Sensors & Transducers

Infrared Presence Sensor, Embedded, 110V/220V

$45.88

SKU: ATO-IPS-110V

ATO Infrared presence sensor features a high-quality Fresnel lens that delivers a wide 120° detection angle and up to 6m sensing distance. With broad voltage compatibility and support for various lighting types, it ensures fast, stable motion detection for everyday automatic lighting applications.

IoT Air Quality Sensor, Wifi/Bluetooth/RS485/4-20mA Output

$72.53

SKU: ATO-AQS-802A

Low-price IoT air quality sensor is for sale. Smart air quality sensor can accurately detect common gases as well as various special gases, supports multiple output methods including RS485 and Bluetooth, and can perform 24-hour continuous online monitoring, providing real-time and reliable data for air quality monitoring.

Laser Dust Sensor for Vehicles, PM1.0/PM2.5/PM10

$105.46

SKU: ATO-DS-MPM60

Factory price laser dust sensor for sale online, an in-car air quality monitoring device that can detect fine particles such as PM1.0, PM2.5 and PM10 in the air inside the car. The dust sensor has a wide operating temperature range of -20°C to +70°C and a moderate range of 0~95%RH (no condensation), providing long-lasting air quality monitoring for vehicles.

Laser Sensor, Position/Length Measurement, M8, 150mm/50m

$134.92

SKU: ATO-LASES-M8

M8 laser sensor with laser spot size 1mm can be used for industrial automation control, such as measuring the object position, length and height, or detecting the motor speed. M8 laser sensor has diffuse reflection/through beam detection mode and NPN/PNP NO/NC output mode for selection, thread size M8*1mm, protection class IP67. The diffuse reflection type and through beam type laser sensor have respective detection range of 150mm/50m.

Load Cell Junction Box for Scales, 2/3/4/6/8/10 Inlets to 1 Outlet

$66.67

SKU: ATO-LCBOX-10I

Multi-channel load cell junction box has 2/3/4/6/8/10 inlets and 1 outlet, aluminum alloy casing, good anti-interference, special for waterproof sealing joint, waterproof and dustproof rubber gasket for cover, easy to assemble and debug. Each channel can be adjusted balance to prevent damage to the sensor caused by inductive lightning and surge signals.

Long Range Laser Distance Sensor, 80-500mm

$1,174.13

SKU: ATO-LDS-PDACC50

Factory price laser distance sensor with laser spot size Φ2.5mm@500mm, protection class IP67, measuring range 80-500mm, can be used for reel production monitor, solar panel warpage measurement, control movement of robot arm, small pack missing detection.

Magnetic Cylinder Sensor, Electric Type, 2-Wire

$32.35

SKU: ATO-MCS-ET

The cylinder electric type magnetic sensor is matched with two installation accessories, there are three models of two-wire type, NPN three-wire type, and PNP three-wire type, which are suitable for a variety of cylinders. The maximum switching frequency is 1000HZ, which is easy to use and the electric type cylinder switch's response is very sensitive as well.

Magnetic Float Level Sensor for Alarm Switch

$256.62

SKU: ATO-FS-MRDZ3

Magnetic float level sensor for alarm switch is a float switch composed of magnetic spring switch and floating ball, which is used for detecting the position of the liquid level, stainless steel, contact power rating 10W.

Magnetic Float Level Switch, Stainless Steel

$63.49

SKU: ATO-FS-MRDZ1

Stainless steel magnetic float level switch, optional contact form 1NO or 1NC, is a liquid level sensor composed magnetic spring switch and floater to detecting the position of the liquid level, which is applied in water tank, air condition and chemical liquid level control.

Magnetic Speed Sensor, M18

$270.47

SKU: ATO-MSS-M18

Magnetic speed sensor, M18, adopts a non-contact measurement method, does not need an external power supply. NPN or PNP output signal can be chosen. This speed sensor has no direction requirements, strong anti-interference, and can be used in harsh environments such as smog, oil gas, and water vapor.

Micro Load Cell, S type, 1kg/2kg/3kg/10kg to 50kg

$142.38

SKU: ATO-LC-S03

S type load cell can bear both tension and pressure, with good stability, good output symmetry, high accuracy, low temperature drift, compact structure and complete specifications. Micro load cell is suited to use in restricted spaces.

Microwave Presence Sensor, Ceiling Mount, 5.8GHz, 4-16m

$66.71

SKU: ATO-MPS-CM

Microwave presence sensor detecting movement within a 4–16 m range, using the Doppler principle with a flat antenna to process 5.8 GHz signals and trigger a relay for light control. Designed for ceiling-mount installation.

NDIR CO2 Sensor Module, 0 to 10000 ppm

$126.03

SKU: ATO-GS-CO2-Z14B

High accuracy NDIR CO2 sensor module has optional measuring range of 0~10000ppm, UART/ PWM two output signals are optional. A carbon dioxide sensor is a high-performance product that closely combines mature infrared absorption gas detection technology with precise optical path design and precise circuit design.

Optical Rain Sensor, Pulse/RS485

$149.68

SKU: ATO-RS-O3001

Cost-effective, favorable price optical rain sensor, using internal optical sensing principle to measure rainfall, support RS485 output and pulse output, long transmission distance, signal stability.

ORP Sensor for Water Quality, -1500~+1500mV

$650.79

SKU: ATO-WQS-ORP

Good ORP sensor for water quality for sale, measures -1500 to +1500mV with 1mV resolution and ±6mV accuracy. It operates at 0~65°C, <0.1MPa, and uses a 12~24VDC power supply with 0.2W consumption. Featuring a durable POM housing, RS-485/4-20mA output, IP68 protection, and a 5-meter customizable cable, it is installed via immersion and uses single-point calibration. Ideal for environmental monitoring, water treatment, agriculture, industrial automation, and marine applications.

pH Electrode for Pure Water

$183.49

SKU: ATO-PHELE-6002

Pure water pH electrode for pure water treatment, special glass shell material, 0-100℃ temperature range, direct lead, 6 months service life.

Photoelectric Water Leak Sensor, Wall Mounted, IP68

$67.15

SKU: ATO-WLS-RSSJ5

Factory price photoelectric water leak sensor for sale online, with a detection distance of up to 2000 meters. It operates on a DC 10-30V power supply and features RS485 or (NO) relay output. The sensor is wall-mounted, with a protection level of IP68, dustproof and waterproof, suitable for communication base stations, data centers, and industrial facilities.

Reaction Torque Sensor, Flange to Square Drive, 2/10/30/50/100/200 Nm

$134.92

SKU: ATO-TQS-S03

Torque sensor is a strain gauge sensor for static torque measurement or torque wrench calibration. It can measure both forward and reverse torque. Static torque sensor has one end of flange and the other end of square drive. Reaction torque sensors have a capacity range of 2/10/30/50/100/200 Nm.

Retro-reflective Photoelectric Sensor

$50.22

SKU: ATO-PHOS-RR

Retro-reflective photoelectric sensor consists of light projector and light receiver in one, has long effective distance range with the help of reflective board. The supply voltage is DC 12V-24V (6-36V) or AC 110V-220V (90-250V). Infrared photoelectric sensor can distinguish the opaque reflective object, with less susceptible to interference, fast reaction, long life, high resolution and high reliability.

Right Angle Fiber Optic Sensor

$87.57

SKU: ATO-FIBER-RAS

ATO's high quality right angle fiber optic sensors are available in a variety of sizes: M3*0.5mm, M4*0.75mm, and M6*0.75mm thread sizes, with fiber optic cable lengths of 1m and 2m, and precisely adjustable sensing distances (up to 64mm), making them suitable for complex scenarios.