Det-tronics 505 Combustible Gas Detector Transmitter with Comb Bedienungsanleitung

Instructions 95-8472Combustible Gas DetectorTransmitter Model 505 withCombustible Gas Sensor Model CGS 3.1 Rev: 4/12 95-8472

7 95-84723.1Conduit Seals, Drains, and BreathersThe Model 505 Transmitter is designed and approved for use in hazardous areas where explosion-proof eq

8 95-84723.1SENSOR VOLTAGE ADJUSTMENTThe combustible gas sensor is designed to operate at 3.3 Vdc. Voltages greater than this will shorten sensor lif

9 95-84723.1REPLACING AN EXISTING K SERIES OR MODEL 500 TRANSMITTER WITH A MODEL 5051. Remove power from the existing K Series or Model 500 Transmitt

10 95-84723.15. Calibrate the Model 505 Transmitter using the Calibration Procedure described below. CAUTIONCalibration of the Model 505 Transmitter

11 95-84723.11. Use formula: C x K = S C = Concentration of calibration gas in % LFL = 50 K = K-factor from Table 1 in 76-1017 = 1.44 50 x 1.

12 95-84723.1Section III — System MaintenanceTROUBLESHOOTINGTable 3 is intended to serve as an aid in locating the cause of a malfunction.The transmi

13 95-84723.1REPLACEMENT PARTSAn adequate supply of spare sensors should be kept on hand for field replacement. For maximum protection against contami

14 95-84723.1ORDERING INFORMATIONWhen ordering, please specifiy:Model 505 Catalytic Combustible Gas TransmitterRefer to the 505 Model Matrix for detail

15 95-84723.1APPENDIX AFM APPROVALTHE FOLLOWING ITEMS, FUNCTIONS AND OPTIONS DESCRIBE THE FM APPROVAL.MODEL 505 SERIES COMBUSTIBLE GAS TRANSMITTER• E

16 95-84723.1APPENDIX BCSA APPROVALTHE FOLLOWING ITEMS, FUNCTIONS AND OPTIONS DESCRIBE THE CSA APPROVAL.MODEL 505 SERIES COMBUSTIBLE GAS TRANSMITTER•

Table Of ContentsSAFETY MESSAGES ...iSection I - Description and Operating CharacteristicsDESCRIPTION ...

17 95-84723.1APPENDIX CATEX / CE APPROVALATEX CERTIFICATIONMODEL 505 SERIES COMBUSTIBLE GAS TRANSMITTERINPUT VOLTAGE—18 to 30 VdcPOWER CONSUMPTION—4.0

18 95-84723.1Special Conditions for Safe Use of CGS: The CGS Combustible Gas Sensor is certified for use in following ambient temperatures: - ambient

19 95-84723.1APPENDIX DIECEx APPROVALMODEL 505 SERIES COMBUSTIBLE GAS TRANSMITTERIECEx ULD 10.0008XEx d IIC T5-T6 GbT6 (Tamb = –55°C to +60°C)T5 (Tamb

20 95-84723.1The CGS Combustible Gas Sensor must only be mounted into the enclosures of the Infiniti Gas Transmitter Model U9500A Series, the Combustib

21 95-84723.1COMBUSTIBLE GAS TRANSMITTERSENSOR TERMINATION BOX, OPTIONAL007395-001505 SYSTEM "DEMKO"NADWG, DESIGN REFERENCE1 OF 1B1. DEMKO A

22 95-84723.1Recommended Test FormDetectorNumberDetector LocationDate InstalledDateCheckedDate CalibratedRemarks

23 95-84723.1Fault Record SheetDate TimeDate AffectedSystemStatusOperatorComments

Detector Electronics Corporation6901 West 110th Street Minneapolis, MN 55438 USAT: 952.941.5665 or 800.765.3473F: 952.829.8750W: http://www.det-troni

IMPORTANTBe sure to read and understand the entire instruction manual before installing, operating or servicing the gas detection equipment.WARNINGDo

Section I — Description andOperating CharacteristicsDESCRIPTIONThe Model 505 Transmitter is used with one constant voltage catalytic gas sensor to pr

2 95-84723.1SENSOR RESPONSEFigure 2 shows the typical response of a catalytic gas sensor to various levels of methane. Note that a reading of 40% LFL

3 95-84723.1A brief exposure to any of these materials may temporarily increase the sensitivity of the sensor due to etching of the catalytic surface.

4 95-84723.1SPECIFICATIONSTRANSMITTERINPUT VOLTAGE—With signal loop impedance option A: 10 to 30 VdcWith signal loop impedance option B: 17 to 30 Vd

5 95-84723.1CATALYTIC SENSORTEMPERATURE RANGE—Operating: –67°F to +257°F (–55°C to +125°C).Performance: –40°F to +167°F (–40°C to +75°C).HUMIDITY

6 95-84723.1Section II — Installation and StartupINSTALLATIONCAUTIONAlways store and transport the sensor in the original factory packaging to ensure