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Thread: BRS 2 Part Doser Configuration for NoPox

  1. #1
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    BRS 2 Part Doser Configuration for NoPox

    I need a little help with adding a BRS peristaltic dosing pump to my Apex controller.


    I would like to do the following:

    a) Turn the BRS dosing pump on at 9 a.m.
    -- my dosing pump has a flow rate of 2 ML per minute

    b) Have it run for 3 minutes, so it adds 6 ML of NoPox

    c) Turn off after 3 minutes

    d) Repeat daily.


    Does anyone have a similar automation? I would really appreciate if you could share your Apex output configuration settings.

    Thank you in advance.

  2. #2
    Frequent Contributor SuncrestReef's Avatar
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    This would probably be the easiest way to do it:

    Set OFF
    If Time 09:00 to 09:03 Then ON

    (I can't remember if the ending time includes that minute or not, so you should see if this runs for 3 minutes or 4 minutes, and adjust the end time to 09:02 if necessary)

  3. #3
    Frequent Contributor zombie's Avatar
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    Time statement and defers if needed are the best way to do one time single doses.

    Yo uh need more than 3 minutes though. BRS pumps are 1.1ml per minute not 2, so you need 5 min, 30 seconds to get 6 ml.

    Sent from my SM-G965U using Tapatalk

  4. #4
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    Quote Originally Posted by zombie View Post
    Time statement and defers if needed are the best way to do one time single doses.

    Yo uh need more than 3 minutes though. BRS pumps are 1.1ml per minute not 2, so you need 5 min, 30 seconds to get 6 ml.

    Sent from my SM-G965U using Tapatalk
    When I first purchased the BRS pump, I tested the flow rate over a 10 minute period. I ran five tests and got precisely 20ML each time. I contacted BRS support; they said that the 2 part doser pump rarely has a flow of exactly 1.1 ML per minute. If I wanted to return for another, I could. I decided to keep it as 2 ML worked for my requirements.

  5. #5
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    Quote Originally Posted by SuncrestReef View Post
    This would probably be the easiest way to do it:

    Set OFF
    If Time 09:00 to 09:03 Then ON

    (I can't remember if the ending time includes that minute or not, so you should see if this runs for 3 minutes or 4 minutes, and adjust the end time to 09:02 if necessary)
    Thanks SuncrestReef, the following configuration delivered 6ML:

    Fallback OFF
    Set OFF
    If Time 09:00 to 09:02 Then ON

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