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Alnor®Loflo®Balometer Capture Hood 6200e是测量非常低体积流量的理想方法。自信而准确地测量从10到500 cfm（17到850 m3/h）的供应或回流。

The Certifier™ Pro Flow Analyzer combines high flow and low flow measurements with pressures, oxygen concentration, and temperature. This multi-function pneumatic test instrument can measure 28 different test parameters and graph data in real-time.

In this 4-minute video, experts demonstrate how to achieve a good respirator fit quickly with quantitative methods, using the PortaCount Fit Tester.

TSI 的 P-Trak™ 超细粒子计数器 (UPC) 8525 型是检测工作场所超细粒子水平及帮助消除室内空气质量 (IAQ) 问题的理想仪器。