Pen Dissolved Oxygen Tester

This is a pen shape dissolved oxygen (DO) meter that measures dissolved oxygen concentration or percent saturation of water. Combining benefits of easy operation and accurate measurement, this DO Pen Tester is an ideal device for field use, where instant DO measurement is an essential requirement. Blessed with many user-friendly features this device is ideal for laboratories, school projects and field analysis of water. Other features of this DO Tester are auto power off, data freezer function, reset function and selectable temperature display either °C or °F.

Features
Suitable for laboratory & field analysis	Compact design, easy to handle
Data hold function	1 or 2 points auto-calibration
Large digital display for easy readings	Reset function for default settings
Manual salinity & barometric pressure compensation	Auto end-point freeze function
Auto power off saves battery life	Replaceable electrode

Specifications
Model	PX-131
Dissolved Oxygen	Range: 0.0 to 20.0 mg/L Accuracy: ±10%
Temperature	Range: 0.0 to 50°C Accuracy: ±5°C
Temperature Compensation	0 to 40°C
Salinity Correction	0 to 35 g/L
Barometric Pressure Correction	60 to 112.5 kPa, 450 to 850 mmHg
Power Off	Auto and manual
Data freeze	Manual and automatic end point
Power Supply	2×1.5V "AAA" batteries
Weight	100 g