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Pocket pH Testers - pHep 1

AP77
Accurate and reliable digital readings. Exceptionally convenient for field, home, or laboratory use. One model eliminates the need for calibration, another automatically compensates for temperature differences, and another offers fast and easy automatic push-button calibration. Three of the models are sealed, waterproof units, which eliminates the possibility of students’ exceeding a maximum immersion level. Each tester comes with a pocket clip and weighs under 2.5 oz. Batteries included. Range: 0.0 to 14.0pH. Accuracy: +/-0.2pH. Operating temp: From 0 to 50°C - C(32 to 132°F). Dimensions: 6"L x 1 1/8"W x 1/2"H. Battery: (4) 1.4 watch batteries. Special Features: More precise & accurate than Champ. Waterproof.

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