DO300 Meters

These instruments are perfect for conditions that ruin ordinary meters! The DO300 meters are completely waterproof. Independent 100% and zero adjustment calibrations and offset adjustment capabilities ensure high accuracy. These meters even display electrode diagnostics to help determine when the probe needs replacing. Other features include Hold function; Auto-off; and Ready indicator.

  • Waterproof and Dustproof with IP67 rating, and they float
  • No meter warm-up required, so you can take DO measurements right away
  • Memory stores and recalls up to 50 readings plus temperature; real-time clock stamps stored data and calibration data with date and time
  • Key in salinity and pressure manually; meter automatically calculates offset values
  • Automatic Temperature Compensation (ATC)
  • Dual display shows mg/L or % saturation plus temperature (°C/°F)

Download DO300 Product Sheet (.pdf;44 KB)
Download DO300 Manual (.pdf; 352 KB)