Sensors

High quality non-contact ultrasonic oil level sensor works at 12V-48V DC voltage and ≤25mA current and provides measurment distances 5-100cm and RS232/RS485/0-5V output, suitable for measuring vehicle tank oil level, liquid tank level, container water level and filling liquid gas.

Buy a sensor for humidity and temperature online for warehouse monitoring. Built-in probe or external probe (L Bracket Probe, M20 Movable Threaded Probe, M20 Sealed Threaded Probe (High Temperature), M20 Sealed Threaded Probe) for selection. Wall mounted temperature and humidity sensor provides three wire system 4-20mA, accuracy 1%, humidity 0-100%RH, IP65 and optional transmit or communicate output.

Get real-time soil fertility data with the ATO soil NPK Sensor. Featuring IP68 waterproofing, ±2% accuracy, and RS485/4-20mA outputs for Nitrogen, Phosphorus, and Potassium monitoring. Great for precision agriculture and IoT systems. Shop industrial soil sensors today!

Low price calcium sensor for water quality with measurement range 0.2~40000 for sale. This high accuracy water quality sensor can operate in the range of 0-50°C and at a pressure range of 0 to 2 atm. Sensitive sensing, supports online monitoring. Suitable for rivers, tap water, industrial wastewater, leachate, seawater, mining water, soil, cement.

Cross rotary limit switch with rated current of 16A, rated voltage of 380V, are widely used in cranes and can be used in CNC lathes, marine facilities, medical equipment, industrial towers and more. Two sizes are available, single speed 180° and double speed 360°. Insulated and dustproof, water and oil resistant. Removable top cover. Thickened housing, engineering plastic material. Water and moisture resistant, protection class IP65, 360° rotatable.

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.

Good price dynamic torque sensor for motor torque/RPM for sale, measures torque including 50Nm, 100Nm, 200Nm, 500Nm, 1000Nm, 2000Nm, 3000Nm, 5000Nm, and 10000Nm and supports speeds up to 12,000 RPM with optional pulse frequencies of 120Hz or 240Hz. Torque sensor offers torque output in ±10V, 4-12mA, or RS485, and speed output in 0-10V, 4-20mA, or RS485. Operating on DC 12~28V with a maximum power of 7.3W, torque measurement sensor has a 3200Hz encoder sampling rate with 24bit AD and 14bit DA resolution.

Fiber optic sensor amplifier at factory price is for sale. Fiber optical amplifier has selectable NPN/PNP output modes and can match conventional optical fibers. It features strong anti-interference performance and flexible adjustment of light intensity levels, making it a practical choice for industrial automation detection.

Get a gas flow sensor at low price. It measures the flow of air, Nitrogen(N2), Oxygen (O2) and other non-aggressive gases with high accuracy. This air flow sensor operates with a 5V supply voltage, -10~200SLM flow range, and digital IC interface, Mainly used in ventilators, medical, environmental monitoring and laboratories.

Piezoelectric pressure sensor provides selectable 10, 50, 100, 200, 400 and 600 MPa measuring ranges for high-pressure dynamic measurement. Its stainless steel construction, wide frequency response and high rigidity make it suitable for pipeline pressure and explosion pressure testing.

Sold indoor pipe thermocouple temperature sensor, offers a measurement range of -50 to 100℃ with insertion depths of 100mm, 150mm, or 200mm. The thermocouple sensor provides output signals in 4~20mA and RS485, with a response time of 18 seconds and stability of ±0.1% FS per year. The temperature sensor has a protection level of IP65 (after electrical connection) and operates in environmental temperatures of -40 to 85℃ with humidity levels up to 95% RH (no condensation). It has an accuracy level of 0.25%FS and 0.5%FS. Ideal for precise temperature control in indoor environment, ventilation ducts, HVAC systems, and other temperature and humidity-controlled environments.

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.

Mini infrared through beam photoelectric switch with a compact 45° clip-on design for easy installation, operating on DC 10–30V, offering high sensitivity, fast response, and strong resistance to light interference. Ideal for barrier gates, garage door openers, and various small automation devices, with durable, stable performance, IP65 protection.

Ozone gas sensors for sale online. It has high sensitivity to Ozone and also has certain sensitivity to strong oxidizing gases such as Chlorine and Nitrogen Dioxide. Ozone (O3) detection sensor, with a detection range of 10ppb to 1000ppb, widely used in household Ozone concentrations exceeding alarm alarms, industrial Ozone concentrations exceeding alarm alarms, etc.

Pt100 RTD sensor is a platinum resistor temperature sensor, with small diameter, good flexibility, good vibration resistance, high accurate and fast thermal response time. RTD sensor can directly measure the temperature in the range of -200~+420 ℃ in various production processes.

Buy a compact sensor for humidity and temperature online. It uses the optical cold mirror principle to directly measure temperature and humidity. High-precision temperature and humidity sensor is equipped with standard Modbus RTU communication, widely used in measurement and testing, aviation, university scientific research, meteorological environment, electronic power, medicine and other industries.

Subminiature load cell is a button type load cell with a diameter only 8mm. It is made of stainless steel, with protection class IP66, Φ2*2m cable. Subminiature load cell can be used for keyboard button hand-feeling test, force tester, automated assembly of new energy products and automotive products. It can be customized for the high-temperature working condition such as injection moulding, extrusion and other manufacturing processes.

Factory price temperature and humidity transmitter can switch the temperature range of 0~50℃ or -40~+60℃, and the RS485/0~10V/0~5V signal output is optional. High-precision rail-type temperature and humidity sensor is used in scientific research, chemical industry, environmental protection, medical and health, food and other occasions where air temperature and humidity need to be measured and controlled.

The mass air flow sensor is a thermal flow sensor that calculates the flow rate of the gas being measured by measuring resistance changes. Built-in temperature compensation, -3~3L/min measurement range, accurate, stable, high and low temperature resistance, good linearity, fast response time, the micro flow sensor is suitable for various scenarios that need to measure gas flow.

The True RMS voltage sensor supports AC/DC input voltages ranging from 75mV to 500V, output in DC 0-5V or 0-10V with an accuracy class of 0.5 and a load capacity of 5mA, other parameters can be customized. It requires DC +12V or +24V auxiliary power, with a static current consumption of ≤30mA and a response time of ≤250ms. Perfect for use in VFD systems, SCR-controlled devices, and other equipment requiring true RMS voltage measurement.