt to complex conditions and provide real-time online monitoring. This would help establish a standardized, intelligent gas monitoring system to ensure the orderly conduct of aerospace testing and production operations.

II. Product Introduction: RL-Z100 Zirconia Oxygen Analyzer (Xi'an Runle Instrumentation)

The RL-Z100 ion flow zirconia oxygen analyzer is an online oxygen monitoring device independently developed by Xi'an Runle Instrumentation Co., Ltd. for industrial high-precision and complex harsh conditions. It is specifically designed for high-temperature, multi-interference, and high-precision monitoring scenarios, meeting the online detection requirements of oxygen concentration in various aerospace test and production conditions. It is a dedicated equipment for gas parameter measurement and control in the aerospace field.

• 1. Core Performance Parameters, Meeting Aerospace High-Precision Monitoring Requirements
  The device adopts high-end zirconia sensing core, with extremely high detection accuracy. The overall measurement error is ≤ ±2%F.S. It can capture both trace and constant oxygen concentration changes, fully meeting the monitoring standards of aerospace precise conditions; the response speed is fast, with a detection response time of only 10 seconds, enabling rapid feedback of oxygen content fluctuations in the working conditions and real-time early warning and control. The device is compatible with stable working conditions parameters, with sample gas flow suitable for 400 ± 50 ml/min, and inlet pressure suitable for 0.05 Mpa - 0.25 Mpa, which can match the gas supply working conditions of aerospace test pipelines.
• 2. Multiple Signal Outputs, Compatible with Aerospace Intelligent Control System
  The device is equipped with dual analog signal outputs (4 - 20 mA, 0 - 10 V), standard RS485/RS232 bidirectional communication interfaces, and dual relay contact outputs. It has extremely strong compatibility. It can seamlessly connect with aerospace base DCS control systems, intelligent monitoring platforms, and data acquisition terminals, enabling real-time upload of oxygen data, remote monitoring, data storage, and automatic alarm for over-limit conditions, helping to upgrade aerospace monitoring to intelligence and digitization. The working voltage of the device is 24V DC ± 5%, with a working current of 450mA, low operating power consumption, and strong stability, suitable for long-term uninterrupted operation requirements of the aerospace base.
• 3. Military-grade Quality, Compatible with Aerospace Complex Harsh Conditions
  The entire machine adopts a closed high-strength structural design, and the probe uses corrosion-resistant, high-temperature-resistant materials, with outstanding resistance to dust, high temperature, and electromagnetic interference. It can adapt to complex aerospace test conditions such as high temperature, closed environment, and multiple impurities, effectively avoiding detection data deviations caused by environmental interference. The overall stability of the device is extremely strong, capable of continuous and uninterrupted stable operation 7×, with no obvious zero drift over a long period of use, significantly reducing the frequency of equipment calibration and maintenance, and suitable for long-term continuous testing and batch production work modes of the aerospace base.
• 4. Convenient Installation and Maintenance, Compatible with Aerospace Standardized Operations
  The device has a simple and intuitive structure, high integration, and supports various installation methods such as wall mounting and pipeline installation, suitable for installation requirements of different scenarios in the aerospace base, such as test chambers, production workshops, and test benches. The operation interface is simple and intuitive, and the debugging and calibration process is simple, allowing for equipment operation and maintenance without professional complex operations, significantly reducing the labor and time costs of aerospace monitoring.

III. User Reviews

After extensive selection and comparison, the Equipment Maintenance and Testing Technology Department of a certain aerospace base finally purchased the Lianrunlai RL-Z100 Zirconia Oxygen Analyzer in bulk for online oxygen concentration monitoring at the base's aerospace engine test sites, precision parts heat treatment workshops, and sealed test chambers. Since its deployment, the equipment has been running stably, with performance far surpassing traditional monitoring devices, earning high recognition from the base's technical team.

The person in charge of equipment at the base commented: "Previously, our traditional oxygen analyzers were prone to environmental interference under high-temperature test conditions, resulting in large data fluctuations, slow response times, and frequent inaccuracies. This not only affected the accuracy of test data but also posed certain risks. The calibration and maintenance of these devices were also very frequent, consuming significant manpower and resources. Since introducing the Lianrunlai RL-Z100 Oxygen Analyzer, the equipment has shown excellent adaptability to our complex aerospace conditions, outstanding anti-interference capabilities, stable long-term operation, and accurate results. The real-time monitoring data closely matches the laboratory calibration data. The device responds quickly, capturing even subtle changes in oxygen content, and its over-limit alarm function is sensitive and reliable, effectively avoiding test risks caused by abnormal oxygen levels."

The testing technology team added: "The intelligent adaptability of this device perfectly meets our work needs. Its 4-20mA and RS485 multi-signal outputs can be integrated into the base's existing intelligent monitoring system, ensuring real-time data upload. This has enabled fully automated oxygen monitoring and unattended control of test conditions, significantly improving the level of automation in our testing processes. Additionally, the equipment has an extremely low failure rate and is easy to maintain, greatly reducing the workload on equipment repairs and calibrations, thereby enhancing the efficiency of aerospace testing and production operations. Lianrunlai Instruments' products are of solid quality and highly professional, fully meeting the strict reliability and precision requirements of the aerospace industry. We plan to continue purchasing and collaborating with them, promoting this equipment across all test sections at the base."