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Broadley Technologies 14 Instruction Manual

Dissolved oxygen transmitter
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Instruction
Dissolved Oxygen
Transmitter
Manual
Model 14
19 Thomas, Irvine, California 92618 USA
Call Toll-Free: 877.246.7900 (USA & Canada)
Phone: 949.452.1112 Fax: 949.452.1114
E-Mail: sales@broadleytech.com
Q U I C K G U I D E
• Wiring Diagram
Page 3-2
• Programming
the Display
Page 5-13
• Calibration
Chapter 6
• Troubleshooting
Chapter 7

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Summary of Contents for Broadley Technologies 14

  • Page 1 • Wiring Diagram Page 3-2 • Programming the Display Page 5-13 • Calibration Chapter 6 • Troubleshooting Chapter 7 Model 14 Dissolved Oxygen Transmitter 19 Thomas, Irvine, California 92618 USA Call Toll-Free: 877.246.7900 (USA & Canada) Phone: 949.452.1112 Fax: 949.452.1114 E-Mail: sales@broadleytech.com...

  • Page 2: Table Of Contents

    Model 14 Oxygen Analyzer Table of Contents Chapter 1 : Introduction ......................1-1 1.1 Introduction..........................1-1 1.2 Principles of Operation......................1-1 1.3 Main Characteristics ........................1-2 1.4 Technical Specifications ......................1-2 1.5 Dimensions..........................1-4 Chapter 2 : Description of the Analyzer ...................2-1 2.1 Transmitter ..........................2-1 2.1.1 Presentation of the Transmitter................2-1 2.1.2 Transmitter Schematic.....................2-2...
  • Page 3 Model 14 Oxygen Analyzer Table of Contents (Continued) Chapter 5 : Programming the Analyzer (Continued) ...............5-1 5.1.4 SERVICE Menu .....................5-11 5.1.4.1 AVERAGE Menu ..................5-12 5.1.4.2 DISPLAY Menu ..................5-13 5.1.4.3 CODE Menu ..................5-14 5.1.4.4 SOFT VERSION Menu ................5-15 5.1.4.5 DEFAULT VAL. Menu ................5-15 5.1.4.6 mA ADJUST Menu .................5-16...

  • Page 4: Chapter 1: Introduction

    (cathode) reduces the dissolved oxygen to hydroxyl ions : The Model 14 Dissolved Oxygen Analyzer is a single- channel analyzer for the measurement of dissolved oxy- O 2 + 2H 2 O + 4e - = 4OH - gen in fermentation vessels and bioreactors, as well as in municipal applications.

  • Page 5: Main Characteristics

    Model 14 Oxygen Analyzer 1.3 Main Characteristics Range: 0 - 299.99% saturation; 0 - 29.99 ppm Calibration in the air Temperature compensation Programmable alarm levels, outputs on relays 4-20 mA, 0-20 mA analog outputs (standard) Wall- , panel- and pipe mounting 1.4 Technical Specifications...
  • Page 6 Model 14 Oxygen Analyzer Transmitter Display Display in concentration units or % saturation Display of the direct cell current in nA Display of the sample temperature in °C/°F Programming via menus Units nA, ppm-mg/l, °C, °F, % saturation Calibration Electrical zero, chemical zero, slope calibration in the...

  • Page 7: Dimensions

    Model 14 Oxygen Analyzer 1.5 Dimensions (Dimensions are in mm and inches) 33.5 mm 1.319" 117 mm 4.606" 144 mm 5.669" Enter 2 Pg13 73 mm 2.874" 2 Pg11 24 mm 0.945" 28 mm 1.102"...

  • Page 8: Chapter 2 : Description Of The Analyzer

    Model 14 Oxygen Analyzer Chapter 2: Description of the Analyzer 2.1 Transmitter 2.1.1 Presentation of the Transmitter The electronic unit amplifies the signal of the amperometric measuring cell and converts it into a direct digital readout in ppm, mg/l or % saturation. The transmitter is comprised of the following items:...

  • Page 9: Transmitter Schematic

    Model 14 Oxygen Analyzer 2.1.2 Transmitter Schematic: REFERENCE ANODE TEMP + TEMP - CATHODE 1 : Programmable potentiostat 6 : Auxiliary input 2 : Polarization voltage amplifier 7 : Multiplexer 3 : Reversing switch for a 2 or 3 electrode 8 : A/D converter operation.

  • Page 10: Application Fields

    Model 14 Oxygen Analyzer 2.2 Application Fields Easy to use, install and program, this instrument is suitable for the following applications: - Fermentation / biotech - Municipal 2.3 Standard Mounting Options (using the red clamping bow) The transmitter housing conforms to norm DIN 43700.
  • Page 11 Model 14 Oxygen Analyzer Vertical pipe mounting Included hardware: 2 pan head screws, 4 mm x 60 mm long for red clamping bow Horizontal pipe mounting Included hardware: 2 pan head screws, 4 mm x 60 mm long for red clamping bow...

  • Page 12: Chapter 3 : Installation Of The Instrument

    Model 14 Oxygen Analyzer Chapter 3: Installation of the Instrument 3.1 Unpacking 3.4 Location The analyzer should be unpacked with great care. The analyzer should be located in an accessible site. Watch for any loose accessories. The site should permit access for any inspection or maintenance operation.

  • Page 13: Electrical Connections

    Model 14 Do not switch the instrument on until completion of the installation. An aluminum armor plate inside the Model 14 gives a detailed description of the different terminals and their connections: The Relays and Main Power Supply terminals represented on the right side are accessible by removing the armor plate.

  • Page 14: Terminal Descriptions

    Temperature sensor [+] black temp + Temperature sensor [-] blue temp - Temp+ Temp- Reference if using 3 electrodes not used on the Model 14 oxygen analyzer Anode Cathode Anode Anode Cathode white Cathode Auxiliary N.C. External shield...

  • Page 15: Changing The Programming Language

    Model 14 Oxygen Analyzer 3.10 Changing the Programming Language The default programming language is English. To change the language, follow the procedure below (example for French): MENU CALIBRATION MAINTENANCE PROGRAMMING % Sat SERVICE 23.2°C Disp2 Menu Select Enter SERVICE AVERAGE...
  • Page 16 Model 14 Oxygen Analyzer 3.11 Programming the Power Supply Frequency The power supply frequency can be changed if necessary. This change occurs at the initial start- up and after resetting the instrument. Follow the procedure below. MENU CALIBRATION MAINTENANCE % Sat...
  • Page 17 Model 14 Oxygen Analyzer...

  • Page 18: Chapter 4: Using The Instrument

    Model 14 Oxygen Analyzer Chapter 4: Using the Instrument 4.1 Front Panel Keys The display may be programmed to indicate : Sample concentration Sample temperature Diffusion current Programming codes Programming features Figure 4-1 : Front Panel...
  • Page 19 Model 14 Oxygen Analyzer 4.2 Displays 1 to 4 (live displays) 100% : Dissolved Oxygen measurement 23.2°C : Temperature measurement O2 : Application S1...S4 : Alarm status % Sat (invisible if alarm is inactive) 23.2°C Disp2 Menu Display of the parameters measured :...

  • Page 20: Description Of The Function Keys

    Model 14 Oxygen Analyzer 4.3 Description of the Function Keys The function keys below will be highlighted at the bottom of the screen : Modify a parameter Select Scrolling in a list of menus Main Return to the main display...

  • Page 21: Enter Or Modify A Value

    Model 14 Oxygen Analyzer 4.5 Enter or Modify a Value The highlighted digit can be modified with the key Each digit can be validated by pressing ENTER. Repeat both operations for each digit. 03.89 ppm Increase the digit value Validate the digit value 13.89 ppm...

  • Page 22: Main Menu

    Model 14 Oxygen Analyzer Chapter 5: Programming the Transmitter 5.1 Main Menu % Sat 23.2°C Disp2 Menu MENU CALIBRATION MAINTENANCE PROGRAMMING SERVICE Select CALIBRATION MAINTENANCE PROGRAMMING SERVICE AVERAGE MEASURE CONC. CALIB. DISPLAY 21.0 ppm ALARMS CODE TEMP. CALIB. mA OUTPUTS...

  • Page 23: Calibration Menu

    2. Perform the calibration via the “EXECUTION” menu. An access code may be required if one has been programmed, see page 5-14 for CODE Menu. The Temp. Calib. menu will not appear when instrument is set for manual temperature compensation.

  • Page 24: Maintenance Menu

    21.6°C The analog output value depends on the configuration in the 60.5 nA mA OUTPUTS/SPECIAL PROG. /MAINTENANCE menu. 5.1.3 PROGRAMMING Menu An access code may be required. See page 5-14 for CODE menu. PROGRAMMING MEASURE ALARMS mA OUTPUTS RS485 Select...

  • Page 25: Measure Menu

    Model 14 Oxygen Analyzer 5.1.3.1 MEASURE Menu PROGRAMMING MEASURE Enter P: 0760.0 mm Hg MEASURE TEMP. COMP. ALARMS mA OUTPUTS SALINITY COMP. RS485 Select Select Enter TEMP. COMP. TYPE: Manual TEMP.: 25.02˚C Select Temperature Compensation TYPE - Auto Choice of a temperature measurement with automatic compensation or...

  • Page 26: Alarms Menu

    Model 14 Oxygen Analyzer 5.1.3.2 ALARMS Menu Relays S1 through S4 may be allocated to the limit, alarm system or timer functions. PROGRAMMING ALARMS ALARM 1 MEASURE ALARM 2 ALARMS Enter mA OUTPUTS ALARM 3 RS485 ALARM 4 Select Select...
  • Page 27 Model 14 Oxygen Analyzer SYSTEM ALARM FUNCTION: Relays S3 and S4 may be used as a fault indicater. To control the faults traced by the analyzer, connect the specific relay to an external alarm system. The relay is activated as soon as a default appears.
  • Page 28 Model 14 Oxygen Analyzer TIMER FUNCTION: Relays S3 and S4 may be programmed to a timer function. Timer Function MODE The Alarm 4 may be a limit (see parameters -Limit above) or a timer function -Timer ALARM 4 INTERV XXXXmn...

  • Page 29: Ma Outputs Menu

    Model 14 Oxygen Analyzer 5.1.3.3 mA OUTPUTS Menu The analog output signals allow the transmission of the measurements from the analyzer to any external control system. It is highly recommended to use shielded cables for the output signals. This shielding should be connected to the earth terminal on the armor plate.
  • Page 30 Model 14 Oxygen Analyzer Output 1/2 AFFECT - Conc. To set the choice of analog output to the - nA concentration or temperature measurement - ˚C/˚F TYPE - 0/20 Choice of the analog output type - 4/20 MODE - Lin...

  • Page 31: Rs485 Menu

    If the RS485 optional board is installed, program the parameters of the menu below. The optional RS485 board enables a connection between the analyzer and a digital communication system. The communication protocol is JBUS/MODBUS. Call Broadley Technologies for more information. PROGRAMMING...

  • Page 32: Service Menu

    Model 14 Oxygen Analyzer 5.1.4 SERVICE Menu CALIBRATION AVERAGE DISPLAY CODE SOFT ISSUE DEFAULT VAL. ADJUST mA CONFIGURATION BROADLEY J. Select AVERAGE DEFAULT VAL. AVERAGE: 9 Loading TEST Default SOFT ISSUE Values? Select Model 1400 DO 1.00 DISPLAY ADJUST mA...

  • Page 33: Average Menu

    Model 14 Oxygen Analyzer 5.1.4.1 AVERAGE Menu An access code may be required. See page 5-14 for CODE menu. Program a moving average on the concentration measurement. The measurement cycle lasts 4 seconds. SERVICE AVERAGE DISPLAY CODE SOFT ISSUE DEFAULT VAL.

  • Page 34: Display Menu

    Model 14 Oxygen Analyzer 5.1.4.2 DISPLAY Menu DISPLAY SERVICE Enter AVERAGE CONC: ppm DISPLAY CODE TEMP: ˚C SOFT ISSUE DEFAULT VAL. PRESSURE: mmHg ADJUST mA LANGUAGE: GB CONFIGURATION BROADLEY J. Select Select Display CONC - % sat Choice of measurement units...

  • Page 35: Code Menu

    Model 14 Oxygen Analyzer 5.1.4.3 CODE Menu Protection codes may be programmed for access to the PROGRAMMING, CALIBRATION, and SERVICE menus. This code is deactivated by entering 0000. CODE SERVICE AVERAGE CALIB. : 0000 DISPLAY Enter CODE PROG. : 0000 SOFT ISSUE DEFAULT VAL.

  • Page 36: Default Val. Menu

    Model 14 Oxygen Analyzer 5.1.4.4 SOFT ISSUE Menu This menu displays the software version installed in the instrument. SERVICE SOFT ISSUE AVERAGE DISPLAY CODE Model 1400 Enter SOFT ISSUE DEFAULT VAL. ADJUST mA DO 1.00 CONFIGURATION BROADLEY J. Select 5.1.4.5 DEFAULT Menu SERVICE DEFAULT VAL.

  • Page 37: Ma Adjust Menu

    Model 14 Oxygen Analyzer 5.1.4.6 mA ADJUST Menu The analog output signals are factory-adjusted (upper limit: 20mA). However, if the upper limit of one of the outputs, drifts, the span value can be adjusted with the mA ADJUST menu. Connect an ampere meter in series to the analog output terminals.

  • Page 38: Chapter 6 : Calibrating The Instrument

    Model 14 Oxygen Analyzer Chapter 6: Calibrating the Instrument NOTE See Chapter 5 for programming commands. REMARK Any result (calibration or measurement) is always brought back to the reference temperature (25˚C, 77˚F). If the sample temperature is different from the reference temperature, manual or automatic temperature compensation must be used.

  • Page 39: Automatic Temperature Compensation

    Model 14 Oxygen Analyzer 6.1.1. Automatic Temperature Compensation The sensor continuously measures the sample temperature. The concentration values are automatically calculated using the algorithms programmed in the transmitter. 1. Programming Choose automatic temperature compensation. PROGRAMMING MEASURE Enter MEASURE P: 0760.0 mm Hg ALARMS TEMP.

  • Page 40: Manual Temperature Compensation

    Model 14 Oxygen Analyzer 6.1.2. Manual Temperature Compensation Manual temperature compensation should be used only when the sample temperature is constant. 1. Programming Select manual temperature compensation. PROGRAMMING MEASURE Enter TEMP. COMP MEASURE ALARMS mA OUTPUTS RS485 Select Select Enter TEMP.

  • Page 41: Slope Calibration In Air With An Electric Zero

    Model 14 Oxygen Analyzer 6.2. Measurement Calibration The slope calibration can be done in air or water. The zero can be set with an electronic zero or a chemical zero. A chemical zero uses Nitrogen gas or oxygen-free solution. 6.2.1. Slope Calibration in Air with an Electronic Zero Temperature compensation must be set to “auto.”...

  • Page 42: Slope Calibration In Air With Chemical Zero

    Model 14 Oxygen Analyzer 6.2.2. Slope Calibration in Air with a Chemical Zero 1. Programming CALIBRATION ZERO : Enter CONC. CALIB. CONC. CALIB. TEMP. CALIB. Select a chemical zero ZERO PARAMETERS SLOPE Enter Select slope in air Enter Select Select ZERO CALIB.
  • Page 43 Model 14 Oxygen Analyzer 6.2.3. Slope Calibration in Process with an Electronic Zero 1. Programming CALIBRATION ZERO : Enter CONC. CALIB. CONC. CALIB. TEMP. CALIB. Select the electrical zero. The electrical zero ZERO PARAMETERS is carried out automatically by the transmitter...

  • Page 44: Slope Calibration In The Process With Chemical Zero

    Model 14 Oxygen Analyzer 6.2.4. Slope Calibration in Process with a Chemical Zero 1. Programming CALIBRATION Enter CONC. CALIB. CONC. CALIB. TEMP. CALIB. ZERO : ZERO PARAMETERS Select chemical zero. SLOPE Enter Enter Select Select slope process. Select ZERO CALIB.
  • Page 45 Model 14 Oxygen Analyzer...

  • Page 46: Chapter 7 : Start-Up And Troubleshooting

    7.1.2 Main Power Supply Connection A) The membrane has been torn. Change the membrane. Remove aluminum plate inside the Model 14. Power should be connected to the “Mains” terminal indicated B) Cable or connections have been damaged. on the plate. See Page 3-3 for terminal connections.
  • Page 47 Model 14 Oxygen Analyzer Other problems PROBLEM: Inaccurate readings Causes and solutions: Causes and solutions: A) The membrane permeability has changed (coating). A) The probe current is zero. Calibrate the analyzer and check if the There is no electrolyte in the probe (leak).

  • Page 48: Troubleshooting The Electronics

    Model 14 Oxygen Analyzer 7.3 Troubleshooting the Electronics WARNING! Never attempt to service before disconnecting the instrument from the main power line. MALFUNCTION POSSIBLE CAUSE REMEDIES No indication No power; instrument is not Check for power, then check connected correctly...
  • Page 49 Check the programmed output-current output current remains programmed parameters locked at 0 or 20 mA Connection of the Model 14 with Check the cables peripherals (recorder, etc.) are faulty, loose or defective Hardware is defective Compare the measured value with the...

  • Page 50: Chapter 8: Error Messages

    Model 14 Oxygen Analyzer Chapter 8: Error Messages During failure, the measurement is replaced by dashes “ - - -.” Description Error Message Error messages during a measurement The concentration value exceeds the limits. Check the current value and the calibration parameters.
  • Page 51 Model 14 Oxygen Analyzer The current value exceeds the limits. Confirm there is no short-circuit in the measuring line. Check the polarization voltage. Error messages during calibration The temperature difference between the calibra- 21.6 tion temperature and the sensor’s theoretical exceeds the limit programmed.

  • Page 52: Appendix 1 : Pressure Conversion Table

    Model 14 Oxygen Analyzer Appendix 1: Pressure Conversion Table hPa or mbars mm Hg mm H 2 O inches Hg inches H 2 O 920.00 9503.60 13.34 27.16 374.16 925.00 693.8 9555.25 13.42 27.31 376.19 930.00 697.5 9606.90 13.49 27.46 378.22...

  • Page 53: Appendix 2 : Temperature Conversion Table

    Model 14 Oxygen Analyzer Appendix 2: Temperature Conversion Table • Conversion from ˚C into ˚F : ˚F = 1.8 * ˚C + 32 • Conversion from ˚C into ˚K : ˚K = ˚C + 273.15 ˚C ˚F ˚K ˚C ˚F ˚K...

  • Page 54: Appendix 3: Default Values

    Model 14 Oxygen Analyzer Appendix 3: Default Values Calibration CONC. CALIB. PARAMETERS ZERO CALIB. DATE :01/01/98 Type : Elec. Auto ZERO: 0.00 nA SLOPE S: 3.000 nA/ppm ∆T: 0.0˚C Type : Air PO: 0760.0 mm Hg Programming MEASURE TEMP. COMP.
  • Page 55 Model 14 Oxygen Analyzer Service AVERAGE AVERAGE : 1 DISPLAY DISPLAY CONC. : ppb/ppm TEMP. : °C PRESSURE : mmHg LANGUAGE : GB CODE CODE CALIB. : 0000 PROG. : 0000 SERVICE : 0000 CONFIGURATION CONFIGURATION FREQ. : 60 Hz...
  • Page 56 Model 14 Oxygen Analyzer Broadley Technologies Corporation 19 Thomas Irvine, California 92618 Corporate Headquarters: Toll-Free: 877.246.7900 Tel: 949.452.1112 Fax: 949.452.1114 E-Mail: sales@biotechcatalog.com Copyright © 2000 Broadley Technologies Corporation All Rights Reserved...

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