Diymore DC 0-30V 0.77-inch OLED display dual-channel voltage digital display meter three-wire two-channel voltage meter

Features: 1. Oled high-definition display screen: 128 *64 resolution for clear and intuitive measurement of numerical values.2. Simultaneous measurement of dual voltage, allowing for comparison of two voltages, suitable for embedding in various compact equipment spaces.3. Metal shell: Stainless steel shell, with built-in fixed installation ear holes for easy screw fixation and anti-interference.4. Three wire/four wire sampling, supporting software calibration, accurate and reliable voltage measurement.5. Compact size, low power consumption, suitable for battery testing, power monitoring, and diy equipment modification.6. Separation of power supply and measurement, separation of meter head power supply and measured voltage, suitable for dc circuit monitoring.Parameters: Product name: dc dual channel voltage monitoring meterDisplay: 0.77-inch oled display screenWorking voltage: dc 5-30vInterface: zh1.5-4pWorking current: ≈ 8maMeasurement voltage: 0-30vMeasurement accuracy: ±0.009Sampling rate: ≈ 250 times/sWorking current: ≈ 8maMeasurement accuracy: ±0.009Sampling rate: ≈ 250 times/sFunction: dual channel voltage acquisitionThis voltmeter can be directly used in systems of 5-24v without the need for voltage stabilization, and the positive and negative connections of the power input will not burn out.Line sequence descriptionRed line: positive pole of power supplyBlack line: negative pole of power supplyYellow and green lines: sampling positive electrode (dual voltage acquisition)Plug model: zh1.5-4p 4pin connector, easy to plug and unplugPackage include: Voltmeter *1