Sensors & Transducers

Smart Wireless Ultrasonic Level Sensor, WiFi/Zigbee, 0-5m

$97.65

SKU: ATO-LEVS-LM01

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.

Vortex Flow Sensor, 0.5-150 L/min, DN6/DN10/DN20/DN25

$91.61

SKU: ATO-FS-AFD2

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.

Contact Displacement Sensor, Pneumatic, 2mm

$522.16

SKU: ATO-DC-CP2

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.

Digital Temperature Sensor with transmitter, Pt100, 2 Wire

$173.85

SKU: ATO-RTD-D2W

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 ℃.

Gas Sensor, Methane(CH4)/ Hydrogen(H2)/ Carbon Monoxide(CO)/ TVOC

$54.12

SKU: ATO-GS-4GAS

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.

Gear Oil Flow Sensor, G1/4'', G1/2", G3/4"

$56.18

SKU: ATO-FS-OF07ZAT

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.

Industrial Oxygen Sensor, Lead-free, 0-30%vol

$62.50

SKU: ATO-GS-O2-LFO2

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.

Infrared Human Sensor, Ceiling Mounted, RS485

$79.62

SKU: ATO-IHS-HWN01

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.

Magnetic Limit Switch, NO+NC, 380VAC 8A/250VDC 5A

$68.62

SKU: ATO-LS-LXW22

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.

Methane (CH4) Sensor, 0 to 5% Vol

$684.62

SKU: ATO-GS-CH4-741A

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.

Methane Sensor, 0 to 100% Vol

$992.31

SKU: ATO-GS-CH4-7042

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.

Micro Photoelectric Sensor, Button Type, 12V-24VDC

$67.94

SKU: ATO-PHOS-BT

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, 0-2.5/4/6/10MPa

$233.95

SKU: ATO-PRES-Z96

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.

Miniature Strain Gauge Load Cell, 0-500µm/m

$459.28

SKU: ATO-LC-B001

The strain gauge load cell is a highly accurate, miniature load cell with a rated measurement range of 0-50/100/500µm/m. It is constructed of stainless steel for excellent durability and corrosion resistance, and has an output sensitivity range of 1.0-1.5mV/V to ensure stable operation in complex environmental conditions.

Sodium Sensor for Water Quality, 0.2~100,000ppm

$585.46

SKU: ATO-WQS-INA

High quality sodium sensor for water quality, test range of 0.2~100,000ppm for sale online. It supports RS485 signal output, low voltage power supply and power consumption <0.5W. Sodium ion water quality sensors are also capable of testing temperature, with a measurement range of -10°C to 110°C. For use in mineral water drinking water, industrial circulation, wastewater, seawater, soil, food, biological fluids, blood.

Split-type Ultrasonic Level Sensor, Non Contact, 5m/10m/15m

$572.59

SKU: ATO-LEVS-FK

This split-type ultrasonic level sensor offers non-contact, high-precision measurement for distances up to 5m, 10m, or 15m. Featuring automatic temperature compensation, fast response, and a self-diagnostic system with clear error codes, it ensures reliable monitoring in various liquid and solid level applications. With an intuitive interface, robust construction, and isolated outputs, it is designed for easy installation and maintenance in challenging industrial environments.

WIFI Temperature and Humidity Sensor with Display

$186.98

SKU: ATO-TAHS-WIFI

WIFI temperature and humidity sensors are designed for high accuracy and are suitable for a wide range of applications requiring environmental monitoring. Provides smart measurement of temperature and humidity with optional humidity accuracy of ±2%RH or ±3%RH. It supports 10~30V DC power supply, has a digital display for real-time monitoring of temperature and humidity data, and integrates a dual-band 2.4GHz and 5GHz WIFI interface to ensure efficient data transmission.

Beam Load Cell, 10kg/20kg/30kg/50kg/100kg/200kg/500kg to 1000kg

$126.98

SKU: ATO-LC-B01

Beam load cell can bear both tension and pressure. It is a cantilever beam load cell with bellows. Beam load cell has good anti-eccentric load and anti-fatigue performance, with low height, all sealed structure and protection class IP68. Multi cantilever beam load cells are suited to use for static and dynamic weighing system, such as variable belt scale, hopper scale, flatform weighing scale, material testing machine and other force measurement and process control.

Clamp-on Ultrasonic Flow Sensor, 0-3000ml/min, RS485/4-20mA

$932.37

SKU: ATO-FS-AFD6

Clamp-on ultrasonic flow sensor adopts non-contact installation, with a flow measurement range of 0-3000 ml/min, suitable for liquid flow monitoring. The sensor adapts to the ambient temperature range of 0~50℃, the humidity range of 35~85% RH (no frost), and supports 12~24VDC power supply.

Digital Displacement Sensor, Laser Triangulation, 30-200mm

$307.38

SKU: ATO-DC-30200

Precise, non-contact measurement, the digital displacement sensor makes displacement measurement more efficient. Utilizing laser triangulation and a unique optical design, this displacement sensor delivers exceptional stability with repeatability up to 10μm and linearity as high as ±0.1% F.S. Available in multiple ranges from 30-200mm and with NPN/PNP output options, it suits diverse applications including thickness, height, and step detection to meet varied requirements.