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Field Rotameters

Features

  • Easy-to-read scales

  • Lightweight, rugged, and portable

  • Low cost

  • Provisions for panel mounting

  • Multiple flow ranges
320-2A05 Field Rotameter


Field Rotameter Operating Instructions (PDF)

Instrucciones de Operación Catálogo No. 320 Series (PDF)

Applications

  • Low flow and high flow air samplers

  • Gas analyzers

  • Chromatography systems

About Field Rotameters
These small and lightweight, single-ball rotameters represent a new and durable design of portable air flowmeters. SKC Field Rotameters are crafted of see-through acrylic with tapered hose connectors attached to solid brass fittings. A removable section of Tygon® tubing with a Luer taper adapter is included. A float ball is clearly visible behind decaled graduations on the rectangular face. The easy-to-read scales are ideal for performing routine verifications of air flow easily in the field with reproducible results.


Ordering Information           Online Ordering

Measuring Range (L/min)

Scale
(inch)

Full Scale
Accuracy
Cat. No.
0.05 to 0.5
2
± 5%
0.1 to 1.0
4
± 3%
0.4 to 5.0
4
± 3%
2 to 20
4
± 3%
4 to 50
4
± 3%
3 to 30
4
± 3%
3 to 30
4
± 3%
320-100
Fitting adapted for use with QuickTake Sample Pumps




Field Rotameter Spec. Sheet (PDF)

Field Rotameter Operating Instructions (PDF)

Instrucciones de Operación Catálogo No. 320 Series (PDF)


Tech Tips Logo

Red Triangle The ball-type flowmeters and rotameters built into most air sampling pumps are primarily intended to serve as flow indicators and are, therefore, of low accuracy. These flowmeters as well as rotameters must be calibrated against a primary standard such as a film flowmeter or electronic calibrator (Defender) to verify accuracy.

Red Triangle When using a rotameter at a different temperature and pressure than when it was calibrated, the following formula can be used to calibrate the new flow rate:
Calibration formula
Q2 = Equivalent flow rate in L/min or ml/min at calibration location
Q1 = Measured flow rate in L/min or ml/min
P1 = Pressure in mm Hg at sampling location
P2 = Pressure in mm Hg at calibration location
T1 = Temperature in degrees Kelvin (degrees Celsius + 273) at sampling location
T2 = Temperature in degrees Kelvin (degrees Celsius + 273) at calibration location


This page was last modified October 26, 2011
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This site was last modified May 21, 2012
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