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Analysentechnik
Portable Oxygen Analyser
BA 4510
Installation and Operation Instructions
Original instructions
BE550013
Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen
09/2018
Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20
E-Mail: analyse@buehler-technologies.com
Internet: www.buehler-technologies.com
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Summary of Contents for Buhler BA 4510
- Page 1 Analysentechnik Portable Oxygen Analyser BA 4510 Installation and Operation Instructions Original instructions BE550013 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen 09/2018 Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 E-Mail: analyse@buehler-technologies.com Internet: www.buehler-technologies.com...
- Page 2 Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20 Internet: www.buehler-technologies.com E-Mail: analyse@buehler-technologies.com Read this instruction carefully prior to installation and/or use. Pay at- tention particularly to all advises and safety instructions to prevent in- juries.
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Page 3: Table Of Contents
BA 4510 Table of Contents Introduction............................................. 2 Intended Use......................................... 2 Ordering instructions ...................................... 2 Scope of delivery ........................................ 2 BA 4510 Layout........................................ 2 1.4.1 Principle of Measurement ................................. 2 1.4.2 Measuring Requirements .................................. 3 1.4.3 General Design ..................................... 4 1.4.4 BA 4510 Layout...................................... 6 Safety instructions......................................... -
Page 4: Introduction
Partial pressure of oxygen on the measuring electrode in sample gas in Pa 2samplegas: The BA 4510 has a sensor which uses the conductivity of oxide ions in zirconium dioxide ceramics with stabilising additives. The conductivity of the oxide ions of zirconium dioxide increases exponentially with the temperature and reaches adequate values above 600 °C (1112 °F). -
Page 5: Measuring Requirements
BA 4510 Where: φ φ ,sample gas ,air Φ oxygen concentration in the sample gas in Vol.% ● U: Potential difference in mV 46.42 ● φ = 20.64 ● ,sample gas T: Measuring temperature in K 20.64 oxygen concentration in air with a relative humidity of 50 % in Vol.% 1.4.2 Measuring Requirements... -
Page 6: General Design
BA 4510 NOTICE To minimise the measuring error when measuring minimal oxygen concentrations, en- sure the following measurement and equipment requirements are met: a) Choose a location for extracting the sample gas to rule out any layers forming at the extraction site. - Page 7 Measuring cell Thermovoltage Cell voltage amplifier amplifier On-screen keyboard Heater Microcontroller control Analog output Relay output RS232 0.8 A (resettable) Power supply 1.0 A 100...24 0V AC, 47...63 Hz Fig. 2: BA 4510 block diagram BE550013 ◦ 09/2018 Bühler Technologies GmbH...
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Page 8: Ba 4510 Layout
1.4.4.2 Electric Supply The BA 4510 connects to the mains via fixed cord set. The BA 4510 is designed as a tabletop device. The operating position is horizontal with a maximum tilt of 30°. 1.4.4.3 Front The displays and controls are located in the front. A display shows the measured value in Vol.% or Vol.-ppm, depending on the value and programming. - Page 9 BA 4510 1.4.4.5 Pin assignment Serial port RS232 Transfer rate max. 19200 baud, adjustable Stopbits Data bits Parity none Handshake without Serial interface protocol (CR= carriage return) Input Response Parameter M2CR M2x.xxExxCR Oxygen concentration in ppm A1CR A1xxxCR Cell voltage in mV...
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Page 10: Safety Instructions
BA 4510 2 Safety instructions 2.1 Important Information Operation of the device is only valid if: – the product is used under the conditions described in the installation- and operation instruction, the intended application according to the type plate and the intended use. In case of unauthorized modifications done by the user Bühler Technolo- gies GmbH can not be held responsible for any damage, –... -
Page 11: General Hazard Warnings
BA 4510 2.2 General hazard warnings The equipment must be installed by a professional familiar with the safety requirements and risks. Be sure to observe the safety regulations and generally applicable rules of technology relevant for the installation site. Prevent malfunctions and avoid personal injuries and property damage. -
Page 12: Transport And Storage
BA 4510 3 Transport and Storage Transport The device is sensitive to shock and vibration. Therefore, where possible, transport in the original packaging or large, sturdy packaging at a minimum consisting of 3 layer carton, plastic or aluminium sheet. Line the inside of the packaging with padding at least 10 cm thick on all sides. -
Page 13: Installation And Connection
BA 4510 4 Installation and connection 4.1 Installation site requirements The inert gas measuring device must be set up in a dry and mostly dust-free location on a sturdy, level surface. – An earthed wall socket with 10 A fuse, preferably on a separate circuit, must be installed in the immediate vicinity of the in- stallation site to connect to the mains. - Page 14 BA 4510 NOTICE When installing connections for steel lines, the information in the appendix provided by the manufacturer must be observed. Silicone tubes can cause inaccurate measurements due to their oxygen permeability. The manufacturer therefore advises against using this type of tubing.
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Page 15: Operation And Parametrisation
BA 4510 5 Operation and Parametrisation 5.1 Operation 5.1.1 Switching On and Measurement Display After preparing the inert gas measuring device for operation and installing all lines, the device can be switched on. The measur- ing cell reaches its operating temperature of 750 °C (1382 °F) after approx. 10 minutes. The current measured value will be dis- played but will not be within the specified error limits until the thermal conditions inside the measuring cell are completely bal- anced, after about one hour. -
Page 16: Parametrisation
BA 4510 5.2 Parametrisation 5.2.1 Adjustable Parameters Parameter Section Remarks Display : 0…21 (100) Vol-% or in ppm Measuring range 100 Vol.% on request Analog output 0…20 mA or 4…20 mA alternatively 0…10 V or 2…10 V Output scale Linear Logarithmic scale recommended if the meas- ured value spans several decades. - Page 17 BA 4510 B settings B.1 Base settings English, German 4800, 9600, 19200 B.2 limit 0…999999 ppm or 0…99.99 Vol.% 0…99s B.3 Analog Output Vol% O2, ppm O2, O2[log10] Optional:O2 NGW, H20/H2 0-20 mA or 4-20mA Optional: 0-10V or 2-10V 1-99s BE550013 ◦...
- Page 18 BA 4510 B.4 calibration B.4.1 zero gas calibration Current measured value Zero gas always 20.64 % Status Calibration value with this line activated, press the Enter key for approx. 3 s to set the calibration value to 0.0 Range calibration...
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Page 19: Calibration
BA 4510 5.3 Calibration Since the measuring system is linear, two calibration points will suffice for the check: -Zero point The zero point corresponds with the measurement if there is no oxygen in the measuring cell and there is neutral gas such as ni- trogen in the unit. -
Page 20: Maintenance
BA 4510 6 Maintenance During maintenance, remember: – The equipment must be maintained by a professional familiar with the safety requirements and risks. – Only perform maintenance work described in these operating and installation instructions. – When performing maintenance of any type, observe the respective safety and operation regulations. - Page 21 BA 4510 The fuse (1AT) is located near the back wall inside the device (see ar- row). Replace with the same type of fuse BE550013 ◦ 09/2018 Bühler Technologies GmbH...
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Page 22: Service And Repair
BA 4510 7 Service and repair This chapter contains information on troubleshooting and correction should an error occur during operation. Repairs to the unit must be performed by Bühler authorised personnel. Please contact our Service Department with any questions: Tel.: +49-(0)2102-498955 or your agent If the equipment is not functioning properly after correcting any malfunctions and switching on the power, it must be inspected by the manufacturer. -
Page 23: Disposal
BA 4510 8 Disposal Dispose of parts so as not to endanger the health or environment. Follow the laws in the country of use for disposing of elec- tronic components and devices during disposal. BE550013 ◦ 09/2018 Bühler Technologies GmbH... -
Page 24: Appendix
BA 4510 9 Appendix 9.1 Technical Data Technical Data Measuring components Measuring component: Oxygen Measuring range 0 Vol.-ppm … 20.9 Vol.-% O Measuring principle: Zirconium dioxide Measuring Data Accuracy: < 5 % (from measured value) Reproducibility: < 1.5 % O Detection limit: 0.1 vpm O... -
Page 25: Basics Of Using Potentiometric Zro2 Solid Electrolyte Sensors In Optimal Combustion Processes
BA 4510 9.2 Basics of using potentiometric ZrO2 solid electrolyte sensors in optimal combustion processes Many technological processes require optimising and reproducible combustion processes (e.g. production of glass or ceramic fibres, firing porcelain, generating energy or crude gas from solid or liquid fuels, etc.) for consistent product quality and use of resources. - Page 26 BA 4510 One specific problem is changing the form of equation to calculate λ when switching between an excess and shortage of oxygen. The exact solution is to calculate the concentrations of the water gas components at every measuring point and using either equation, depending on whether φ(CO) + φ(H...
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Page 27: Activated Carbon Filter: Description And Use
BA 4510 In several technical processes the quotient Q = φ(H O)/φ(H ) has to be known, which can be calculated from this equation. If the measuring electrode is the negative pole of the cell, the cell voltage is given a negative sign. -
Page 28: Filter Use And Functionality
BA 4510 9.3.2 Filter use and functionality The activated carbon filter retains and adsorbs organic residue (e.g. alcohols) from the gas to be analysed. After some time of use, if the cell voltage increases unexpectedly or the oxygen concentration drops considerably on the inert gas measuring device, one can assume the filter is saturated with organic components, thus ineffective. -
Page 29: Attached Documents
BA 4510 10 Attached Documents – Declaration of Conformity KX550011 – RMA - Decontamination Statement BE550013 ◦ 09/2018 Bühler Technologies GmbH...
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