Digital Dissolved Oxygen Meter 0.0-40.0 mg/L ATC Backlight LCD Display Accurate Water DO Tester for Aquariums Pools Pond

Specifications Measurement Range Dissolved oxygen 0 0 40 0 mg L 0 0 300 0 Temperature 0 1 40°C 32 1 104 0°F Accuracy Dissolved oxygen ±1 5 F S Dissolved oxygen saturation ±1 5 F S Temperature ±0 5°CResolution Dissolved oxygen 0 1 mg LOxygen concentration 0 10 Temperature 0 1°C 0 1°FCalibration Automatic one point calibration at 100 0 air calibration Response Time ≤45s at 20°CAutomatic Temperature Compensation ATC 0 40°CUse Environment Temperature 0 1 40°C RH max 90 Meter Size 183 x 37 x 37 mmPower Supply 3 x 1 5V button batteriesPower Efficiency Auto shut off after 15 minutes of inactivityFactory Reset Hold switch for 5 seconds during power upFeatures 1 Expanded Tester Range Measures dissolved oxygen up to 40 0 mg L surpassing the typical range and ideal for diverse applications 2 ATC Functionality Automatic Temperature Compensation ensures accuracy across temperature conditions between 0 50°C 3 User Friendly Design Calibrate and measure easily without removing the protective electrode cover simplifying operations 4 Clear Display Backlit LCD provides crisp readings with auto shut off and low battery alerts for optimum ease of use 5 Versatile Applications Ideal for aquariums aquaculture ponds swimming pools and research environments Package Included 1 x Digital Dissolved Oxygen Meter6 x Protective Membrane Sleeves1 x Electrode Filling Fluid