1.superior performance 2. Automatic temperature compensation 3.easy to operate 4.digital 5.Immediate response Characteristics         3/1/2LCD with blue-light         Automatic temperature compensation         Immediate response         Easy to carry         D.C. power supply: one piece of 9V battery         The electrode system is composed of polarographic oxygen electrode and temperature electrodeSpecifications1. Measurement range  Dissolved oxygen: 0-20 mg/LTemperature: 0-40°C2. AccuracyDissolved oxygen: ±0.3 mg/L±1bit (under the basic temperature)                                   ±0.5 mg/L±1bit(differ: ±10°C from the basic temperature)Temperature         ±1°C±1bit3. Response time    ≤30s (90% response at 20.0°C).4. .Stability of the meter      not over ±0.2mg/L ±1bit within one hour5.. Remaining current      ≤0.15mg/L6. The range of automatic temp erature compensation         0-40°C  

JPBJ-607 Portable Dissolved oxygen analyzer