Industrial Scientific OLDHAM 300 Series Operating And Maintenance Manual Download | Manualshive

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Summary of Contents for OLDHAM 300 Series

Page 1: ...TO OR R T TR RA AN NS SM MI IT TT TE ER R F FO OR R C CO OM MB BU US ST TI IB BL LE E T TO OX XI IC C G GA AS SE ES S A AN ND D O OX XY YG GE EN N O OP PE ER RA AT TI IO ON N A AN ND D M MA AI IN NT...

Page 2: ...SPECIFIED AND SELECTED BY INDUSTRIAL SCIENTIFIC FOR SUCH USE O O W W N N E E R R S S H H I I P P C C L L A A U U S S E E S S The images blueprints specifications and information contained in this doc...

Page 3: ...17 1 5 CSC 300 semiconductor calibration 18 1 6 CTX300 CO2 calibration 19 1 7 CTX300 CO2 Linearization card 20 2 Replacing a sensor 26 3 Disposal 26 4 Replacement Parts List 26 4 1 CEX 300 type Combus...

Page 4: ...r pack not pre calibrated Removable sensor pack Infrared column not pre calibrated Options Cable gland for flexible cable or armored cable3 With display With display Certification ATEX II 2GD4 None No...

Page 5: ...nd velocity Effects of temperature Local constraints air flow water Detectors should always be located in an easily accessible location for maintenance purposes Special accessories may be necessary to...

Page 6: ...mm CEX 300 with shielded cable Nickel plated brass Between 6 11 mm CEX 300 with armored cable5 Double compression nickel plated brass Between 8 5 16 mm 2 3 Connections for the various types of sensor...

Page 7: ...IFIC central controller 1 wire No 3 1 signal wire No 1 c Connection of a 3 wire CTX300 sensor to a non INDUSTRIAL SCIENTIFIC controller and to an internal power supply R Maximum resistance 200 1 15 VC...

Page 8: ...ring line 1 and 2 Check to ensure that terminals 1 and 4 are not connected This only applies when the 2 sensors are located in the same room protecting the same installation Control unit other 1 signa...

Page 9: ...bove Ref 5 in Fig 3 Connect the cable see 2 3 Connections for the various types of sensors to the connector Ref 6 Fig 3 Return the display circuit to its original position and replace the cover b CEX...

Page 10: ...y the green LED will be lit Ref 1 in Fig 4 and a value will appear on the display screen Ref 2 in Fig 4 Fig 4 In case of a problem verify that the maintenance switch Ref 1 located on the main circuit...

Page 11: ...paragraph are reserved for authorized trained personnel because they may compromise detection reliability Gas detectors are safety devices In consideration of this Industrial Scientific recommends reg...

Page 12: ...e at most three months These recommendations are compliant with the standards and directives for safety in industrial sites Nevertheless Industrial Scientific Oldham shall not be held responsible for...

Page 13: ...ted if the detector was calibrated with too high of a flow rate IMPORTANT For CEX 300 sensors the calibration gas should contain 21 oxygen 1 2 CEX 300 calibration PROCEDURE CONTROL UNIT DETECTOR Put t...

Page 14: ...tral controller maintenance mode Verify that the sensor is located in a clean air environment If not inject synthetic air at a flow rate of 30 l h Wait for the measurement to stabilize displayed on sc...

Page 15: ...f 13 Fig 5 into the CAL calibration position the sensor will send a 2 mA current to the central controller maintenance mode Verify that the sensor is located in a clean air environment If not inject s...

Page 16: ...ed to zero otherwise repeat the procedure Switch the maintenance on off switch to the MES measure position rep 5 Fig 3 1 4 COX 300 Calibration OXYGEN type COX 300 oxygen with display screen See paragr...

Page 17: ...saturating it with distilled water Replace the lid and check that all parts are properly assembled and that the assembly is fully airtight Adjust the flow rate to 60 l h and wait 10 minutes until the...

Page 18: ...ing the calibration gas and verify that the reading returns to zero 880 mV If it does not repeat the procedure CALIBRATION COMPLETE Flip the switch Ref 1 Fig 17 into the MES position 1 6 CTX300 CO2 ca...

Page 19: ...tween terminals 1 and 2 With the potentiometer Z adjust the current to 4 mA With the ammeter still connected inject the test gas at a rate of 60 l h Adjust the sensitivity with the potentiometer S Ref...

Page 20: ...21 CALIBRATION CURVES CO2 IR Transmitter Output Signal...

Page 21: ...22 CO2 DETECTOR 0 10000 ppm 1 measurement range DISPLAY Display Concentration in ppm CO2...

Page 22: ...23 CO2 DETECTOR 0 5 CO2 measurement range DISPLAY Display Concentration in CO2...

Page 23: ...24 CO2 DETECTOR 0 10 CO2 measurement range DISPLAY Display Concentration in CO2...

Page 24: ...25 CO2 DETECTOR 0 50 CO2 measurement range DISPLAY Display Concentration in CO2...

Page 25: ...tion of natural resources the CEX CTX 300 must be disposed of separately from electronic equipment and cannot be disposed of with normal household waste The user therefore has an obligation to separat...

Page 26: ...31166 REPLACEMENT FILTERS PTFE PROTECTOR FILTER ACTIVE CHARCOAL PROTECTOR FILTER 6335953 6335954 REPLACEMENT SENSORS Standard explosimetric sensor 6313662 REPLACEMENT PARTS Metallic cable glands 6 11...

Page 27: ...20 GAS COLLECTOR INOX 6323607 GAS INTRODUCTION DEVICE FOR O2 CO H2S NO H2 FOR COMBUSTIBLE AND OTHER TOXIC GASES 6331137 6331141 GAS FLOW HEAD 6327905 Device for remote gas introduction 6327906 REPLACE...

Page 28: ...ACK HCN 10 ppm HCN 30 ppm CTX 300 SENSOR PACK NH3 100 ppm NH3 1000 ppm NH3 0 to 5 000 ppm CTX 300 SENSOR PACK HF 10 ppm CTX 300 SENSOR PACK 03 1 ppm CTX 300 SENSOR PACK PH3 1 ppm CTX 300 SENSOR PACK C...

Page 29: ...NSOR SENSOR SENSOR SENSOR SENSOR WC30CLM WC3050L WC30F22 WC30F13 WC30C0V REPLACEMENT PARTS MOTHERBOARD PG9 CABLE GLAND 6451396 6143428 4 4 CTX300 CO2 Sensor DESCRIPTION OFSA REF TOOLS CTX 300 TOOL KIT...

Page 30: ...es between 20 C to 60 C for a T6 temperature class and between 20 C to 70 C for a T5 temperature class The cables will be mechanically protected The transmitter body will be grounded with an external...

Page 31: ...red value year Humidity effect 10 to 90 RH at 40 C 5 of relative sensitivity Max recommended interval between calibrations under normal operating conditions 6 months Calibration content 30 80 of the L...

Page 32: ...ed gas and the corresponding coefficient Table 1 COEFFICIENTS FOR CALIBRATION Gas Molecular Structure LEL LSE Vapor Density Coeffici ent Coeffici ent Coefficie nt Acetone C3H6O 2 15 13 0 2 1 1 65 1 2...

Page 33: ...tane Note LELs vary according to the source The LEL values reported here come from European standard EN 50054 Coefficients are accurate to 15 3 Markings OLDHAM 0080 CEX 300 II 2GD IP66 U max 2 8V I ma...

Page 34: ...35 VI CERTIFICATIONS...

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Page 37: ...38 ANNEXES ANNEX 1 GENERAL WIRING SPECIFICATIONS ANNEX 2 INSTRUCTIONS FOR CALIBRTING THE CTX 300 SEMICONDUCTOR ANNEX 3 VIEW OF THE CTX 300...

Page 38: ...IONS Decree No 88 10546 of 11 14 88 worker protection Edict of 12 19 88 conditions for equipment installation in places presenting a risk of explosion Decree No 78 779 of 07 17 78 modified by Decree N...

Page 39: ...your use ACCEPTABLE CABLE TYPES SUBJECT TO ADHERENCE TO THE RECOMMENDATIONS OF THIS SPECIFICATI Examples yellow green not included Non exhaustive list Non ATEX Zone CNOMO FRN05 VC4V5 F ATEX Zone GEUEL...

Page 40: ...e C6H5CH3 Xylene C6H4 CH3 2 Ethanol C2H5OH 500 ppm 2 000 ppm 2 000 ppm 5 000 ppm 75 ppm Trichloroethylene 100 ppm Toluene 100 ppm Xylene 1 000 ppm Ethanol 300 ppm CO 120 ppm 35ppm 300 ppm CO 330ppm 50...

Page 41: ...42 ANNEX 3...

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