Sensors

High-quality gas sensor has good sensitivity to flammable gases and smoke from 300ppm to 10000ppm. This combustible gas sensor has long life, low cost and simple drive circuit, used for household gas leak alarms, industrial combustible gas alarms and portable gas detectors.

ATO formaldehyde (CH2O) gas sensor, now on sale, offers precise detection with a 50 ppm load concentration and 0.55 ± 0.15 μA/ppm sensitivity at 20°C. Engineered for stability with <1 ppm baseline drift and 0.1 ppm resolution, it operates from -20°C to +50°C, ideal for home environmental monitoring and industrial safety. Act now to secure this high-quality CH2O sensor at a competitive price.

Water flow switch is a flow sensor which consists of magnetic core, external case and reed switch, G1/2 thread, 50W, optional flow rate 15, 30, 50 L/min, reliable components of the reed switch with low price.

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.

Hall effect current sensors are AC/DC universal current sensors, with split-core structure, 5us fast response time, 1.0%FS accuracy, 0-5V/ 0-±5VDC output signal, ±15V power supply, fixed installation. Open loop current sensors are widely used for AC and DC current monitoring, system signal acquisition and feedback control.

There are two types of high temperature top plunger limit switch, one has a sealed top ball plunger and the other has a sealed top plunger without ball. The top plunger can reset automatically. High temperature limit switch can be used in the environment temperature 350℃ (622℉). The rated current and voltage are customizable, such as 10A/120VAC, 2A/48VDC, etc. The default value is 5A/220VAC. It also has fully enclosed 1NO + 1NC contact switches, which is casting from high temperature resistant material.

Hot selling Hydrogen Sulfide H2S gas sensor is an electrochemical sensor. With fast response, strong stability, high linearity, and low power consumption, this gas sensor is suitable for Hydrogen Sulfide detection in industrial sites and environmental protection fields, portable H2S detection monitors and fixed H2S detectors, etc.

Aluminum alloy rail type magnetostrictive displacement sensor for measuring linear displacement, external installation, compact structure, easy to use, good security, suitable for CNC machinery worked in large vibration.

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.

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.

Buy an O2 sensor for Oxygen gas detection. Electrochemical working principle, 0~100% measurement range, strong anti-interference ability, fast response speed. 3 types of Oxygen (O2) gas sensors can work without an external power supply and are available to choose from according to your application area.

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.

Phosphine (PH3) gas sensor for sale with a good price, has resolution of 0.1ppm, detecting range of 0-20ppm. Digital output signal, principles of electrochemical three-electrode technology. Tolerance ≤±3%, repeatability ≤±1%. Standard MODBUS communication protocol, compatible with infrared, electrochemical, catalytic, semiconductor and other sensors. Widely used in the production of various portable and fixed gas detection equipment, as well as all kinds of occasions and equipment that require gas detection.

Round type through beam photoelectric sensor is used to detect the presence or absence of an object by transmitting a light beam from one side of the detection area to a receiver on the opposite side. Infrared photo electric switch can distinguish opaque reflective objects, with 5m detection distance and DC 12-24V power supply, less susceptible to interference.

Economical price radar level sensor is a non-contact measurement. Measuring range: power 0-12m or 0-15m, granules 0-18m, 0-20m, chunks 0-20m, selectable output signal of 4-20mA, RS485 or 4-20mA+HART, power supply of DC 12-24V or AC 220V, installation of G1-1/2"A thread or flange. Radar level transmitter consists of protection head with LCD display, waterproof connectors, internal radar antenna, horn and installation accessory for measuring various solids.

The radar rain gauge sensor uses a advanced small flat panel radar module, using 24GHz Doppler radar wave technology to measure the rate of falling rainfall droplets, supports communication RS485 and RS232 output options, compared with the traditional mechanical rainfall detection methods, more sensitive and faster to detect the beginning and end of the rainfall, and do not have to worry about objects such as leaves and other objects to cover, and do not need to heat up the rain sensor to prevent ice.

Semiconductor gas sensor can detect Propane (C3H8) and smoke at the same time, good sensitivity to LPG, smoke range 200ppm to 10000ppm, long service life and simple circuit. Cheap smoke gas sensor is suitable for use in household smoke leak alarms, industrial smoke gas alarms and portable smoke detectors.

Smoke sensor module uses advanced chip thick film semiconductor gas sensors, which have extremely high sensitivity to smoke, propane, and other gases, TTL level output, self-diagnosis of faults, low power consumption, and long life. Cost-effective smoke sensor module is widely used in Household smoke alarms, industrial smoke alarms and portable smoke detection instruments.

The soil moisture and temperature sensor measures soil temperature from -40 to 80°C, soil moisture levels from 0 to 60% VWC, pH values from 3 to 10 (with an accuracy of ±0.3), and essential nutrients such as Nitrogen, Phosphorus, and Potassium (N-P-K) from 0 to 2000 mg/kg (with ±2% accuracy). It also measures electrical conductivity (EC) from 0 to 20000 µS/cm and salinity up to 10000 mg/L. This IP68-rated sensor is durable and corrosion-resistant, with a stable 304 stainless steel electrode for harsh environments.

Temperature and humidity transmitter adopts a digital temperature and humidity sensor, and converts air temperature and humidity into 0-10V standard signal. Industrial temperature and humidity transmitter has explosion-proof aluminum alloy housing, metal filter screen, wide measuring range, high measurement accuracy in high-low temperature and humidity, fast response, excellent long-term stability and anti-chemical pollution.