AZ8403 Oxygen Analyzer Meter Aquarium Oxygen Density Sensor Probe Portable Dissolved Oxygen Meter Water Oxygenator

Features: High-precision handheld dissolved oxygen meter Minimum and maximum memory 20 minutes does not operate automatically shut down Specification: Model: 8403 DO: 0.0 to 199.9% Resolution: 0.1% Accuracy: 1.5% of F.S DO ppm: 0.00 ~ 19.99ppm Resolution: 0.1ppm Accuracy: 1.5% of F.S Temperature:: 0 ~ 50 Resolution: 0.1 / 0.1 Accuracy: 0.3 Salinity Compensation: 0.0 ~ 50.0 ppt Resolution; 0.1ppt Pressure Compensation: 500 ~ 1499mmHg / L66.6 ~ 199.9Kpa Resolution: 1mmHg / 0.1Kpa Data storage: 99 sets of data Instant Record: There RS232: There Infrared transmission: There 4-digit display, displaying% or PPm and temperature values Operating Environment: 0-80% RH, 0-50 Dimensions: 175x70x33mm Power Supply: 4pcs AA battery (not included) Package includes: 1 X Dissolved oxygen meter 1 X Dissolved oxygen bar Details pictures: