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Thread: Relationship between Amps and Instant Salinity - Aquarite

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    ned8377's Avatar
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    Relationship between Amps and Instant Salinity - Aquarite

    Does anyone know why sometimes if the instant salinity says -3300 the amps will be around 5.80 and then other times with the same instant salinity of -3300 the amps may be over 6 at say 6.08?
    True L 45,000 gal Hayward IG vinyl pool. Hayward Tristar 2.40 THP; 1.5 FRHP/1.60 SF. Hayward Model # S310T2 Sand Filter. Aqua Rite T-15. Aqua Comfort 154,000 BTU Heat Pump. TF-100

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    Propbndr's Avatar
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    Re: Relationship between Amps and Instant Salinity - Aquarite

    The instantaneous salt is measured by conductivity. It has nothing to do with the amp reading on your panel. The amp reading is how much current your cell is using to generate chlorine. If, however, your amp reading is 0 then your salt reading will also be 0 because the cell is shut down.
    Steve
    32 X 16 inground, 17260 gallons, Vinyl Liner, Triton II TR-60 filter,
    Sta-Rite 1hp pump Model #MPRA6E-147L, CircuPool SI-30 Plus SWG, TF-100 Test Kit

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    Re: Relationship between Amps and Instant Salinity - Aquarite

    The AquaRite does not measure salt by conductivity. It uses the performance of the cell. The salt is determined by a formula based on amps, volts and water temperature.

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    ned8377's Avatar
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    Re: Relationship between Amps and Instant Salinity - Aquarite

    So then amps and instant salinity are not directly related. It is a combination of amps, volts and water temperature. Maybe this thread needs to go to the deep end but I'm just interested.
    True L 45,000 gal Hayward IG vinyl pool. Hayward Tristar 2.40 THP; 1.5 FRHP/1.60 SF. Hayward Model # S310T2 Sand Filter. Aqua Rite T-15. Aqua Comfort 154,000 BTU Heat Pump. TF-100

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    Propbndr's Avatar
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    Re: Relationship between Amps and Instant Salinity - Aquarite

    Conductivity is water's (or any material's) resistance to current flow. It is calculated by the ratio of amps and voltage which then must be compensated for temperature.
    Steve
    32 X 16 inground, 17260 gallons, Vinyl Liner, Triton II TR-60 filter,
    Sta-Rite 1hp pump Model #MPRA6E-147L, CircuPool SI-30 Plus SWG, TF-100 Test Kit

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    Re: Relationship between Amps and Instant Salinity - Aquarite

    The AquaRite measures it's ability to convert chloride into chlorine at a specific water temperature. It does involve the flow of electrons, so it is a type of conductivity. However, it's not the same thing a conductivity meter uses. The Jandy and Autopilot use a separate trisensor, which does use a conductivity meter.

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    Propbndr's Avatar
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    Re: Relationship between Amps and Instant Salinity - Aquarite

    Ah, I stand corrected (or more accurately "educated" )

    That said, I wonder what the Circupool SI series use for the same calculation? Conductivity meter or the ability to convert to chlorine.
    Steve
    32 X 16 inground, 17260 gallons, Vinyl Liner, Triton II TR-60 filter,
    Sta-Rite 1hp pump Model #MPRA6E-147L, CircuPool SI-30 Plus SWG, TF-100 Test Kit

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    ned8377's Avatar
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    Re: Relationship between Amps and Instant Salinity - Aquarite

    Quote Originally Posted by JamesW View Post
    The AquaRite measures it's ability to convert chloride into chlorine at a specific water temperature. It does involve the flow of electrons, so it is a type of conductivity. However, it's not the same thing a conductivity meter uses. The Jandy and Autopilot use a separate trisensor, which does use a conductivity meter.
    Would the Jandy and Autopilot be considered better or more accurate than the Aquarite? In your opinion, does it matter, as far as accuracy goes, how the units calculate instant salinity?
    True L 45,000 gal Hayward IG vinyl pool. Hayward Tristar 2.40 THP; 1.5 FRHP/1.60 SF. Hayward Model # S310T2 Sand Filter. Aqua Rite T-15. Aqua Comfort 154,000 BTU Heat Pump. TF-100

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    JasonLion's Avatar
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    Re: Relationship between Amps and Instant Salinity - Aquarite

    Units with separate salt sensors don't have the problem of reporting incorrect salt levels when the cell plates are wearing out. The AquaRite also suffers from incomplete temperature compensation, so it's salt readings tends to be off when the water is cold, even though it does take temperature into account to some extent.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
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