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YOKOGAWA Europe
DT450G Dust Monitor

DT450G Dust Monitor

Product catalog summary

Overview: The document provides detailed information about the DT450G Dust Monitor by Yokogawa Electric Corporation, designed for detecting leakage and damage in bag filters and monitoring the operation status of electrostatic precipitators (ESPs). It highlights the monitor's features, applications, specifications, and installation options.

Key Features:

Automatic range setup and drift compensation for process conditions.
Operates at temperatures up to 250°C and pressures up to 200 kPa.
Maintenance-free operation with air purging to prevent moisture condensation.
Integrated sensor and converter for easy installation with options for flange or socket mounting.

Applications:

Used in electrostatic precipitators at boilers, incinerators, and cement kilns.
Applicable for bag filters in pulverized coal, granulation, sugar, and powder milk plants.
Detects bag filter breakage in pulverized coal injection systems and monitors dust in coke oven walls and cement manufacturing processes.

Specifications:

Measurement range: 0.1 mg/m³ to 1 kg/m³.
Analog output: 4-20 mA DC, with high/low alarm contact output.
Construction: Integrated converter with IP 64 protection, stainless steel sensor probe.
Power supply: 100-120 V AC or 200-240 V AC.
Air purge: Requires clean, dry air at process pressure +50 kPa.

Installation and Options:

Available with Teflon coated probe for enhanced insulation.
Various flange mounting options including ANSI and JIS standards.
Dimensions and weight provided for installation planning.

Diagrams and Data:

Includes schematic flow diagrams for coke ovens and cement manufacturing processes.
Graphs illustrating dust content over time and the relationship between applied voltage and ESP efficiency.

Catalog excerpts

Dust Monitor ,6"#/ YOKOGAWA ELECTRIC CORPORATION World Headquarters 9-32 Nakacho 2-chome, Musashino-shi, Tokyo 180-8750, JAPAN Tel: +81-422-52-6316 Fax: +81-422-52-6619 http://www.yokogawa.com/an/ North America YOKOGAWA CORPORATION OF AMERICA Georgia, U.S.A http://www.yokogawa.com/us/ South America YOKOGAWA AMERICA DO SUL LTDA. BRAZIL http://www.yokogawa.com.br/ Europe YOKOGAWA EUROPE B.V. European Headquarters THE NETHERLANDS http://www.yokogawa.com/eu/ YOKOGAWA ELECTRIC CIS LTD. RUSSIAN FEDERATION http://www.yokogawa.ru/ Middle East India YOKOGAWA MIDDLE EAST B.S.C.(C) YOKOGAWA INDIA LTD. http://www.yokogawa.com/bh/ http://www.yokogawa.com/in/ Singapore Australia YOKOGAWA ENGINEERING ASIA PTE.LTD. YOKOGAWA AUSTRALIA PTY. LTD. http://www.yokogawa.com/sg/ http://www.yokogawa.com/au/ Korea YOKOGAWA ELECTRIC KOREA CO., LTD. http://www.yokogawa.com/kr/ China YOKOGAWA CHINA CO., LTD. http://www.yokogawa.com/cn/ Represented YOKOGAWA SHANGHAI INSTRUMENTATION CO., LTD. http://www.ysi.com.cn/ YOKOGAWA SICHUAN INSTRUMENT CO., LTD. http://www.cys.com.cn/ Taiwan YOKOGAWA TAIWAN CORPORATION http://www.yokogawa.com.tw/ Subject to change without notice All Rights Reserved. Copyright © 2005, by Yokogawa Electric Corporation

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Detecting Leakage and Damage to Bag Filter and Monitoring Operation Status of Electrostatic Precipitator Monitor ●Bag filters at pulverized coal, granulation, sugar, powder milk plants Bag Filter Breakage Detection in a Pulverized Coal Injection System ● Pulverized coal injection system The DT450G Dust Monitor features improved operationality and reliability based on installation and application experiences with the previous model DT400G. Features include one-touch automatic range setup in response to process conditions and automatic drift compensation. Also, the DT450G can measure at a process...

Open the catalog to page 2

■ MODEL AND SUFFIX CODES ■ STANDARD SPECIFICATIONS Measurement objects Suffix Code Option Code Particle size: 0.3 µm or greater Dust monitor (heat resistant up to 250°C) 4-20 mA DC analog output + fine adjustment for measuring range Measurement principle Inductive electrification Process conditions Probe length Sensor material Gas flow rate: 4 m/s or greater (approx. 30 m/s max) Humidity: 40 %RH or less Air purge Instruction Manual Measurement range Range setup: One-touch automatic setup or Socket mounting (welding socket) Flange mounting (ANSI Class 150 2 1/2 RF) Setup range: Variable (10 to...

Open the catalog to page 3

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