This pen style pH meter is a hand held instrument designed for Aquriums, Aquacultures, Beverages, Fish Hatcheries, Food Processing, Winery & Nutrient , Laboratory & Hospital , Paper Industry, Swimming Pool & Spa , School & colleges, All Water Applications, etc.

Easy to use - Turn on the unit, dip, stir and read - that's it!

Specification: Measuring pH range : 0.0 - 14.0 pH Resolution : 0.1 pH Accuracy : 0.1 pH Operating Temperature : 0 - 50C (32 - 122F) Power Supply : 4 x AG13 button cell batteries (included) Size : approx. 150 x 28 x 19 mm Pre-calibrated at factory Supplied with a screw driver weight:51g color:yellow

packing content

• 100% Brand New
• 1 x pH meter
• 1 x screw driver
• 4 x AG 13 button cell batteries (included)
• 1 x instruction manual
• 1 x case
• 2 x powder in bags for calibration

Two bags of powder for calibration are included. Put the powder in Green (RED) plastic bag into 250ml distilled water and then shake the electrode slightly, the PH value of water should be 6.86 (4.00) Above PH value will be slightly different according to the temperature, please also check the table on plastic bag.

Beware: Some sellers sell cheap ph tester with ± 0.2pH, that is not as good as this one.

Happy Bidding!