Riken Keiki SD-1D-AS Operating Manual
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Riken Keiki SD-1D-AS Operating Manual

Smart transmitter/gas detector head
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PT2E-2017
Smart Transmitter/Gas Detector Head
SD-1D-AS
Operating Manual
(PT2E-161)
(PT2-161)

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Summary of Contents for Riken Keiki SD-1D-AS

  • Page 1 PT2E-2017 Smart Transmitter/Gas Detector Head SD-1D-AS Operating Manual (PT2E-161) (PT2-161)
  • Page 2 Operating Precautions This detector is a gas detector that detects combustible gases in the air and triggers a gas alarm. The gas detector is a safety unit, not an analyzer or densitometer which performs quantitative/qualitative analysis/measurement for gases. Please fully understand the following points before using it, so that it can be used properly. This detector may be interfered by gases and vapors other than the gas to be detected.

  • Page 3: Table Of Contents

    <Contents> 1 Outline of the Product 1-1. Preface ......................... 2 1-2. Purpose of use ..................... 2 1-4. Method of confirmation for Standards and Explosion proof specification .... 3 2 Important Notices on Safety 2-1. Danger cases ....................... 4 2-2. Warning cases ..................... 5 2-3.

  • Page 4: Outline Of The Product

    Outline of the Product 1-1. Preface Thank you for choosing our smart transmitter/gas detector head SD-1D-AS. Please check that the model number of the product you purchased is included in the specifications on this manual. This manual explains how to use the detector and its specifications. It contains information required for using the detector properly.

  • Page 14: Product Components

    3 Product Components 3-2. Names and functions for each part (6) Alarm lamp (7) Fault lamp (5) Power lamp (1) MENU/ESC key (3) ▲ key (8) Concentration value display (4) ▼ key (2) SET key Used to enter the maintenance mode. MENU/ESC key It is also used to cancel in a specific mode.

  • Page 28: How To Operate

    5 How to Operate 5-1. Preparation for start-up How to Operate 5-1. Preparation for start-up Before connecting a power supply, read and understand the following precautions. Ignoring these precautions may cause an electric shock or damage the detector.  Connect the detector to a grounding circuit. ...

  • Page 36: Operations And Functions

    6 Operations and Functions 6-1. Gas alarm activation Operations and Functions 6-1. Gas alarm activation Gas alarm: Triggered when the concentration of detected gas reaches or exceeds the alarm setpoint value. <<Auto-Reset>> NOTE The alarm setpoint is factory-set. Although the alarm delay time (standard: 2 seconds) works in the detector to prevent a false activation, it can be cancelled if not needed.

  • Page 37: Fault Alarm Activation

    After the detector is successfully returned from the fault, it restarts with the process normally performed right after it is turned on (initial clear). If the detector has problems and is repeatedly malfunctioning, contact RIKEN KEIKI immediately. NOTE For information on malfunctions (error messages), see "9. Troubleshooting".

  • Page 40: Maintenance

    7 Maintenance 7-1. Maintenance intervals and items Maintenance The detector is an important instrument for the purpose of safety. To maintain the performance of the detector and improve the reliability of safety, perform a regular maintenance. 7-1. Maintenance intervals and items ...
  • Page 41 To maintain the safety operation of the detector, please use our maintenance service.  The following are typical maintenance services. For more information, please contact RIKEN KEIKI. Main Services Power supply check Checks the power supply voltage.
  • Page 44 7 Maintenance 7-1. Maintenance intervals and items 2-5. Various Electrical Settings Display Display various electrical settings. This is not used by the user. 2-6. Enter the factory mode. This is not used by the user. rET. is displayed. 2-7. Press the SET key Return to the user mode.

  • Page 54: Replacement Parts

    * The operation must be checked after replacement by a qualified service engineer. For the stable operation of the detector and safety, ask a qualified service engineer to take care of replacement of the parts. Request RIKEN KEIKI for operation check. NOTE The above replacement intervals are recommendation only.

  • Page 56: Troubleshooting

    If the detector shows a symptom which is not explained in this manual, or still has malfunctions even though remedial actions are taken, please contact RIKEN KEIKI. <Abnormalities on Unit>...
  • Page 57 For information on actions, such as removal filter, please The reading rises contact RIKEN KEIKI. (drops) and it remains A very small amount of the gas to be detected may be leaking (slow leak). Because ignoring it may cause Slow leak dangers, take a remedial measure, i.e., taking actions the...

  • Page 58: Product Specifications

    10 Product Specifications 10-1. List of specifications Product Specifications 10-1. List of specifications [SD-1D-AS (TYPE GP)] <ATEX/IECEx Specifications> Detection principle Catalytic combustion type Gas to be detected Combustible gas Applicable gas SD-1D (TYPE GP) detector head Concentration display Seven-segment LED (four-digit)
  • Page 59 10 Product Specifications 10-1. List of specifications Operating -20 - +60ºC (at a constant condition) temperatures Operating humidities Below 95% RH (Non-condensing) Structure Wall mounting sampling unit (Cu or SUS type) Explosion-proof Flame-proof enclosures structure Explosion-proof grade Ⅱ2G Ex db ⅡC T5 Gb(ATEX) / Ex db ⅡC T5 Gb (IECEx) External dimensions Approx.
  • Page 60 10 Product Specifications 10-1. List of specifications [SD-1D-AS (TYPE NC)] <ATEX/IECEx Specifications> Detection principle New ceramic type Gas to be detected Combustible gas Applicable gas SD-1D (TYPE NC) detector head Concentration display Seven-segment LED (four-digit) Detection range Depending on the gas to be detected...
  • Page 61 10 Product Specifications 10-1. List of specifications Outline Drawings 【Cable gland<G3/4>】 【Adapter A<NPT1/2>】 - 59 -...
  • Page 62 10 Product Specifications 10-1. List of specifications Outline Drawings 【Adapter B<NPT3/4>】 - 60 -...
  • Page 63 10 Product Specifications 10-1. List of specifications [SD-1D-AS (TYPE GP)] <TIIS Specifications> Detection principle Catalytic combustion type Gas to be detected Combustible gas Applicable gas SD-1D (TYPE GP) detector head Concentration display Seven-segment LED (four-digit) Detection range 0 to 100%LEL Display resolution 0.5%LEL...
  • Page 64 10 Product Specifications 10-1. List of specifications [SD-1D-AS (TYPE NC)] <TIIS Specifications> Detection principle New ceramic type Gas to be detected Combustible gas Applicable gas SD-1D (TYPE NC) detector head Concentration display Seven-segment LED (four-digit) Detection range Depending on the gas to be detected...
  • Page 65 10 Product Specifications 10-1. List of specifications Outline Drawings - 63 -...

  • Page 66: Detection Principle

    10 Product Specifications 10-2. Detection principle 10-2. Detection principle [Catalytic Combustion Type] When a combustible gas burns on the surface of a oxidation catalyst, the catalytic combustion type sensor considers resultant combustion heat as temperature and resistance changes in the platinum wire coil, and measures their gas concentrations.

  • Page 67: Definition Of Terms

    11 Definition of Terms Definition of Terms Catalytic This is a principle of the sensor installed in the TYPE GP. combustion type See "10-2. Detection principle" for details. This is a principle of the sensor installed in the TYPE NC. New ceramic See "10-2.

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Pt2e-161Pt2-161

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