Milwaukee

MILWAUKEE - MC122 pH Controller Tester

  • -€7.00
  • - €7.00
MILWAUKEE - MC122 pH Controller Tester
MILWAUKEE - MC122 pH Controller Tester
MILWAUKEE - MC122 pH Controller Tester
MILWAUKEE - MC122 pH Controller Tester
MILWAUKEE - MC122 pH Controller Tester
MILWAUKEE - MC122 pH Controller Tester

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The new Milwaukee MC1200 Aquarium pH Controller with Plug gives you the option to choose whether the electrical output is active at a pH above or below the set point . Fixing to the wall for continuous use .

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New model allowing to choose that the electrical output is active at a pH higher or lower than the setpoint (at the choice of the user)!

MC122 MILWAUKEE pH / Co2 controller. Wall mount for continuous monitoring.

- Device for controlling the pH with CO2 dosage, including the controller, the socket block to connect the solenoid valve, the mains power supply, the electrode, a small screwdriver, a pH 7 calibration solution.

- Alarm active when measured pH > or < Selection point (to be chosen)

- PH electrode: MA911B/2 included, power supply: 12V mains adapter provided.

- Device very simple to install and requires very little space.

- Our devices have a visual alarm which indicates when the setpoint threshold that you have set using the knob on the front of the device is exceeded. In addition, the controller version is equipped with a relay output when the setpoint is reached to be connected to an automaton, gas generator (aquarium), a dosing pump (industry), an audible alarm, etc.

- Connect the 12 Volt adapter to the contact socket and to the pH meter. Connect the pH electrode to the BNC connector of the pH meter.

- Always remove the cap protecting the electrode before taking measurements. If the electrode is dry, insert the end (+/- 2 cm and a half) in a rinsing solution for a few minutes in order to reactivate it.

- Make sure that the pH meter is calibrated before measuring (see calibration procedures). - Immerse the tip of the electrode (+/- 2 and a half cm) in the solution to be measured. Turn on the instrument by pushing the on/off button and wait for the pH meter to stabilize. Now it will measure continuously.
- A visual alarm will indicate when the measured value is higher than the set point. When the alarm flashes, there is current in the socket for the solenoid valve.

- The point set is selected by adjusting the central knob to the desired value.

We advise you for optimal accuracy to regularly recalibrate the pH tester, two calibration solutions (pH 4.01,7.01 or 10.01) are necessary for the recalibration of this device, you can combine the purchase of a pH tester and our solutions calibration without additional shipping costs.

Features :

  • Measuring range: 0.0 to 14.0 pH
  • Resolution: 0.1pH
  • Accuracy: + / - 0.2 pH
  • Calibration: manual in 2 points (4.01, 7.01 or 10.01)
  • Regulation range: 3.5 to 7.5 pH and 5.5 to 9.5 pH
  • Alarm: if the value is lower or higher than the adjusted value
  • BNC electrode: MA911B/2 (included)
  • Electrode cable length: 2m
  • 12v transformer included
  • 230V AC, 1A, 50Hz
  • Operating temperature: 0 to 50°C (32 to 122°F) RH 95% max
  • Controller Dimensions: 148.5 x 82.5 x 32mm
  • Weight: 180g

Contents of the consignment:

  • Milwaukee pH Dosing Controller / Regulator Tester (MC122)
  • 12V power adapter
  • BNC pH electrode MA911B/2 (2m)
  • Calibration bag Milwaukee pH 7.01 (20ml)
  • Calibration bag Milwaukee pH 4.01 (20ml)
  • Calibration screwdriver
  • Power cord and plug (male)
  • User Manual

Product Details

MC122

What they think about it
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Reviews about this product
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8.6/10


Based on 7 reviews

  • Image utilisateur Christian P.
    Published Mar 23, 2026 at 05:24 pm (Order date: Mar 13, 2026)
    5

    Everything is very well done and especially at a very advantageous price (Translated review)

  • Image utilisateur Branimir B.
    Published Dec 14, 2025 at 12:17 pm (Order date: Dec 05, 2025)
    5

    Very satisfied with the service, fast delivery to Croatia. Everything went smoothly and without any problems or unpleasant surprises. I also received a small surprise gift with the order, a sign of attention (I respect that).

  • Image utilisateur Daniel M.
    Published Mar 24, 2024 at 12:32 pm (Order date: Mar 16, 2024)
    2

    Does not work with a JBL 12v solenoid valve with transfo... Only with a 230v solenoid valve...no indication on the site and the data sheet... I find myself with unusable equipment... Bravo pros. (Translated review)

  • Image utilisateur Miguel P.
    Published Feb 01, 2024 at 09:52 pm (Order date: Jan 23, 2024)
    5

    Buen precio, envío rápido y buena calidad (Translated review)

  • Image utilisateur Xavier O.
    Published Jan 27, 2024 at 09:00 pm (Order date: Jan 20, 2024)
    5

    This controler is very accurate and simple. Very Happy! (Translated review)

  • Image utilisateur Geoffrey S.
    Published Oct 23, 2023 at 08:38 pm (Order date: Oct 17, 2023)
    4

    Perfect quality and price (Translated review)

  • Image utilisateur Renaud C.
    Published Nov 21, 2022 at 10:47 am (Order date: Nov 15, 2022)
    4

    Good little tester, accurate to 1 digit, but do we need more... I don't. Excellent value for money. (Translated review)