VTSYIQI Portable Dissolved Oxygen Meter Gauge Dissolved Oxygen Tester With Accuracy ±0.5 mg/L Expanded memory stores USB For measure conventional water wastewater salt water and other liquids

Features:
• Economical portable dissolved oxygen meter is equipped with a backlit LCD display.
• 1 or 2 points calibration using the air-saturated water or zero oxygen solution.
• Salinity and barometric pressure compensations eliminate the measurement errors.
• Automatic temperature compensation ensures accurate readings over the entire range.
• Auto-read function senses and locks the measurement endpoint.

• Auto-power off effectively conserves battery life.
• Setup menu allows setting the number of calibration points, temperature unit, etc.
• Reset function automatically resumes all settings back to the factory defaults.
• Expanded memory stores or recalls up to 100 data sets.
• USB communication interface for data transfer or connecting a power adapter to the meter.

Specifications：

Dissolved Oxygen
Range：0.00 to 20.00 mg/L
Resolution：0.01 mg/L
Accuracy：±0.5 mg/L

% Saturation of Oxygen
Range：0.0 to 200.0%
Resolution：0.1%
Accuracy：±2.0%

Other Specifications
Calibration：1 or 2 points
Temperature Compensation：0 to 50°C / 32 to 122°F, automatic
Pressure Correction：60.0 to 113.3 kPa / 450 to 850 mmHg, manual
Salinity Correction：0.0 to 50.0 ppt, manual
Temperature Correction：Reading ±10°C/°F
Hold Function：Manual / Auto-read measurement endpoint
Auto-Power Off：30 minutes after last key pressed
Memory：Stores up to 100 data sets
Output：USB communication interface
Connector：6-pin mini-DIN
Display：Custom LCD (80 × 60 mm)
Power Supply：3 × 1.5V AA batteries or 5V DC power adapter
Battery Life：Approximately 150 hours without backlight
Environmental Conditions：0 to 50°C / 32 to 122°F, relative humidity < 80%
Dimensions：170 × 85 × 30 mm
Weight：300 g