Riken Keiki SD-1DOX Operating Manual
Smart transmitter/gas detector head
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- Operating manual (63 pages) ,
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- Operating manual (50 pages)
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Summary of Contents for Riken Keiki SD-1DOX
- Page 1 PT2E-3001 Smart Transmitter/Gas Detector Head SD-1DOX (TYPE MED EX) Operating Manual (PT2E-179)
- Page 2 Operating Precautions This detector is an oxygen deficiency detector that detects oxygen in the air and triggers an oxygen deficiency alarm. The oxygen deficiency detector is a safety unit, not an analyzer or densitometer which performs quantitative/qualitative analysis/measurement for oxygen. Please fully understand the following points before using it, so that it can be used properly.
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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-1DOX(TYPE MED EX). 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 11: Product Components
3 Product Components 3-2. Names and functions for each part 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. -
Page 29: Operations And Functions
6 Operations and Functions 6-1. Alarm activation Operations and Functions 6-1. Alarm activation Oxygen concentration alarm: Activated when the detected oxygen concentration 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 30: Fault Alarm Activation
6 Operations and Functions 6-2. Fault alarm activation <Response to Alarm> An oxygen concentration value falls below the alarm setpoint When an alarm is triggered, take actions in accordance with your management rules of alarm. Normally, take the following actions. ... -
Page 33: 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 34 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...
- Page 42 7 Maintenance 7-2. Maintenance mode(Regular maintenance) <Suppression Value Setting for 20.9% "2-4.6", Negative Suppression Value Setting "2.4.J"> 2-4.6 2-4.6 ◎ ○ ○ Press SET key. ↓ ↓ 20.9% Suppression Value ◎ ○ ○ Setting Change the value by ↓ pressing the ▲ or ▼ key, and then press the SET key to confirm the value.
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Page 46: Parts Replacement
The operation must be checked after replacement by a qualified service engineer. For the stable operation of the unit and safety, ask a qualified service engineer to take care of replacement of the parts that operation must be checked. Request RIKEN KEIKI for operation check. NOTE ... -
Page 48: 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 49 9 Troubleshooting <Abnormalities of Readings> Symptoms Causes Actions Drifting of sensor Perform the zero adjustment (or span adjustment). output A very small amount of the gas to be detected may be The reading rises (drops) leaking (slow leak). Because ignoring it may cause Slow leak and it remains so.
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Page 50: Product Specifications
10 Product Specifications 10-1. List of specifications Product Specifications 10-1. List of specifications Model SD-1DOX Detection principle Galvanic cell method Detection gas Concentration display LED(4digits・7segments) Detection range 0 - 25vol% Detection method Suction method (pour into by external unit) Flow rate 1.5±0.1L/min... - Page 52 10 Product Specifications 10-1. List of specifications EN 50104 approved option item Item name Item sub name Part number Calibration cap SD-1EC／OX 4287 9189 10 Figure 1 Dedicated control key --------- 4286 9200 80 Figure 2 Figure 1 Figure 2 - 50 -...
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Page 54: Definition Of Terms
11 Definition of Terms Definition of Terms This is a principle of the sensor installed in the detector head. Galvanic cell 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 55 Revision History Edition Revision Date issued First edition 12/21/2020 Declaration of Conformity 11/12/2021...
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