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Monday, 13 September 2021 21:19

Q.E.D Announces Precision Liquid Level Reader for Gas Well Applications

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PLR device determines leachate and/or condensate levels accurately, safelyand efficiently without the need to break the wells’ vacuum seal

Q.E.D. Environmental Systems, Inc., a leading manufacturer of innovative environmental products and subsidiary of Graco Inc (NYSE: GGG)., announces the release of the Precision Level Reader (PLR), which is a very accurate, safe and efficient method for determining leachate and/or condensate levels in gas wells. 

With QED’s new PLR device, liquid levels are detected within seconds and are recorded with a time, date and location stamp with no need to interrupt the vacuum in the well. Using a permanently installed weight and tube, the PLR engages a micro-compressor and differential sensors to determine a water level reading that is never affected by foam and will not cross-contaminate from well to well.

The PLR device delivers key advantages over other liquid level measurement devices for gas well applications. With no need for a water tape or well seal removal, level readings take a fraction of the time and effort, with no exposure of technicians to dangerous gases or liquids in the process. Levels are taken with the well vacuum intact, meaning no errors occur due to foam in the well or vacuum losses. With average level readings taking only seconds, operators see immediate and long-term labor savings. All readings are displayed immediately and stored electronically for future access. 

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Proven industry-standard materials and manufacturing techniques in the QED PLR device ensure a high quality, durable product. The PLR system consists of three components: the Remote Measurement System (RMS), a handheld portable PC and handset software. An IP65 ABS enclosure houses the air pump, battery, pressure sensor and interface circuits in the RMS. The associated rugged handheld unit features integrated Bluetooth, a Windows 10-based operating system, and a minimum of 64MB RAM and 256MB Flash memory. Finally, the customized interface application software features a user-friendly digital display with audible and visual alerts. The software offers simple data recording and storage options, with the option to display results in either imperial or metric measurements.

For more information on the Prevision Level Reader, visit

About Q.E.D. Environmental Systems, Inc.

Q.E.D. Environmental Systems, a subsidiary of Graco Inc., is a leading manufacturer of innovative environmental pumping systems, landfill products, landfill gas products, and air strippers for use at landfills, mines, oil refineries and other industrial sites, as well as hazardous waste cleanup sites. Our products are used around the world for a wide range of environmental applications, including groundwater sampling, groundwater remediation pumping, landfill leachate and condensate pumping, landfill gas collection and control, landfill and biogas analysis, air stripping and VOC removal, and wireless data acquisition. Based in Dexter, MI, QED serves customers from support centers in Michigan, and England. For more information, call 734-995-2547 or contact us at This email address is being protected from spambots. You need JavaScript enabled to view it.

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