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E-mail
banteinstrument@hotmail.com
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021-5424-8715
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Room 1606, No. 2, Lane 777, Zhongshan South 2nd Road, Shanghai
Shanghai Bante Instrument Co., Ltd
Prevention and treatment of short circuit caused by internal water accumulation after cleaning waterproof pH meter
Date: 2025-12-19Read: 24
Waterproof pH meterAlthough it has an IP67/IP68 protection level and can withstand spray or short-term immersion, if moisture seeps into and remains inside the interface or button gaps after cleaning, it may still cause circuit short circuits or corrosion, especially in scenarios where high-pressure water guns are frequently used for flushing.
Preventive measures include:
Cleaning method specification: Avoid flushing directly at the interface or the edge of the display screen. It is recommended to wipe with a soft cloth dipped in water; If flushing is necessary, the water flow angle should be<30 ° and the pressure should be<0.2 MPa.
Tilted drainage design: High quality products are equipped with micro porous drainage channels at the bottom, which can naturally drain accumulated water after being inverted for 10 minutes after cleaning.
Interface sealing enhancement: The USB/charging port adopts a dual seal of magnetic suction or flip cover+silicone plug, effectively blocking moisture intrusion.
Internal three proof treatment: The circuit board is coated with acrylic or polyurethane three proof paint, which prevents short circuits even with a small amount of water ingress.
If water ingress has occurred, the emergency response steps are as follows:
Immediately shut down and remove the battery (if any);
Use absorbent paper to dry the outside, and place the device in a drying oven (40-50 ℃) to bake for 4-6 hours;
Do not use a hair dryer to blow hot air directly, in order to avoid accelerating the penetration of moisture into the interior;
Before powering on, use a multimeter to check the insulation resistance of the motherboard, confirm that there is no short circuit, and then try the machine again.
In the long run, choosing models that support quick disassembly of the back cover for internal drying, or devices equipped with "water inlet indicator labels", can significantly improve maintenance efficiency. Waterproof ≠ moisture-proof, correct use and timely drying are the guaranteesWaterproof pH meterThe key to long-term reliable operation.