Sensors

Low cost ceiling light sensor operates on a 10-30VDC power supply and uses RS485 communication with the ModBus-RTU protocol. The light sensor measures light intensity within a range of 0-65535 Lux and 0-200,000 Lux, with long-term stability of ≤5% per year. The sensor has a fast response time of 0.1 seconds, making it ideal for precise and efficient light control.

The COD sensor uses a dual-wavelength ultraviolet absorption method with a range of 0~500 mg/L (COD) and 0~200 NTU (turbidity) and a resolution of 0.1. It offers high accuracy ±5%, a fast response time (<10s). The water quality sensor has two-point calibration, automatic cleaning with a scraper. With RS485 outputs, built with 316L stainless steel, suitable for wastewater treatment, drinking water testing, industrial water treatment, environmental monitoring, etc.

Buy a good price contacting conductivity sensor/probe for water. A contacting conductivity sensor/probe can detect the conductivity of aqueous solution, NPT 1/2 or NPT 3/4 thread installation is optional. The measurement range is 0~2000μs/cm, the temperature range is 0℃~60℃, built-in temperature probe, temperature compensation can be performed, suitable for power plants, water treatment industry, etc.

Digital rotary torque sensor with LCD display has the capacity range from 0.1 Nm/0.3 Nm/1 Nm/5 Nm/10 Nm/300 Nm/1000 Nm to 10000 Nm. LCD display can show torque, speed and power value at the same time. Dynamic torque sensor adopts two NSK shafts to ensure starting torque as low as 0.00001 Nm. Rotary torque transducer with 7 pin waterproof circular connector and 3m cable can measure both forward and reverse torque, and then output ±5V/0-10V/4-20mA/RS485 torque signal to PLC.

Hot sale explosion-proof pressure transmitter is widely used in water pressure, air pressure, oil pressure, hydraulic pressure, etc. Stainless steel pressure sensor is equipped with -0.1-0-100Mpa measuring range, output signal 4-20mA, and threaded connections M20*1.5, etc.

Water flow switch is a flow sensor which consists of magnetic core, external case and reed switch, G1/2 thread, 50W, optional flow rate 15, 30, 50 L/min, reliable components of the reed switch with low price.

Low price hall angle sensor is for sale at ATO. The contactless magnetic angle sensor supports three output signals: RS485/4-20mA/0-5V, with a measurement range of 0-360° and a measurement temperature range of -30℃ to +80℃. The independent linear accuracy is 0.15% FS, and the protection grade is IP65.

There are two types of high temperature top plunger limit switch, one has a sealed top ball plunger and the other has a sealed top plunger without ball. The top plunger can reset automatically. High temperature limit switch can be used in the environment temperature 350℃ (622℉). The rated current and voltage are customizable, such as 10A/120VAC, 2A/48VDC, etc. The default value is 5A/220VAC. It also has fully enclosed 1NO + 1NC contact switches, which is casting from high temperature resistant material.

Good price ICP/IEPE accelerometer sensor adopts 3-axis design, equipped with 10g, 50g and 100g measurement range optional. The frequency response ranges from 0.5 to 5000Hz with a linearity error of less than 1%, providing stable and accurate measurement data.

Industrial piezoelectric accelerometer sensor with a peak measurement range of ±50g is ideal for high precision vibration and shock measurements. With a sensitivity of 100mV/g (160Hz) and a frequency response range of 0.2 to 10,000Hz, the piezoelectric accelerometers are reliable and can be used in applications such as industrial monitoring systems that require high stability and accuracy.

The infrared carbon dioxide (CO2) transmitter offers a selectable measurement range of 0-2000ppm, 0-5000ppm, 0-10000ppm, 0-20000ppm, or 0-50000ppm, operates on a DC 24V±0.5V supply. Equipped with ModBus 485 output, ideal for fresh air system monitoring equipment, building equipment environmental monitoring, air quality tester, smart home environment monitoring.

The infrared door light curtain is an advanced safety photoelectric sensor designed for automatic sliding doors, available in four length options: 0.5m, 1m, 1.5m, and 2m. It offers reliable object and person detection to prevent accidents, featuring multi-beam infrared technology, strong anti-light interference, easy plug-and-play installation. Suitable for garage doors, fast roll-up doors, and various automated entrances.

DC voltage sensor is a special voltage sensor for unidirectional ripple DC voltage measurement. It has a measuring range from DC 10mV/50mV/75mV/5V/150V/300V/500V to 1000V, output signal 0-5V/0-10V/0-20mA/4-20mA, supply voltage DC 12/24V, IP20 and DIN rail installation. Isolated DC voltage transducer uses modulation and demodulation technology to achieve input/output/power supply isolation.

Low-cost label eye sensor is for sale now. It uses 940um infrared modulated light, with a slot width of 2mm and a slot depth of 40mm, enabling accurate detection of non-transparent labels. Label detection sensor offers two optional output modes: NPN/PNP, with a response time of only 50us, ensuring efficient and sensitive detection.

High-precision laser displacement sensor is equipped with 50m/100m/400m measurement center distances, and 4-20mA or 0-5V output signals, widely used in industrial automation, quality inspection, mechanical positioning and other fields.

Laser through beam photoelectric sensor, detection distance 20 m, supply voltage DC 12–24 V, with multiple protection functions to protect both the photo sensor and connected equipment, including short-circuit protection, polarity protection, and over-voltage protection. Equipped with high-quality electronic components, high-sensitivity laser sensing head, and PU material cable.

Low cost M12 proximity sensor manufacturer direct sale. It is an NPN inductive proximity switch with NO output method, unshielded installation type and 4mm detection range, which can detect the presence or absence of metallic objects within a certain range without direct contact. The inductive proximity sensor is designed for detecting magnetic metals, with reduced sensing distance for non-magnetic metals.

Miniature load cell can bear both tension and compression force, with metal-foil strain gauge, all stainless steel, small size, 1.0±0.2mV/V sensitivity. Miniature tension and compression load cell is used for force tester, riveting machine, laminator and welding machine.

ATO shop offers PE piezoelectric accelerometer sensors with a measuring range of 150g (1500m/s² peak) for sale, with an axial sensitivity of up to 500pC/g, for frequency response from 0.3Hz to 3000Hz. The PE accelerometers are made of piezoelectric ceramic sensitive material and are equipped with a stainless steel housing for stable operation over a temperature range of -40°C to +150°C.

This photoelectric LED color sensor utilizes advanced RGB tri-color lighting to deliver high-precision color recognition and mark detection. With a versatile dual-mode operation, it allows seamless switching between color mode and mark mode to suit various industrial applications. Color identification sensor offers a long detection range of 18–28 mm, excellent anti-jitter performance for accurate and stable detection.