Sensors

Good tensiometer soil moisture sensor for irrigation, operates on a 10-24V DC power supply and supports various measuring depths of 15cm, 30cm, 45cm, 60cm, 75cm, 90cm, 105cm, and 120cm. The output signal is 4~20mA or RS485 (ModBus protocol), and it has a power consumption of 0.8W when supplied with DC24V. The soil humidity sensor has a temperature resistance range of 0~+80°C for its transmitter component and a measurement range from -100kPa to 0, with an accuracy of ±0.5kPa at 25°C. The soil sensor provides a resolution of 0.1kPa and is constructed with a transparent PVC plastic tube.

ATO thermal dispersion water flow switch has 6 LED lights to indicate the flow rate, which is very intuitive. The 4 optional output signals are PNP/ NPN/ Relay/ 4-20mA. The length of the sensor can be selected from 15mm, 20mm, 30mm, 40mm, 60mm, or can be customized as required.

S type thermocouple assembles with protection head and corundum thermowell, should use wooden case for packing. Its thermo wire diameter is Ф0.5mm. S type thermocouple has high accuracy and good stability, can directly measure the temperature of liquid, vapor, gas medium and solid surface in the range of 0~1200 ℃ in various production processes.

Signal isolator ATO-SIGNI-503H series is a special thermocouple/RTD signal conditioner. The input signal can be thermocouple K/B/S/E type and RTD Pt100, and the output signal can be current 4-20mA/0-20mA and voltage 0-5V/1-5V/0-10V. Signal isolator has pluggable terminals, 13mm thickness, minimum resolution 0.1℃ and DIN rail installation mounting groove.

Low price U-shaped photoelectric sensor for sale online. Reliable slot-type photoelectric sensor with NPN NO or NPN NC output, 12-24V DC power supply, measuring distance up to 500mm, which can detect 1.2x2.0mm opaque objects.

Cost-effective ultrasonic wave sensor for sale online. Industrial and medicinal use of ultrasonic sensor is a common way. Ultrasonic sensor distance range is 200-2000mm, working temperature between -20 ℃ to 60 ℃, storage temperature of long range ultrasonic sensor between -25 ℃ to 70 ℃. It applies in industry, biology and medical treatment.

UV sensor for solar radiation operates with a 10V to 30V DC power supply and uses the 485 ModBus-RTU protocol. The radiation sensor consumes 0.2W of power and functions within a temperature range of -40°C to 80°C, with humidity tolerance of up to 95% RH. The ultraviolet sensor has a spectral range of 0.3 to 3μm and measures solar radiation from 0 to 2000W/m². It provides accurate readings with a sensitivity of 7 to 14 μV·W⁻¹·m⁻², a response time of ≤30 seconds, and accuracy within ±3%. It is suitable for outdoor environments with minimal zero drift and stable long-term performance.

The wireless digital rain sensor is paired with new temperature and humidity sensors for accurate measurements on frosty mornings and in the summer sun. The easy-to-use display console includes a customizable history chart that allows users to view recent rainfall, temperature or humidity information at the touch of a button, while ATO's new sensor search feature resets the connection to all external sensors without having to step outside. Users can also set up a variety of customized alerts to be the first to be notified when rainfall begins!

Magnetostrictive linear displacement sensor for blow molding machine, high precision, no temperature drift, anti-jamming performance, long life, high temperature resistance, corrosion resistance, high pressure resistant.

Aluminum alloy rail type magnetostrictive displacement transducer for measuring linear displacement, external installation, compact structure, easy to use, good security, suitable for packing machine and other CNC machinery worked in large vibration.

Magnetostrictive sensor for brick molding machine, high precision, no temperature drift, anti-jamming performance, long life, high temperature resistance, corrosion resistance, high pressure resistant.

Good water quality sensor for sale. The ammonium nitrogen sensor for water quality uses an ion-selective electrode method, available in three measurement ranges 0~10 mg/L, 0~100 mg/L, 0~1000 mg/L. It features automatic temperature compensation (Pt1000), two-point calibration, and supports RS485/4-20 mA outputs. Ideal for wastewater treatment, aquaculture, and environmental monitoring.

Carbon dioxide sensor online for sale at reasonable price. NDIR CO2 sensor has wide measuring range from 0 to 2000 ppm, working voltage 3.6~5.0V DC, fast response time less than 120 seconds. Infrared co2 sensor is widely used for industrial field instrumentation, industrial-process control and safety protection.

Color sensor can be used with the instrument of automatic control system to detect the color, color patches and lines, and objects existence, can realize automatic positioning, color identification, correction, register, counting and other functions, with high sensitivity, fast response, strong anti-background light interference, compact structure, easy to use and low price.

DC current sensor has best cost performance, fast response, high accuracy, good stability, small size, light weight, DIN rail installation, widely used for DC current measurement of various occasions.

Magnetic water flow switch for sale at low price, G1/4 thread, 50W, flow rate 15, 30, 50 L/min available. This water flow sensor consists of magnetic core, external case and reed switch, which is used in different water systems.

Wifi garden soil moisture sensor for sale, wifi or bluetooth communication, measures a comprehensive humidity range from 0% to 100%, with clear indicators at 20%, 40%, 60%, 80%, and 100% to suit diverse watering needs. The temperature measurement range from -10°C to 60°C (14°F to 140°F), allowing for accurate monitoring in different climates and weather conditions. Built with an IP65-rated waterproof and dustproof design, the humidity sensor is resilient and suitable for outdoor environments.

There are two types of roller plunger limit switch, the roller direction of the one is parallel to the mounting surface, and the other is perpendicular to the mounting surface. Roller plunger has automatic reset function. It is also high temperature limit switch with the fully enclosed 1NO + 1NC contact switches casting from high temperature resistant material. It can be used in the environment temperature 350℃ (622℉) and without being damaged by oxidation or pollution. The default rated current and voltage is 5A/220VAC. Other values are customizable, such as 3A/480VAC, 0.8A/120VDC, etc.

High temperature pressure transducer with classic 2088 type head can be used in humid or harsh environment for a long time. Pressure transducer has optional measuring range -0.1~60MPa/ -1~600bar/ -14~8702psi, medium temperature -20~+300℃ (-4~+572℉), special for air/water/oil pressure measurement. The internal ASICs convert the mV signal into a standard current (4-20mA/0-20mA), voltage (0-5V/1-5V/0-10V) or RS485 signal.

1 axis or 2 axis inclinometer sensor is an industrial angle tilt sensor, used for measurement with range ±3°, ±10°, ±15° or ±30°. High accuracy sensor, full-temperature compensation, maximum absolute accuracy 0.002°, zero temperature coefficient ±0.0002°/℃. Output signal RS232/RS485/RS422/TTL for selection.