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Summary of Contents for Riken Keiki SD-1DEC
- Page 1 PT2E-1789 Smart Transmitter/Gas Detector Head SD-1DEC 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. 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
1-4 .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 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
3-1. Main unit and standard accessories 3 Product Components Product Components 3-1. Main unit and standard accessories <Main Unit> (including a cable gland or an adapter) 【ATEX/IECEx Specification】 【TIIS Specification】 - 9 -... -
Page 32: Operations And Functions
6-1. Gas alarm activation 6 Operations and Functions 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 33: 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 36: Maintenance
7-1. Maintenance intervals and items 7 Maintenance 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 37 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 51: 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 52 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 53: Product Specifications
10 Product Specifications 10-1. List of specifications Product Specifications 10-1. List of specifications <ATEX/IECEx Specifications> Model SD-1DEC Detection principle Electrochemical method Detectable gas H2S/CO 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 54 10 Product Specifications 10-1. List of specifications Outer dimension Approx.148(W)×200(H)×88(D)mm(projection excluding) Weight Approx.2.6kg Color Munsell 7.5BG5/2 Outline Drawings - 52 -...
- Page 55 10 Product Specifications 10-1. List of specifications <TIIS Specifications> Model SD-1DEC Detection principle Electrochemical method Detectable gas H2S/CO 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 56 10 Product Specifications 10-1. List of specifications Outline Drawings - 54 -...
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Page 58: 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.
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