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CTValley Bio > Laboratory >

pH Testers

Checker® (pH Checker)

AP72
Hanna. At the cost of a few rolls of pH litmus paper, you ...
$35.00

Phep® Pocket pH Tester (Manual 1 Or 2 Points)

AP77A(pHep®)
Hanna. ACCURACY (@20°C/68°F): +/-0.1. CALIBRATION: Manual 1 or 2 points. TEMPERATURE COMPENSATION: NA. ...
$42.00

Reference Refill Solution Kit For Ap 640

AP640B
Reference refill solution kit for AP 640. ...
$18.99

Replacement Electrode for the Checker®

AP73
Screw-in type. Fits AP 72 Checker 1 pH Testers. Has automatic temperature compensation ...
$23.00

Spare Refill pH Exstik® Electrode Module

AP640A
Refill for AP 640 ...
$54.99

Waterproof Refillable Exstik® pH Meter

AP640
EXSTIK® WATERPROOF, REFILLABLE Ph METER. Extech. The only stick-style pH meter with a ...
$119.99