Portable Digital Dissolved Oxygen Meter (Model No. HV-28-DO)
Specifications :
* Range : 0-19.9 ppm* Resolution : 0.1 ppm
* Sensor : Amperometric DO Probe
* Battery : 9V DC
* Accuracy : ±2% FS
* Temp. Comp. : 5 to 55ᵒC
* Display : 3½ digit LCD
* Size : 180 x 85 x 30 mm