Loved the 3 different level ranges to test my meter's accuracy; Normally one level would be enough, but I had different ranges when testing my glucose readings that turned out to be related to a new drug I was starting, and the different readings confirmed the accuracy of my own readings.
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Digital multimeter RGK DM-12
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🌬️ Продвинутый внутренний монитор качества воздуха 3 в 1 с записью данных CO2/RH/Temp и звуковой сигнализацией - технология сенсора NDIR
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🔥 Advanced Testo Wireless Hot Wire Anemometer Technology
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