Milwaukee Instruments

Milwaukee MC510 ORP Controller

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$176.00 $176.00

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The Milwaukee MC510 ORP Controller monitors and controls aquarium ORP levels. Milwaukee Instruments offers the most affordable pH and ORP aquarium equipment. The attractive price and high quality has made Milwaukee an increasingly popular choice for aquarists. Milwaukee Smart meters are manufactured to be easy to use, practical and accurate. They are ideal for saltwater aquarium use and provide stable reliable results. The instruments can be calibrated using the trimmer provided on the back. 



  • Range: +/- 1000 mV (ORP)
  • Resolution: 1 mV (ORP)
  • Accuracy: +/- 5 mV (ORP)
  • ORP Set Point: 0 to 600 mV
  • ORP Alarm: active when measurement is lower than set point
  • ORP Output Power Socket: active when the measurement is lower than set point
  • ORP Electrode: MA921B/2 (included)
  • Environment: 0 to 50°C / 32 to 122°F; max RH 95%
  • Power Supply: 12 VDC power adapter (included)
  • Power Drivers: 115VAC, 2A, 60Hz or 230VAC, 1A, 50Hz
  • Dimensions: 145 x 80 x 40 mm
  • Weight: 220 g (meter only)
More Information
UPC 810666004508
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Product Questions

Does this show current ORP at all times, or is the display only to set the desired level?
Question by: Nik on Aug 27, 2022, 1:24 PM
Hey there,
Thank you for reaching out to us. This shows the current ORP.

Please let me know if you need anything further and take care!
Answer by: Matt Lucero (BRS Staff) on Sep 9, 2022, 12:13 PM