SWEVY specializes in manufacturing high-precision electronic measurement instruments, including sound level meters, moisture meters, and refractometers.
WAHI, a brand manufactured by Guangzhou Suwei Electronic Technology Co., Ltd, is dedicated to developing high-quality electronic measurement and testing instruments.
Their extensive product line includes digital sound level meters, wood moisture meters, digital refractometers, megohmmeters, conductivity testers, and flexible current clamps. Designed for precision and ease of use, SWEVY's reliable tools are widely utilized across industrial, laboratory, medical, environmental protection, and scientific research fields.
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Refer to the user manual for your specific model. Generally, you need to clean the probe with distilled water, immerse it in a known calibration solution, and press the calibration key until the reading stabilizes.
SWEVY generally provides a one-year non-man-made damage warranty service for customers from the date of purchasing the instrument.
In the power-on state, long-press the TYPE or UNIT button to switch the display unit of the ambient temperature between Celsius (°C) and Fahrenheit (°F).
If you see a low voltage message, replace the AAA batteries or recharge the built-in lithium battery using a 5V charger or computer USB port, depending on your model.