OAKTON's new EcoTestr is economical and easy to use. With its crystal clear, ergonomically designed display, you can easily view measurements at a glance. Each rugged tester has a waterproof and dustproof housing for use in dirty and damp field conditions. Simply dip and read—the orientation of the display means there's no need to turn your head or tilt the tester. Single-junction electrode is well-suited for general purpose applications. Recessed bulb with bulb guard protects against breakage. One point calibration with auto-buffer recognition for quick calibrations. Hold function locks in measured value. Auto-off function preserves batteries.

• Ideal for student, hydroponics, and hobbyist use!
• Economical, pocket sized meter is perfect for less demanding applications 
• Waterproof, dustproof housings float
• Easy to use; push-button calibration with auto buffer recognition 
• Includes transparent electrode cover/sample cup
• Push-button calibration, HOLD function, and error messages

Specifications
Range: 0.0 to 14.0 pH
Resolution: 0.1 pH
Accuracy: 0.1 pH
Temperature compensation: none, bring samples and standards to
room temperature
Calibration: one point
Buffer recognition: 4.0, 7.0, or 10.0
Display: three-digit vertical LCD
Power: four 1.5V button cell batteries (included)
Battery life: >300 hours