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Data Sheet 08-00-01
Momtaire Sampler,
Model S
Application
The MonitaireTM Sampler, Model S, by MSA provides the necessary vacuum for sampling atmospheres which may contain certain toxic and combustible gases, vapors, dusts, fumes, and mists.
Description
The Monitaire Sampler, Model S, is a rechargeable battery-operated dia phragm pump which supplies a vacuum source for many atmospheric testing devices including filter paper holders, charcoal tubes, impingers, and numer ous MSA portable gas detection instru ments. Flow rate is adjustable. Pump can be clipped to a worker's belt so that a continuous air sampling can be made over several working hours. The Model S pump features a dual valve assembly: a sample valve controls the sample flow directly, and a bypass valve controls bypass air which may enter through the center of the stem.
The bypass valve permits the pump to operate efficiently by compensating for sample-flow restrictions. Low sampleflow requirements or highly restrictive sample devices introduce a pressure differential which must be reduced. The bypass valve introduces atmospheric air directly into the pump, reducing the pressure differential; the bypass may be
partially or totally closed at higher sample rates. Proper bypass settings are specified in the instruction mate rials that are part of the Monitaire Sampler Kit.
A tube fitting on the exhaust side of the pump permits use of the Monitaire Sampler for pressure operations.
The battery charger has two charging rates to charge the Model S pump over night or over week ends; fully charged battery will run the pump continuously for up to eight hours.
The Monitaire Sampler Kit, Model S, includes: self-contained battery-operated pump, battery charger, instruction manual, pump maintenance card, and attach6-type carrying case with room for accessories.
Data Sheet 08-00-01
3M 115084
Sampling methods
Dust and mist collection. Filter paper
holders adapt the Model S pump to the
collection of dust, fiber, and particulate
samples, plus detection of chromic acid
mist and lead,
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This respirable dust sampler uses a cyclone and preweighed filter cassette or filter holder to collect only the respirable fractions of a variety of dusts, such as coal and silica.
This holder assembly adapts the Model S pump to chem ically detect chromic acid mist and lead dust and fumes. Collection data are given on chart at right.
Sampling data for chromic acid mist and lead dust and fumes
Measured Component
Threshold Limit Value for 1979
Calibration Range
Sampling Time
Chromic acid mist
Lead dust and fumes
0.05 mg/m3 .15 mg/m3
0.05-1.4 mg/m3 .05-6.3 mg/m3
1 to 105 minutes
1 Vi to 48 minutes
Filter weighing balance
Hazards of dust are often evaluated on a weight basis. A high degree of sensi tivity (.01 milligram) is required to relate collected samples to Threshold Limit Values. The Ainsworth Model 22MF Balance from MSA meets these requirements.
3M 115085
Charcoal sampling tubes. When used with the Monitaire Sampler, Model S, and the MSA Tube Holder, MSA Char
coal Sampling Tubes provide for efficient collection of organic and mercury vapors for subsequent analysis using laboratory equipment. Each tube has two separate layers of charcoal: a sample section and a reference section.
The organic vapor sampling tube will collect any organic compound which is capable of being collected, desorbed, and analyzed; such compounds include benzene, carbon tetrachloride, chloro form, dioxane, ethylene dichloride, tri chloroethylene, and xylene. The mer cury sampling tube collects both ele mental and chemically bound mercury vapors, plus particulates containing mercury.
Noncorrosive stainless-steel tube holder has a positive, leak-free seal; built-in clothing clip attaches to lapel to permit sampling near wearer's inhalation zone.
Impinger tests
The Monitaire Sampler can be used with MSA Midget Impinger flask assemblies for dust, gas, and vapor sam pling. Total air borne particles are wetted down and collected in the impinger flask. Because of the pump design, a 0.1 cfm sampling rate at 12 in., H20 vacuum can be obtained. This rate can be maintained for up to eight hours with a fully charged battery.
For sampling toluene diisocyanate (TDI), toluene diisocyanate urea, methylene di-para-phenylene isocya nate (MDI), and polymethylene polyphenylisocyanate (PMPPI) vapors, an all-glass impinger flask is used with the Model S pump.
Testing with MSA portable
gas detection instruments. The Monitaire Sam pler will also provide a con tinuous vacuum for drawing gas samples through MSA portable detection equip ment for testing periods up to eight hours. The test instruments can be placed up to 100 feet from the test location when sampling lines of Vi-inch ID tubing are used.
3M 115086
MSA gas detection instruments that can be used with the Monitaire Sampler include:
Portable Gas Indicator Model 20 Portable Gas Indicator Model 30 Portable Gas Indicator Model 40 Explosimeter Model 2A Explosimeter Model 2B Explosimeter Model 3 Explosimeter Model 4 Explosimeter Model 5 Explosimeter Navy Type B Explosimeter Navy Type E Explosimeter AF Navy Type R-1
Gascope Model 53 Gascope Model 60 Gascope Model 62 Portable Oxygen Indicator, 0-25%
Range Portable Oxygen Indicator, 5-40%
Range
Appr vals and standards
Sampling pump has MSHA Approval No. 2G-2239-5 as ``permissible" for methane/air atmospheres. Factory Mutual Research approved as Intrinsi cally Safe for Class I, Division 1, Groups C and D, and Class II, Divisions 1 and 2, Group G hazardous locations (as defined by National Electrical Code).
Specifications
Pump
Type: diaphragm Dimensions: 2Vi in. x 5 in. x 5 in. Weight: 31 oz, including battery Battery and performance: 6-volt rechargeable battery, 8-hour continu ous operation on full battery charge Flow indication: 0 to 10 scale Maintenance: (1) valve stems should be cleaned periodically by removing valve and blowing with air; (2) flow-tube assembly is easily removed and replaced; (3) pump and charger should be stored in container when not in use
Battery charger
Dimensions: 2Vb in. x 3 in. x 4V2 in. Weight: 12Vi oz Power source: 16-hour rate for over night charging, 64-hour rate for week end charging
Ordering information
Catalog numbers
Monitaire Sampler, Model S
459660
466118 456059 471600 464196 473102
Kit, complete with pump, charger, maintenance card, instruction manual, and carrying case Pump, Model S Battery charger Charger, 10-unit desk top model Adapter, external battery charging
Pump and valve assembly
Note: This Data Sheet contains only a general description of the Monitaire Sampler, Model S. While uses and
performance capabilities are described, under no circumstances should this device
be used until the instructions, labels, or other literature accompanying the product have been carefully read and understood and the precautions therein set forth followed. Only they contain the complete and detailed information concerning this product.
996097 996338 459662 93385 466900 457629
92944 456243
456242 456228 456226 456246
625412 449347 459743 457392
457391
39642 39643 625415
459003
Maintenance card Instruction manual Carrying case Flow-tube assembly, 0 to 10 range Battery pack, replacement Calibration check unit for sampling pumps
Dust and mist collection accessories
Holder assembly, filter disc Holder assembly, respirable dust, complete with cyclone and sampling line assemblies Holder assembly only, respirable dust Cyclone assembly only Sampling line assembly Kit, supplementary parts, including: 1 press/pry tool for 2- or 3piece aerosol filter holder (456223) 1 brush (625416) 1 tweezer (625417) 3 screens, stainless steel support (456224) Holder, aerosol filter, 2-piece; pkg of 12 Holder, aerosol filter, 3-piece; pkg of 10 Coupler, sampling line; pkg of 3 Coupler, stainless steel, for aerosol filter holder sampling with cyclone assembly Coupler, plastic, for pre weighed cassette sampling with cyclone holder assembly Balance, filter weighing Carrying case for balance Band, cellulose, jar of 60
Charcoal sampling tubes and accessories
MSA Charcoal Sampling Tubes, mercury vapor, pkg of 10
459004 459054
MSA Charcoal Sampling Tubes, organic vapor, pkg of 10 MSA Tube Holder
Impinger test accessories
93470
93495 15134
14500 14501 9530 52274 42513
456720 46984 456812
59889
14510 92947
Connector assembly for Midget Impinger flask Tubing for TDI or MDI flask
Impinger flask and nozzle, complete with cap and stoppers Nozzle, impinger, glass Flask, impinger, glass Cap, impinger nozzle Stopper, flask, with one hole All-glass flask and nozzle, less cap and stopper Nozzle, impinger, fritted glass Flask, impinger, fritted glass Bubbler, fritted glass, course, for 46984 flask Cap and stopper for nozzle or sidearm Holster, impinger flask
Adapter, impinger holder
Filter media for personal sampling pumps
625413 459733
459734
463796 463797
463784 464324 449375 465558
Filter, PVC, 5.0 micron pore size, 37 mm dia., Type FWS-B, pkg of 50 Filter, PVC, 0.5 micron pore size, 37 mm dia., Type FWS-D, pkg of 50 Filter, PVC, 0.8 micron pore
size, 37 mm dia., Type FWS-C, pkg of 50 Filter, mixed cellulose ester, 0,45 micron pore size, 37 mm dia., pkg of 50 Filter, mixed cellulose ester,
0.8 micron pore size, 37 mm dia., pkg of 50 Filter, glass fiber, 37 mm dia., Type 934 AH, pkg of 50 Filter, silver membrane, 0.8 micron pore size, 37 mm dia., pkg of 50 Disc, felt backup, pkg of 25
Clarifying liquid (for asbestos)
600 Penn Center Boulevard
Pittsburgh, Pennsylvania 15235 USA Phone (412) 273-5000 Telex 812453
Branch offices throughout the United States (Call toll-free 1-800-MSA-2222) Subsidiaries in Amsterdam Barcelona Berlin Calcutta Glasgow Harare Johannesburg Lima Malmo Mexico City Milan Ndola Paris Santiago Sio Paulo Singapore Sydney Tokyo Toronto Representatives in principal cities throughout the world
Data Sheet 08-00-01
MSA. 19E3
Printed m U S A 837 (L)
3N111508