Early access

First in line

Meet RS Extract, the next evolution in TDS measurement. Lock in early access today, before the official pre-sale goes live.

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  1. Reserve

    Hold your place for $1.

  2. Ship first

    Reserving puts you first in the shipping queue on launch day.

  3. Decide later

    Zero obligation. Once final pricing is revealed, buying is entirely your choice.

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RS Extract Preorder

$1.00

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What it does

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Read It Hot, 4–65 °C 4-Second Read ±0.01% TDS Repeatability Extraction On Screen 500 Stored Readings Sync with CoffeeOS Get Notified