Midwest Hydroganics

Economical price and an easy-to-read display!
Waterproof, dustproof housings float
Easy to use; push-button calibration with auto buffer recognition
Low-cost pocket sized meter is perfect for less demanding applications
Includes transparent electrode cover / sample cup
Push-button calibration, HOLD function, and error messages
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 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
Up to three point calibration with auto-buffer recognition for quick calibrations. Automatic temperature compensation for accurate readings under changing conditions. Hold function locks in measured value. Auto-off function preserves batteries.

Specifications
Range: 0.0 to 14.0 pH
Resolution: 0.1 pH
Accuracy: 0.1 pH
Temperature compensation: automatic
Calibration: up to three point
Buffer recognition: 4.0, 7.0, or 10.0
Display: three-digit vertical LCD
Power: four 1.5 V button cell batteries (included)
Battery life: >300 hours