Dräger Polytron Pulsar 2 Instuctions For Use
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Dräger Polytron Pulsar 2 Instuctions For Use

Open path gas detector
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Dräger Polytron Pulsar 2
Open Path Gas Detector
Polytron Pulsar 2 - Instuctions For Use
en
3 - 16
WARNING
!
You must read, understand, and follow these instructions for use
before you use the gas detector in order to ensure the proper
operation and function of the gas detector.

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Summary of Contents for Dräger Polytron Pulsar 2

  • Page 1 Dräger Polytron Pulsar 2 Open Path Gas Detector Polytron Pulsar 2 - Instuctions For Use 3 - 16 WARNING You must read, understand, and follow these instructions for use before you use the gas detector in order to ensure the proper...

  • Page 3: For Your Safety

    Safety Symbols used in this Instructions For Use For Your Safety Safety Symbols used in this Instructions For Use While reading these Instructions For Use, you will come across a number of Strictly follow these Instructions for Use warnings concerning some of the risks and dangers you may face while using the Any use of the gas detector requires full understanding and strict observation of device.

  • Page 4: Intended Use

    Dräger Polytron Pulsar 2 Open Path Gas Detector is immune to sunlight so there is no need to take account of the sun position when siting detectors. NOTE: The Dräger Polytron Pulsar 2 Open path Gas Detector is one of the family of detectors certified under the designation GD8. All certificates will The density of the gas to be detected has to be considered.
  • Page 5 Mounting the unit The Dräger Polytron Pulsar 2 Open Path Gas Detector should be mounted to a stable structure free of excessive vibration. Good choices would be a steel bulkhead, Figure 2: Wall mounting of Dräger Polytron Pulsar 2 Open Path Gas Detec- brick wall, concrete post or a rigid steel structure.
  • Page 6 Installing Figure 3: Connection powered via transmitter Figure 4: Connection powered via receiver...
  • Page 7 Figure 6 for termination descriptions (e.g. pin 1 = digital, pin 2 = 24V, pin 3 = 0-20mA, pin 4 = Common). NOTICE It is critical that each pin is fitted to the correct locations, failure to do so may result in damage to the Dräger Polytron Pulsar 2.
  • Page 8 Installing Connecting the plug and socket Figure 6: Cable Preparation and Wiring Ensuring that the key way is in the correct position, push the socket into the plug. Turn the connector to the right by approximately 30° and then fully insert before screwing the coupling of the socket to the plug in order to establish the IP protection and mechanical protection.
  • Page 9 • Adjust the receiver left↔right and up↔down (adjusting greater offset direction NOTE: The following instructions assume the Polytron Pulsar 2 Open Path first) until maximum signal is obtained, and centre the receiver target display. Gas Detector has been correctly mounted, and the electrical connections...
  • Page 10 Commissioning 30 to 120m and 100 to 200m transmitters message is displayed: ‘SAFETY WARNING’ Are you sure beam path is free • Connect the Hand Held Terminal and check that the signals from the receiver of gas? are being displayed. If they were absent it would indicate that the digital link •...

  • Page 11: Normal Operation

    USER in ‘Rx Memory Menu’. To see the settings that are available SETS The Dräger Polytron Pulsar 2 Open Path Gas Detector generates a 4-20mA signal, to be sent, choose in the ‘Not Connected’ menu. To change them, connect proportional to the measured gas concentration, when the device configured for the Dräger Hand Held Terminal to a computer in the non-hazardous area, go to...

  • Page 12: The Hand Held Terminal

    It replaces the MTL611B Communicator (based on a Psion Organiser) that was formerly supplied. The Hand Held Terminal is used to align and zero the Dräger Polytron Pulsar 2 transmitter and receiver and to Part Number Dräger Polytron Pulsar 2 Accessories...
  • Page 13 EIA RS 485 multi-drop. In the simplest form, only the 4-20mA signal from each Dräger Polytron Pulsar 2 Open Path Gas Detector is used for indication and control action, with states requiring operator attention signalled as static values of the current.

  • Page 14: Maintenance

    PC running Emerson AMS Software The Dräger Polytron Pulsar 2 Open Path Gas Detector will warn the operator if the optics becomes contaminated or if it becomes misaligned for any reason.

  • Page 15: Fault - Cause - Remedy

    Fault and warning messages: see Technical Manual, section “Faults, Cause, and questions requiring disposal, then please contact this location. Remedy”. Safety Integrity Level The Dräger Polytron Pulsar 2 Open Path Gas Detector is suitable for use in SIL 2 applications. NOTICE For applications with Safety Integrity Level (SIL) and any other configuration (when applicable), observe the Technical Manual.

  • Page 16: Technical Data

    Technical Data Technical Data Operating Limit: -40°C to +60°C (-40°C to +140°F), 800 to 1100 hPa, 0 to Measuring technique Infrared absorption dual band technique 100% rel. hum characteristics IP rating IP 66/67 Repeatability ±0.1 LELm Supply Voltage ATEX 18 to 30 VDC Linearity Error ±5% of Full Scale Deflection UL, CSA...
  • Page 18 Manufactured by Dräger UK Limited Dräger Safety AG & Co. KGaA Ullswater Close Revalstraße 1 Blyth Riverside Business Park 23560 Lübeck, Germany Blyth, Northumberland NE24 4RG, United Kingdom Tel +49 451 882 0 Fax +49 451 882 20 80 Tel: +44 1670 352 891 Fax: +44 1670 544 475 www.draeger.com www.draeger.com...

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