Technical Reprint TR-001

GAS MONITORING OPTIONS

Gases are monitored with permanently installed (fixed) systems or portable instruments, or by taking samples for evaluation in a laboratory. Portables and sampling are by their very nature only spot checks and are appropriate only when the risk is extremely low or fixed instruments are not practical. As a general principle, areas where the risk is sufficient to justify periodic monitoring with a portable instrument, warrant a fixed system.

Conventional Technology. Fixed gas monitoring systems historically have been reactive systems consisting of a sensor and a controller. The sensor, which can be mounted remote to the controller, usually transmits an analog signal proportional to the gas concentration. Principles of detection include catalytic bead, solid- state/semiconductor, electrochemical and infrared.

Performance variables that should be considered for sensor performance include:

•Response speed

•Measurement range

•Resolution

•Interfering gases

•Operating range

•Temperature and humidity effects

•Sensor life span

•Ease and frequency of calibration

•Replacement cost

The gas monitoring system required depends upon the scope of the hazardous gas risk. For applications where the risk is minor, a simple gas monitor that sounds an alarm when the concentration reaches the setpoint may meet the need. Applications involving a higher risk generally require continuous output of gas concentration to a display, printer or other indicating or control device. Sierra Monitor's analog gas sensor modules offer a continuous 4-20 mA DC output and are available for a wide range of hazardous gases.

In applications with the highest level of risk or where the hazard is present throughout the facility, a smart gas sensor module such as the IT Series and/or the Sentry Gas Risk Management System will meet the need. With extensive diagnostic capability, flexible configuration, expandability, microprocessor controls, and the ability to interface with plant-wide control systems, Sierra Monitor IT Series and Sentry Systems are the choice for plant- wide monitoring systems.

System self-diagnosticson both the IT Series sensors and the Sentry controller and sensors help the user know that the data they are receiving in reliable and accurate.

Gas exposure data analysis needs to be available to prove due diligence in hazardous gas risk management. This data can be available either via preformatted reports available with the optional printer for Sentry or via a third party HMI package resident on a computer. Serial communication and the MODBUS interface enable Sentry and IT Series sensors to interface with the Human-Machine-Interface (HMI) package that can provide complete data analysis and information on the operator's computer. Such information would include alarm status, gas concentrations, alarm setpoints, fault alarms, and more. Hundreds of data points are available from Sentry via the serial communications port.

Sentry’s ability to accept input from a wide variety of devices such as flame detectors, or other unique gas detectors provides a complete hazard monitoring system to improve the safety management of the facility.

Sierra Monitor Corp. 1991 Tarob Ct., Milpitas, California 95035 USA 408-262-6611, 800-727-4377 FAX: 408-262-9042

Visit our Web Site at: http://www.sierramonitor.com

E-Mail: sales@sierramonitor.com

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Sierra Monitor Corporation TR-001 manual GAS Monitoring Options
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TR-001 specifications

Sierra Monitor Corporation's TR-001 is a cutting-edge solution designed to enhance gas detection and monitoring systems, particularly in industrial environments. This advanced device serves as a critical component for ensuring safety and compliance in facilities where hazardous gases may be present.

One of the main features of the TR-001 is its ability to detect a wide range of gases, including toxic, flammable, and asphyxiant gases. This versatility makes it appealing to various industries, from oil and gas to chemical manufacturing. Its robust sensor technology offers high sensitivity and rapid response times, ensuring that potential hazards are identified swiftly, thus minimizing risk to human health and safety.

The TR-001 is equipped with advanced digital signal processing (DSP) capabilities. This technology enhances the accuracy of measurements and the reliability of the data collected. It also features built-in self-diagnostics, which regularly check the functionality of the sensors, ensuring that they remain in optimal condition and that any issues are flagged immediately. This proactive approach is vital for maintaining effective safety protocols and compliance with industry regulations.

Connectivity is another key characteristic of the TR-001. It supports various communication protocols, including Modbus, which allows for easy integration into existing industrial control systems. This feature not only facilitates real-time monitoring but also enables remote access to data, simplifying the management of safety systems across large facilities.

Furthermore, the TR-001 is designed with user-friendliness in mind. Its intuitive interface allows for straightforward configuration and operation, minimizing the training time required for personnel. The device’s compact form factor also ensures easy installation, making it a practical choice for various applications.

Durability is another hallmark of the TR-001; it is constructed to withstand harsh environmental conditions, contributing to its longevity and reliability in demanding industrial settings. With its combination of innovative technology, ease of integration, and robust design, Sierra Monitor Corporation's TR-001 sets a new standard in gas detection solutions, enhancing safety and operational efficiency across industries.
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