Sensors

Good multi depth soil moisture sensor for sale. It can measure soil EC and Temp from 5 to 45cm depth, uses a DC 5-30V power supply with 1.1W consumption, operating in -40°C to +80°C. The humidity sensor measures soil conductivity (0-20000 µS/cm), moisture (0-100%), and temperature with high accuracy, featuring built-in temperature compensation, IP68 protection, and RS485 (Modbus) output. Built with anti-corrosion electrodes and flame-retardant epoxy sealing, it’s durable for long-term field use.

Cost-effective NDIR CO2 sensor module has optional measuring range 0/400~2000/ 5000/ 10000, peak current 125 mA, average current less than 40 mA, UART/ PWM/ 0.4-2V DC three output signals for selection. CO2 gas sensor built-in temperature compensation; digital output and analog voltage output at the same time, easy to use.

Utilizing 485 communication with ModBus-RTU protocol, RS485, 4-20mA, 0-5V noise sensor operates within a wide DC Power Supply range of 10-30VDC, consuming only 0.1W of power. The Baud rate can be set to 2400, 4800 (default), or 9600, with 8 data bits, no parity check, and 1 stop bit. Boasting a swift response time of ≤3s and stability of less than 2% throughout its service life, accuracy is within ±0.5dB at the reference pitch of 94dB@1kHz.

Flat pH electrode for flue gas desulfurization (FGD), shell material PPS/PC, 0-60℃ (32-140℉) temperature range, direct lead, 6 months service life.

Quadrant incremental optical linear encoder for sale at factory price, provides AB phase or sine cosine signal output options, with a working voltage of 5V and a resolution of 1 μm. Users can choose DB9 or DB15 connectors. This non-contact optical linear encoder is suitable for industrial applications that require precise position detection and measurement.

Low price RGB digital color mark sensor is for sale. Color mark sensor has two modes: 45μs ultra-high-speed color mark detection and high-precision color discrimination. It has an IP67 protection rating and an operating temperature range of -10~55℃, and is suitable for high-speed and high-precision color mark detection in packaging, electronics and other industries.

Safety interlock switches are mainly used for locking/detecting the guard door of mechanical equipment. They have 2/3/6 groups of contacts, a magnet coil with rated voltage DC 24V and a key with optional shapes. Safety door switch has contact capacity AC-15 10A/500VAC and DC-13 4A/24VDC. Safety interlock switch with protection class IP67 has waterproof connector or circular connector to choose. Some model has a guard door lock. The cable length can be also customizable.

Safety light curtain for the industry with affordable price, optional light axis pitch 10mm, 20mm, 40mm. Come with an aluminum shell, the safety light curtain can reduce vibration effectively. Power supply DC24V and protection level IP65 and work temperature range (-10°C, 55°C). The default shooting distance is 3m and the working current is < 200 mA. Light curtain sensors can be used for area protection of the size of the working area of the robot arm.

Analog signal isolator is composed of pluggable PCB power board and separable isolating circuit module. It can be input the loop powered sensor signal or the external powered sensor signal by the selector switch. Signal isolator is suitable for industrial field with severe signal interference. Signal isolator adopts digital calibration, automatic zero calibration, DIN rail installation way and no potentiometer, with strong input/output/power supply isolation, fast response, low-power dissipation, and good anti-interference performance.

High precision acceleration monitoring single-axis capacitive accelerometer sensor for sale, the accelerometer sensor's sensitive parts for the cantilever beam structure, can make it in the corresponding linear acceleration ±1g / ±5g / ±50g range range, the nonlinear error is less than 0.5%. Can be widely used in vibration, shock, rotational acceleration and inclination measurement, school research, industrial monitoring and other measurements.

Small IMU sensor integrates 3-axis accelerometer and 3-axis gyroscope for robotics/drone. The AHRS IMU with IP67 protection operates at -40~+85°C, measuring ±2000°/sec angular rate and ±16g acceleration. Supports RS232/RS485/TTL/CAN interfaces with 100Hz maximum output frequency. This high precision IMU provides a cost-effective sensing solution for autonomous systems.

High-precision static strain gauge torque sensor is sold at an affordable price, shaft type, with multiple ranges to choose from 100/200/220/500/1000/2000/3000/5000Nm. The static strain gauge torque sensor adopts alloy steel shell, with comprehensive accuracy of 0.1~0.5%F·S, sensitivity of 1.0~2.0mV/V, small temperature influence, and durable.

Temperature and humidity sensor includes a capacitive humidity sensor and a digital temperature sensor, built-in one high-performance 8-bit SCM, standard one-wire interface, duct and wall mounted, all automated calibration, completely interchangeability, with excellent quality, fast response, strong anti-interference ability, high cost performance, low power consumption, long signal transmission distance above 20m.

Economical price thermal dispersion liquid flow switch for sale, various lengths of sensors can be selected: 15mm, 20mm, 30mm, 40mm, 60mm. G1/2, G1/4 male thread/ M18 female thread, PNP/ NPN/ relay output signal, 6 LED lights to indicate the velocity.

T type thermocouple has the highest accuracy and lowest price 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. T type thermocouple can directly measure the temperature of liquid, vapor, gas medium and solid surface in the range of -200~+350 ℃ in various production processes.

Favorable price tipping bucket rain gauge sensor core component ABS tipping bucket adopts three-dimensional streamlined design with self-cleaning dust removal function. Pulse/RS485 signal/analog output, 0.2mm/0.5mm resolution optional.

Buy an ATO turbidity sensor for water quality, which provides precise turbidity measurements using a 90° scattered light method with built-in temperature compensation (Pt1000). It supports a range of 01000 NTU with resolutions as fine as 0.01 NTU and a fast response time (<30 seconds). Ideal for water treatment, environmental monitoring, and aquaculture.

Affordable price long range ultrasonic sensor for sale, with 150-2000mm detection distance. Ultrasonic distance sensor with PNP open-collector output and 4-20mA output can be selected. Ultrasonic sensor for vehicle detection is a common usage in life.

Good price UV radiation sensor with 280-400nm spectral range for sale online. Ultraviolet radiation sensor is a precision sensor used to measure ultraviolet light in the atmosphere. Aluminum alloy shell material protects UV radiation sensor, can be used in any high intensity conditions.

Human presence sensor with mmWave radar detection for accurate motion and micro-motion sensing, reducing false light-offs. Supports 0–3000Lux light sensing plus adjustable sensitivity and detection distance for flexible indoor use. Built-in WiFi connectivity and a compact Type-C design ensure easy installation and stable performance.