AIMS™ CO₂ Flowmeter Wall Mount Brackets

Compliance made easy for CO₂ Euthanasia

Calibrated to accurately deliver CO₂ to ANY Chamber.

Small profile with an easy to set Flow-Rate and 3-way ball valve for quick chamber fill when needed.

Barb fitting for connecting to 5/16″ or 1/4″ ID hose. Wall-mount option.

Example Calculations for 70% Chamber Vol/min
Large Rat Cage
19” x 10” x 8” = 1520 in3.
1520 in3 x 0.70 = 1,064 in3 (flow rate wanted 1,064 in3/min).
1,064 in3/min divided by 61 = 17.4 l/min AIMS CO2 flowmeter setting.

AIMS CO2 Chamber (cylinder)
π x Radius2 x Height
3.14 x 4”2 x 7” = 352 in3.
352 in3 x 0.70 = 246 in3 (flow rate wanted 246 in3/min).
246 in3/min divided by 61 = 4.0 l/min AIMS CO2 flowmeter setting.

Tubing w/Coupler Kit
1/4″ to 1/4″ ID – 2ea
1/4″ to 5/16″ ID – 2ea
5/16″ to 5/16″ ID – 2ea
5/16″ to 3/8″ ID – 2ea

Which CO₂ Flowmeter to use? Calculate the total volume of your chamber in cubic inches (in3). Your chamber volume should fall between the min and max of the selected CO₂ flowmeter for the selected Chamber Displacement Rate (CDR).

AVMA Guidelines for CO₂ Euthanasia

General recommendations—Carbon dioxide is acceptable……using a gradual fill method is less likely to cause pain due to nociceptor activation by carbonic acid prior to onset of unconsciousness; a displacement rate from 30% to 70% of the chamber volume/min is recommended. The practice of immersion, where conscious animals are placed directly into a container prefilled with 100% CO₂, is unacceptable. From AVMA Guidelines for the Euthanasia of Animals:2020 Edition.

SC100 – Model SC100 CO2 Flowmeter CO₂ flow rates: 0.5 – 5.0 l/min

LC500 – Model LC500 CO₂ Flowmeter CO₂ flow rates: 1.0 – 10 l/min

XL900 – Model XL900 CO₂ Flowmeter CO₂ flow rates: 3.0 – 25 l/min

WMB2 – Wall Mount Brackets w/Mounting Hardware

FMT2 – Tubing, 10’ w/ Coupler Kit 5/16” ID x 9/16” OD

LPRE – Low Pressure Regulator 0 – 60 psi, w/ tank gauge

CALL for CO₂ flowmeters with higher flow rates.