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Summary of Contents for Riken Keiki RS-400 Series
- Page 1 PT3E-0512 Explosion-Proof Calorimeter OHC-800 Sampling Device RS-400 Series Operating Manual...
- Page 2 Preface Thank you for choosing our explosion-proof calorimeter OHC-800-RS-400. This product is an explosion-proof calorimeter in a flame-proof enclosure (explosion-proof class: Ex dIIB+H2 T4) consisting of a gas measuring part "OHC-800" and a sampling device "RS-400-□□□□," which is designed for continuous, fast-response measurement of the "Calorific value," "Density," and "WOBBE index"...
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Page 3: Table Of Contents
<Contents> Product Overview ....................2 1-1. Product components and accessories ..............2 1-2. Names and functions for each part ................3 1-3. Outline drawing and tubing diagram for each specification ........4 How to Install Calorimeter ..................15 2-1. Precautions on installation site ................15 2-2. -
Page 4: Product Overview
1 Product Overview 1-1. Product components and accessories Product Overview 1-1. Product components and accessories • Gas measuring part "OHC-800": 1 set Sampling device "RS-400-□□□□": any set • * See the following classification of sampling device models. • Operating manuals (this manual and the operating manual for measuring part) NOTE This product is designed to have a measuring part "OHC-800"... -
Page 5: Names And Functions For Each Part
1 Product Overview 1-2. Names and functions for each part 1-2. Names and functions for each part The following figure shows a typical internal tubing system of the sampling device RS-400 series. Unit names and functions Unit Symbol Part Functions... -
Page 9: Outline Drawing And Tubing Diagram For Each Specification
1 Product Overview 1-3. Outline drawing and tubing diagram for each specification <Common between RS-400-100□, RS-400-10□□ and RS-400-11□□> Outdoor box (SUS) with shading plate * Swagelok fitting for 1/4" tube is used at all connections of tubing. - 7 -... - Page 13 1 Product Overview 1-3. Outline drawing and tubing diagram for each specification <Common between RS-400-200□, RS-400-20□□ and RS-400-21□□> Indoor box (SPCC) with window * Swagelok fitting for 1/4" tube is used at all connections of tubing. - 11 -...
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Page 17: How To Install Calorimeter
2 How to Install Calorimeter 2-1. Precautions on installation site How to Install Calorimeter 2-1. Precautions on installation site Do not install this product in any of the following locations. (1) Place where the calorimeter is exposed (2) Place with vibrations to oil, chemicals etc. -
Page 18: Precautions On Installation
2 How to Install Calorimeter 2-2. Precautions on installation 2-2. Precautions on installation CAUTION Do not drop or give strong shock to the calorimeter during installation. Otherwise, the device may be damaged. CAUTION If the calorimeter is to be fixed on the wall, install it properly where can hold its weight. -
Page 21: How To Connect Wire
M4 is used as the terminal screws for the terminal plate. Attach an insulated ring terminal with insulating coating for M4 to the tip of a cable for wiring. NOTE If you are considering the use of the RS-485 communication function, contact RIKEN KEIKI. NOTE Contact output 3 (SSR) •... -
Page 22: Recommended Cable
3 How to Connect Wire 3-2. Recommended cable 3-2. Recommended cable Connected to Recommended cable Cable overall outer diameter CVV 1.25 sq/3-core Ø10.0 Power (AC) line CVV 2 sq/3-core Ø11.0 CVVS 1.25 sq/2-core Ø10.0 Power (DC) line CVVS 2 sq/2-core Ø11.0 CVVS 1.25 sq/2-core Ø10.0... -
Page 26: Precautions On Electrical Work
3 How to Connect Wire 3-5. Precautions on electrical work 3-5. Precautions on electrical work CAUTION Be careful not to damage the internal electronic circuit when wiring. In addition, be careful not • to apply stresses on the calorimeter due to load or installation of cables. Do not install the power cables and signal cables in parallel with motor power cables, etc. - Page 27 3 How to Connect Wire 3-5. Precautions on electrical work Introducing protective measures against lightning If cables are installed outside the factory/plant, or if internal cables are installed in the same duct as the cables coming from outside the factory/plant, "inductive lightning surge" may be caused by lightning. Because lightning acts as a large emission source while cables act as a receiving antenna, devices connected to the cables may be damaged.
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Page 29: How To Tube
4 How to Tube 4-1. Recommended external tubing system How to Tube 4-1. Recommended external tubing system If the sampling point is on a high-pressure line over 0.9 MPa, decompression must be performed outside the sampling device. Decompression must be performed as close to the sampling point as possible to ensure the quickest possible arrival of the measuring gas at the OHC-800. -
Page 31: Precautions On Tubing Work
4 How to Tube 4-2. Precautions on tubing work The table below shows the guideline values for the "setting pressures of external pressure reducing valves" and "bypass flow rates" corresponding to the "tubing diameters" and "tubing lengths" from the external pressure reducing valve to GAS IN of the sampling device in the tubing system shown on the previous page. -
Page 32: How To Adjust/Use Calorimeter
5 How to Adjust/Use Calorimeter 5-1. How to start the gas detector How to Adjust/Use Calorimeter 5-1. How to start the gas detector Check that the external wiring has been done properly. Check that the power supply voltage is compliant with the specification. Rating: 100 - 240 VAC ±10%, 50/60 Hz or 24 VDC ±10% (The setting can be changed to either the AC or DC specifications.) Check that the external tubing has been connected properly. -
Page 39: How To Use Sampling Parts
5 How to Adjust/Use Calorimeter 5-3. How to use sampling parts 5-3-4 Relief valve The relief valve of UNIT-D is used as a safety valve to prevent the measuring part OHC-800 from being damaged by excessive pressure. The relief valve is released when the specified pressure (10 kPa) or more is applied to the valve, and the pressure is transferred to the RELEFE OUT gas line. -
Page 43: Maintenance
Please contact RIKEN KEIKI for more information on a maintenance contract. NOTE See the separate volume "OHC-800 Operating Manual" for the maintenance of the measuring part (OHC- 800). -
Page 44: Definition Of Terms
7 Definition of Terms Definition of Terms The terms used in this manual are defined as follows. Measuring gas Gas used to measure calorific value, density and WOBBE index on this product. Reference gas Gas used on an optical sensor unit as a reference for measuring the refractive index of a measuring gas. -
Page 45: Product Specifications
8 Product Specifications 8-1. Product Specifications Product Specifications This sampling device is used in combination with the measuring part OHC-800. Therefore, the product specifications include OHC-800. 8-1. Product Specifications Model OHC-800 Opt-Sonic calculation through measurement of refractive index and sound Measuring principle speed Measuring gas... - Page 46 8 Product Specifications 8-1. Product Specifications Ambient temperature -20 to +57°C(TIIS) -20 to +60°C(ATEX/IECEx<DEKRA>) Ambient humidity 95%RH or less Measuring gas Same as ambient temperature temperature Outer dimensions Approx. 286 (W) x 453 (H) x 150 (D) mm Weight Approx. 23 kg Explosion-proof Flame-proof enclosures structure...
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