Extech DO700 Portable Digital Dissolved Oxygen Meter

• Automatic salinity compensation and manual barometric pressure compensation for DO measurements
• Waterproof housing (meets IP57)
• One button pH calibration (4, 7, and 10pH)
• Choice of 3 point pH calibration for better accuracy
• One point Conductivity calibration automatically recognizes 8 calibration solutions from USA, Europe and China series
• Automatic Temperature Compensation (non-linear compensation for purified water <10S/cm to improve measuring accuracy)
• Memory stores up to 400 readings with series number, measured value and temperature
• Large blue backlit dual LCD display
• Auto power off saves battery life with disable function
• Dissolved Oxygen probe with 3 membrane caps and DO internal fill solution (30mL), pH/mV/Temperature electrode, polymer Conductivity cell, pH calbration solutions (4, 7, and 10pH), Conductivity calibration solution (1413S), 2 AA batteries, and hard carrying case

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.