Sensors

Mini limit switches for sale online offer a choice between adjustable rod lever or roller lever options to suit specific application requirements. Compact limit switch features a rated current of 10A at 250VAC and are designed with an IP66 rating, ensuring protection against dust and water ingress. The electric limit switch includes normally open (NO) and normally closed (NC) contacts, providing flexibility for circuit design and application.

Non-contact angular displacement sensor utilizes advanced magnetic sensing elements and intelligent microprocessors to achieve high-precision, non-contact angle measurement. With a resolution as high as 0.087°, it delivers excellent linearity, exceptional repeatability, and extended rotational lifespan. Supporting full-range measurement from 0 to 360°, it also offers 90°/180° specifications. Installation options include flange or face mounting to meet diverse application requirements.

Hall effect DC current sensor is non-invasive current sensors, with split-core structure, 1ms fast response time, 1.0%FS accuracy, 4-20mA output signal, 12V/24V power supply, strong anti-interference capacity. Open loop current sensors are widely used for DC current monitoring of battery/power inverter/UPS/solar power supply.

Good price potassium sensor with 0.7~98,000 ppm measurement range for water quality for sale. It has 0.01 ppm resolution, ±3% FS measurement accuracy. Digital potassium water quality sensor offers RS485 output signal. Application for drinking water, industrial circulation, wastewater, soil, seawater, and biological fluid testing.

Low price ppm oxygen sensor is for sale. O2 ppm sensor adopts voltage-divider electrochemical principle, which can accurately detect trace oxygen concentrations at the ppm level or even ppb level, and has core advantages such as low detection limit, fast response (<7s), and high stability. The detection range is from 0-10ppm to 0-10000ppm.

RTD sensor built-in small transmitter. It converts temperature to 4-20mA standard signal proportional to the electrical signals of thermistor, and outputs to display instrument or DCS system in control room. Transmitter adopts silicone rubber seal structure, good anti-interference ability, shock and humidity, apply to harsh environments. Measuring temperature range -200~+420 ℃.

Wireless ultrasonic level sensor is for sale at factory price. It supports 0-5m liquid level monitoring with an accuracy of ±0.02m, and is equipped with dual-connection functionality of 2.4G wireless WiFi and Zigbee. Smart WiFi level sensor also enables real-time viewing of liquid level data via APP and supports custom liquid level alarm settings, making it suitable for various scenarios.

Good vortex flow sensor for sale, available in pipe diameters of DN6, DN10, DN20, and DN25 as optional configurations, offers a versatile measurement range of 0.5~10 L/min, 1.8~32 L/min, 5~85 L/min, and 9~150 L/min. It can withstand a maximum pressure of 1 MPa, voltage range of 11.4~25.2V. Widely used in water heaters, HVAC flow detection, heat recovery systems, medical fluid flow detection systems.

High-precision contact displacement sensor featuring a precision pneumatic drive design to effectively prevent damage to workpiece surfaces. With a 2mm measurement range, it achieves an effective stroke of ±1mm and repeatability accuracy of 1μm, ensuring stable and reliable measurement results. The wear-resistant steel contact point design supports multiple output interfaces, making it suitable for diverse applications.

RTD sensor with digital meter can directly display high-precision real-time temperature. It converts temperature to 4-20mA standard signal proportional to the electrical signals of thermistor, and outputs to display instrument or DCS system in control room. Built-in small transmitter adopts silicone rubber seal structure, good anti-interference ability, shock and humidity, apply to harsh environments. Measuring temperature range -200~+420 ℃.

The gas sensor is based on the MEMS principle and comes with low power consumption, high sensitivity and simple drive circuit. Factory price gas leak sensor is designed to measure Hydrogen H2 (30~3000ppm), Methane CH4 (1 %LEL~25%LEL ), Carbon Monoxide CO (50~1000ppm) and TVOC (50~5000ppm) concentration.

High-performance gear oil flow sensor ensures fast response, ±1–3% accuracy, and wear resistance. Available in multiple connection sizes, including G1/4'' (2mm), G1/2'' (4mm), and G3/4'' (6mm) to accommodate various installation requirements. Features a PPS housing, ROHS certification, a wide voltage range, and stable operation for oil, chemical, and industrial applications.

Factory price industrial oxygen sensor adopts the electrochemical principle, with a detection range of 0-30% vol, 0-500ppm, a resolution of 0.1% vol, and a service life of up to 5 years. Industrial O2 sensor is suitable for various fields such as industrial production and environmental protection.

Industrial soil pH sensor with a 3–9 pH measurement range and ±0.3 pH accuracy, featuring an IP68 waterproof probe and multiple outputs including RS485 and 4–20mA. Ideal for agriculture, irrigation, and greenhouse monitoring. Order the soil pH sensor today for fast delivery and reliable performance！

Ceiling-mounted infrared human sensor adopts advanced PIR pyroelectric sensing technology, which can accurately detect human activities and trigger alarms. Through RS485 communication interface, it supports remote control and data transmission. Its power supply voltage range is 10-30VDC, and it is used in high security demand places such as computer rooms, data centers, warehouses, etc.

Reasonable price magnetic blowout limit switches for sale online, providing normally open (NO) and normally closed (NC) contacts, capable of reliable operation at voltages and currents of 380VAC 8A and 250VDC 5A. Magnetic limit switches are suitable for industrial applications in harsh environments, ensuring efficient position detection and electrical control.

Econimical price methane sensor with wide measuring range from 0 to 100% VOL, working voltage 5 VDC, interface level 3V. The infrared methane sensor adopts the principle of infrared absorption, reliable performance, long life and the adjustment period is more than 1 year.

High-accuracy methane sensor with measuring range from 0 to 100% Vol, working voltage 5 VDC, interface level 3V. The methane CH4 sensor is widely used for industrial field instrumentation, industrial-process control and safety protection.

Compact infrared photoelectric sensor with 12–24VDC power supply and 940nm IR LED. Provides precise detection for any color or material, ideal for semiconductor and automation equipment.

Micro pressure sensor adopts high-precision diffusion silicon core, the amplification circuit is located in the stainless steel housing, the sensor signal will be converted to standard 0.5~3VDC analog output signal, measuring a wide pressure range of 0-2.5/4/6/10MPa, giving full play to the technical advantages of micro pressure transducer. Mini size and easy to carry and install, can provide excellent solutions for industrial occasions.