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TSI 4146 primary flow calibrator, 0.01 to 20 LPM flow range, 2% reading accuracy.
TSI's Model 4146 primary flow calibrator has a range of 0.01 to 20 L/min and an accuracy to 2% reading. This small, portable, battery-operated unit is lightweight and easy to use. It displays volumetric flow rate continuously so you can make real-time adjustments to pump flow.