WATERPROOF DIGITAL pH TESTER (pH PEN)
Pocket Size & Hand-Held Type, Professional Quality

Sensor Electrode replaceable.

photo pH pen

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 Display : 13 mm large LCD display reading.
 Resolution : 0.1 pH.
 Accuracy : ¡Ó0.1 pH after calibration
 Calibration : External pH7 (Cal.) / pH4 (Span)
 Power Supply : LR44 DC1.5V x 4 battery.
 Dimension : 170 x 37 x 37 mm. 
 Weight : Approx. 80 g. (0.18 lb) including battery.
 Waterproof : IP67
 Sensor Electrode : Replaceable.
 Applications : Aquariums, Aquacultures, Beverage,
     Fish Hatcheries, Food Processing, Photography,
     Laboratory, Paper Industry, Swimming Pool,
     Plating Industry, Quality control, Water Conditioning,
     environmental protection, School & colleges.