Health & Safety
reductions in maintenance costs and cycle times. Meanwhile Honeywell’s new RMG gas metering management software and service solution enables natural gas and measuring station operators to monitor operations on-site or remotely, provide data analysis and facilitate remote maintenance. Te solution reduces operational costs and improves the accuracy and reliability of measurements. Te system supports both Honeywell and
third-party measurement devices, allowing users to determine accurately the technical condition of all gas measurement devices in a metering station using a single software package. In addition, the ability to remotely access measuring devices simplifies planning and organisation, and reduces costs as it keeps station visits to a minimum. “One of our goals in developing this new solution was to give customers the freedom and flexibility to choose the best combination of measuring devices to meet their unique needs, regardless of the manufacturer,” said Frank Michels, general manager, RMG gas metering. Honeywell has already tested the system with
prospective customers including German natural gas distribution network operator Schwaben Netz, producing positive results. “We’re satisfied with our beta test of the gas metering terminal module of the software,” said Michael Stoeckle, director of gas network control with Schwaben Netz. “We’ve found it to be intuitive for our operators to use, as well as robust and stable. We plan on extending our use of the solution in our service department for quick and easy remote diagnosis, and expect a quick return on investment.”
Early warnings and PID solutions Te XZR200 oxygen analyser from Michell Instruments offers users added peace of mind with a built-in early warning system that alerts operators of any faults with the unit. A 3.3 V DC logic output acts as a ‘heartbeat’ and enables operators to check on the health of the sensor preventing incorrect measurements (Fig. 2). False oxygen measurements may result in a faulty combustion process causing higher fuel costs, and leading to loss of revenue or penalties. Te XZR200 sensor is highly reliable with up to
seven years life expectancy in clean gases and up to one year in very aggressive conditions such as coal fired combustion. Michell says the XZR200 capable of measuring per centage oxygen to better than 1 per cent of span (or 0.5 per cent oxygen) with ranges of 0-25 per cent and 0-100 per cent available. Te analyser offers four configuration options, with two choices of probe length and two temperature
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ranges (+250°C/400°C). Te lower temperature range (up to 250°C) is suitable for low-temperature applications, while the higher temperature range of up to 400°C serves combustion control. New from Alphasense is an A-Series photo ionisation detector (PID) sensor. With this, the sample gas is exposed to deep ultraviolet light from a lamp. Te emitted light ionises targeted gases in the sample so they can be detected by the gas detector and reported as a concentration (ppb or ppm).
Te Alphasense PID can be installed in portable and stationary gas monitors that accept either Alphasense CH-A3 or other manufacturers’ compatible pellistor cells. Tus providing complete PID capability in a package that has the same dimensional and electrical profile as Pellistors (providing the electronics input circuit is designed to take the sensor’s output range). Tis opens up an incredible variety of environmental and safety applications, says the company. SICK Engineering has created a joint venture with GGS Oil and Gas Systems (GGS), a Belgian system integrator, in order to engineer, fabricate and market complex system solutions for gas measurement. SICK Metering Systems will focus on high- end integrated metering solutions for ultrasonic gas measurement stations. Tese turnkey stations include, in addition to complete metering systems, filtration and pressure reducing stations, heating installations, ultrasonic flow meters, gas quality analysers as well as interfaces like evaluation and monitoring software. By forming this partnership, SICK Engineering has combined its product expertise in the area of ultrasonic gas flow measurement technology with the systems know-how and service network of GGS, set up to specialise in gas and fluid measurement systems. ●
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