Manual - Nextteq
Contents
1. NA reagent see 5 above If a stain is obtained on oil mist tube and a bleaching has occurred around the zero read the stain and ignore the bleaching 8 The H20 tube PN 6A responds to water vapor with either a green or a purple wa Stain The green color merely signifies the presence of water vapor It is not related to the concentration and should be ignored Read only the purple stain 9 The reading on the H2O tube should be recorded immediately When the tube is wa removed it will continue to respond to ambient moisture Similarly place the tube in the holder as soon as possible after the ends have been broken 10 Always pay strict attention to the instruction sheets provided in the tube boxes Detector tubes have limits on temperature and humidity 11 Accuracy in detector tube testing is 25 23 NEXTTEQ LLC Rev 2 4 09 Appendices Parts List STD 300 Airtec Kit 357 Tube Holder STD 300 M Airtec Manual STD 300 1 Hard Shell Case For Deluxe Airtec Kit 1A Carbon Monoxide Detector Tube 2AG Carbon Dioxide Detector Tube 6A Water Vapor Detector Tube 6AG Water Vapor High Range Detector Tube 109AD Oil Mist Detector Tube Returned Material Authorization Nextteq LLC maintains an instrument service facility at the factory to provide its customers with both warranty and non warranty repair service Nextteq LLC assumes no liability for service performed by personnel other than Nextteq personnel To facilitate the r2. The Airtec System will provide maximum accuracy only if the system is leak free Test for leaks by applying a soap solution to system connections while the unit is under normal operating pressure If a leak is detected tighten the fitting slightly and retest Repeat until the leak is stopped Warning Do not over tighten connections Return unit to factory if leaks persist Below is a list of potential leak sites that would have a direct effect on tube accuracy Tube holder fitting Regulator flow meter fitting Flow meter needle valve Flow meter cover tube Leaks upstream e g regulator fitting although undesirable should not affect system accuracy Note Following leak checks allow 500 cc min to flow through the flow meter for 10 minutes to remove any moisture accumulation Note Leak checks should be run 500 cc min with a used tube in place use tube 109AD 4 2 EQUIPMENT FAILURE In the event of failure of the regulator or flow meter return the unit to Nextteq LLC for servicing Do not attempt to repair either the regulator or the flow meter For information on equipment returns see Appendix B Returned Material Authorization page 24 21 NEXTTEQ LLC Rev 2 4 09 SECTION V Sampling Tips Tips for Tube Reading The following items will be helpful when reading and interpreting the Airtec detector tubes 1 Always read the tubes and record the results immediately after testing In some cases stains may fade or
3. purchase order shipping and billing information RMA a description of the problem encountered with your instrument and any special instructions All prices are subject to change without notice If this is the first time you a dealing directly with the factory you will be asked to prepay or authorize a COD shipment Send the instrument prepaid to Nextteq LLC 8406 Benjamin Rd Suite J Tampa FL 33634 Attention Customer Service Department RMA Service Options The Nextteq LLC Service Department offers you a variety of service options that will help to increase your user confidence while minimizing costly interruptions and maintenance costs These options include initial training on site technical assistance and full factory repairs Nextteq LLC has developed several programs that will allow you to select just the right options that are best suited to your applications and needs For further information contact the Nextteq LLC Service Department NEXTTEQ LLC Rev 2 4 09
4. 3 2 BOTTLED BREATHING AIR The following test procedure should be followed when testing bottled breathing air 1 Open the bottle valve momentarily to blow away any foreign material that may have accumulated inside the connection 2 Connect the regulator to the breathing air bottle and tighten it with an appropriate wrench The fitting takes a 1 1 8 open end wrench The flow meter should be mounted vertically for maximum accuracy Close the adjustment knob by turning it fully clockwise do not over tighten then open it 2 turns counterclockwise Warning Do not over tighten the regulator fitting Severe over tightening will cause distortion of the threads and or seating surface 3 Open the bottle valve completely and read the gauge pressure on the regulator The pressure should be no less than 150 psig and no more than 3000 psig 4 Adjust the flow meter needle valve momentarily to assure the flow meter ball move freely throughout the entire length of the tube Shut off flow meter valve turn it counter clockwise to open and clockwise to close Warning Do not over tighten the flow meter needle valve Over tightening will damage the fine internal threads and sensitive metering seat The needle valve NEVER needs to be closed tightly 18 NEXTTEQ LLC Rev 2 4 09 19 SECTION III Testing Procedure 5 Break the end off of a fresh tube and install it in the tube holder Note the directional arrow Hold the tube holde
5. ENTS Section V Sampling Tips Tips for Tube Readings 22 ax es ana ee aa 22 Appendices Appenuix A Parts List 54 megeg ee Re Rs a a e 24 Appendix B Returned Material Authorization sees 24 List of Figures Figure 1 Ihe Airtee S ySle TL e ood Cea e nb RP xe ede uiae up AIRE NR DERE E PE 11 Figure 2 Airtec amp Bottled NIE essen ae 14 Figure 3 Airtec amp Compressed Air x d eds 15 Figure 4 Reading the Flow meter uns ea 17 List of Tables Table 1 Compressed Gas Association Grade D Standards 12 Table 2 Aimec Tube Data a o ete bae mo 13 Table 3 Resulator Specification Ss cus aaa sero xe Y Rp x UP CREER Mex Ph Nat a 16 Table 4 Flow meter Specificatlons ei NE EEIEE SEYFRS qu bove 17 5 NEXTTEQ LLC Rev 2 4 09 WARNINGS IN READ AND UNDERSTAND ALL WARNINGS BEFORE USE Read and understand ALL warnings before using this product Failure to read understand and comply with ALL warnings could result in property damage severe personal injury or death Read and understand ALL applicable Federal State and Local environmental health and safety laws and regulations including OSHA Ensure complete compliance with ALL applicable laws and regulations before and during use of this product In particular follow ALL OSHA guidelines as set forth in Federal Register 20 CFR Part 1910 134 d 2 ii states that breathing air systems employing an oil lubricated c
6. NEXTTEQ LLC Airtec Kit yi ARTIE AMO AAN NE OPERATION AND SERVICE MANUAL Address 8406 Benjamin Rd Suite J Tampa FL 33634 Toll free 877 312 2333 e Toll free Fax 877 312 2444 Local Phone 813 249 5888 e Fax 813 249 0188 Website www nextteq com NEXTTEQ LLC Rev 2 4 09 NEXTTEQ LLC Dear Valued Customer Thank you for selecting the Nextteq LLC Airtec Kit The Airtec Kit has been designed and manufactured to meet the highest levels of quality convenience and performance Each Airtec Kit is tested to withstand the most rigorous operating conditions to ensure that you will receive continuous and dependable performance day after day Our goal is to provide you with superior service and support at every level of our organization Your satisfaction is our primary concern We urge you to call us with any questions or comments you may have You can contact us toll free at 877 312 2333 or locally at 813 249 5888 All of us at Nextteq LLC appreciate the opportunity to serve you now and in the future Nextteq LLC 2 NEXTTEQ LLC Rev 2 4 09 PACKING LIST The following items are shipped with the Standard Airtec Regulator Kit Part No STD 300 e Regulator Part No STD 300 R e Operation amp Service Manual Part No STD 300 M e Rubber Shroud Tube Holder Part No 357 The following items are shipped with the Deluxe Airtec Regulator Kit Part No STD 301 e Regulator Part No STD 300 R e Opera
7. Pale Blue to Purple Water Vapor 500 5000 ppm 300 1 Greento Purple Water Vapor 30 80 mg m 100 10 Yellow to Purple Water Vapor 150 3000 mg m 9 LLL Green to Purple Nitrogen Oxides 11A 0 02 0 7 100 White to Bluish Green 0 06 2 100 Oil Mist 109AD 0 2 5 0 mg m 1000 2 Orange to Pale Blue Oil Mist test may be run 1000 scc min for 20 min as indicated in tube instructions Flow rates over 500 scc min require a high range flow meter However Nextteq s Regulator has a maximum flow rate of 500 scc min so the oil mist tubes should run at a 500 scc min for 40 minutes All tubes have a Temperature Range of 4 40 C IK NEXTTEQ LLC Rev 2 4 09 SECTION I Introduction FIGURE 2 AIRTEC amp BOTTLED AIR 14 NEXTTEQ LLC Rev 2 4 09 SECTION I Introduction FIGURE 3 AIRTEC amp COMPRESSED AIR Quick Connection for Airtec not included with kit u GRADE D BREATHING AIR FILTRATION SYSTEM E ae COLUMN DRYER E COMPRESSOR 15 NEXTTEQ LLC Rev 2 4 09 16 2 1 REGULATOR The regulator is a two stage breathing air regulator It is preset at the factory to deliver 50 psig to the flow meter It is precision machined from solid brass stock Internal parts are protected by a double filter system of sintered Monel metal backed by sintered bronze A preset safety device prevents overloading Warning The regulator has a maximum inlet pressure o
8. ation RMA 6 NEXTTEQ LLC Rev 2 4 09 WARNINGS ONLY use genuine Nextteq LLC replacement parts when performing any maintenance procedures provided in this manual Failure to do so may seriously impair instrument performance Repair or alteration of the product beyond the scope of these maintenance instructions or by anyone other than an authorized Nextteq LLC serviceman will void the warranty and could cause the product to fail to perform as designed and persons who rely on this product for their safety could sustain severe personal injury or death Review the interferences for each detector tube used in conjunction with this equipment Observe any temperature of humidity corrections for the detector tubes used with this equipment Use ONLY Gastec detector tubes designed for use with the Airtec System DO NOT use other brands of detector tubes with the Airtec tube holder Detector tubes contain chemical reagents DO NOT ingest or allow children to ingest tube contents Avoid cuts from broken detector tubes The tube holder may have to be held in place during tube installation Excessive stretching of the tube holder will shorten the useful life of the tube holder The regulator incorporated in this equipment has a maximum inlet pressure of 3000 psig DO NOT exceed this pressure The flow meter will not operate properly if the regulator inlet pressure drops below 50 psig The Airtec System should be checked for leaks on a routi
9. crawl within a few hours 2 A tube may never be reused even after a zero reading 3 The oil mist tube is normally used at 500 scc min for 40 minutes However reliable results can be obtained using shorter sampling periods and correcting the reading with a multiplication factor see below Test Duration Multiply Reading By 20 minutes 2 4 If at the end of a test you note that the stain has overshot the scale the actual concentration may be determined as follows a Repeat the test with a new tube and observe the time required to reach the highest calibration mark full scale b Multiply the full scale concentration by the ratio of the recommended test time to the actual test time Example H20 tube reaches full scale 80 mg m in 36 seconds Recommended time is 1 minute Ratio 1 min 0 6 mins 1 66 Thus the actual concentration is 80 x 1 66 133 mg m 22 NEXTTEQ LLC Rev 2 4 09 SECTION V Sampling Tips 5 Excessive water vapor i e gt 3 mg l of H20 may cause the reagent in the oil mist tube PN 109AD to stain yellow although the reading will not be affected Run the water vapor test before running the oil mist test The recommended testing priority is listed below 1 H5O 2 CO 35 2 4CO 4 Oil Mist 6 The proper stain color for oil mist tube is dark brown Other color changes should be disregarded 7 Moisture intrusion in the oil mist tube PN 109AD causes a bleaching of the
10. epair process please contact the Nextteq Customer Service Department for assistance with problems which cannot be remedied on site All returned products require a Returned Material Authorization RMA number prior to returning product to the factory Nextteq LLC customer service personnel may be reached at Nextteq LLC 8406 Benjamin Rd Suite J Tampa FL 33634 813 249 5888 877 312 2333 Fax 813 249 0188 877 312 2444 All non warranty repair orders will have a minimum fee whether the repair is authorized or not This fee includes handling administration and technical expenses for inspecting the instrument and providing an estimate However the estimate fee is waived if the repair is authorized 24 NEXTTEQ LLC Rev 2 4 09 Appendices If you wish to set a limit to the authorized repair cost state a not to exceed figure on your purchase order Please indicate if a price quotation is required before authorization of the repair cost understanding that this invokes extra cost and handling delay Nextteq LLC s repair policy is to perform all needed repairs to restore the instrument to its full operating condition Repairs are handled on a first in first out basis Your order may be expedited if you authorize an expediting fee This will place your order next in line behind orders currently in process Pack the instrument and its accessories preferably in its original packing and enclose your return address
11. f 3000 psig Do not exceed maximum inlet pressure The regulator will not operate properly if the inlet pressure drops below 50 psig The preset delivery pressure of 50 psig should not be altered Above 60 psig the safety valve will vent off excess pressure to prevent damage to the flow meter The Regulator specifications are shown in Table 3 below 2 2 FLOWMETER The flow meter is a ball and tube assembly equipped with a metering valve The system is backpressure compensated to maintain constant flow when downstream pressure fluctuations occur It is calibrated for a delivery pressure of 50 psig and for readings at SECTION II Airtec Kit Components the center of the ball refer to Figure 4 page 17 For maximum accuracy the flow meter should be mounted vertically This may be checked with a level although setting by eye is adequate The flow meter ball should float and rotate freely throughout the length of the tube The flow meter is calibrated a 70 F 21 1 C and 50 psig for breathing air Caution It is not suitable for use with other gases and cannot be used with pure oxygen Read the flow meter at the center of the ball The flow meter is marked with lines at 25 cc min increments and numbers at 100 cc min increments Important The flow meter is housed in a pressurized cover tube Cracks or leaks in the cover tube will affect system accuracy Leaks between the flow meter and the tube holder w
12. ill result in low tube readings Flow meter specifications are shown in Table 4 page 17 TABLE 3 REGULATOR SPECIFICATIONS ITEM SPECIFICATION Maximum Inlet Pressure 3000 psig Outlet Pressure 50 psig preset Inlet Gauge Range Inlet Connection CGA 346 CGA 590 available 0 4000 psi NEXTTEQ LLC Rev 2 4 09 SECTION II Airtec Kit Components 2 3 TUBE HOLDER The tube holder is designed to hold a Gastec detector tube leak tight in series with the regulator flow meter Important Use only Gastec Airtec tubes Other Gastec tubes are NOT calibrated for use with this type of sample delivery See Section 1 3 page 12 for further information FIGURE 4 READING THE FLOWMETER 125 scc min 100 scc min TABLE 4 FLOWMETER SPECIFICATIONS Range 100 500 scc min Delivery Pressure 50 psi preset Backpressure Compensation Yes Metering Value Integral with flow meter 17 NEXTTEQ LLC Rev 2 4 09 SECTION III Testing Procedure 3 1 INTRODUCTION The Airtec kit is equipped with a CGA 346 fitting for breathing air bottles This fitting is specified by the compressed Gas Association to be used only for breathing air bottles The Airtec Kit may also be used for filtration and carbon monoxide removal devices by providing a quick disconnect near the respirator hookup See Figure 3 page 15 Refer to section 3 3 page 20 for details on monitoring compressor supplied systems
13. led breathing air is prepared by blending liquid N2 and liquid O2 at 79 and 21 respectively Oxygen content should be monitored when this type of breathing air is used Nextteq LLC recommends the use of an oxygen tube with pump and sampling bag Warning The Airtec system should be checked for leaks on a routine basis This may be done by applying soap solution around the connections The critical area to check is between the flow meter and the tube holder See Section 4 1 page 21 NEXTTEQ LLC Rev 2 4 09 SECTION III Testing Procedure 3 3 COMPRESSOR SYSTEMS The Airtec Kit may also be used for monitoring compressed breathing air systems See Figure 3 page 15 The Airtec System should be placed as close as possible to the respirator hookup The line pressure must be above 50 psig in order for the flow meter to work properly The test procedure is the same as that for bottled air outlined in Section 3 2 page 18 To use the Airtec System with a compressed air system prepare an adapter as outlined below in a or b a In the sample line near the respirator hookup install a valve and a CGA 346 connection The connection may be obtained from your local compressed gas supplier It is the type used on breathing air bottles b Prepare a quick disconnect adapter in the following manner Obtain a CGA 346 bottle connection from your local compressed gas supplier Attach it in a leak tight manner to a quick disconnect fitting from one
14. ne basis Cracks or leaks in the flow meter cover tube can affect flow meter accuracy Leaks between the flow meter and the tube holder will result in low detector tube readings The flow meter is calibrated for breathing air It is not accurate when applied to other gases The preset regulator delivery pressure of 50 psig should not be altered The maximum safe pressure for the flow meter is 75 psig DO NOT over tighten ANY threaded connection Over tightening the regulator fitting can cause distortion of the threads and or seating surface Over tightening the flow meter needle valve will damage fine internal threads and sensitive metering seat 7 NEXTTEQ LLC Rev 2 4 09 WARNINGS The system should always be stored in a clean dry place when not in use Some bottled breathing air is prepared by blending liquid nitrogen and liquid oxygen at 79 and 21 respectively Oxygen content should be monitored when this type of breathing air is used DO NOT attempt to remove the Airtec regulator from the breathing air source while the regulator is under pressure Take precautions against water entry into the regulator Use line pressure to blow out the connector prior to regulator hookup when sampling compressed air Be sure that the weight of the Airtec System is properly supported during hookup to compressed air lines Be sure that any adapters prepared for use of the Airtec System on compressed air lines are capable of handling line press
15. of your respirators Your Airtec System may now be connected directly into your respirator hookup Warnings Take precautions against water entry into the regulator Use line pressure to blow the connector out prior to regulator hookup Be sure that the weight of the Airtec regulator flow meter is properly supported during testing Be sure that the adapters are leak tight and capable of handling line pressure Federal Register 29 CFR Part 1910 134 d 2 ii states that breathing air systems employing an oil lubricated compressor must employ a carbon monoxide alarm a high temperature alarm or both The Airtec System does NOT substitute for a CO or a high temperature alarm If only a high temperature alarm is used frequent CO testing is required The Airtec System is suitable for such testing Filtration systems utilized in purifying air from oil lubricated compressors employ a catalyst to convert CO to CO Note the following items a The catalyst is ruined if contacted by water and will no longer be effective b If CO levels increase sharply between tests this could be an indication of CO intrusion or production in the compressor Warning Most CO intrusion into compressed breathing air systems is caused by a CO source near the compressor inlet Never operate motorized vehicles near the inlet of a breathing air compressor 20 NEXTTEQ LLC Rev 2 4 09 SECTION IV Maintenance amp Troubleshooting 4 1 TESTING FOR LEAKS
16. ompressor must install a carbon monoxide alarm or a high temperature alarm or both The Airtec System does not substitute for a CO or high temperature alarm UNDER NO CIRCUMSTANCES should this product be used except by qualified trained technically competent personnel and not until the warnings Operation and Service Manual labels and other literature accompanying this product have been read and understood The Operation and Service Manual must be read and understood by each user before operating this product or using its accessories in order to ensure proper and safe use and installation of this product and to ensure familiarity with the proper treatment and safety procedures in the event of an accident ALWAYS dispose of chemicals and calibration sources in compliance with ALL applicable safety laws regulations and guidelines for proper disposal Failure to do so may result in environmental and property damage personal injury or death DO NOT remove or alter any label or tag on this product its accessories or related products DO NOT operate this product should it malfunction or require repair Operation of a malfunctioning product or a product requiring repair may result in serious personal injury or death DO NOT attempt to repair or modify the instrument except as specified in the Operation and Service Manual If repair is needed contact the Nextteq LLC customer service department to arrange for a Returned Material Authoriz
17. onnect the flow meter to any pressure source capable of exceeding 75 psig DO NOT attempt to alter or repair this equipment yourself Return to factory for repairs DO NOT use this equipment for gases other than compressed air Compressed air at high pressures can accelerate burning of combustible materials Compressed air cylinders should not be used for breathing air unless specifically labeled as breathing air Compressed air cylinders should always be secured e g chained to a wall post or in a cylinder cart in an upright position when in use Compressed air cylinders should not be exposed to heat or sparks Smoking is prohibited in cylinder storage or usage areas NEVER operate motorized vehicles near a breathing air compressor inlet Filter systems utilized for purifying breathing air from oil lubricated compressors employ a catalyst to convert CO to CO Water contact will deactivate the catalyst 9 NEXTTEQ LLC Rev 2 4 09 SECTION I Introduction 10 1 1 MONITORING BREATHING AIR A chemical plant worker inspecting a tank car cleaning operation a fire fighter donning his self contained breathing apparatus and a SCUBA diver on a weekend holiday all face acommon situation Each is putting his or her life on the line by hooking up to a temporary air supply Assured that by using a life supporting device he she is being provided maximum protection the quality of that breathing air is probably the last thing on his o
18. osure causes headaches dizziness sweating shortness of breath increased heartbeat and blood pressure coma asphyxiation and convulsions Oil Mist Oil mist and particulate matter are forms of condensed hydrocarbons The larger particles are readily removed by the upper respiratory tract but smaller particles can be retained and cause problems Oil mist in the lungs can cause lipoid pneumonia and emphysema Water Vapor Water Vapor in a breathing air system causes different problems It can promote system corrosion and cause regulator failures due to icing in cold weather It can destroy the catalyst in a filtration system that removes CO by converting it to CO NEXTTEQ LLC Rev 2 4 09 SECTION I Introduction FIGURE 1 THE AIRTEC REGULATOR Inlet Pressure Gauge Outlet Hose Barb _ ale Fl t l tes owmeter a NG gt P CGA 346 Connection 11 NEXTTEQ LLC Rev 2 4 09 SECTION I Introduction 1 2 AIRTEC KIT Your Airtec Kit includes the following components Regulator Regulator Gauge Flow Meter Tube Holder 1 3 AIRTEC DETECTOR TUBES The Airtec Kit is designed for use with the following Gastec Tubes Carbon Monoxide Carbon Dioxide Nitrogen Oxides Oil Mist Water Vapor WARNING Use only the Gastec tubes listed above Airtec detector tubes are designed to meet the monitoring requirements for maintaining Grade D Compressed Gas Association breathing air The
19. r her mind A quantitative testing device is the only way to assure that the breathing air quality meets minimum standards The faster easier and less expensive such testing is the more often it can be applied A compressed breathing air system has two potential sources of contaminants 1 those entering the system with the intake air and 2 those produced internally by a faulty compressor or inadequate filtration system An example of the first type would be vehicle exhaust intrusion caused by locating the compressor air inlet too close to traffic areas or loading zones An example of the second type might be oil mist accumulation caused by an overfilled oil reservoir and inadequate filter Some common breathing air contaminants are carbon monoxide carbon dioxide nitrogen oxides oil mist and water vapor as well as oxygen deficiency Carbon Monoxide Of the common potential contaminants CO is the most deadly Itis colorless and odorless with no warning properties CO combines with blood hemoglobin more readily than oxygen causing oxygen starvation in body tissues Exposure causes headaches heart palpitations and loss of equilibrium confusion unconsciousness and death Carbon Dioxide CO2 is also toxic but can be tolerated in much higher concentrations than CO Effects are somewhat similar to CO but the increased breathing rate accompanying CO poisoning increases the intake of all coexisting contaminants Exp
20. r in place with your free hand during stretching The arrow should point away from the flow meter or downward in the normal configuration The tube is installed by first inserting the upper end into the holder then stretching the holder over the lower end of the tube Warning Avoid cuts from broken tubes during this operation Caution Excessive stretching of the tube holder will shorten the useful life of the tube holder Take care to install the tube with minimal stretching of the holder 6 Set the flow rate and start timing the sample as quickly and smoothly as possible This may seem difficult at first but smoothness will come with experience Start with a 1 minute test H2O first See table 2 page 13 Read the center of the ball 7 At the end of the time period immediately read the tube and record the results Repeat with the other tubes until all of the desired contaminants have been monitored Consult your tube instructions for details on sample time flow rate See Section 5 1 page 22 for tips on sampling 8 Close the valve on the air bottle and open the flow meter valve to bleed residual pressure off the Airtec system Be sure the pressure is completely removed 9 Disconnect the Airtec regulator flow meter system and store in a clean dry place Do not leave it in the field Warning Do not attempt to remove the Airtec regulator from a breathing air source while the regulator is under source pressure Important Some bott
21. se standards are listed in Table 1 below NOTE The Airtec Kit is not equipped to monitor for oxygen deficiency Nextteg LLC recommends the use of a portable sample draw oxygen meter Table 2 page 13 lists the data for Gastec Airtec Tubes included in the kit Tube packages contain detailed instruction sheets on the storage and use of the tubes as well as instructions on interpreting tube readings Tubes are packaged ten per box allowing ten tests Tubes may be used only once TABLE 1 COMPRESSED GAS ASSOCIATION GRADE D STANDARDS Gas Substance Level Comments Carbon Dioxide 1000 ppm Maximum level Carbon Monoxide 10 ppm Maximum level Oil Mist 5 mg m Maximum level Oxygen 19 5 23 5 Water Vapor Varies with use requirements 12 NEXTTEQ LLC Rev 2 4 09 SECTION I Introduction 1 4 ACCURACY amp CALIBRATION The Airtec System when used in accordance with tube instructions provides an accuracy of 425 The flow meter is factory calibrated and should not require recalibration with normal use and proper care of the unit Should a calibration check be required the unit may be returned to the factory or calibration may be checked using a soap film bubble meter TABLE 2 AIRTEC TUBE DATA Flow Sample Humidity Gas Na Measuring Rate Time Range Substance Range cc min Min RH Color Change Carbon Monoxide 5 50 ppm 10 3 20 90 Yellow to Dark Brown Carbon Dioxide 200 3000 ppm 100 15
22. tion amp Service Manual Part No STD 300 M e Hard Shell Case Part No STD 300 1 e Rubber Shroud Tube Holder Part No 357 e Carbon Monoxide Tube No 1A e Carbon Dioxide Tube No 2AG e Oil Mist Tube No 109AD e Water Vapor Tube No 6A e Water Vapor Tube No 6AG ALWAYS check to make certain you have received all of the items listed above If you have any questions or need assistance contact your Nextteq sales representative Toll free Phone 877 312 2333 e Local Phone 813 249 5888 3 NEXTTEQ LLC Rev 2 4 09 TABLE OF CONTENTS Preface Packing List ae hen a ea un 3 DY AUS neueren esse sade 6 Standard Safety Rules 4 nalen ara a ee 9 Section I Introduction Lol Monitoring Breathing AIC are rer er 10 1 27 irtee Kine ku 12 1 3 Rirtes Detector TUbEs cca ee user aan 12 14 Xecuraey Calibrations eeir Ee eroe Dena IM eM Mae 13 Section II Airtec Kit Components 2 1 FRE GUIALOFR ee amerika 16 2 2 rg 16 23 APube Blol e Eoi a pa NA ENG DEEST Ne ni E EE SEU SUE Aalen 17 Section III Testing Procedure SD JHiOOUCLOD uu seele 18 3 2 Bottled Breathing At 651 xeu si er Det tede cu t de is oon Pasos sa adie Glau ei 18 3 9 Compressor S VSICIIS ann dee kernel 20 Section IV Maintenance amp Troubleshooting 4 1 Testing Tor Leaks ann are DU edt Ue tide DU ete 21 4 2 Resulator Plow meter Failure Li e E E oe n REED 21 4 NEXTTEQ LLC Rev 2 4 09 TABLE OF CONT
23. ure NEVER place the Airtec regulator or flow meter in a vise Disclaimer of Warranties Nextteq LLC assumes no responsibility whatsoever to any party whosoever for any property damage personal injury or death received by or resulting from in whole or in part the improper use installation or storage of this product by the user person firm entity corporation or party not adhering to the instructions and warnings or not adhering to all federal state and local environmental and occupational health and safety laws and regulations The seller shall not be liable for direct indirect consequential incidental or other damages resulting from the sale and use of any goods and seller s liability hereunder shall be limited to repair or replacement of any goods found defective This warranty is in lieu of all other warranties expressed or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose which is expressly disclaimed 8 NEXTTEQ LLC Rev 2 4 09 WARNINGS READ CAREFULLY BEFORE USING THIS PRODUCT Some safety rules associated with compressed air systems are listed below This equipment is pressurized when in service and can cause personal injury if it is improperly used or maintained DO NOT attempt to operate this equipment if any part is damaged or broken DO NOT tamper with the preset regulator adjusting screws as over pressurization could occur DO NOT c
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