DC 0-30V Mini Digital Voltmeter 0.5-inch OLED Display High Precision 2/3 Wire Voltage Meter 5Hz/10Hz Adjustable

Features:1. Compact design with an ultra-slim profile, easily fits into various compact device spaces2. 12-bit high-precision ADC sampling ensures low detection error and accurate, reliable voltage measurement3. 0.5-inch OLED display with 88×48 resolution for clear and intuitive measurement readings4. Default 5 Hz refresh rate with a short-circuit switch to 10 Hz, enabling real-time tracking of dynamic voltage changes5. Wide range of applications, suitable for embedded scenarios such as adjustable power supply voltage displayParameter:Product Name: Digital VoltmeterSupply Voltage: DC 3.5–30 VMeasurement Range: DC 0–30 VOperating Current: <20 mARefresh Rate: 5 Hz (shorting pin B switches to 10 Hz)Measurement Accuracy: Approx. 0.7% (e.g., for a 10 V input, the display error is 10 × 0.007 = 0.07 V)Display Digits: 3-digit white text (decimal point shifts automatically)Display: 0.5-inch OLED screenResolution: 88×48Applications: Industrial control equipment, adjustable power supply output voltage display, sensor supply voltage detection, vehicle battery voltage monitoring, and other embedded applicationsFunction Configuration via Short-Circuiting:Short-circuit point A: By default, displays the voltage symbol (V); short-circuiting removes the (V) symbolShort-circuit point B: Default refresh rate is 5 Hz; short-circuiting B switches to 10 HzPackage include:Voltmeter x1