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Features:

The Arduino turbidity sensor detects water quality by measuring the level of turbidity. It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water. As the TTS increases, the liquid turbidity level increases

This Arduino turbidity sensor has both analog and digital signal output modes. You can select the mode according to the MCU as the threshold is adjustable in digital signal mode.

Turbidity sensors can be used in the measurement of water quality in rivers and streams, wastewater and effluent measurements, sediment transport research, and laboratory measurements

Need to measure water quality and other parameters but haven’t got any low-cost pH meter? Find it difficult to use with Arduino? DFRobot analog pH meter, specially designed for Arduino controllers and has a convenient and practical “Gravity” connector and a bunch of features. Instant connection to your probe your Arduino to get pH measurements at ± 0.1pH (25 ℃). For most hobbyists, this great accuracy range and its low cost make this a great tool for biorobotics and other projects! It has an LED that works as the Power Indicator, a BNC connector, and a PH2.0 sensor interface. To use it, just connect the pH sensor with the BND connector, and plug the PH2.0 interface into the analog input port of any Arduino controller. If pre-programmed, you will get the pH value easily. Comes in a compact plastic box with foams for better mobile storage.

Build your own PH meter gadget or a water monitoring station for your water tanks. This and our other water sensor devices could make for the ultimate water control device. Use it for your aquaponics or fish tanks or other materials that need measurements.

Applications:

The AFM3000 medical flow sensor is Aosong’s digital flow meter designed specifically for ventilator applications. It measures the flow rate of air, oxygen and other non-aggressive gases with superb accuracy. A special design of the mass flow sensor channel results in the very low-pressure drop through the flow body of the sensor making it extremely suitable for very demanding applications, such as medical ventilation and respiratory applications.

The AFM3000 sensor is Aosong’s digital flow meter designed specifically for ventilator applications. It measures the flow rate of air, oxygen and other non-aggressive gases with superb accuracy. A special design of the flow channel results in the very low pressure drop through the flow body of the sensor making it extremely suitable for very demanding applications, such as medical
ventilation and respiratory applications. The AFM3000 operates from a 5 Volt supply voltage and features a digital I2C interface. The measurement results are internally linearized and temperature compensated. The outstanding performance of this sensor is based on Aosong’s sensor technology, which combines a thermal sensor chip and a high-performance integrated 24-bit AD acquisition CMOS microprocessor. The flow rate of the gas is measured by a thermal sensor element which assures very fast signal processing time and bidirectional measurement with
best-in-class accuracy.

Application:

1. Medical
2. Process automation
3. Burner control
4. Fuel cell control
5. Spectroscopy
6. Environment monitoring
7. Laboratory

Features: 

1. Low-pressure drop
2. Flow range: /- 200 slm (bidirectional)
3. Accuracy 1.5% m.v. (typical)
4. Very fast update time
5. Fully calibrated & temperature compe-nsated
6. Low zero drift

Package Includes:

1 x Mass Flow Sensor Model AFM3000- 200A

AFM0200 is Micro flow sensor with high measurement accuracy, good repeatability, long-term stability and it’s fully calibrated.
AFM0200 is very small and suitable for various scenarios. This micro flow sensor has passed strict factory calibration and directly outputs the detect result.

Features

1. Compact and easy to use
2. Analog voltage output
3. Excellent long-term stability
4. Fast response time, quick recovery, and strong anti-interference ability
5. Accuracy: ±(3% Readings)
6. Repeatability: ±(3% Readings)
7. Working voltage: 12~24V DC

package include:

1 x AFM0200 Micro Flow Sensor

Sometimes you need to sense pressure in a damp or caustic environment. And sometimes you need to know the relative changes in pressure as well as the absolute pressure. For the times you need to do both (or either), the LPS33HW is the pressure sensor for you. Combining protection from water intrusion with support for high precision relative and absolute measurements, this sensor will do what you need. With drivers for Circuit Python, Arduino, and Raspberry Pi, and support for I2C or SPI (Arduino only SPI support, for now) you’ll be measuring pressure in any situation in no time.

According to ST, the LPS33HW is designed for and proven to protect electronic components from long-term exposure to harsh environments such as water mixed with chlorine, bromine, commercial washing detergent and fuels, solvents and chemicals. The sensing element is nestled safely in a ceramic package and is encased in a waterproof gel that prevents water that gets into the sensor from interfering with readings.

The LPS33HW has a 24bit pressure data and 16 bit temperature data, allowing it to deliver pressure readings with /- 0.1% hPa accuracy. It can measure from 260 to 1260 hPa and is able to withstand pressure up to 20 times its measurement range. To help you take measurements to your requirements, the LPS33HW also offers an adjustable data rate, as well as a low pass filter to remove noise from the signal. Finally, the onboard temperature compensation makes sure that your readings are always good and won’t vary as the temperature changes.

This sensor has a metal port with a lip that can be used to install an O-ring. This model we found on McMaster seems to work well. We also stock the sister-product, the LPS35HW which is not ported. 

To make life easier so you can focus on your important work, we’ve taken the sensor and put it onto a breakout PCB along with support circuitry to let you use this little wonder with 3.3V (Feather/Raspberry Pi) or 5V (Arduino/ Metro328) logic levels. Additionally since it speaks I2C you can easily connect it up with two wires (plus power and ground!).  We’ve even included Spark Fun wick compatible STEMMA QT connectors for the I2C bus so you don’t even need to solder! Just wire up to your favorite micro and you can use our Circuit Python/Python or Arduino drivers to easily interface with the LPS33ASAP.

Features:

1. support for I2C or SP
2. With drivers for Circuit Python, Arduino, Raspberry Pi
3. Easy to use
4. Color: Black
5. The LPS33HW has a 24bit pressure data and 16 bit temperature data
6. It can measure from 260 to 1260 hPa and is able to withstand pressure up to 20 times its measurement range

Packages Includes:

1 x Adafruit LPS33HW Water Resistant Pressure Sensor – STEMMA QT RoHS Compliant

You can stop worrying when you use automatic ST-70AB liquid level control switch ST-70AB control water pump switch power than normal
control switch. Is safe and free short-circuits or burn – out problems.

ST70AB is use for control water inflow or outflow, this switch is suitable for both household and industrial  use, easy to install, low electricity consumption. safe and reasonably priced.

Features:

1. Double circuits: Such a switch has two circuits of A.B. The A terminal is used for water supply and the B terminal is used for pumping water.
2. High accurate: Solid float ball is immersed in water, the center of gravity is stable, which does not float on the water surface, and it has high accuracy.
3. Easy installations: Base is equipped with 3/4 inch and 1inch two-section screw-toothed conduits directly, with L-type bracket for flat mounting.
4. CONVENIENT TO USE: Meanwhile, the double float ball water level switch has excellent performance and is easy to use.
5. Durable: The switch is sealed by the housing, completely moisture-proof, and it maintains precise performance and extends switch life.
6. Voltage: 220V
7. Material: Plastic
8. Model no: ST-70AB
9. Cable: 1.2M

Packages Includes:

1 x 70AB Float Switch Water Level Controller

This contactless capacitive  Externally attachable Liquid Level Sensor can use to detect liquid levels without dipping/touching the liquid. you just need to stick the sensor to the external body of the tank where you need the alert.

Features:

1. The miniature design allows for installation in areas where space is limited.
2. They are solid state, with no moving parts, unlike mechanical switches where debris can get jammed and cause unreliability.
3. Cost-effective.
4. A wide variety of power output is available, allowing the sensor to switch lower power equipment directly, eliminating the need for costly interfaces
5. Easy to install, saving assembly time.
6. Very robust which permits use in a wide range of fluids.
7. Housings, cabling, and connectors are made to your requirements

Package Includes:

1 x 24V Capacitive Contactless Externally Liquid Level Sensor

The  WCS1700 current sensor provides economical and precise solutions for both DC and AC current sensing in industrial, commercial, and communications systems.

The unique package provides easy implementation without breaking the original system and makes current sensing possible. Typical applications include motor control, load detection and management, over-current fault detection, and any intelligent power management system, etc.
The WCS1700 consists of a precise, low-temperature drift linear hall sensor IC with a temperature compensation circuit and diameter of 9.0mm through-hole. Users can use the system’s own electric wire to bypass it through this hole to measure passing current. This design allows system designers to monitor any current path without breaking or changing the original system layout at all. Any current flowing through this hole will generate a magnetic field that is sensed by the integrated Hall IC and converted into a proportional voltage.

Features:

1. The current detection resolution of 32mV / A
2. Output overcurrent signal indication
3. Overcurrent signal is set critical point adjustable settings Resolution 3A
4. With mounting holes for easy firmware installation
5. Sampling current converting analog signal output, which can be accessed ADC, TTL level signal output, which can be accessed microcontroller IO port control.
6. The output signal is the signal level of the analog signal.
7. Maximum detection current selectable: ± 2A / ± 5A / ± 7.5A / ± 20A / ± 30A / ± 35A / ± 60A / ± 75A / ± 100A / ± 150A / ± 200A.

Applications

1. Suitable for the current measuring.
2. Monitoring and protection of AC motor
3. Lighting equipment
4. Air compressor

Features :

1. Non-invasive current transformer
2. Suitable for lighting equipment, AC motors, air compressors, monitoring, current measurement, and protection
3. Meet UL94-V0 flame retardant properties
4. Two forms of output current, voltage (voltage output built-in the sampling resistor)
5. Non-linearity ±3%(10%-120% rated input current)
6. Output Plug 3.5mm