The AHR Expo brings together manufacturers & suppliers of all sizes & specialties to share ideas and showcase the future of HVACR technology. It’s the industry’s best place for OEMs, engineers, contractors, facility operators, architects, educators, and other professionals to experience everything new in HVACR and build the vital relationships that grow businesses and careers. The AHR Expo is co-sponsored...
Intersec is back in January 2024, celebrating the milestone of its 25-year journey in the region. The upcoming edition will be grand, featuring over 1,000 exhibitors spread through 12 halls, showcasing 5 key product and service groups alongside 8 content features across Homeland, Cyber, and Commercial Security, Safety & Health, and Fire & Rescue Held under the patronage of His Highness Sheikh Mansoor Bin...
Ammonia is a among the most common gases found in the industry. Vastly used in wastewater treatment, leather, rubber, paper, food and beverage industries, it is also making a strong comeback in cold storage applications and refrigeration systems due to its environmental friendliness. Ammonia toxicity is well known. The pungent smell of ammonia in the air is detectable at concentrations as...
Season's Greetings to all, and very best wishes for the New Year from all of us at NET. We inform you that our offices will be closed for winter holydays in the following days of December: 7th – 8th 27th – 28th – 29th We also inform you that our last shipment date prior to the closure will be December 21st. Shipments will resume on January 2nd,...
NET is renewing its commitment in providing innovative and reliable solutions to the industrial refrigeration market. Not only we possess world’s largest range of detectable gases (over 40 different common refrigerant gases), but we can now offer solutions compliant with ANNEX LL of IEC 60335-2-40:2018 – which is presently being used as the basis for the design, evaluation, testing and...
REFRIGERA 2023 is the leading event exclusively dedicated to the entire production chain of industrial, commercial and logistics refrigeration in Southern Europe. The trade show offers the chance to meet the most important suppliers of technology, machinery, components and services for professionals. The free-admission event, reserved to industry professionals, will also give the chance to take part in seminars and workshops...
NET manufactures and sells a complete range of gas sensing devices on an OEM basis for industrial and commercial applications used by instrument manufacturers worldwide. NET does not manufacture complete instruments or detectors and let alone complete gas detection systems. Nonetheless, oftentimes users ask us for sensor installation guidelines in terms of number and location of sensors. This is a rather...
NET Cyber Heads have been recently declared conform to Annex LL of IEC 60335-2-40:2018. This short article will explain in greater details the content of Annex LL and what are the requirements of refrigerant detection systems for flammable refrigerants for household and similar electrical appliances. The IEC 60335-2-40 standard deals with the safety of electric heat pumps, sanitary...
IEC 60335-2-40 is presently being used as the basis for the design, evaluation, testing and certification of HVAC equipment using Low GWP refrigerants (A1, A2L, A2 and A3 as defined by ISO 817). IEC 60335-2-40 deals with the safety of electric heat pumps, sanitary hot water heat pumps and air conditioners, incorporating motor-compressors as well as hydronic fan...
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon. Different Hydrocarbons have different number of atoms and molecular structure, but in most cases, they can be detected in a common area of the Infrared Spectrum, between 3.0 and 3.5 microns. In other words, a certain degree of cross-sensitivity exists between different hydrocarbon gases as their...
