Sensors

Background suppression photo sensor with NPN/PNP/RS485 outputs, unaffected by the color or angle of the target, offering high precision. Resistant to sunlight, featuring one-key setting and no blind spots. Equipped with short-circuit, overvoltage, and polarity protection. Capable of detecting black, transparent, and other colored objects. Flame-retardant and wear-resistant PVC wires.

Column compression load cell featuring a self-restoring design and 7.5 ton, 15 ton, and 22.5 ton capacities. With C3/C6 accuracy, 2.0 ± 0.002 mV/V sensitivity, IP68/69K sealing, and stainless steel construction, it suits heavy-load compression measurement.

Column load cell with flange type body combined is an excellent performance weight measurement device for 5 ton/10 ton to 30 ton load measurement optional. It is made of high-strength alloy steel, which is robust and ensures stable operation in harsh environments.

Column type load cell undertake special surface spraying and seal processing, can be used in harsh environment for a long time. Compression load cell can be applied for large platform scale, truck scale, rail weighbridge, and special for engineering force testing, overload safety testing and impact force measurement and control.

The DC current sensor supports an input of DC 1mA, 5mA, 20mA, 50mA, 0.1A, 0.2A, 0.5A, 1A, 2A, and 5A, with customization options to handle up to 10 times the rated input current. The output specifications include options for 12±8mA or 10±10mA, with a load capacity of 6V. It operates with auxiliary power options of DC +12V, +15V, or +24V and offers an accuracy class of 0.5. Ideal for isolating and monitoring bidirectional DC current in applications such as power systems, battery management, renewable energy setups, and electrical control systems.

The economical fiber optic amplifier is suitable for all types of fiber optic sensors and is a cost-effective choice for industrial detection. It supports NPN/PNP outputs and NO/NC state adjustment, and has built-in short-circuit and overload protection to avoid equipment damage.

Explosion-proof analog signal isolator supports 24V DC power supply and common 4-20mA current signal input. Its accuracy is up to 0.1%FS, the response speed does not exceed 2ms, and it complies with the [Ex ia Ga] ⅡC explosion-proof standard. The signal isolator is used in industrial automation, PLC, DCS control systems, etc.

High performance and reasonable price explosion-proof temperature and humidity sensor for sale online. 4-20 mA and RS485 two types of output signal are available. Transfer part of temperature and humidity sensor adopts a fully sealed flameproof enclosure. Explosion-proof temperature and humidity sensor widely used in coal mining, metallurgy, food and brewing.

High precision column load cell with self-restoring design and 30 ton/40 ton/50 ton capacities for accurate weighing. C3/C6 accuracy, 2.0 ± 0.002 mV/V sensitivity, stainless steel construction, IP68/69K sealing, and 150% safe load support stable performance in demanding industrial applications.

Isolated IEPE accelerometer sensor with ±5g/±15g/±100g ranges, featuring built-in IEPE circuit, dual-layer shielding, low impedance output, laser welded sealing, and strong anti-interference performance for industrial vibration monitoring.

K type thermocouple assembles with protection head and stainless steel thermowell, built-in small transmitter. It converts temperature to 4-20mA standard signal, and outputs to display instrument or DCS system in control room. Transmitter adopts silicone rubber seal structure, save extension wire, good anti-interference ability. Measuring temperature range 0~1000 ℃.

The LED photoelectric sensor features a 1–30 cm adjustable detection range with a high-brightness visible light spot for easy alignment. Its switchable NO/NC output ensures flexible use, while detection remains stable, unaffected by target color, and incorporates background suppression for accurate sensing even in complex environments. Multiple protections safeguard both the sensor and connected equipment, and the high-transmittance optical filter blocks interference from other light and electromagnetic signals, ensuring precise and reliable performance.

Linear displacement sensor housing surface anodized, built-in conductive plastic measurement unit, anti-corrosion, no temperature drift, long service life, automatic electrical grounding, suitable for most common applications.

Micro limit switch for sale online, choosing from coil springs, roller levers, or plunger actuators to meet your specific application needs. The rated current of industrial limit switch is 5A, 250VAC, designed with an IP65 rating, providing normally open (NO) and normally closed (NC) contacts, providing flexibility for circuit design and application.

Good quality nitrite sensor for water quality for sale. This water quality sensor measures 10–2200 ppm with 0.01 ppm resolution, runs on 9–27 VDC, uses 0.5W power, and supports online pH-adjustable readings. It’s made of solid PPS and installs via 3/4 inch threads. Nitrite water quality sensor is ideal for monitoring nitrite levels in drinking water, wastewater, aquaculture, environmental water bodies, and industrial discharge.

The photoelectric distance sensor features a 10cm sensing distance with a visible red LED light. Its switchable NO/NC output ensures flexible use, while detection remains stable. Incorporating diffuse type for accurate sensing even in complex environments. Multiple protections safeguard both the sensor and connected equipment.

The non-contact ultrasonic level sensor supports DC12~48V voltage, protection level up to IP67, dustproof and waterproof. Ultrasonic liquid level sensor can provide stable liquid level data within a range of 0.5 meters to 1.5 meters, can be installed outside the bottom of the water tank to measure the liquid level height, and communicate with the system through the RS232/RS485 interface.

The ultrasonic oxygen sensor offers a concentration detection range of 21%~95.6%, a flow detection range of 0~15 L/min, a resolution of 0.1 L/min, and an accuracy of ±0.2 L/min. With a detection cycle of 500 ms and a preheat time of less than 10 seconds. It requires a DC voltage supply of 5V~12V (±0.25V), with a current of ≤40 mA and power consumption of ≤200 mW. widely used in medical, industrial, chemical, mining and food applications, especially in medical oxygen generators, industrial oxygen equipment, mining and food storage production.

The waterproof vibrating-wire strain gauge provides reliable long-term monitoring with a measurement range of 800 με (tension) and 1200 με (compression), featuring ≤1.5% FS comprehensive error. Its fully sealed waterproof structure and corrosion-resistant materials ensure stable, interference-resistant operation even in harsh, humid environments.

Compact digital water flow switch for sale at low price, 1 inch port size, with digital display for real time monitoring, ±2% accuracy, fluid temperature 0~90℃. This water flow switch comes with water sensor, which is designed for flow sensing to transmit data to the mainboard.