gas sensor/ transmitter - Trolex

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T X 6 3 5 1 . 0 2 e T X 6 3 5 2 . 0 2 e SENTRO GAS SENSOR/TRANSMITTER efficient maintenance... Service and maintenance can be a high cost factor in supporting an efficient and safe gas monitoring programme. One of the main objectives of SENTRO was to move on from traditional methods and produce a sensor that could be easily maintained by Plant Engineers without the need for intervention by qualified specialists. ATEX Whatever service needs to be carried out, it is simple and quick – engendering confidence in the product so ensuring a greater level of plant safety. GROUP II 2G INCREASED SAFETY ...highly costeffective Recalibrate by changing the gas sensing module. Simple push-in robust filter system can be changed in seconds without tools. The complete main internal control module can be changed if major service is required. Rapid calibration using the IR Commander. Clear and concise diagnostic messages and function data. Additional detailed technical data is available in the SENTRO INSTALLATION AND OPERATING DATA trolex.com 6 /9 ISSUE B 10/08
T X 6 3 5 1 . 0 2 e T X 6 3 5 2 . 0 2 e SENTRO GAS SENSOR/TRANSMITTER Zone 1 increased safety • choice of power and output options... One of the most important characteristics of a sensor is its ability to integrate directly in a trouble-free way, with other plant equipment and monitoring devices. SENTRO has no equal in its choice of directly connected power-up options and a range of fully conditioned output signals to satisfy most plant preferences – just forget about additional power-packs, signal interface devices or safety barriers; they won't be needed, installation is simple and straightforward. ATEX GROUP II 2G INCREASED SAFETY POWER IN • 230V ac • 110V ac • 4...20mA • Dual contacts • RS485 data OUTPUT SIGNAL sentro integrates directly ZONE 1 HAZARDOUS AREA trouble-free installation... UNIQUE ACCESSIBILITY– The cover of the housing may be removed, even with power applied, for module replacement and service. SIMPLE, DIRECT CONNECTION Direct installation in Zone 1 hazardous areas using standard armoured cables – no safety barriers needed. STANDARD POWER SOURCE Uses standard locally available power sources; 110V ac or 230V ac – no safety barriers needed. DIRECT SIGNAL INTERFACE Output signal options, all able to interface DIRECTLY with Exe, Exd and intrinsically safe equipment. • Industry standard 4...20mA output with optional 4 wire connection or 2 wire, line powered format where toxic gas sensors are used. • Dual contacts with audio/visual alarm warnings incorporated, so doing away with remote auxiliary alarm devices. • Cable saving SENTRO RS485 datacomms, with up to 32 SENTRO gas sensors on a single data cable. 4 20mA RS485 DATACOMMS mV mV 7 /9 ISSUE B 10/08
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gas sensor/ transmitter - Trolex

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