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This feature is particularly useful for tasks that require depth assessment
The dual folding magnifier is an indispensable tool for anyone who requires precise magnification for reading
Pressure indicator Gauge
and navigation
- Smooth running
Portable pH Meter Portable Magnifying Glass This feature is particularly usefulPortable pH Meter Portable 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
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