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VS23-Series: Continuous Duty, Constant Flow Air Samplers

Continuous Duty, Constant Flow Air Sampling Systems

The VS-Series Air Sampling Systems can be either incorporated as the primary vacuum source in air monitoring instrumentation or used in conjunction with filter holders and filter media for the collection of particulate and/or gaseous constituents. The systems are furnished complete with a shock mounted base motor/pump, carrying handle, heavy duty constant air flow control valve (MCV-260 or MCV-22), venturi flow meter, exhaust muffler, 6 foot grounded power cord, and a 3/8" female quick disconnect for easy filter holder and sample line replacement. All rotary vane motor/pumps have automatic overload cut off and are warranted for one year after purchase.

Automatic Flow Control Valve
Continuous Duty/Constant Flow
Longer Vane Life
"Lubricated for Life" Bearings
N.I.S.T. Traceable Flow Meter
Flow Ranges of 0.1 - 9.0 CFM

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Air Mover	Oilless, Rotary Vane, Vacuum Pump with 1/6, 1/4, or 3/4 HP, 115 or 230 VAC, Shock Mounted Motor.
Control Valve (MCV-260)	Mechanical, Heavy Duty, Automatic Flow Control Valve. This valve controls the air flow rate to ±5% of the operator set flow rate.
Control Valve (MCV-22)	Mechanical, Heavy Duty, Differential Type Automatic Flow Controller. Maintains operator pre-set flow rate within 5%.
Timer Option	Optional, see Elapsed Timer Options.
Filter Holders	See Filter Holders For Air Sampling, "RV-Series"
Filter Cartridges	See Analytical Cartridges
Filter Paper	See Filter Paper For Air Sampling
Air Flow Calibrator	See Air Flow Calibrators
Replacement Pumps/Kits	See Replacement Rotary Vane Vacuum Pumps & Service Kits in the "Air Sampling Accessories" section of this catalog.

Ordering Information

Model Number (Order)	Net Wt. Lbs.	Power VAC	Motor (HP)	RPM 50/60 Hz	Max. Vac.	Max LPM (open air)	Max CFM (open air)
LFRRVS-0211-CRNV-25	21 lbs.	115	1/6 HP	NA/1725	20" Hg	22 LPM	0.78 CFM
VS23-0523CV	35 lbs.	115/230	1/4	1425/1725	26" Hg	127 LPM	4.5 CFM
VS23-1023CV	55 lbs.	115/230	3/4	1425/1725	26" Hg	255 LPM	9.0 CFM

VS-Series Air Sampler Options

EET13-B

Elapsed, Electronic, Resettable Minute Timer with Mounting Bracket. 6-Digit, Minutes & Tenths of Minutes Display.

EET11-B

Elapsed, Electronic, Resettable, Hour Timer with Mounting Bracket. 6-Digit, Hours & Tenths of Hours Display.

EET11-VAC-SWTCH

115 VAC Vacuum Activated Elapsed, Resettable Electronic Timer in Hours & Tenths of Hours with Mounting Bracket & 3/8" MNPT inlet/outlet.

VS-VACUUM-GAUGE

Hard Mounted 0"-30" Hg Vacuum Gauge.

VS-ON/OFF-SWITCH