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AMI

Oxygen Analyzer Manual

Model 60 Probe

AMI,

Costa Mesa

, CA

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Summary of Contents for 60

Page 1: ...AMI Oxygen Analyzer Manual Model 60 Probe AMI Costa Mesa CA ...

Page 2: ...Features 4 Options 4 Oxygen sensor 4 Sensor Warranty 5 Instrument Warranty 5 Installation and Operation 6 Receiving the analyzer 6 Precaution 6 Installation 6 Location 6 Probe connection 7 Display unit option 8 Display unit connections 9 Initial test 9 Output connections 9 Sample connection 9 Sensor Installation 10 Notes 10 ...

Page 3: ...ecifications 16 Disclaimer 17 Material safety data sheets MSDS 18 Sensor type P3 P4 P5 18 Product Identification 18 Physical and chemical data 18 Physical hazards 18 Health hazard data 19 Emergency and first aid procedures 19 Handling information 19 Sensor type P2 20 Product Identification 20 Physical and chemical data 20 Fire and explosion hazard data 21 Reactivity data 21 Emergency and first aid...

Page 4: ...liable effective performance However there are many pitfalls in achieving correct oxygen analysis particularly at low ppm levels and AMI stands ready to provide a complete solution to the analysis problem from sample system design to on site troubleshooting and problem analysis Please feel free to call AMI for help should your results not meet your expectations Caution Read and understand this man...

Page 5: ...irtually unaffected by hydrocarbons or other oxidizable gases High accuracy and fast response Backed by a two year warranty Options Meter display unit with analog voltage output from 4 20 mA Oxygen sensor AMI uses an industry standard electrochemical sensor This measures the concentration of oxygen in a gas stream using an oxygen specific chemistry It generates an output current in proportion to t...

Page 6: ...isms it will be credited on a pro rated basis to the purchase of a new sensor NOTE Any evidence of abuse or physical damage such as a torn membrane will cause the failure not be regarded as a covered under the warranty Instrument Warranty Any failure of material or workmanship will be repaired free of charge for a period of two years from the original purchase shipping date of the instrument AMI w...

Page 7: ...as connections downwards in a suitable bracket Mount the display unit if used in a suitable panel opening with 8 32 or equivalent screws This unit should be within about 6 feet of the probe Connect the cable provided to the probe and to the display unit or suitable power supply 12 24V DC and monitoring system If the display unit is used connect it to a suitable power supply 12 24V DC and connect t...

Page 8: ...o filter it The unit provides a regulated 5V DC output at up to 50 mA for external use If the display unit is used connect the power to it The probe is provided with a length of cable attached If this length is not sufficient an additional length may be added up to a distance of about 100ft Make the connection in a suitable connection box The cable used must be a pair of shielded twisted pairs of ...

Page 9: ...AMI Analyzer Manual 8 Display unit option Figure 3 Display unit showing mounting hole dimension Figure 6 Display unit panel cut out 3 8 4 1 2 35 2 5 4 5 2 78 Figure 5 Back Panel Connections ...

Page 10: ...onitoring system to 20 9 oxygen or equivalent nitrogen for nitrogen purity systems The unit should be recalibrated after about one day and thereafter at a rate determined by usage though once a month is typical Output connections The voltage output circuit is capable of driving an input resistance of 10K Ohms or more Lower input resistances will degrade the accuracy of the circuit Sample connectio...

Page 11: ... to rapid temperature changes For example do not mount it close to an outside door or air conditioning duct that will allow a sudden draft of cold or hot air to blow on it If used as an area monitor the probe should be mounted where it will sense a representative sample of the room air If the room has no natural circulation you may want to install a fan to make sure that there is some air movement...

Page 12: ...ncorrect gas often nitrogen Some limitation must be made therefore in the permissible gain of the system so that this condition is detected Typically the gain is allowed to vary no more than 25 between calibrations However it is still possible for a calibration to be sufficiently in error that the system cannot be recalibrated again once it has been messed up Therefore it must be possible to force...

Page 13: ... Replacement This should be done on a regular schedule rather than as a response to a dead sensor See the chart below for recommended sensor replacement Sensor Part number Description Expected life P2 4SEN03 1 0 50 oxygen inert background 12 15 months P3 4SEN04 0 25 oxygen inert or CO2 background 9 12 months P5 4SEN19 0 25 oxygen H2S resistance for 0 500ppm 9 12 months Table 1 AMI sensor types ...

Page 14: ...oes immediately flush the affected area with water for a period of at least 15 minutes Refer to the Material Safety Data Sheet provided Dispose of leaking or used sensors in accordance with local regulations Sensors usually contain lead which is toxic and should generally not be thrown into ordinary trash Refer to the MSDS to learn about potential hazards and corrective actions in case of any acci...

Page 15: ...t gold plated contact side of sensor should be facing up touching the sensor unit contacts The membrane side is covered by a convex gold plated mesh Be careful not to touch the membrane while doing this if the membrane is punctured the sensor must be replaced 7 Carefully replace the cap making sure that you do not cross thread it and tighten firmly by hand Do not over tighten 8 Allow the sensor to...

Page 16: ...e as shown in the previous sections every 6 months until the expected end of life At this point it is recommended that you replace the sensor rather than try to eke the last few days of life from it The sensor life typically ends when you run out of span adjustment ...

Page 17: ...erating temperature 25 F to 115 F 4 C to 46 C Humidity 85 non condensing Operational conditions Pollution degree 2 Installation category I I Drift 1 of full scale in 4 weeks at constant temperature dependent on sensor Response times 90 of full scale 13 seconds Outputs 0 2 5V nominal un calibrated Power requirements Between 12 and 24 VDC 10 mA Dimensions 2 15 Dia x 2 high not including fittings or ...

Page 18: ...or operation with non flammable samples in a general purpose i e non hazardous area Any damage resulting from its use in a hazardous area or with flammable or explosive samples is expressly the responsibility of the user The AMI analyzer is not designed as a primary safety device that is to say it is not to be used as the primary means of assuring personnel safety In particular it is not designed ...

Page 19: ...racter of individual components Component HC2H3O2 99 Pb pure NaC2H3O2 97 Ag2O Melting point range 16 6 C 328 C 292 C Decomposes 100 C Boiling point range 118 C 1744 C N A N A Specific gravity 1 05 11 34 1 57 7 22 pH N A N A N A N A Solubility in water Infinite Insoluble 72 25 C Very slightly soluble Appearance and odor Clear colorless solution with a strong vinegar like odor odorless gray metal Od...

Page 20: ...ith pre existing skin disorders eye conditions or impaired respiratory function may be more susceptible to these substances Carcinogenity IARC lead is classified as a class 2B carcinogen possibly carcinogenic to humans Other health hazards Lead is a chemical known to the State of California to cause birth defects or other reproductive harm As the sensor is used lead acetate is formed Lead acetate ...

Page 21: ...lations EPA waste number D008 California waste number 181 DOT information RQ Hazardous Waste Solid N O S lead 9 UN3077 PG III Advanced Micro Instruments Inc shall not be held liable for any damage arising out of using or abusing this product Sensor type P2 Product Identification Product name Oxygen sensor class P2 Manufacturer Advanced Micro Instruments Address Phone 714 848 5533 Date of last revi...

Page 22: ...ual fire and explosion hazards Emits toxic fumes under fire conditions Reactivity data Stability Stable Incompatibilities Aluminum organic materials acid chlorides acid anhydrides magnesium copper Avoid contact with acids and hydrogen peroxide 52 Hazardous decomposition byproducts Toxic fumes Hazardous polymerization Will not occur Emergency and first aid procedures Eye contact Flush eyes with wat...

Page 23: ... of the electrolyte will cause severe irritation and chemical burns Signs symptoms of exposure The electrolyte is harmful if swallowed inhaled or absorbed through the skin It is extremely destructive to the mucous membranes stomach mouth upper respiratory tract eyes and skin The lead will lead to symptoms such as loss of sleep loss of appetite metallic taste and fatigue Medical conditions aggravat...

Page 24: ... is found do not open the bag If there is liquid around the sensor installed in the instrument put on gloves and eye protection before removing it Disposal Must be in accordance with all applicable federal state and local regulations Both lead and potassium hydroxide are considered poisonous substances and are regulated under TSCA and SARA title III EPA waste number D008 California waste number 18...

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