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Summary of Contents for Riken Keiki SD-1DEC-AS
- Page 1 PT2E-2464 Smart Transmitter/Gas Detector Head SD-1DEC-AS Operating Manual (PT2E-178) (PT2-178)
- Page 2 Operating Precautions This detector is a gas detector that detects toxic 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. 1.
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Page 3: Table Of Contents
<Contents> 1 Outline of the Product ......................2 1-1. Preface ..........................2 1-2. Purpose of use ........................2 1-3. Definition of DANGER, WARNING, CAUTION and NOTE ..........2 1-4. Method of confirmation for Standards and Explosion proof specification ......3 2 Important Notices on Safety .................... -
Page 4: Outline Of The Product
Outline of the Product 1-1. Preface Thank you for choosing our smart transmitter/gas detector head SD-1DEC-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 gas detector properly. -
Page 5: Method Of Confirmation For Standards And Explosion Proof Specification
1 Outline of the Product 1-4. Method of confirmation for Standards and Explosion proof specification 1-4. Method of confirmation for Standards and Explosion proof specification This instrument has some specification depends on standard and explosion proof certificate. Please confirm the detector specification before using. Please refer Declaration of Conformity that is at the end of this manual if you have CE marking type. -
Page 11: Product Components
3 Product Components 3-1. Main unit and standard accessories Product Components 3-1. Main unit and standard accessories <Main Unit> <Standard Accessories> Operating manual ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ one Dedicated handling lever ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ one Dedicated control key ꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏꞏ The supplied quantity depends on the number of units to be delivered. 1 to 10 units 11 to 20 units 21 to 50 units... -
Page 14: Names And Functions For Each Part
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 (2) SET key (4) ▼ key Used to enter the maintenance mode. MENU/ESC key It is also used to cancel in a specific mode. -
Page 35: Operations And Functions
6 Operations and Functions 6-1. Gas alarm activation Operations and Functions 6-1. Gas alarm activation Gas alarm: Activated when the concentration of detected gas reaches or exceeds the alarm setpoint value. <<Auto-Reset Operation>> 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 36: 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. <Display Operation> Fault Detail Display Display a message indicating the fault detail. -
Page 39: Maintenance
7 Maintenance 7-1. Maintenance intervals and items Maintenance The gas detector is an important instrument for the purpose of safety. To maintain the performance of the gas detector and improve the reliability of safety, perform a regular maintenance. 7-1. Maintenance intervals and items ... - Page 40 7 Maintenance 7-1. Maintenance intervals and items Main Services Power Supply Checks the power supply voltage. Check Verifies that the power lamp lights up. (Verifies that relevant points can be identified on the system.) (When a UPS (uninterruptible power system) is used, checks the operation with the UPS.) Concentration Verifies that the concentration display value is zero (or 20.9 vol% on the oxygen deficiency Display Check...
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Page 54: Troubleshooting
9 Troubleshooting Troubleshooting The Troubleshooting does not explain the causes of all the malfunctions which occur on the detector. This simply helps to find the causes of malfunctions which frequently occur. 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 our overseas sales department or local representatives. - Page 55 9 Troubleshooting <Abnormalities of Readings> Symptoms Causes Actions Drifting of sensor Perform zero adjustment. output Presence of Disturbances by interference gases, such as solvents, interference gas cannot be eliminated completely. The reading rises (drops) A very small amount of the gas to be detected may be and it remains so.
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Page 56: Product Specifications
10 Product Specifications 10-1. List of specifications Product Specifications 10-1. List of specifications [SD-1DEC-AS] <ATEX/IECEx Specifications> Model SD-1DEC-AS Detection principle Electrochemical method Detectable gas H2S/CO Applicable gas SD-1DEC detector head Gas concentration LED(4digits・7segments) display Measuring range H2S：0 - 30ppm or 0 - 50ppm or 0 - 100ppm CO：0 - 75ppm or 0 - 150ppm or 0 - 200ppm or 0 - 250ppm or 0 - 300ppm... - Page 57 10 Product Specifications 10-1. List of specifications Explosion-proof Flame proof structure structure Explosion-proof grade Ⅱ2G Ex db ⅡC T6 Gb (ATEX) / Ex db ⅡC T6 Gb (IECEx) Outer dimension Approx.400(W)×265(H)×102(D)mm Weight Approx.5.9kg Color Munsell 7.5BG5/2 When a half-union for gas IN side is changed, check also the external filter (IN/OUT diameter) carefully. Outline Drawings 【Adapter A<NPT1/2>】...
- Page 58 10 Product Specifications 10-1. List of specifications [SD-1DEC-AS] <TIIS Specifications> Model SD-1DEC-AS Detection principle Electrochemical method Detectable gas H2S/CO Applicable gas SD-1DEC detector head Gas concentration LED(4digits・7segments) display Measuring range H2S：0 - 30ppm or 0 - 50ppm or 0 - 100ppm CO：0 - 75ppm or 0 - 150ppm or 0 - 200ppm or 0 - 250ppm or 0 - 300ppm...
- Page 59 10 Product Specifications 10-1. List of specifications Outline Drawings - 57 -...
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Page 61: Definition Of Terms
11 Definition of Terms Definition of Terms Electrochemical This is a principle of the sensor installed in the detector head. type See "10-2. Detection principle" for details. Output from the detector head fluctuates for a while after turning on the power. Initial clear This is a function to prevent triggering alarm during that time. - Page 62 Revision History Issue Revision details Issue date First issue 2/20/2017 Declaration of Conformity 12/23/2019 Declaration of Conformity 4/1/2020 Safety information, Declaration of Conformity 8/1/2020 Safety information, Declaration of Conformity 8/21/2020...
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