Milwaukee Instruments

Milwaukee MW500 ORP Monitor (DISCONTINUED)

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The Milwaukee MW500 ORP Monitor is a low cost, high quality and reliable ORP monitor. 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.



  • Includes ORP Probe & calibration Solution
  • Easily Calibratable
  • Compact
  • Powered by 9V Battery



  • Range: +/- 1000mV
  • Resolution: 1 mV
  • Accuracy: +/- 5 mV
  • Power Source: 9V Battery (included)
  • Battery Life: 300 hours
  • Test Environment: 0 to 50°C / 32 to 122°F; max RH 95%
  • Dimensions: 80 x 145 x 35 mm
More Information
Product Name Milwaukee MW500 ORP Monitor (DISCONTINUED)
SKU 205452
Out of stock message DISCONTINUED
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