Oldham OLCT 20 Скачать руководство пользователя | Manualshive

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Содержание OLCT 20

Страница 1: ...1 User manual OLCT 20 Part Number NPO20GB Revision E 0 The Fixed Gas Detection Experts...

Страница 2: ...written consent of Oldham S A S All information provided in this document is accurate to the best of our knowledge As a result of continuous research and development the specifications of this product...

Страница 3: ...2 wire version OLCT 20d 7 2 wire Intrinsic Safety version OLCT 20i 8 Installation 9 Regulations and operating conditions 9 Equipment required 9 Positioning the detector 9 Mounting the detector 10 Main...

Страница 4: ...ructions for use in explosive atmospheres and fonctional safety 27 General comments 27 Warnings 27 Requirements for use in dust explosive atmospheres 27 Cable entries 27 Threaded joints 28 Limitations...

Страница 5: ...AVE BEEN SELECTED BY OLDHAM ACCORDING TO THE APPLICATION Ownership clauses The drawings specifications and information herein contain confidential information that is the property of OLDHAM This infor...

Страница 6: ...cleaning agents tetraethyl lead e g leaded petrol particularly aviation petrol Avgas sulfur compounds sulfur dioxide hydrogen sulfide halogenated compounds R134a HFO etc organo phosphorus compounds e...

Страница 7: ...ymbol denotes Protective earth terminal A cable of the adequate diameter must be connected to ground and to the terminal having this symbol This symbol denotes Attention In the present mode of use fai...

Страница 8: ...1 Overwiew 4...

Страница 9: ...of certified OLCT 20d or intrinsically safe certified OLCT 20i OLC 20s and OLCT 20s are available in NPT or M25 screw fittings and are designed to be attached on a junction box or any compatible gener...

Страница 10: ...ensure you read the paragraph Special Specifications for use in Potentially Explosive Atmospheres in Accordance with European Directive ATEX 2014 34 EU See Appendix 1 for general installation instruc...

Страница 11: ...use in Explosive Atmospheres in Accordance with European Directive ATEX 2014 34 EU 3 wire version OLC 20d OLCT 20d Figure 2 A B C D E OLDHAM controller OLC or OLCT 20 Grounding Power supply Signal I 2...

Страница 12: ...5 Maintenance 8 2 wire Intrinsic Safety version OLCT 20i Figure 4 A B C OLDHAM controller OLCT 20 Zener Barrier...

Страница 13: ...d and OLCT20d are authorized for use in zones 1 2 21 and 22 for ambient temperatures ranging between 20 C to 70 C except OLC20d HT See Chapter 10 OLCT20i are authorized for use in zones 0 1 2 20 21 an...

Страница 14: ...ss to the measuring sensor so that it can be replaced easily Factors to be considered in determining optimal detector positioning potential sources of gas and vapour emissions chemical and physical da...

Страница 15: ...l additional requirements that may apply in the country of installation Maintenance frequency Gas detectors are safety devices Oldham recommends regular testing of fixed gas detection installations Th...

Страница 16: ...annel and check that it operates correctly Transmitters OLCT 20 OLCT 20 gas transmitters are equipped with a pre calibrated sensor and do not require any adjustment on installation However as gas dete...

Страница 17: ...n position alarm relays inhibited Set the measuring channel back to the normal position and make sure that it is working properly Rotate the sensor module and extract it 1 2 Once calibrated put the se...

Страница 18: ...the training course provided by OLDHAM or by a person authorized by OLDHAM Replacing a sensor on OLCT 20 When When the sensor is damaged or cannot be calibrated On a preventive basis How Turn off the...

Страница 19: ...SF6 6 313 203 OLCT 20d sensor cell 0 100 vol H2 6 314 100 Infrared sensor cell 0 5 vol CO2 for OLCT 20 XP IR 6 314 101 Infrared sensor cell 0 10 vol CO2 for OLCT 20 XP IR 6 314 146 Infrared sensor cel...

Страница 20: ...nsor cell 0 100 ppm 6 313 720 OLCT 20i NO sensor cell 0 300 ppm 6 313 721 OLCT 20i NO sensor cell 0 1000 ppm 6 313 722 OLCT 20i NO2 sensor cell 0 10 ppm 6 313 723 OLCT 20i NO2 sensor cell 0 30 ppm 6 3...

Страница 21: ...Stainless Steel Protects the detector from liquids Impact on reading none Impact on response time response time in diffusion mode may increase for certain gases contact us for more information 612901...

Страница 22: ...7 Accessories 18...

Страница 23: ...mode Output signal mV bridge output 3 wires OLCT 20d Power supply voltage on detector terminals 15 Vdc to 30 Vdc Power consumption 3 wire version 100 mA 2 wire version 25 mA Load resistance maximum re...

Страница 24: ...3 Ammonia 100 1000 5000 20to 40 15 90 5 20 150or10 24 25 70 20 60 60 180 a NO Nitricoxide 100 300 1000 20to 50 15 90 2 0 100range 36 10 30 a NO2 Nitrogen dioxide 30 0 20to 50 15 90 0 8 24 30 60 a O2 O...

Страница 25: ...RH 1 bar 10 6 months maximum b 25 C to 60 C 20 to 60 RH 1 bar 10 6 months maximum c 4 C to 20 C 20 to 60 RH 1 bar 10 3 months maximum d 20 C to 50 C 20 to 60 RH 1 bar 10 6 months maximum Cross gas fac...

Страница 26: ...3 00 15 50 1 50 0 80 0 75 Ethanol C2H6O 3 30 19 00 2 15 1 75 1 15 1 05 Ether diethylether C2H5 2O 1 70 36 00 1 90 1 00 0 90 Ethylene C2H4 2 70 34 00 1 65 1 35 0 90 0 80 G P L 2 Prop But 1 65 9 0 1 9...

Страница 27: ...8 6 0 3 50 1 85 1 70 Triethylamine C6H15N 1 20 8 2 05 1 10 1 00 White spirit mixture 1 10 6 50 3 50 1 85 1 70 Xylene C8H10 1 00 7 60 4 00 2 15 1 90 Items in gray recommended gas for calibrating the d...

Страница 28: ...8 Technical Specifications 24...

Страница 29: ...9 EU Declaration of Conformity 25 EU Declaration of Conformity...

Страница 30: ...9 EU Declaration of Conformity 26...

Страница 31: ...pening Read instructions notice cable glands Requirements for use in dust explosive atmospheres For the equipment installed in dust explosive atmosphere user shall ensure a sufficient cleaning to prev...

Страница 32: ...rs have been exposed to these types of compounds an inspection or calibration must be performed High concentration of organic solvents e g alcohols aromatic solvents etc or exposure to gas concentrati...

Страница 33: ...s input characteristics to correctly interpret the data coming in from the transmitter Similarly the central controller must provide sufficient voltage to compensate for any voltage drop caused by the...

Страница 34: ...0 C T3 for Tamb up to 180 C T2 for Tamb up to 200 C WARNING Do not open when energized Read user manual cable glands OLCT 20d detector OLDHAM SAS 62027 ARRAS France OLCT20d CE0080 INERIS 01ATEX0004X I...

Страница 35: ...s for use in explosive atmospheres and fonctional safety 31 OLCT 20i detector for mine OLDHAM SAS 62027 ARRAS France OLCT20i CE0080 INERIS 01ATEX0004X I M1 Ex ia I Ma T Amb 20 C to 70 C WARNING Read u...

Страница 36: ...AND OFFICES Z I Est rue Orfila CS 20417 62027 Arras Cedex FRANCE T l 33 0 3 21 60 80 80 Fax 33 0 3 21 60 80 00 Website https gasdetection 3m com AMERICAS Tel 1 713 559 9280 Fax 1 281 292 2860 ASIA PAC...

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