Sensors

This smart air quality sensor with display and RS485/Modbus-RTU output is a versatile device for comprehensive environmental monitoring. It can detect a wide range of parameters including PM2.5, formaldehyde, CO₂, TVOC, and various special gases like ozone and hydrogen sulfide. Featuring a compact design, it supports 24-hour continuous monitoring and is ideal for applications in smart buildings, industrial settings,and IoT air quality solutions.

The Smart Human Presence Sensor operates on 12–24V DC and uses a 5.8GHz microwave module with 360° coverage, offering adjustable detection range, delay time, and photocontrol. It supports weak-current dry-contact output, suits ceilings up to 3.5m, and provides IP42 protection for indoor and various other environments.

The provided capacitive proximity switch is a square proximity sensor with a PBT plastic shell and a protection level of IP67. The sensor supports four output modes: NPN NO/NPN NC/PNP NO/PNP NC, with an adjustable detection distance of 1-10mm and an operating voltage range of 10-30V DC. Square proximity sensor adopts a non-flush installation method (Not Flush) and can effectively detect all static objects.

Temperature and humidity sensor includes a capacitive humidity sensor and a digital temperature sensor, built-in one high-performance 8-bit SCM, optional one-wire/I2C communication mode, with small size, excellent quality, fast response, all automated calibration, completely interchangeability, high cost performance, low power consumption, long signal transmission distance.

Buy best thermal flow switch with the measuring range of water 3-300cm/s, gas 200-3000cm/s, oil 3-300cm/s. Liquid, air, oil can be measured, accurate to ±1-±10cm/s. G1/2, G1/4 male thread or G1 thread, 100 bar working pressure, 15-60mm sensor length, PNP/ NPN/ relay/ 4-20mA output signal.

E type thermocouple has the highest thermoelectric force and sensitivity in base metals. Sheath thermocouple have shielded thermocouple wire of common length 500mm and sheath diameter Ф3~Φ8mm, with flexibility, high pressure resistant, fast thermal response time and long operating life. E type thermocouple can directly measure the temperature of liquid, vapor, gas medium and solid surface in the range of 0~700 ℃ in various production processes.

High frequency ultrasonic transducer (sensor) for sale online, 100-700mm detection distance in ultrasonic power transducer. Small ultrasonic transducer consumption current less than 50mA, IP67 waterproof grade for protection, is designed to deliver good performance and efficiency at an economical price.

This ultrasonic label sensor is designed for high-speed, high-precision label detection in various labeling machines. Utilizing powerful ultrasonic technology, label detection sensor reliably detects transparent, non-transparent, metallic, and other challenging labels, unaffected by color, pattern, or ambient light. With a rapid response time of 250 µs, it ensures excellent process stability and is ideal for demanding industrial applications.

Water leak transmitter features RS485 or (NO) relay output, with a maximum detection distance of up to 2000 meters and an IP65 protection level. The water leak sensor supports DC 10-30V power supply, is easy to install and connect to existing systems, and is used in industrial, warehouse, and home locations.

Water level float switch is a device used to monitor and control the Water level float switch is a device used to monitor and control the liquid level in a container. Low price liquid level sensor is available in lengths of 2m~10m, AC 220V operating voltage, 1100W rated power, strong corrosion resistance, good insulation, suitable for industrial, commercial and residential applications.

Waterproof limit switch adopts fully sealed structure, can be used in the industrial occasions required for oil-resistant, waterproof and dustproof. There are different types of actuator for waterproof limit switch, such as roller plunger, roller lever, top plunger and coil spring. It contains two contact switches 1NO+ 1NC and can be used in the environment temperature -25~+70℃ (-13~+158℉). Waterproof limit switches apply to AC-15, 5A/250VAC, 3A/125VAC. Other rated current/voltage is customizable, such as 0.4A/125VDC, 0.2A/250VDC, etc.

High-precision weighing bucket rain gauge sensor to measure precipitation intensity, with RS485, pulse and other output forms, can be adapted to different collection equipment. All type of precipitation monitoring in solid, liquid and mixed solid-liquid state can be carried out. The rainfall sensor can output precipitation intensity and cumulative precipitation, and the real-time precipitation intensity measurement range is 6~1800mm/h, which can ensure high measurement accuracy under various rainfall intensity conditions such as light rain and heavy rain.

Magnetostrictive linear displacement sensor for injection 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 punching machine.

Magnetostrictive liquid level transducer for servo cylinder, high precision, no temperature drift, anti-jamming performance, long life, high temperature resistance, corrosion resistance, high pressure resistant.

1-phase AC voltage transducer for sale at a low price, 0-120V/300V/450V/600V input, compressive strength AC2Kvrms/min, output voltage 0-10VDC/0-5VDC/1-5VDC, output current 0-1mA/0-10mA/0-20mA/4-20mA, stable output signal. Suitable for residential, commercial equipment and single-phase industrial circuit monitoring.

Factory price 2 electrode electrical conductivity (EC) sensor for sale. 2 electrode electrical conductivity (EC) sensor can measure water temperature, conductivity and TDS. The conductivity measurement range is 0~9999μs/cm or 0~70ms/cm, and the TDS measurement range is 0~10000ppm.

This 3 Phase AC voltage sensor is designed for accurate and reliable measurement of three-phase AC voltages ranging from 5V to 500V. It provides versatile output options including 4-20mA current loop, 0-10V analog voltage, and RS485 digital communication, ensuring seamless integration into various monitoring and control systems. Featuring high isolation, excellent linearity, and robust protection against overloads and surges.

Factory price 3D electronic compass sensor provides high-precision 3D direction measurement, with a tilt angle of ±85° and a resolution of 0.1°. Electronic compass sensor uses hard and soft magnetic calibration algorithms, and can choose RS232, RS485 and TTL interfaces, suitable for applications in antenna stabilization, vehicles, ships, system integration and many other fields.

Single turn rotary encoder with single turn, 14 bit absolute encoder with natural binary code encoded output, working voltage 5V/ 24V can be chosen, the shaft encoder with shaft diameter 6mm/ 8mm, blind hole 8mm are optional. The absolute rotary encoder is used in computer input devices such as optomechanical mice and trackballs, controlled stress rheometers, and rotating radar platforms.