Gas Detection
Versatile, precise, and dependable gas measurement instrumentation for safety, water, sewage, biogas, gas and pipeline applications
Esders’ OLLI explosion-proof gas warning and measuring device detects fl ammable and toxic gases, as well as oxygen, and can be set-up to operate in several different measuring ranges. The OLLI is ideal for use in an extensive range of applications and individual device confi gurations for different areas of application are available.
The versatile instrument combines a multitude of different functions in one device. Operators can choose which sensors, which measuring ranges and if the OLLI is to be used with an accumulator or batteries. End users also have the choice between a diffusion device or a device fi tted with an integrated pump. As an option, the OLLI can be delivered with specifi c settings set up to the operator’s specifi c criteria.
The OLLI is protected by an ergonomic and exceedingly rugged two-component synthetic casing, providing protection class IP 67 and provides functions and menus set to comply with international standards and regulations. The measuring range for combustible gases, such as methane, covers 0 to 100% LEL and 0 to 100% by volume. The lower measuring range of parts per million (ppm) is also offered as an option, to make the instrument suitable for gas detection in domestic installations. For carbon monoxide the OLLI’s measuring range is 0 to 1000 ppm, while for hydrogen sulphide it is 0 to 200 ppm. For oxygen content determination in the process of gas pipeline commissioning, the OLLI operates in the range of 0 to 25 volume percent for oxygen when equipped with the requisite sensor technology.
With its capability to measure combustible gases, carbon monoxide and hydrogen E, the OLLI is also ideal for initial use in the event of malfunction reports at biogas plants. When operated with the optional infrared sensor for combustible gases and carbon dioxide, the OLLI becomes a highly reliable instrument for use in confi ned space entry applications.
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New single-mode continuous-wave quantum cascade lasers
A trusted source for industrial and commercial gas sensing technology
N.E.T. was founded in 2001 with the mission of setting new standards in the gas sensor market: high quality, excellent technical support, competitive pricing and short delivery times.
Nowadays, N.E.T. manufactures and sells a complete range of gas sensing devices on an OEM basis for industrial and commercial applications used by instrument manufacturers worldwide.
Our new, microprocessor-based range of NDIR sensors is now the most comprehensive on the market and includes solutions for the detection of hydrocarbons, CO2
, SF6 in Milan, Italy.
nanoplus Nanosystems and Technologies GmbH is taking aim at the far infrared with its new single-mode continuous-wave quantum cascade lasers (cw QCL).
Ultra-sensitive and custom applications benefi t from individual target wavelengths in the 6 µm to 11 µm range.
This region is of particular interest for detecting glucose, NO2
, SO2 , NH3 .
With the new cw Distributed Feedback QCLs, nanoplus complements its portfolio of high- precision DFB lasers for tunable diode laser absorption spectroscopy.
nanoplus is an ISO 9001:14001 certifi ed supplier and one of the world’s most respected manufacturers of lasers for gas sensing applications. The cornerstone of nanoplus’ success is its unique and patented approach to manufacturing DFB laser sources. nanoplus celebrates its 25th anniversary this year.
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If you wish to submit an article for possible inclusion in International or Asian Environmental Technology please contact David Phillips.
N.E.T. has built a team of dedicated engineers and market specialists with extensive gas detection experience who, together, are able to provide a superior level of technical and commercial support. N.E.T., an ISO9001 registered company since 2003, offers: • A full range of gas sensors meeting the needs of every customer • Quick, on-time deliveries • The highest level of technical and integration support • Realistic and competitive pricing to give our customers an effective cost advantage NET range of products include: • Non-Dipersive Infrared (NDIR) sensors, including solutions for CO2 • Electrochemical cells, including premium solutions for NH3
, NO2 , CL2, H2
, Hydrocarbons, SF6 S, SO2
, CO and O2
and a high number of A2L Refrigerant gases. .
• Catalytic bead sensors • Transmitter boards with integrated voltage, 4-20mA, RS-485 Modbus, fault and threshold outputs. • Certifi ed housings with ATEX and IECEx explosion-proof approvals.
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and a high number of refrigerant gases. This technology is entirely engineered and manufactured at the N.E.T. headquarters
5
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