Sensors

High temperature limit switch adopts a fork lever with a radius of 38mm. The fork lever is different from single roller lever because it is unable to reset automatically. So fork lever limit switch is suitable for the travel control of reciprocating motion machinery. The fully enclosed 1NO + 1NC contact switches are 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 rated current and voltage is 5A/220VAC. Other voltage are customizable, such as 24VDC, 48VDC, 120VAC, 380VAC, 480VAC, etc.

Industrial pH combination electrode for sale, resolution 0.01PH, measuring range 2~12pH and pressure resistance reach to 0-0.4MPa. Combination pH electrode made of material PPS, can be selected measurement parameters pH electrode and orp electrode. Usually used in tap water and conventional sewage.

The oil in water sensor uses the fluorescence method to measure oil concentrations from 0~40 mg/L with 0.01 mg/L resolution. The water quality sensor has a fast response time (<10 seconds), two-point calibration, and automatic temperature compensation (Pt1000). With RS485 and 4-20 mA outputs. Built with durable 316L stainless steel and IP68-rated. Perfect for monitoring oil pollution in wastewater treatment plants, industrial discharge monitoring, and environmental water protection.

Optical dust sensor with laser scattering technology for accurate particulate measurement (0–1000 μg/m3), 0.3 μm resolution, and laser auto-calibration, featuring standard PWM and UART output and full metal shielded housing for strong anti-interference performance. Operating voltage 4.75–5.25 VDC, working temperature -10–50 °C.

Signal isolator for high quality RTD temperature transmitter, with output signal options of 4-20mA, 0-20mA, 0-5V or 0-10 V. Inputs support a wide range of options such as Cu50 (-50~150°C) and PT100 (-200~850°C). Flexible input channel configurations include 1 in 1 out, 1 in 2 out and 2 in 2 out to meet different application requirements. Welcome to purchase to ensure your signal isolation conditioning is stable and reliable.

High-quality and low price slotted fiber optic sensor is for sale, you also can add the matching fiber amplifier on this page. Fiber optic sensor is an excellent industrial detection component with an effective detection distance of 12mm. U-shaped fiber optic sensor is suitable for various working scenarios such as the chemical industry, production lines, and textile industry.

Temperature and humidity transmitter adopts capacitive type digital temperature and humidity sensor, wide measuring range, high accuracy, anti-interference ability, high-definition TFT color display, built-in alarm module (high/low temperature alarm, high/low humidity alarm), output RS485 signal, 1000m maximum communication distance. Multiple temperature and humidity transmitters can form a network temperature and humidity monitoring system. And the maximum number of cascading transmitters is 254.

T type thermocouple assembles with protection head and stainless steel thermowell, with high pressure resistant, fast thermal response time and long operating life. Its thermo wire diameter is Ф2.5mm. T type thermocouple has the highest accuracy and lowest price in base metals, can directly measure the temperature of liquid, vapor, gas medium and solid surface in the range of -40~300 ℃ in various production processes.

Specifically designed for PCB testing, this triaxial strain gauge features a 0–45–90° triaxial configuration to simultaneously capture strain components in three directions of the PCB. Equipped with a 120Ω resistance and a sensitivity coefficient of 2.01, the 3 axis strain gauge delivers stable, linear output for reliable test data.

Wireless capacitive fuel level sensor with bluetooth 5.4 provides 99.5% accuracy, a 0–1000 mm measuring range, and up to 7 years of battery life. Ideal for most type of trunks. Buy this smart wireless capacitive fuel level sensor today.

Economical price wireless pressure sensor adopts LoRaWan or NB-loT communication mode to realize the wireless transmission of field monitoring data to the cloud, measure range from 1~40MPa, powered by 3.6VDC battery, used for measuring air, water, oil and hydraulic in non-explosion proof area.

Zigbee soil moisture sensor with solar power, EC detection, temperature & moisture monitoring. Ideal for smart irrigation, greenhouse, and gardening users. Remote control via app, real-time alerts, and smart scene automation. Order ATO-NAS-STH02B now for smarter plant care.

Cost-effective 2D electronic compass module (single board) has a measurement range of 0° to 360° and high accuracy of ±1°. It supports multiple communication interfaces, including RS232, RS485, TTL, RS422 and Modbus (optional). The module has an operating temperature range of -40°C to +70°C, has good anti-magnetic interference ability, and is widely used in automation control, navigation positioning, robotics and other fields.

AC current transducer is a special current sensor for 3 phase AC current measurement. Three phase current transducer adopts epoxy resin pouring sealant to ensure the stability of components, with 0.5%FS accuracy, three output signals 4-20mA/0-20mA/0-5V/0-10V, power supply DC 5V/12V/24V, fixed installation. 3 phase AC current transducer is widely used for real-time monitoring of power grid AC current.

Digital water flow switch for sale at favorable price, 3/8 inch thread port size, with digital display for real time monitoring, ±2% accuracy, measuring water and ethylene glycol aqueous solution, fluid temperature 0~90℃. This water flow switch comes with water sensor, which is designed for flow sensing to transmit data to the mainboard, Selectable signal output PNP or NPN.

Voltage sensor has voltage measuring range from AC/DC 75mV/50V/100V/250V/300V to 500V, supply voltage DC 12V/24V, output DC voltage/current or True RMS voltage/current signal 0-5V/0-10V/0-20mA/4-20mA and protection class IP20. AC/DC voltage sensor has two installation methods, DIN rail installation and M3 screw fixation.

Good price blue green algae sensor for water quality adopts RS485 communication, measures up to 300,000 cells/ml with a temperature error of ±0.5°C. It has a resolution of 1 cell/ml and a temperature resolution of 0.1°C, with a high linearity of R² > 0.999. It is an important instrument for water quality research, operates between 0 and 40°C, powered by DC 7~30V with a power consumption of 0.4W.

Draw wire sensor combines the advantages of angular sensor and linear displacement sensor, has a small mounting size, compact structure and high precision. The measuring range can be 1000mm/2500mm/5000mm or even 50000mm.

Draw-wire displacement sensor adopts a sturdy aluminum alloy housing. The displacement range of the sensor can be selected from 1mm to 1000mm, the operating temperature range is -20℃ to 80℃, and it also supports multiple output types and can be integrated with a variety of control systems.

The high pressure oxygen sensor functions within a pressure range of 0.8~7.0 bar, a operating temperature range of 0~45°C. The oxygen sensor operates on a voltage divider electrochemical principle with an output voltage range of 8.5~14mV (in air) and a measurement range of 0~100%. The sensor includes temperature compensation for 0~50°C and supports a load resistance of >10kΩ. Widely used for oxygen monitoring in high-pressure equipment, such as high-pressure oxygen chamber, testing ships, tankers and other equipment.