CO2 flow meter, flow rates 0.5-5 l/min
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- Free return
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flow rates 0.5 - 5.0 l/min
CO2?Flowmeter?Compliance Made Easy
- Calibrated to Accurately Deliver CO2 to Chamber.
- Easy to Connect to ANY Chamber.
- Small Profile
- Three-way Ball Value offers quick chamber fill when needed.
- Easy to Set CO2? Flowrate.
- Wall Mount Option
NEW 2013 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 10% to 30% 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:2013 Edition
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.
| Chamber Displacement Rate | ||||
| CO2?Flowmeter? Model/Range |
Chamber Volume? (in3) |
10% | 20% | 30% |
| XL900 | max | 15,156 | 7,500 | 5,040 |
| 3.0? -? 25 l/min | min | 1,838 | 925 | 612 |
| LC500 | max | 6,120 | 3,022 | 2,012 |
| 1.0? -? 10 l/min | min | 598 | 290 | 210 |
| SC100 | max | 3,060 | 1,537 | 1,001 |
| 0.5 -? 5.0 l/min | min | 315 | 150 | 96 |
Example Calculations for 20% Chamber Vol/min
Large Rat Cage
19" x 10" x 8" = 1520 in3.
1520 in3?x 0.20 = 304 in3?(flow rate wanted 304 in3/min).
304 in3/min divided by 61.024 = 4.98 l/min?? AIMS CO2?flowmeter setting.
COIC CO2?Chamber (cylinder)
Л x Radius2?x Height
3.14 x 4"2?x 7" = 352 in3.
352 in3?x 0.20 = 70 in3?(flow rate wanted 70 in3/min).
70 in3/min divided by 61.024 = 1.15 l/min CO2?flowmeter setting.
