Sensors

This refrigerant gas sensor uses NDIR technology to detect 0~100% LFL R454B/ R290 refrigerant gas with 1% resolution and ±3.75% accuracy. It operates on DC 3.6V~5.0V, consumes <85mA, and provides fast T90 ≤30s response with data updated every second. With a 10-year lifespan, it works in -20°C to 70°C, 0~95% RH, and 75~120 kPa pressure. Application for air conditioning refrigerant leak detection, industrial refrigeration systems, HVAC monitoring.

Low price outdoor ambient temperature sensor for sale, with a robust construction and versatile output signal options (4~20mA and RS485). This temperature sensor adapts to various monitoring systems, operates efficiently within a wide power supply range of 12~36VDC and delivers accurate readings across an extended measurement range from -50℃ to 100℃. Ideal for environmental monitoring in commercial and residential buildings, weather stations, smart homes, hospitals, clean rooms, and agriculture, including greenhouses, aquaculture, and livestock industries.

Low price pin load cell has a measuring range of 0-2 ton, 0-5 ton, 0-10 ton, 0-100 ton etc. and a sensitivity of 2.0 ± 0.01 mV/V. With an input impedance of 350 ± 20Ω and output impedance of 350 ± 5Ω. Load cell supports safe overloads up to 150% F.S. and ultimate overloads up to 300% F.S. The recommended excitation voltage is 5-15V, and the pin type load cell comes with a φ5×3m cable and a cable tension strength of 98N. It's hollow shaft structure is compact and robust.

Factory price radar level sensor is a non-contact measurement for measuring various highly corrosive liquids. Measuring range from 0 to 20m, selectable output signal of 4-20mA, RS485 or 4-20mA+HART, power supply of DC 12-24V or AC 220V, flange installation of DN50~DN200. Radar level transmitter consists of protection head with LCD display, waterproof connectors, internal radar antenna, and installation accessory.

This advanced NDIR refrigerant gas sensor is designed for precise and reliable detection of R454B (an A2L-class hydrofluoroolefin) at concentrations ranging from 0 to 100% LFL. It utilizes non-dispersive infrared (NDIR) technology, ensuring high accuracy, excellent linearity, and long-term stability without drift.It's ideally suited for leak detection in HVAC/R systems, industrial refrigeration, and safety monitoring applications.

The NDIR Refrigerant A3 R290 Gas Sensor is a high-performance industrial sensor designed for detecting propane (R290) concentrations from 0 to 100% LFL. Utilizing non-dispersive infrared (NDIR) technology, it offers high accuracy, and excellent linear output to interference from water vapor and other gases. This compact and robust sensor is ideal for leak detection, environmental monitoring, and safety applications in various industrial and commercial settings.

Industrial high temperature sensor is a thermocouple temperature sensor with a measurement range of -50 to 500°C and an accuracy level of 1/3B. The good temperature sensor is available in various insertion depths: 175mm, 195mm, 245mm, 295mm, 345mm, and 445mm. Its output method is a Pt100 current in digital format, ideal for industrial gas, Industrial equipment, HVAC.

Buy low-pressure transmitter online, suitable for low pressure measurement in the range of -1~6 bar (-100~600kPa), providing 4-20mA, 0.5-4.5VDC, 0-5VDC, 0-10VDC signal output options. With IP65 protection level, the device can operate stably in harsh environments, and supports multiple pressure interfaces such as M20*1.5, G1/4, NPT1/4, etc., which can be customized according to needs.

Economical price radar level sensor is a non-contact measurement. The non-contact level sensor supports a measuring range of 0–12m or 0–15m for powder, 0–18m or 0–20m for granules, and up to 20m for chunks, with output options of 4–20mA, RS485, or 4–20mA+HART. It can be powered by DC 12–24V or AC 220V. Radar level transmitter consists of protection head with LCD display, waterproof connectors, internal radar antenna, horn and installation accessory for measuring various solids.

The small donut load cell is available in 5kg, 10kg, 20kg, 50kg, and 100kg capacities and features a compact through-hole design with strong resistance to off-center loading. This load cell has a 4-wire configuration, 0.5% F.S. accuracy, 2.0 ± 10% mV/V output sensitivity, and reliable operation within a temperature range of −20 °C to 80 °C.

Buy a stainless steel pressure sensor for air/water/oil pressure measurement, comes with optional 0~10kPa, 0~20kPa, 0~50kPa, 0~100kPa, -100~0kPa, -100~100kPa measuring range, 4-20mA/0-5V/1-5V/0-10V/RS485 output signals, and DC 12V, DC 24V, or DC 12-36V power supply.

Radar level sensor is a non-contact solid measurement at factory price. The electronic level sensor offers a measuring range of 0–10m, 0–20m, or 0–35m for powders; 0–12m, 0–25m, or 0–40m for granules; and 0–15m, 0–25m, or 0–40m for chunks. It supports selectable output signals of 4–20mA, RS485, or 4–20mA+HART, power supply of DC 12-24V or AC 220V, installation of DN80, DN100 or DN125 flange. The level sensor features an aluminum shell, a 304 stainless steel process connection, and a 304 stainless steel horn.

Higher quality vinyl chloride (C2H3Cl) gas sensor has two ranges to choose from 0~20ppm or 0~100ppm. This electrochemical three-electrode gas sensor has a maximum load concentration of 50 PPM, a sensitivity of 450±200 nA/PPM, a bias voltage of +300mV, a resolution of 0.5 PPM, and supports a load resistance of 5~30Ω.

Waterproof temperature sensor sold at a discount, use with liquids or gases. It utilizes a 1xPt100 measuring element (1/3B accuracy level) and offers insertion depths of 30mm, 50mm, 100mm, 150mm, 200mm, and 300mm. With an IP68 protection level, it is ideal for harsh environments, offering an accuracy grade of 0.5%FS (default) or an optional 0.25%FS. Application for hydraulic system, industrial gas, Industrial equipment.

Low price digital wall temperature sensor for water/air with a measurement range of -50 to 200°C or -200 to 100°C. It supports output options like 4~20mA, RS485, and Pt100. The temperature sensor has an 18-second response time, ±0.1% FS stability per year, and a 400ms transmission time. It features an IP65-rated ABS housing and IP68-rated 304 stainless steel probe. With an accuracy of 0.5% FS (optional 0.25% FS) and resolutions of ±0.02% FS (analog) or ±0.1°C (digital), it’s ideal for precise temperature monitoring.

Low price methanol (CH3OH) gas sensor for sale. This CH3OH gas sensor can detect methanol gas in the 0 to 100 PPM range and offers a maximum load concentration of 200 PPM. The gas sensor has a sensitivity of 200±100 nA/PPM, suitable for methanol detector, industrial site methanol gas detection, intelligent municipal methanol detection, fuel cell, methanol detection in the field of brewing.

Affordable price radar level sensor is a non-contact solid measurement. Radar level transmitter consists of protection head with LCD display, waterproof connectors, internal radar antenna, and installation accessory. The level sensor offers a measuring range of 0–30m or 0–45m for powders, and up to 50m for granules and chunks. Radar level sensor supports selectable output signals of 4–20mA, RS485, or 4–20mA+HART, with power supply options of DC 12–24V or AC 220V. It features flange installation and a resolution of 1mm.

Through hole ring design, the ring load cell has a strong load capacity and is suitable for weighing tasks from 0-50kg/200kg/500kg to 5000kg. Fully sealed alloy steel construction for long-lasting operation in complex industrial environments.

Higher quality ring torsion compression load cell for sale, measuring ranges from 1 ton to 150 ton are available. This compression load cell offers a sensitivity of 2.85mV/V and a comprehensive accuracy range between 0.05% to 0.1% FS. The weight load sensor with a creep specification of ±0.05% FS over 10°C and zero balance at ±1% FS. Used in truck scales, tank and silo weighing, and industrial automation systems for precise force measurement.

Digital laser level meter for sale online with digital LCD display. The radar level meter with G1.5/ DN50 connection size for selection, 304/ 316 stainless steel material can be chosen. Electronic laser level meter with 0.02m~100m wide range measuring distance. The laser radar level meter features a 4–20mA analog output and a protection grade of IP67 for level measurement in harsh environments and is used in industries such as pharmaceutical production, environmental protection, and recycling.