Press release from Business Wire India
Tuesday, April 06, 2010 09:30 AM IST (04:00 AM GMT)
Editors: General: Environment; Business: Advertising, PR & marketing, Business services, Chemicals, Energy companies, Water; Technology
Crowcon's TXgard IS+ Intrinsically Safe Detector Now UL Certified
Global Certifications Allow use in Zone 0, 1 and 2 or Division 1 or 2 Hazardous Areas
Mumbai, Maharashtra, India, Tuesday, April 06, 2010 -- (Business Wire India) -- Crowcon's intrinsically safe TXgard-IS+ gas detector is fitted with electrochemical sensors which enable it to detect a wide range of toxic gases and oxygen. Gases detected include those commonly found in industrial applications such as carbon monoxide (CO), hydrogen sulphide (H2S), chlorine (Cl2), ammonia (NH3), nitrogen dioxide (NO2), sulphur dioxide (SO2) and oxygen (O2).
Photo: http://www.halmapr.com/crowcon/TXgard-ISplus-H2.jpg (400 KB)
Already certified to ATEX* and IECEx** standards, the addition of UL*** certification means the TXgard IS+ can now be used globally, including China and South East Asia, North America and the Middle East in Zone 0, 1 or 2 or Division 1 or 2 hazardous areas when used with a safety barrier (zener barrier or galvanic isolator) ****.
Typical environments where the Txgard IS+ can be used include plastic, rubber, chemical and semiconductor manufacturing plants, water and sewage treatment plants, steel manufacturing facilities, oil and gas drilling and processing facilities, car parks and tunnels.
Tough and hard-wearing, with IP65 ingress protection, the Txgard-IS+ already has a proven track record in industrial and offshore oil and gas installations worldwide. Simple to operate, it has an intuitive display menu and keypad which enables simple maintenance and which provides comprehensive diagnostic facilities which allow true, one-person non-intrusive calibration.
The detector has configurable display options and configurable fault and inhibit currents. Also, by displaying line voltage, there is no need to access test points inside the unit. In addition, the signal current can be ramped manually to a desired value to simplify commissioning with control panels.
Sensor signals are temperature compensated and the device is compatible with virtually any 4-20mA control system. Unlike some 4-20mA gas detectors featuring LCD displays and keypads, the Txgard IS+ combines its power and signal in just two wires, so only one zener barrier is required.
* ATEX - EU Directive covering equipment for use in potentially explosive environments
** IECEx - a scheme to facilitate international trade in equipment and services for use in explosive areas
*** UL - Underwriters Laboratories Inc. The leading North American product safety certification organization, whose certifications are recognised worldwide
**** A zener barrier is an electrical safety barrier that limits the voltages and currents appearing in the hazardous location when faults occur on a circuit. A galvanic isolator is used in situations where two or more electric circuits must communicate, but their grounds may be at different potentials.
Crowcon, a subsidiary of Halma p.l.c., is a world leader in portable and fixed gas detection instruments. Formed in 1970, the company is based in Oxfordshire in the UK and has branch offices in the Netherlands, the USA, Singapore and China. It specialises in developing, manufacturing and marketing innovative, reliable and cost-effective flammable and toxic gas detection equipment and has constantly led the field with products designed for safety and environmental monitoring.
Crowcon's products are sold throughout the world, serving oil, gas and petrochemical companies, public utilities, clean water and sewage treatment companies, fire brigades, construction companies and other organisations where accidental leakage of gas or vapour can become a toxic or explosive danger. The company is represented in India by Detection Instruments Pvt. Ltd. in Mumbai (www.detection-india.com).
Halma is an international market leader in safety, health and sensor technology. It is a public company listed on the London Stock Exchange and has over 4000 employees in over 40 subsidiaries worldwide with a total turnover of over US$742m (2009). Halma's subsidiaries make products that protect lives and improve the quality of life for people through innovation in market leading products which make its customers safer, more competitive and more profitable. These subsidiaries are assisting India's economy in areas such as energy, manufacturing, healthcare, water and waste treatment, construction and transport.
For further news about Halma in India and to subscribe to the Halma India RSS News Feed please visit our blog at: http://halmapr.com/news/india/.
Crowcon head office contact details:
Crowcon Detection Instruments Ltd
2 Blacklands Way, Abingdon Business Park
Abingdon OX14 1DY
Tel: +44 (0) 1235 557700, Fax: +44 (0) 1235 557718
Kishore Degwekar, Managing Director, Detection Instruments Pvt. Ltd., +91 (22) 27617663 / 64 / 65 / 66, email@example.com / firstname.lastname@example.org
Damian Corbet, Halma PR Services, +44 (0)20 8511 1821, email@example.com
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