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Easy to carry, simple to calibrate and use 
Sufficient for many surface dissolved oxygen measurements 

Measures dissolved oxygen to determine water quality in environmental testing. Designed for simple one-hand operation with automatic temperature compensation and calibration to air. The polarographic probe has a built in temperature sensor and easy-to-replace pop-off probe heads. Simultaneously displays dissolved oxygen and temperature readings. Also holds readings and recalls minimum and maximum. IP65 waterproof, floats if accidentally dropped in water. Comes ready to use in a soft carrying case with belt loop, two spare probe heads, electrolyte and 4 AAA batteries. EPA Equivalency Method: 360.1 

Features

• Automatic temperature compensation
• Calibration to air
• Polarographic probe has a built in temperature sensor and easy-to-replace pop-off head
• Simultaneously displays DO and temperature
• Holds readings and recall minimums and maximum
• IP67 waterproof
• Comes with soft carrying case with belt loop, two spare probe heads, electrolyte and 4 AAA batteries
• Dim: 8” x 2” x 1 1/2” / 180 x 40 x 40 mm
• Weight: 6 oz. / 175 g