Teledyne 319R User's Manual
Contents
1. TELEDYNE BROWN EGINEERING Analytical Instruments TELEDYNE BROWN EGINEERING Analytical Instruments 319R Introduction 1 0 Introduction The Teledyne Brown Engineering Analytical Instruments TBE Model 319R Oxygen Detector measures the percent of oxygen in a wide range of gases and gas mixtures Modular and compact design provide outstanding performance and reliable on line monitoring and make the 319R virtually maintenance free A special range on the 319R enables you to calibrate in ambient air The Micro Fuel Cell produces an output that corresponds linearly to the oxygen concentration the absence of oxygen produces zero current This means you can use ambient air 20 9 oxygen to calibrate eliminating the need for special span gases The Model 319R contains a main PC board and power supply inter connection board housed in a rack mount enclosure The oxygen probe can be separated from the unit by as much as 6 feet depending on the level of electromagnetic noise in the operating environment Main Features 1 Two Ranges of Analysis The Model 319R Oxygen Monitor features two analysis ranges 0 200 PPM and 0 1999 PPM A 0 25 range is accessible only during calibration to allow calibration in air 2 Liquid Crystal Display Digital Readout The digital front panel LCD continuously displays and updates O monitoring levels and displays values when calibrating the instrument and setting the alarms Note that the2. ee TELEDYNE BROWN ENGINEERING 17 Analytical Instruments Appendix 319R Signs and Symptoms of Exposure Carcinogenicity OSHA NTP Medical Conditions Generally Aggravated by Exposure Emergency First Aid Procedures Contact of electrolyte with skin or eyes will cause a burning sensation and or feel soapy or slippery to touch Other symptoms of exposure to lead include loss of sleep loss of appetite metallic taste and fatigue Lead is classified by the IARC as a class 2B carcinogen possibly carcinogenic to humans Where airborne lead exposures exceed the OSHA action level refer to OSHA Lead Standard 1910 1025 na Lead exposure may aggravate disease of the blood and blood forming organs hypertension kidneys nervous and possibly reproductive systems Those with preexist ing skin disorders or eye problems may be more suscep tible to the effects of the electrolyte In case of contact with the skin or eyes immediately flush with plenty of water for at least 15 minutes and remove all contaminated clothing Get medical attention immediately If ingested give large amounts of water and DO NOT INDUCE VOMITING Obtain medical attention imme diately If inhaled remove to fresh air and obtain medical attention immediately Section VII Precautions for Safe Handling and Use NOTE The oxygen sensors are sealed and under normal circumstances the contents of the sensors do not present a health h
3. display will not read higher than 199 9 on the 200 PPM range and 1999 on the 2000 PPM range 3 Percent of Range Alarms Three 3 alarm relays are provided one high and one low alarm which are user adjustable and one low alarm factory set as a cell fail alarm at 2 of full scale TELEDYNE BROWN ENGINEERING 1 Analytical Instruments 1 0 Introduction 319R 4 Proven Sensor The 319R uses the Class Z 2 Micro Fuel Cell warranted for 6 months with a life expectancy of 6 months 5 Analog Voltage Output The Model 319R provides customer connections to external devices such as computers recorders alarms etc at 0 10 VDC negative ground plus contact closures for range identifica tion Custom voltage outputs either grounded or isolated are available as options 6 Analog Current Output The Model 319R has a 4 20 mA current output suitable for connection to external devices that use 4 20 mA input 7 Over Range Cell Failure Visual Indicator The Model 319R has a LED Light Emitting Diode to the left of the Liquid Crystal Display The LED will blink when the oxygen reading exceeds 105 of scale or a cell failure alarm is activated Micro Fuel Cell The Model 319R uses a Class Z 2 Micro Fuel Cell The Micro Fuel Cell measures the concentration of oxygen in a gas stream The analysis is specific for oxygen i e the measuring cell will not generate an output current unless oxygen is present in the sample gas The
4. is exceeded the relay will become de ener gized Sensor Installation or Replacement CAUTION The sensor electrolyte is caustic Do not let it come in contact with skin If it does immediately flush affected area with water Consult the Emergency First Aid procedures in the Material Safety Data Sheet in the Appendix Do not attempt to open or repair the sensor Leaking or ex hausted sensors should be disposed of in accordance with local regulations Please refer to the Material Safety Data Sheet in the Appendix to learn about potential hazards and corrective action in case of accident To install the cell 1 Turn the unit off by placing the power switch on the rear panel of the analyzer in the OFF position 2 Disconnect the red and black leads from the terminal strip Remove the spent cell by pulling up on it and twisting slightly 3 Remove the new Micro Fuel Cell from its protective bag CAUTION Do not scratch puncture or damage the sensing membrane of the Micro Fuel Cell sensor Damage to the membrane will require replacement of the sensor 4 Attach the red lead of the new cell to terminal 1 and the black lead to terminal 2 5 Replace the cell on the cell holder by pushing and twisting until it strikes bottom TELEDYNE BROWN ENGINEERING 5 Analytical Instruments 2 0 Installation amp Operation 319R Setting Alarms The alarms can be adjusted over the full scale range and they are set as a per
5. AUTION Evidence of tampering or abuse will render the warranty null and void TELEDYNE BROWN ENGINEERING Analytical Instruments 11 3 0 Maintenance 319R 12 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Appendix Appendix Specifications Ranges Sensitivity Signal Output 0 200 PPM 0 1999 PPM O and 0 25 calibration range 1 of full scale Standard 0 10 VDC negative ground 4 20 mA negative ground plus contact closures for range identification Display Digital 7 segment 3 2 digit LCD with over range indicator Alarms high alarm adjustable amp fail safe One low alarm adjustable amp fail safe One low alarm fixed at 2 full scale and fail safe Accuracy 2 of full scale at constant temperature and pressure of calibration 5 of full scale throughout operating temperature range once temperature equilibrium has been reached Response 90 of full scale in 35 seconds Operating Temp Range 32 F to 122 F 0 C to 50 C Power 85 264 VAC 47 440 Hz 10 36 VDC user specified 10 W max Enclosure General purpose panel mount Cell 7 2 Cell Warranty 6 months Cell Life Expected 6 months Dimensions 2 75 H x 6 0 W x 2 75 D 63 5 mm x 152 4 mm x 63 5 mm Faceplate 3 75 x 7 0 W 95 25 mm x 177 8 mm Probe unit 4 0 H x 6 0 W x 3 D 101 6 mm x 152 4 mm x 76 2 mm TELEDYNE BROWN ENGINEERING 13 Analytical Instr
6. MODEL 319R OxvGEN DETECTOR INSTRUCTION MANUAL P N M59608 ECO 95 416 7 10 95 sg TELEDYNE BROWN EGINEERING Analytical Instruments Copyright 1993 Teledyne Brown Engineering Analytical Instruments All Rights Reserved No part of this manual may be reproduced transmitted transcribed stored in a retrieval system or translated into any other language or computer language in whole or in part in any form or by any means whether it be electronic mechanical magnetic optical manual or otherwise without the prior written consent of Teledyne Brown Egineering Analytical Instruments TBE 16830 Chestnut Street City of Industry CA 91749 1580 Warranty This equipment is sold subject to the mutual agreement that it is warranted by us free from defects of material and of construction and that our liability shall be limited to replacing or repairing at our factory without charge except for transportation or at customer plant at our option any material or construction in which defects become apparent within one year from the date of shipment except in cases where quotations or acknowledgements provide for a shorter period The Micro Fuel Cell warranty period begins on the date of shipment from Teledyne Components manufactured by others bear the warranty of their manufacturer This warranty does not cover defects caused by wear accident misuse neglect or repairs other than those performed by Teledyne or an authorized service
7. azard The following information is given as a guide in the event that a cell leaks Protective measures during cell replacement Cleanup Procedures Before opening the bag containing the sensor cell check the sensor cell for leakage If the sensor cell leaks do not open the bag If there is liquid around the cell while in the instrument wear eye and hand protection Wipe down the area several times with a wet paper towel Use a fresh towel each time Contaminated paper towels are considered hazardous waste 18 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Appendix Section Control Measures Eye Protection Chemical splash goggles Hand Protection Rubber gloves Other Protective Clothing Apron face shield Ventilation na Section Disposal Both lead and potassium hydroxide are considered poisonous substances and are regulated under TSCA and SARA Title HI EPA Waste Number 0008 California Waste Number 181 DOT Information RQ Hazardous Waste Solid N O S Lead 9 UN3077 PG II Follow all Federal State and Local regulations Section X References Material Safety Data Sheets from J T Baker Chemical Aldrich Malinckrodt ASARCO U S Department of Labor form OMB No 1218 0072 Title 8 California Code of Regulations TSCA SARA Title CFR 49 CFR 29 CFR 40 NOTE The above information is believed to be correct and is offered for your information considerati
8. azardous process conditions inherent in the process es he uses He is responsible for the training of personnel for providing hazard warning methods and instrumentation per the appropriate standards and for ensuring that hazard warning devices and instrumentation are maintained and operated properly TBE the manufacturer of this instrument cannot accept responsibility for conditions beyond its knowledge and control No statement expressed or implied by this document or any information disseminated by the manufacturer or its agents is to be construed as a warranty of adequate safety control under the user s process conditions ge TELEDYNE BROWN EGINEERING Analytical Instruments Table of Contents 1 0 Introduction Features ice Cel 7 2 Cell Warranty Conditions iui ae ale 2 0 Installation amp Operation Precautions sialusa Gela Output Signals Alarm Terminal Connection Sensor Installation or Replacement Seung patrio ilo dillo siae di Calibration sesti ella leale a ciare 3 0 Maintenance Replacing the FUSE Replacing the Sensor solu Z 2 Cell Warranty Conditions 0a ie leer Appendix Specifications colate eee ai eeepc Drawing Listerne Material Safety Data Sheet eens
9. cent of full scale Thus an alarm set to indicate 192 on the display while on the 200 PPM O range will activate at 192 PPM O on the 200 PPM O range and at 1920 on the 2000 O range 96 of full scale To set the alarms 1 Place the range switch located below the front panel display in the 2000 PPM range position or highest range available 2 Place the power switch in the ON position 3 To set the high alarm hold down the SET HI ALARM button while turning the potentiometer to the right of the button until the display reads the desired concentration 4 To set the low alarm hold down the SET LO ALARM button while turning the potentiometer to the right of the button until the display reads the desired concentration 5 Remember the System Cell Failure alarm is factory set at 2 of full scale should this alarm trigger the LED to the left of the front panel display will blink 6 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Installation amp Operation 2 0 NOTE Calibration To calibrate the 319R 1 2 Place the power switch in the ON position Allow the LCD reading to stabilize Expose the sensor to ambient air 20 9 or instrument grade air If the analyzer goes overrange the display will go blank and the LED to the left of the display will blink Hold down the SPAN button until the LED stops blinking While holding down the SPAN AT 20 9 button adjust the potentiometer to t
10. center We assume no liability for direct or indirect damages of any kind and the purchaser by the acceptance of the equipment will assume all liability for any damage which may result from its use or misuse We reserve the right to employ any suitable material in the manufacture of our apparatus and to make any alterations in the dimensions shape or weight of any parts in so far as such alterations do not adversely affect our warranty IMPORTANT NOTICE This instrument is intended to be used as a tool to gather valuable data The information provided by the instrument may assist the user in eliminating potential hazards caused by the user s process however it is essential that all personnel involved in the use of the instrument or its inter face with the process being measured be properly trained in the process itself as well as all instru mentation related to it The safety of personnel is ultimately the responsibility of those who control process conditions While this instrument may be able to provide early warning of imminent danger it has no control over process conditions and it can be misused In particular any alarm or control systems installed must be tested and understood both as to how they operate and as to how they can be defeated Any safeguards required such as locks labels or redundancy must be provided by the user or specifically requested of Teledyne when the order is placed The purchaser must be aware of the h
11. contained breathing Equipment apparatus and protective clothing to prevent contact with skin and eyes Unusual Fire and Explosion Emits toxic fumes under fire conditions Hazards Section V Reactivity Data Stability Stable Incompatibilities Aluminum organic materials acid chlorides acid anhydrides magnesium copper Avoid contact with acids Hazardous Decomposition of and hydrogen peroxide gt 52 Byproducts Toxic fumes Hazardous Polymerization Will not occur Section VI Health Hazard Data Routes of Entry Inhalation Highly unlikely Ingestion May be fatal if swallowed Skin The electrolyte potassium hydroxide is corrosive skin contact may cause irritation or chemical burns Eyes The electrolyte potassium hydroxide is corrosive eye contact may cause irritation or severe chemical burns Acute Effects The electrolyte is harmful if swallowed inhaled or adsorbed through the skin It is extremely destructive to tissue of the mucous membranes stomach mouth upper respiratory tract eyes and skin Chronic Effects Prolonged exposure with the electrolyte has a destructive effect on tissue Chronic exposure to lead may cause disease of the blood and blood forming organs kidneys and liver damage to the reproductive systems and decrease in fertility in men and women and damage to the fetus of a pregnant woman Chronic exposure from the lead contained in this product is extremely unlikely
12. he right of the button until the display 15 stable and reads 20 9 Release the button The unit is now calibrated The alarms will be disabled for about 25 seconds after the SPAN button 15 released Disabling the alarms allows air to be purged from the sample system without tripping any alarm set below span or 21 Do not attempt to adjust any alarm setpoints while the alarms are disabled during the 25 second period TELEDYNE BROWN ENGINEERING 7 Analytical Instruments 2 0 Installation amp Operation 319R 8 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Maintenance 3 0 Maintenance Replacing the Fuse If the unit will not turn on when plugged in and switched ON via the power switch or you suspect a blown fuse replace the fuse using the following procedure 1 Spare fuse compartment TL Disconnect the AC power and place the power switch located on the rear panel in the OFF position The fuse is located next to the power cord receptacle in the upper left hand corner of the rear panel Remove the power cord from the receptacle Insert a small flat blade screwdriver into the slot in the receptacle wall nearest the fuse and gently pry open the fuse receptacle The fuse holder will slide out The fuse in use is visible in the clip To open the spare fuse compartment push on one end until it slides out Remove the bad fuse and replace it with a 5X20 mm 1A 250V fast acting fu
13. ions are in Chapter 2 Cell Installation In addition if the LCD displays 00 0 when the unit is plugged in and the power switch is in the ON position the sensor needs to be re placed IMPORTANT After replacing the Micro Fuel Cell proceed to Chapter 2 Calibration To offset the possibility of not having a replacement cell available when needed a spare cell can be ordered shortly after the instrument is in service and each time after cell replacement thereafter NOTE Do not stockpile cells as the cell warranty begins on date of shipment Only one cell per instrument should be in reserve The spare cell should be carefully stored in an area not subject to large variations in ambient temperature 75 F nominal and in such a way to eliminate any possibility of damage Under no circumstance should you disturb the integrity of the cell package until the cell is to be used If the cell package is punctured and air permitted to enter the cell will immediately start to react to the presence of oxygen 10 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Maintenance 3 0 Warranty Conditions The Class Z 2 cell used in the 319R is warranted for six 6 months of service from the date of shipment Customers having warranty claims must return the cell in question to the factory for evaluation If it is determined that failure is due to faulty material or workmanship the cell will be replaced free of charge C
14. l Safety Data Sheet Section Product Identification Product Name Micro Fuel Cells and Super Cells all classes except A 2C A 3 and A 5 Electrochemical Oxygen Sensors all classes except R 19 Mini Micro Fuel Cells all classes Manufacturer Teledyne Brown Engineering Analytical Instruments Address 16830 Chestnut Street City of Industry CA 91749 Phone 818 961 9221 Customer Service Extension 222 Environmental Health and Safety Extension 230 Date Prepared 04 26 95 Section Il Hazardous Ingredients Composition Material or Component C A S Quantity OSHA PEL ACGIH TLV Lead Pb 7439 92 1 3 20 gms 0 05 mg m 0 15 mg m Potassium Hydroxide 1310 58 3 1 5 ml None 2 mg m Solution 15 KOH Section III Physical Chemical Characteristics Material Appearance Boiling Specific Vapor Melting DensityEvap Solubility Odor Compo GravityPres Point Rate in Water nent sure 1744 11 34 na Insoluble Solid silver Lead na 328 gray odorless 1320 2 04 na na Complete Whiteor Potassium na 360 slightly Hydroxide yellow no odor 16 gm TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Appendix Section IV Fire and Explosion Hazard Data Flash Point na Flammable Limits na LEL na UEL na Extinguishing Media Use extinguishing media appropriate to surrounding fire conditions No specific agents recommended Special Fire Fighting Wear NIOSH OSHA approved self
15. mpt to open or repair the sensor Leaking or exhausted sensors should be disposed of in accordance with local regulations Please refer to the Material Safety Data Sheet in the Appendix to learn about potential hazards and corrective action in case of accident 5 Do not scratch puncture or damage the sensing membrane of the Micro Fuel Cell sensor Damage to the membrane will require replacement of the sensor Location amp Mounting The unit is designed to be panel mounted in a general purpose area away from moisture and the elements The unit should be installed at viewing level in a sheltered area Refer to the Outline diagram dwg C 57490 for the physical dimen sions of the analyzer TELEDYNE BROWN ENGINEERING 3 Analytical Instruments 2 0 Installation amp Operation 319R The analysis unit should be installed in the process at a maximum distance of 6 feet away from the main unit depending upon the level of electromagnetic noise in the operating environment Analysis Unit Connection The receptacle for the analysis unit cable is located in the lower left hand corner of the rear panel The 6 pin Minifit fitting is keyed to fit only one way in the receptacle do not force it in The other end of the cable is made of four separate wires these should be connected to the terminal strip on the analysis unit as follows Red 1 Black 2 Green 3 The green and white connectors can be White 4 interchanged b
16. on and investigation It should be used as a guide Teledyne Brown Engineering Analytical Instruments shall not be held liable for any damage resulting from handling or from contact with the above product ge TELEDYNE BROWN ENGINEERING 19 Analytical Instruments
17. refore the analyzer has an absolute zero and requires no zero gas Span calibration is per formed with atmospheric air as the span gas To eliminate any inaccuracies due to the positive temperature coeffi cient of the Micro Fuel Cell a thermistor circuit and network of precision resistors produce a negative coefficient of matching characteristics The variable element thermistor in the compensation network is in the same assembly as the Micro Fuel Cell exposing both devices to the same tem perature conditions Warranty Conditions Customers having warranty claims must return the cell in question to the factory for evaluation If it is determined that failure is due to faulty material or workmanship the cell will be replaced free of charge CAUTION Evidence of tampering or abuse will render the warranty null and void 2 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Installation amp Operation 2 0 Installation amp Operation Precautions 1 Read this chapter in its entirety before installing the unit 2 Upon receipt of the instrument inspect the entire unit for damage Notify the shipper if any damage is found Check the unit probe and included accessories for broken or loose parts 3 The sample must be free of entrained solids and water A high humidity sample is ideal since it will prevent water loss from the cell electrolyte 4 The Micro Fuel Cell sensor electrolyte is caustic Do not atte
18. se for AC units TBE P N F 1189 or 1 2A fast acting fuse for DC units P N F 51 F loll E Slot Fuse in use Figure 5 1 Replacing the fuse AC power 29 TELEDYNE BROWN ENGINEERING 9 Analytical Instruments 3 0 Maintenance 319R 5 Replace the fuse holder into its receptacle pushing in firmly until it clicks In units with DC power the fuse is located on the rear panel above the ON OFF switch Open the fuse holder by unscrewing and removing the knob marked FUSE The fuse will be located inside the knob Replacing the Sensor The characteristics of the Micro Fuel Cell are similar to those of a mercury battery in that both provide an almost constant output through their useful life and then fall off sharply towards zero at the end If the sample being analyzed has a low oxygen concentration cell failure will probably be indicated by the inability to properly calibrate the analyzer You will find that very little adjustment of the span potentiometer will be required to keep the analyzer calibrated properly during the duration of a given cell s useful life If large or many turn adjustments clockwise are required to calibrate the instrument or calibration cannot be achieved within the range of the control the cell needs replacing Read the following section Cell Warranty before replacing the cell Cell installation instruc t
19. uments Appendix 319R Spare Parts List TY P N DESCRIPTION C57304 PC board main A33748 Thermistor assembly C6689 Z2 Micro Fuel Cell Z 2 F1189 Fuse 1A AC F51 Fuse DC A59264 Probe to analyzer cable 6 feet ep hr Kee oO A minimum charge of US 20 00 is applicable to spare parts orders IMPORTANT Orders for replacement parts should include the part num ber and the model and serial number of the system for which the parts are intended Send orders to TELEDYNE BROWN ENGINEERING Analytical Instruments 16830 Chestnut Street City of Industry CA 91749 1580 Telephone 818 961 9221 TWX 910 584 1887 TDYANYL COID Fax 818 961 2538 or your local representative 14 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Appendix 57490 58154 D 57302 C 57305 C 57307 B 58123 Drawing List Outline diagram Probe interconnection diagram Electronic PCB schematic diagram Power supply PCB schematic diagram Power supply PCB assembly diagram Analysis unit probe outline Note 319R analyzers with 25 and 100 range modifications incorporate the following changes 100 range modified circuit changes RESO JP2 connects pins 1 and 2 R52 is 12 5K R30 is 7 5K R35 is 1 5K 25 range modified circuit changes RR JP2 connects pins 1 and 2 R52 is 50 R30 is 28K R35 is 11K ge TELEDYNE BROWN ENGINEERING 15 Analytical Instruments Appendix 319R Materia
20. ut be consistent Refer to the probe interconnection dwg A 58154 Sample flow and pressure should not create significant backpressure past the sensor 2 SCFH atmospheric pressure is nominal AC Power International Ranges A 6 foot power cord is supplied with the Model 319R Plug the female end of the power cord into the receptacle in the upper left hand corner of the rear panel The unit is now ready to be plugged into an AC power source 85 264 VAC 47 440 Hz The ON OFF switch is located to the right of the power cord recep tacle DC Power If you have ordered the 10 36 VDC power option install DC power via the terminal strip on the rear panel of the unit Output Signals Terminals for 4 20 mA 0 10 VDC and range identification are labeled on the rear panel of the analyzer along with high alarm low alarm and sensor failure block terminals 4 TELEDYNE BROWN ENGINEERING Analytical Instruments 319R Installation amp Operation 2 0 Alarm Terminal Connection SPDT relay contacts are provided for each of the 3 alarms There are 9 terminals available on the back panel of the system for alarm circuit connection The explanation for the relay terminals abbreviations is as follows NC Normally closed C Common NO Normally open The alarm relay circuits are designed for failsafe operation meaning that the relays are activated energized during normal operation If power fails or if an alarm setpoint
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