laboratory Mini Digital Pen Type Ph Meter Microscope Objective Lens The robust design keeps your

The robust design keeps your test tubes stationary

Regular cleaning with appropriate lens cleaning solutions and microfiber cloths can preserve the quality of the lens

the LAB-25-S model boasts a flow rate that can efficiently handle a variety of suction requirements

allowing for easier adjustments and fine-tuning of focus

laboratory Mini Digital Pen Type Ph Meter Microscope Objective Lens The robust design keeps yourlaboratory Mini Digital Pen Type Ph Meter Digital PH Tester Meter Pocket Pen Aquarium Pool Water Digital Tester This digital pen style pH meter is an ideal instrument for aquarium, fishing industry, swimming pool, school laboratory, food & beverage etc. Very excellent, accurate and durable. Note: The new digital tester shouldn't need to be adjusted. When you turn on the tester , you may find the measured value is not accurate and unstable, it's normal