Eaton CROUSE-HINDS Series Instruction Manual
Mtl zirconia oxygen analyser
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Summary of Contents for Eaton CROUSE-HINDS Series
- Page 1 Instruction manual January 2017 MTL gas analysers & systems INM MTL 130-0193 Rev 5 Z530 Mk2 MTL zirconia oxygen analyser...
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Page 2: Declaration Of Conformity
DECLARATION OF CONFORMITY A printed version of the Declaration of Conformity has been provided separately within the original shipment of goods. However, you can find a copy of the latest version at - http://www.mtl-inst.com/certificates INM MTL 130-0193 Rev 5... -
Page 3: Table Of Contents
CONTENTS DECLARATION OF CONFORMITY ............ii INTRODUCTION . - Page 4 THIS PAGE IS LEFT INTENTIONALLY BLANK INM MTL 130-0193 Rev 5...
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Page 5: Introduction
INTRODUCTION The Z530 is a ‘blind’ (no display) OEM oxygen analyser comprising micro-processor based electronics mounted on a single printed circuit board, and a separate zirconia oxygen sensor, complete with its associated heater. Both parts are supplied loose (un-mounted) to enable the maximum flexibility in mounting options for the OEM. -
Page 6: Specification
SPECIFICATION Sensor Zirconia - platinum-coated electrolyte Range 0.000001% (0.01ppm)...100% Oxygen Accuracy 100ppm to 25% ±2% of reading or better 10 - 99ppm ±1ppm 0 - 9.9ppm ±0.1ppm Stability Better than 2% of reading or 0.5ppm/month, whichever is greater. Speed of response T90: less than 4 seconds at 500ml/min sample flow –... -
Page 7: Analogue Output - Isolated
2.10 Analogue output - isolated Output (programmable): † 4 to 20mA 0 to 5 volts Isolation: 1kV * 1kV * Maximum load: 500 ohms – Minimum load: – 10 kohms Resolution: 0.01 mA 2.5 mV Accuracy: +/- 0.2% of programmed range +/- 0.2% of programmed range +/- 0.5% +/- 0.5%... -
Page 8: Installation
INSTALLATION Unpacking and visual checking Take all normal precautions when opening packages. In particular, avoid the use of long bladed cutters. Check that parts are present as listed on packing note. Search packing if any are missing. Mounting WARNING The sensor heater has a hot surface that is present in normal operation. Take care when handling! A site should be chosen where the tempera ture does not go outside the range specified in Section 2.12. -
Page 9: Circuit Board Electrical Connections
3.3.2 Circuit board electrical connections 4 to 20mA analogue output – 4 to 20mA analogue output Sensor Input - Red – Sensor Input - Black Thermocouple Input - Green – Thermocouple Input - White Heater Element - Orange Heater Element - Orange RX - RS232 TX - RS232 0V Comms... -
Page 10: Rs232 Connection
3.3.3 RS232 Connection Connect the serial RS232 interface to DTE equipment (e.g PC COM port) as shown here. See also Section 8 - COMMUNICATION PROTOCOL Circuit board DTE (PC) pin no. Conn. Signal Description 25-way 9-way Data received by instrument Data transmitted from instrument Signal gnd Sample connections... -
Page 11: Commisioning
COMMISIONING Applying power With the analyser fully connected it may be switched on. The cell heater will begin to warm up. During this time the instrument heater status will show ‘Warm-up’ (via the RS232 communications) and the concentration reading will make high and low excursions. Once the correct temperature is reached, the instrument heater status will show ‘Normal’. -
Page 12: Maintenance And Calibration Checks
MAINTENANCE AND CALIBRATION CHECKS CAUTION Certain procedures associated with calibration maintenance can affect the output of the instrument. Any procedures used for control, or the associated control loop should be disabled before commencing calibration. Calibration overview The Z530 is a very stable analyser with minimal drift (see Section 2.4). The frequency of calibration checks or verifications depends upon the quality regime being operated at the installation site. -
Page 13: Calibration Procedure
If, on pressing the Cal button, the reading returns to the original value, the calibration has been rejected, and a change of cell is recommended. Return the instrument to Eaton, as discussed in Section 6. 5.4.1 “High”... -
Page 14: Spares And Repairs
SPARES AND REPAIRS Should any failure occur, the instrument should be re turned to your local MTL Gas sales office for repair. When ordering spare parts or raising queries on the instrument, it is important that the serial number is quoted. This will be found on the data label attached to the circuit board, as shown here. -
Page 15: Technical Description Of Sensor
TECHNICAL DESCRIPTION OF SENSOR The MTL zirconia oxygen sensor (see sketch below) is an impervious tube-shaped zirconia (zirconium oxide) element with a closed end coated externally and internally with porous metal electrodes, typically platinum. At high temperatures, typically above 400°C, the zirconia becomes an oxygen ion conductor, which results in a voltage being generated between the electrodes dependent upon the differences between the partial pressures of the oxygen in the sample and the oxygen in a reference gas (generally air). -
Page 16: Communication Protocol
COMMUNICATION PROTOCOL Communication parameters are 9600 Baud, 8 bits, no parity, 1 stop bit and no handshaking. The instrument is DTE. The general form of the protocol is: The protocol is a single command-and-response protocol. Multiple commands cannot be sent without waiting for a response. 2. - Page 17 Table 1 - common groups INM MTL 130-0193 Rev 5...
- Page 18 Table 1 - common groups (continued) INM MTL 130-0193 Rev 5...
- Page 19 Table 2 - Error messages INM MTL 130-0193 Rev 5...
- Page 20 MTL Instruments GmbH, Heinrich-Hertz-Str. 12, 50170 Kerpen, Germany UNITED ARAB EMIRATES Cooper Industries/Eaton Corporation Tel: +49 (0)22 73 98 12 - 0 Fax: +49 (0)22 73 98 12 - 2 00 Office 205/206, 2nd Floor SJ Towers, off. Old Airport Road, E-mail: csckerpen@eaton.com...
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