Standard portable dissolved oxygen meter is equipped with a large backlit LCD display.
1 or 2 points calibration using air-saturated water and zero oxygen solution.
Manual salinity and barometric pressure compensation improve the measurement accuracy.
Automatic Temperature Compensation ensures accurate reading over the entire range.
Calibration Due Reminder prompts user to calibrate the meter regularly.
Stability indicator automatically shows current measurement status.
Auto-Hold function freezes stable measured value for easy viewing and recording.
Manual temperature calibration improves the measurement accuracy of meter.
Selectable temperature unit (°C or °F) meets different application requirements.
Help message as a operational guide that helps you quickly begin using the meter.
System menu allows setting the 9 parameters, including the number of calibration points, resolutions, stability conditions, concentration units, etc.
Reset feature automatically resumes all parameters back to factory default options.
Expanded memory stores and recalls up to 500 readings.
Built-in real-time clock stamps stored data to meet GLP standard.
Stored data can be transferred into computer by USB communication interface.
Multi-mode power scheme (battery, power adapter, computer’s USB port) ensures that use the meter smoothly.

Dissolved Oxygen Specification
Range	0.00~20.00mg/L (or ppm)
Accuracy	±0.2mg/L
Resolution	0.01mg/L
Calibration Points	1 or 2 points
Temperature Compensation	0~50°C, 32~122°F, Automatic
Pressure Correction	60.0~112.5kPa, 450~850mmHg
Salinity Correction	0~50g/L
% Saturation of Oxygen Specification
Range	0.0~200.0%
Accuracy	±2.0%
Resolution	0.1, 1%
General Specification
Hold Function	Manual or Automatic
Stability Conditions	Low or High
Calibration Due	0 to 31 days
Power Off	Manual or Automatic (10, 20, 30 minutes)
Reset Function	Yes
Memory	Stores up to 500 data sets
Output	USB Communication Interface
Connector	6-pin Mini Plug
Power Requirements	3×1.5V “AA” Batteries
Battery Life	Approximately 150 hours (Turn off the backlit)
Dimensions	170(L)×85(W)×30(H)mm
Weight	300g