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SMARTBOX CO2 System
  • Understanding AVMAGuidelines
  • Calculating AVMA Compliant Flow Rates
  • Auto vs Manual

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Flow meters work with in-house gas supply systems.

Flow meters measure the flow rate of the CO2 gas in liters per minute (LPM) or in cubic feet per hour (CFH). There is no formula to convert pressure to flow rate. Flow rate is the only way to be compliant with the new AVMA guidelines. Flow meters allow users to know and accurately control the gas fill rate of a cage/chamber. Most flow meters attach to a piped-in gas source (house gas). Flow meters do not directly connect to a CO2 cylinder unless coupled with a tank regulator, such as the EP-1305 Low Flow Regulator.

Our Tamper-Proof Flow Meters allow the user to simply turn an on/off valve to start the gas at the predetermined flow rate. No adjustment is required by the operator. This preset ensures AVMA compliant flow rates are being used every time. The Tamper-Proof line is factory preset for your cage size and flow rate(s). Flow rate(s) may be changed on-site only by designated facility personnel. 

Compensated vs. Non-Compensated

Euthanex proudly carriest non-compensated flow meters for use with house gas systems. Tradtional, pressure compensated flow meters require a specific incoming pressure to display accurate flow rates. Specific pressure requirements are difficult to achieve with in-house gas supplies because the pressure will vary as demands are put on and taken off the central system. Euthanex's Non-Compensated flow meters will display accurate flow rates despite daily pressure variations from the central house gas supply with an incoming pressure range from 5 - 100 PSI.

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Euthanex  >  Regulators and Flow Meters  >  Flow Meters

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Lab Animal Euthanasia

Lab Animal Euthanasia
Lab Animal Euthanasia
Lab Animal Euthanasia
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