Use to monitor oxygen levels in catfish and shrimp farming; game stocking ponds; ornamental fish tanks and ponds; and in other fish farming applications.Ideal for checks the quality of plant water intake and discharge, wastewater and water treatment, recirculating systems and industrial process systems. Use to test water quality, monitor health of aquatic ecosystems, survey surface and ground water drinking supplies, and meet EPA regulations. Ideal for quick, accurate DO readings in laboratories and schools.

• DO measure range: 0 - 20.00 mg/l or ppm
• Resolution and accuracy: 0.01 mg/l, 0.1 ppm and ±1.5% full scale
• % saturation of oxygen:  0.0 - 199.9 %
• Resolution and accuracy: 0.1% and ±1.5% full scale
• Temperature measure range: 0.0 - 50.0 °C
• Resolution and accuracy: 0.1 °C and ± 0.5 °C
• Salinity correction: 0.0 - 50.0 ppt
• Barometric pressure correction: 500 - 1499 mm Hg or 66.6 - 199.9 kPa
• Method: manual input for automatic correction
• Calibration points: up to 2 points; 100% in air and/ or 0% in known solution
• Memory: 100 data sets
• Averaging/Stability
• Self-diagnostic
• Hold & Auto-Power Off after 20 minutes
• Power: 4 x 1.5V batteries; > 700 hrs or 9VDC power adapter
• Warranty: 36 months