Extech 407510 Dissolved Oxygen Meter
Click below to buy on Amazon: http://www.amazon.com/gp/product/B00023RVOI?tag=sukses2015-20
Dual display provides O2 or dissolved oxygen and temperature readings
Measures dissolved oxygen in water from 0 to 2000mgL and oxygen in air from 0 to 100
Resolution 01mgL DO 01 O2
Automatic temperature compensation
MinMaxAverage recordrecall
