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Primary Flow Calibrator, 0.01-20 LPM

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Primary Flow Calibrator, 0.01-20 LPM Calibrator Pump, Calibrator & Accessories Industrial Hygiene

TSI / 4146

Primary Flow Calibrator, 0.01-20 LPM

4146 Primary calibrator kit c/w soft-sided carrying case, battery pack, tubing, user guide and NIST-traceable calibration certificate

The TSI 4146 Flow Calibrator is portable, battery-operated unit that is lightweight, easy to use and accurate within 2% of reading. Volumetric flow rate is displayed continuously so adjustments to pump flow can be made in real-time.
Personal sampling pumps must be calibrated before and after each use and routinely checked during use. Flow calibrators are used to adjust and measure the flow rate. of air sampling instruments.
Why is the adjustment and calibration of air sampling instruments necessary? Instruments that sample air must be flow adjusted, calibrated and routinely checked to ensure the accuracy of flow rate. The frequency of flow adjustment and/or calibration depends on the use, care and handling of the air sampling instruments and the regulations they are complying with. Determining exposure to various physical, chemical, radiological and biological substances is based on the accuracy of the total volume of air sampled and the sample duration.


Provides continuous real-time volumetric flow rate readings, so pump adjustment and calibration is fast and easy
Battery powered, compact and lightweight
Field portable—use the same calibrator for adjustment, calibration and periodic flow checks
Kit comes complete and is ready to use

Technical Specifications

Flow Ranges 0.01-20 LPM
Accuracy 2%
Max Flow Rate 20 LPM
Type  Dry Gas

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