Click here to view or download the full PDF specification sheet with extended product descriptions.

M W 5 0 0

Affordable ORP meter with platinum electrode.
  • Factory calibration

  • Faster Processor with The New Chipset and Motherboard

  • 100% Larger & Easier To Read LED Display

  • Smaller, Ergonomic & Lighter Case Design

  • Easier & Faster To Calibrate

  • Longer Battery Life

NOTE: For The Health Water Quality Industry Negative ORP Requirement Please See The Following PDF.

Preparation and Conditioning of Probes for Negative ORP Readings


Range ± 1000mV
Resolution 1 mV
Accuracy ± 5mV
Calibration Factory
Environment 0 - 130F
Battery Type 9v Alkaline - Included