Trafag AG - Your specialist for sensors

Trafag stands for precise, reliable and maintenance-free instruments developed for the monitoring of sf 6 and other gases in the field of high- and medium-voltage switchgear.Get price

insulating gas Gas Density Monitors and Sensors | TRAFAG

Trafag gas monitoring devices measure the gas density directly, i.e. insulating gas Gas Density Monitor s, with the unique gas density reference principle or the patented quartz tuning fork technology, i.e. Sulfr hexafluoride Gas Density Sensor s, or by combining both principles, i.e. insulating gas Hybrid Gas Density Monitors. They thus offer the most reliable solution on the market by directly measuring the insulating gas gas density.Get price

Sulfr hexafluoride Gas Density Monitors | TRAFAG

Sulfr hexafluoride Gas Density Monitors. Unique gaz sf6 monitoring with reference gas comparison. Trafag GmbH Kelterstraße 59 72669 Unterensingen +49 7022 40590 0 [email protected]Get price

The decomposition products of sulfur hexafluoride (sf6 gas

Nov 01, 2007 · The compounds formed in the SF 6 decomposition may include S 2 OF 10, CF 4, COF 2, F 2, HF, H 2 S, NF 3, F 2 O, SiF 4, SO 2, S 2 F 10, SF 4, SO 2 F 2, SOF 2, SOF 4 and S 2 O 2 F 10, , , , , , , , , . Although the occupational exposure limit is not commonly used as a relative index of toxicity for chemicals, the information is the most common guideline useful for determining their safe levels in order to adopt adequate protection system and handling procedures.Get price

Byproducts of Sulfur Hexafluoride (sf6 gas) Use in the Electric

the decomposition products and concentrations formed under actual conditions can vary depending on the equipment used and the type of electrical discharge (CIGRE 1997). 1 CIGRE (the International Council on Large Electric Systems) is a permanent non-governmental and non­ profit-making international association based in France.Get price

sf 6 Decomposition in Gas-Insulated Equipment - IEEE Journals

Abstract: The increasing application of Sulfr hexafluoride as an insulating gas has led to many studies on sf 6 decomposition in gas-insulated equipment. In the presence-of an electric arc, spark or corona, insulating gas decomposes to a wide variety of chemically active products which possess completely different properties from gaz sf6.Get price

(PDF) Mechanism of Formation of gaz sf6 Decomposition Gas

The insulating gas is commonly used as an insulating gas in different applications; however the sf 6 can be easily exploded into different decomposition gas products when subjected to electrical dischargeGet price

Mechanism of Formation of SF Decomposition Gas Products and

reaction of decomposition products with water and oxygen are shown in Fig. 2. It can be seen that the major products of the decomposition reaction are sulphur oxides, while others are fluoride compounds. The concentrations of decomposition products are directly dependent on spark conditions and energy. Figure 2. The formation of SF 6Get price

NAT 8252 - Trafag AG

Optionally, the NAT 8252 is available as a pressure switch with 1 or 2 switching outputs. The robust design and the wide temperature range from -40°C to +125°C qualify the NAT 8252 as the ideal solution for a wide range of demanding applications.Get price

EPI 8287 - Trafag AG

The industrial pressure transmitter EPI 8287 features the extremely robust and stable thin-film-on-steel sensor element from its well-proven predecessor EPI 8297. In combination with the new inhouse developed ASIC TX it offers a wide temperature range upGet price

Sulfr hexafluoride Gas Density Sensors | TRAFAG

The Gas Density Sensor uses a quarz tuning fork to sense gas density directly – a unique technology patented by Trafag. With the delivery of continuous output signals (analogue or digital) from this electronically operating sensor, Trafag opens new paths for the energy distribution industry. Utilizing the analogue or digital signal, comprehensive sf 6 gas monitoring or gaz sf6 gas trend analysis of switchgear components is implemented easily.Get price

ECT 8473 - Trafag AG

The economic pressure transmitter ECT 8473 is based on the tried and true ECT line of transmitters with the wide media temperature range from -25 to 125°C. The enhanced accuracy and the low pressure ranges down to 100 mbar in combination with a comprehensGet price

ECT 8472 - Trafag AG

The economical pressure transmitter ECT 8472 is based on the tried and true ECT line of transmitters. The wide media temperature range from -25 to 125°C in combination with a comprehensive set of of features and options makes the ECT 8472 pressure transmitter a versatile solution suitable for most industrial applications.Get price

sf 6 GAS DENSITY MONITOR - TRAFAG

gaz sf6 GAS DENSITY MONITOR Unique gaz sf6 monitoring with reference gas comparison Trafag AG Sensors Controls Industriestrasse 11 CH-8608 Bubikon Tel. +41 44 922 32 32 Fax +41 44 922 32 33Get price

insulating gas Gas density monitors and Sulfr hexafluoride Gas density sensors - TRAFAG

Trafag’s product range of gas density measuring devices splits into three different product groups: The mechanically acting sf6 gas Gas Density Monitors (87x6, 87x7, 87x8) The electronic Sulfr hexafluoride Gas Density Sensors (8774; 8775) The Sulfr hexafluoride Hybrid Gas Density Monitors (878x, 879x)Get price

Sulfr hexafluoride By-products: Safety, Cleaning, and Disposal Concerns

6 Decomposition and Contamination • Reactive decomposition byproducts form when SF 6 is exposed to: 1. spark discharges, 2. partial discharges, 3. switching arcs, and 4. failure arcing • Decomposition byproducts can take the form of gas or powders • Other types of contaminants can include moisture and air (from handling or leakage),Get price

Trafag Inc. - Company Profile | Supplier Information

Trafag is a Swiss based manufacturer founded in 1942. Today it is supported by a broad net of subsidiaries and representatives in over 40 countries with USA operations headquartered in Charlotte, NC. Trafag produces high quality sensors and monitoring instruments for measuring pressure, temperature and gas density.Get price

The sf 6 Decomposition Mechanism: Background and Significance

Jan 24, 2017 · Gas Insulated Switchgear (GIS) has been widely used in substations. The insulating medium used in GIS is sulfur hexafluoride (sf6 gas) gas. However, the internal insulation defect existed in GIS would inevitably lead to partial discharge (PD), and cause the composition of sf6 gas to SOF2, SO2F2 and SO2 and other characteristic component gases. The decomposition phenomenon would greatly reduce theGet price

sf 6 Gas Density Monitoring | TRAFAG

TrafagSulfr hexafluoride gas density monitoring: highly precise Sulfr hexafluoride gas density monitors, Sulfr hexafluoride gas density sensors - also available as a combination.Get price

Dilo Sf6 O2 Leak Testing

Welcome To Relations. insulating gasRelations (Henan) Co., Ltd. is a professional company focusing on research, production and sales of Sulfr hexafluoride Tools, includ insulating gas Monitoring Analysis equipment.sf6 gas Recyling Handling Equipment.sf6 gas On-site service and training.There is a place where you’ll get the Perfect gaz sf6 solution for all your needs.Get price

Pressure transmitters, pressure switches, thermostats, sf 6

Overview of Trafagproduct range: Pressure transmitters, pressure switches, thermostats, sf 6 gas density monitoringGet price

Sulfr hexafluoride Gas Properties - sayedsaad.com

Sulfr hexafluoride Gas Properties. Introduction. insulating gas is a combination of sulfur and fluorine its first synthesis was realized in 1900 by French researchers of the Pharmaceutical Faculty of Paris. It was used for the first time as insulating material, In the United States about 1935. In 1953, the Americans discovered its properties for extinguishing theGet price

Handling and Use of Sulfur Hexafluoride Gas

B. Decomposition Gasses and Solid By-Products When exposed to sustained or intense electrical arcs, SF 6 gas decomposes to form sulfur-fluoride gases and metal-fluorides which are toxic. If moisture is present, the decomposition by-products may also include sulfur-oxyfluorides and hydrofluoric and sulfuric acids.Get price

Decomposing Mechanism of sf 6 under Positive DC Partial

The influence of H2O on Sulfr hexafluoride decomposition characteristics under positive DC partial discharge (PD) is significant. To evaluate PD fault severity in DC sf 6-insulated equipment using the production characteristics of sf 6 decomposition components, the corresponding relationship and mathematical expression between the production of Sulfr hexafluoride decomposition components and the H2O content should beGet price

Trafag sf 6 Gas Density Monitor 8710,8720,8730,8740 By Zoriver

Trafag,8710,8720,8730,8740,insulating gas Switching point adjustment in factory Excellent vibration resistance No false alarms at low temperatures Stainless steel senso...Get price

Myth About Sulfr hexafluoride Gas In Electrical Equipment

Apr 12, 2021 · In several cases Sulfr hexafluoride switchgear is the only possible solution: for wind power plants (offshore), in caverns, for large generator circuit-breakers, and for extensions of existing installations. This often allows existing buildings use to be extended where switchgear replacement or extension to meet load growth is needed.Get price

Do’s and Don’ts of Sulfr hexafluoride Gas Handling

Do’s and Don’ts of insulating gas Gas Handling Author: Jeff Spoljarick, Dave Smithberger Subject: how ComEd has had success in keeping low emissions rates, and the lessons they have learned; Jeff Spoljarick from ABB and Dave Smithberger from First Energy, presented on the best management practices of insulating gas gas handling.Get price

Gas Density Monitors | TRAFAG

The sf6 gas Gas Density Monitor functions on the principle of reference gas comparison and therefore does not require temperature compensation. Trafag, Inc. 8848 RedGet price