gas sensor/ transmitter - Trolex

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T X 6 3 5 1 . 0 1 i T X 6 3 5 2 . 0 1 iSENTRO GAS SENSOR/TRANSMITTERefficient maintenance...Service and maintenance can be a high cost factor in supporting anefficient and safe gas monitoring programme.One of the main objectives of SENTRO was to move on fromtraditional methods and produce a sensor that could be easilymaintained by Plant Engineers without the need for intervention byqualified specialists.ATEXM1GROUP IINTRINSICALLYSAFEWhatever service needs to be carried out, it is simple and quick –engendering confidence in the product so ensuring a greater levelof plant safety....highlycosteffectiveRecalibrate by changingthe gas sensing module.Simple push-in robust filter system canbe changed in seconds without tools.The complete maininternal control modulecan be changed if majorservice is required.Rapid calibration usingthe IR Commander.Clear and concisediagnostic messagesand function data.Additional detailed technical data is available in theSENTRO INSTALLATION AND OPERATING DATAtrolex.com6 /9ISSUE B 10/08
T X 6 3 5 1 . 0 1 i T X 6 3 5 2 . 0 1 iSENTRO GAS SENSOR/TRANSMITTERintrinsically safe operation • choice of output options...One of the most important characteristics of a sensor is its ability tointegrate directly in a trouble-free way, with other plant equipment andmonitoring devices. SENTRO has no equal in its choice of direct fullyconditioned output signals to satisfy most preferences – just forget aboutadditional power-packs or signal interface devices; they won't be needed.ATEXM1GROUP IINTRINSICALLYSAFEPOWER IN• 12V dc• 0.4...2V• 4...20mA• Dual contacts• RS485 dataOUTPUT SIGNALsentrointegratesdirectlyHAZARDOUSAREAtrouble-free installation...UNIQUE ACCESSIBILITY–The cover of the housing may beremoved, even with power applied,for module replacement and service.STANDARD POWER SOURCEUses standard mining approved 12V dc power suppliesTX6620, TX6630 and TX6640 series.DIRECT SIGNAL INTERFACEOutput signal options, all able to interface DIRECTLYwith Exe, Exd and intrinsically safe equipment.2V• Mining standard 0.4...2V dc.0.4• Mining standard 4...20mA outputwith optional 4 wire connection or2 wire, line powered format wheretoxic gas sensors are used.• Dual contacts with audio/visual alarmwarnings incorporated, so doing awaywith remote auxiliary alarm devices.• Cable saving SENTRO RS485datacomms, with up to 32 SENTROgas sensors on a single data cable.420mARS485 DATACOMMSmVmV7 /9ISSUE B 10/08
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gas sensor/ transmitter - Trolex

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