Type : Voltage Regulator
Origin : China
Condition : New
TDS Sensor Module Dissolved Solids Analog Signal Soluble Solid Water Quality Detection DS18B20 Temperature for Arduino 51/STM32 3.3V 5V Product introduction:TDS (Total Dissolved Solids), Chinese name Total Dissolved Solids, also known as Total Dissolved Solids, indicates how many milligrams of dissolved solids are dissolved in 1 liter of water. Generally speaking, the higher the TDS value, the more dissolved substances contained in the water and the less clean the water. Although TDS cannot effectively reflect water quality under certain circumstances, as a parameter that can be quickly detected, TDS can still be used as an effective water quality reflection parameter as a reference.The commonly used TDS testing equipment is a TDS pen. Although it is cheap and easy to use, it cannot transmit data to the control system for long-term online monitoring and water quality analysis. Using a special instrument, although it can transmit data and has high accuracy, it is very expensive. To this end, we specially introduced this TDS sensor module. The module is plug and play, easy to use. The excitation source for measurement uses AC signals, which can effectively prevent probe polarization, extend the life of the probe, and increase the stability of the output signal. The TDS probe is a waterproof probe that can be immersed in water for long-term measurement. This product can be applied to water quality testing in domestic water, hydroponics and other fields. With this sensor, you can easily DIY-set the TDS detector, easily detect the cleanliness of the water, and check your water quality. Product parameters:Output signal range: 0~2.3VPower supply voltage: 3.3~ 5.0VTDS measurement range: 0~1000ppmWorking current: 3~6mATDS measurement accuracy: ±5%F.S. (25C)Module size: 42mmX 31.2mmTDS probe interface: 2Pin XH-2.54Temperature sensor interface: 3Pin XH-2.54Signal output: 0-2.3V analog signal output, compatible with 5V and 3.3V control systemsExcitation source is AC signal, effectively preventing probe polarizationWaterproof: Waterproof probe can be immersed in water for long-term measurementTDS probe parameters: TDS probe is suitable for 2 points of PE pipe Pin description:The module is connected to the TDS probe through the 2PinXH-2.54 connector, and the DS18B20 temperature sensor interface is extended to facilitate software temperature compensation design.VCC: supply voltage+GND: supply voltage-T1: Temperature sensor DS18B20 signal output port (temperature compensation can be performed through software)AO: Analog signal output (output voltage range 0-2.3V)+:Temperature sensor power supply+T: Temperature sensor signal line-: Temperature sensor power supply-1: TDS probe lead 12: TDS probe lead 2
The line layout is compact and regular, with good electrical insulation and mechanical stability, and can maintain stable performance under different temperature and humidity environments to ensure accuracy and reliability.
In circuit design, carefully planned lines are like precision transportation networks, and lines of different widths and spacings undertake different currents and signals transmission tasks respectively. The key signal lines are impedance matching processing, which greatly reduces signal reflection and attenuation and ensures the stable transmission of high-frequency signals.
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