EXTECH® ExStik® II Dissolved Oxygen Meter

ExStik II Dissolved Oxygen Meter Goes Anywhere!

Toss it in your bag and take it with you! The ExStik II Dissolved Oxygen Meter is small enough to carry in the field. Displays dissolved oxygen in percent saturation or mg/L. Adjustable altitude and salinity compensation ensure that you get accurate results.
ExStik II Dissolved Oxygen Meter features an analog bar graph that indicates trends, data hold, auto power-off and low-battery indicator. Memory stores up to 25 data sets with DO and temperature. Unit self-calibrates when started. Waterproof construction.
Dissolved Oxygen Meter measures 6.9"H x 1.6"W x 1.4"D. Meter includes DO electrode, protective sensor cap, spare membrane cap, electrolyte, four 1.5V SR44W batteries and a 48"L neck strap.
Dissolved Oxygen Meter Kit (No. 138685) includes meter, sensor cap, seven replacement membranes with caps, two bottles of filling solution, polishing paper, 16'L cable, probe weight guard, four CR-2032 batteries, 48"L neckstrap and carrying case.
Dissolved Oxygen / pH / Conductivity Kit (No. 125066) includes Meter with electrode, electrolyte, polishing paper and carrying case. Carrying Case (No. 125071) also available.
Membrane Kit (No. 125067) includes six screw-on membrane caps, 15mL of filling solution and polishing paper. For measuring DO in deeper water, use an optional 3’L Extension Cable (No. 125069) or 16’L Extension Cable (No. 125070). Each cable includes a probe weight to ensure accurate testing. Replacement Dissolved Oxygen Electrode Module (No. 125068) also available.