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these thermometers have been industry standards for decades
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Volume: 18uL
Explore the Precision of Our Laboratory Hot Plate for Precise Heating
PVC Portable Ph Meter bath and room thermometer "value":"0PVC Portable Ph Meter PVC Portable Ph 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 Digital Tester. 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
