This digital pen-style pH meter is an ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food, beverage, etc. This pH meter is highly efficient and accurate due to its advanced microprocessor technology. Big LCD display screen which has great waterproof performance and lets you easily read the displayed value. This digital pen-style pH meter is an ideal instrument for whatever you may need to test the pH levels. With a compact portable design.
1 x Blue pH02 Digital LCD pH Meter Pen
1 x pH 4.01 Buffer power (250ml Solution Powder)
1 x pH 6.86 Buffer power (250ml Solution Powder)