• On-screen tutorial messages
• Two point calibration
• Auto endpoint
• DO range up to 300% , temperature compensated
• Altitude compensation up to 4000 m
• Salinity compensation up to 80 g/ L
• Automatic calibration in air
• GLP features
• Low battery indicator

HI 9146 is a water-resistant, dissolved oxygen meter that measures up to 300% saturation or 45 ppm ( mg/ L) with temperature compensation and automatic calibration. It has been developed for DO and temperature measurement in water, wastewater, and applications such as fish farming.