This is a TSI 4040 H Mass Flow Meter for Air, O2, and N2. This unit is in great condition and guaranteed fully operational. Whether measuring gas flows in a laboratory, hospital or clinic, or manufacturing setting, TSI mass flow meters provide accurate results and support multiple data output options. The display versions come complete with accessories, making setup and operation fast and convenient.The 4040 meter is specified as two percent of flow rate reading and covers the same range as three percent (or more) of full scale devices, with better accuracy at most points. Fast four-millisecond response ensures accuracy in fluctuating flows. This fast response time is ideal for closed-loop control systems and integrated volume measurements. Low pressure drop minimizes flow circuit back pressure and its impact on the system. Fast and accurate, 4ms response time. The item "TSI 4040 H Mass Flow Meter for Air, O2, N2 GUARANTEED GOOD" is in sale since Friday, October 8, 2021. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Other Test Meters & Detectors". The seller is "silotest" and is located in Rockwall, Texas. This item can be shipped worldwide.