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co2 monitor calibration?
- Thread starter icdog
- Start date
i asked these questions before only to get minimal responses (ie:none)
I've already been through this stuff so ill toss in my 2 cents
i think if something needs to be calibrated it should be calibrated often and especially once initially before use. whether it be a scale,ph pen or a ppm meter
you basically take the meter outside and let it calibrate itself for about 30-45 minutes, then you bring it in and plug into the cap controller. simple as that.
then you set the desired level you want the co2 to hit in the room.
then you gotta play w/ your frequency and duration to dial it all in.
the whole thing took me about 2 weeks of peeking into my room and just checking the levels to see what the best settings were. If you have more than one fan that exhausts air in the room (like a/c hoods) then your gonna need to get an extension w/ extra outlets as the co2-2 only comes w/ one exhaust fan outlet.
it really isnt that hard though you just need to constntly monitor the room for a week or two to get your most efficient use out of it, if not you could be wasting your co2, BTW i use the co2-2 w the ppm1c ppm monitor nice lil setup,HTH
I've already been through this stuff so ill toss in my 2 cents
i think if something needs to be calibrated it should be calibrated often and especially once initially before use. whether it be a scale,ph pen or a ppm meter
you basically take the meter outside and let it calibrate itself for about 30-45 minutes, then you bring it in and plug into the cap controller. simple as that.
then you set the desired level you want the co2 to hit in the room.
then you gotta play w/ your frequency and duration to dial it all in.
the whole thing took me about 2 weeks of peeking into my room and just checking the levels to see what the best settings were. If you have more than one fan that exhausts air in the room (like a/c hoods) then your gonna need to get an extension w/ extra outlets as the co2-2 only comes w/ one exhaust fan outlet.
it really isnt that hard though you just need to constntly monitor the room for a week or two to get your most efficient use out of it, if not you could be wasting your co2, BTW i use the co2-2 w the ppm1c ppm monitor nice lil setup,HTH
yeah, basically the manual says to check the rooms ppm's just to see what the regular room air would hold before co2 supplementation, just to see if the thing needs to be calibrated
if the ppms are too high for indoors for some reason (like over 450ppms) then it suggests you calibrate it outside, to do that you just plug it in outside somewhere and set it up for calibration ( a few buttons toggled on the ppm1-c) and let it sit for 30-45 minutes until it dials in the proper ppms and then you bring it inside and just set it and let it toggle your fans on/off until the desired setpoint is reached. thats really the hardest part is monitoring it for the first few days to dial it all in, it also helps to have a couple thermometers setup around the room to let you compare what the co2-2 reads as opposed to what your other thermometers read...
if the ppms are too high for indoors for some reason (like over 450ppms) then it suggests you calibrate it outside, to do that you just plug it in outside somewhere and set it up for calibration ( a few buttons toggled on the ppm1-c) and let it sit for 30-45 minutes until it dials in the proper ppms and then you bring it inside and just set it and let it toggle your fans on/off until the desired setpoint is reached. thats really the hardest part is monitoring it for the first few days to dial it all in, it also helps to have a couple thermometers setup around the room to let you compare what the co2-2 reads as opposed to what your other thermometers read...
and yeah they self calibrate, it doesnt need anything else becuase its using the co2 in the air to calibrate itself not some solution or whatnot
and its really not hard to calibrate ph pens and stuff anyways, just gotta give it a try and have some patience, if you cant/wont dial a ph pen then it might not be any easier to regulate your co2 as i personally think neither is that hard but the co2 thing is definitely a lil more involved, hth
and its really not hard to calibrate ph pens and stuff anyways, just gotta give it a try and have some patience, if you cant/wont dial a ph pen then it might not be any easier to regulate your co2 as i personally think neither is that hard but the co2 thing is definitely a lil more involved, hth
P
Pandemic
My PPM3 drifted up and I had to recalibrate it.
CALIBRATION
The PPM-3 is factory calibrated. The sensor onboard the PPM-3 is capable of remaining in calibration for a minimum of
three years. Extreme shock during shipping and other factors may affect the calibration. By bringing the unit outdoors, you can do a quick check of the calibration. The reading outdoors should be between 250-550 PPM. If the display does not read 250-550 PPM, a simple calibration can be performed.
· The PPM-3 is not just a CO2 monitoring device, it is a CO2 PPM controller.
· Controls the Carbon Dioxide level in your area with Part Per Million accuracy.
· Simple to use and easy to understand.
· Least expensive CO2 / PPM controller available.
· On-board user selectable set point from 0-5000 PPM.
· On-board calibration program allows the user to easily verify the unit is working properly.
· Controls any 120vac valve or CO2 generator with a simple “piggy-back” cord.
To check for correct calibration:
1) Bring the unit outside so that it will receive fresh air. Do not locate the unit in direct sunlight.
2) Plug the power supply and power cord into 120vac.
3) Move away from the controller to allow the reading to stabilize for approximately 20 minutes.
4) Check the CO2 level.
*Important: Do not breathe while checking the calibration the unit. As you exhale, large concentrations of
CO2 are expelled from your lungs. This higher level of CO2 will affect the calibration of the unit.
5) If the level is between (250-550PM) the unit is performing fine. If it is outside that range, the unit can be re-calibrated.
To re-calibrate the unit:
1) Bring the unit outside so that it will receive fresh air. Re-connect the power supply.
2) Move away from the controller to allow the reading to stabilize for approximately 20 minutes.
3) Check the CO2 level. It should read around 350-450. If not, proceed with the calibration
*Important: Do not breathe near the PPM-3 while checking the calibration the unit. As you exhale, large concentrations
of CO2 are expelled from your lungs. This higher level of CO2 will affect the calibration of the unit.
4) Press and hold the (clear) and (enter) buttons for 5 seconds.
5) (CAL AIR is displayed) * If CAL NITROGEN is displayed, press MODE one time to bring up CAL AIR.
6) Press (enter) to enter the calibration mode. (AIR-CAL and the current calibration point is displayed)
7) Use the arrow UP / DOWN buttons to enter the new point to be calibrated to. *Normally 400-430 PPM
8) Press (enter) to start the self-calibrating process. The green LED will flash as long as it is self-calibrating.
9) Move away from the unit. After approximately 5 minutes the green LED will stop flashing and the display will return to the normal run mode.
Link to the PDF: http://www.randmsupply.com/images/link/PPM-3Instructions.pdf
CALIBRATION
The PPM-3 is factory calibrated. The sensor onboard the PPM-3 is capable of remaining in calibration for a minimum of
three years. Extreme shock during shipping and other factors may affect the calibration. By bringing the unit outdoors, you can do a quick check of the calibration. The reading outdoors should be between 250-550 PPM. If the display does not read 250-550 PPM, a simple calibration can be performed.
· The PPM-3 is not just a CO2 monitoring device, it is a CO2 PPM controller.
· Controls the Carbon Dioxide level in your area with Part Per Million accuracy.
· Simple to use and easy to understand.
· Least expensive CO2 / PPM controller available.
· On-board user selectable set point from 0-5000 PPM.
· On-board calibration program allows the user to easily verify the unit is working properly.
· Controls any 120vac valve or CO2 generator with a simple “piggy-back” cord.
To check for correct calibration:
1) Bring the unit outside so that it will receive fresh air. Do not locate the unit in direct sunlight.
2) Plug the power supply and power cord into 120vac.
3) Move away from the controller to allow the reading to stabilize for approximately 20 minutes.
4) Check the CO2 level.
*Important: Do not breathe while checking the calibration the unit. As you exhale, large concentrations of
CO2 are expelled from your lungs. This higher level of CO2 will affect the calibration of the unit.
5) If the level is between (250-550PM) the unit is performing fine. If it is outside that range, the unit can be re-calibrated.
To re-calibrate the unit:
1) Bring the unit outside so that it will receive fresh air. Re-connect the power supply.
2) Move away from the controller to allow the reading to stabilize for approximately 20 minutes.
3) Check the CO2 level. It should read around 350-450. If not, proceed with the calibration
*Important: Do not breathe near the PPM-3 while checking the calibration the unit. As you exhale, large concentrations
of CO2 are expelled from your lungs. This higher level of CO2 will affect the calibration of the unit.
4) Press and hold the (clear) and (enter) buttons for 5 seconds.
5) (CAL AIR is displayed) * If CAL NITROGEN is displayed, press MODE one time to bring up CAL AIR.
6) Press (enter) to enter the calibration mode. (AIR-CAL and the current calibration point is displayed)
7) Use the arrow UP / DOWN buttons to enter the new point to be calibrated to. *Normally 400-430 PPM
8) Press (enter) to start the self-calibrating process. The green LED will flash as long as it is self-calibrating.
9) Move away from the unit. After approximately 5 minutes the green LED will stop flashing and the display will return to the normal run mode.
Link to the PDF: http://www.randmsupply.com/images/link/PPM-3Instructions.pdf
Last edited:
Y
yamaha_1fan
outside air is usually 350 PPM. calibration should be done outside away from any streets, driveways or where there would be any pollution according to the makes of Sentinel
Barn Growin'
Member
You can also use nitrogen to get a 0 ppm calibration.
