Level Sensor | Sensors

US APG Loop-Powered Ultrasonic Level Sensor - LPU-2127 Series

The LPU-2127 series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids, is loop-powered, and enables long-distance continuous measurement. It is mainly used in industry, defense, biomedicine, and other fields.

US APG Ultrasonic Level Sensor (Network Application) - LOE Series

The LOE series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids; it is suitable for remote level measurement and can be directly installed in Ethernet cables for remote measurement over the network. It is mainly used in industry, defense, biomedicine, and other fields.

US APG Ultrasonic Level Sensor - IRU-9400 Series

The IRU-9400 series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids and includes automatic temperature compensation; it is particularly effective for non-reflective or soft-surface measurement objects and is recommended for indoor use. It is mainly used in industry, defense, biomedicine, and other fields.

US APG Ultrasonic Level Sensor - IRU-6429 Series

The IRU-6429 series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids; it also has automatic compensation for humidity, temperature, oscillation, etc., and is unaffected by external factors. It is mainly used in industry, defense, biomedicine, and other fields.

US APG Ultrasonic Level Sensor - IRU-3430 Series

The IRU-3430 series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids; it also has automatic compensation for humidity, temperature, oscillation, etc., and is unaffected by external factors. It is mainly used in industry, defense, biomedicine, and other fields.

US APG Ultrasonic Level Sensor - IRU-2420 Series

The IRU-2420 series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids; it also has automatic compensation for humidity, temperature, oscillation, etc., and is unaffected by external factors. It is mainly used in industry, defense, biomedicine, and other fields.

US APG Ultrasonic Level Sensor - IRU-2000 Series

The IRU-2000 series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids; it is mainly used in industry, defense, biomedicine, and other fields.

US Automated Ultrasonic Level Sensor - Sonix-1000, 2000 and 3000

The Sonix-1000, 2000 and 3000 ultrasonic level sensors feature non-contact monitoring, simple design for easy use, self-adjustment, no calibration, no programming, no maintenance, and a variety of heavy-duty, sealed, and explosion-proof sensors.

US Automated Ultrasonic Level Sensor - Sonix-40 and 50

The Sonix-40 and 50 ultrasonic level transmitters continuously monitor level and provide a 4-20mA current proportional to the level. They do not contact the liquid. The current output can be connected to programmable controllers, remote displays, computers, chart recorders, etc. They feature non-contact sensing, no maintenance, switch calibration, easy installation, temperature compensation, and automatic adjustment of beam width and gain.

UK SST Level Sensor / Level Switch - LLG710D3L24-00X

Features: The level switch can detect almost all liquids, oil or water. Suitable for harsh environments, rugged stainless steel. Optional mounting threads.

Continuous Level Sensor - UL-1000 /2000/3000

The UL-1000 series continuous level sensor has a sealed, corrosion-resistant PVC housing (standard) or 316 stainless steel. The sensor must be installed above the maximum liquid level in the tank and must not contact the liquid. The monitor directly transmits ultrasonic signals to the monitored surface and measures the time for the reflected echo to return. The time is converted into the depth or level of the liquid in the tank, ensuring accurate measurement over the entire range.

Photoelectric Level Switch LLE101101, LLE102101, LLE103101, LLE205100 - LLE Series

The LLE series enhanced photoelectric level switches use phototransistor triggers to provide a digital output indicating the presence or absence of liquid. This series provides reverse polarity, overvoltage, short circuit, and transient protection.

US Automated Level Sensor - UL-100

The UL-100 level sensor continuously monitors the level in a liquid tank and outputs a 4-20mA current proportional to the level. The monitor does not contact the liquid. The current output can be connected to programmable controllers, computers, remote displays, or relay modules, displaying the tank level.

UK SST Highly Corrosion-Resistant Photoelectric Level Sensor / Photoelectric Level Switch - LLG810D3-003

The LLG810D3-003 is a highly corrosion-resistant stainless steel photoelectric level switch suitable for xylene solvents, electrolyzed water, and other applications. It offers better performance and lower price than GEMS' ELS-1150.

US SENIX Corrosion-Resistant Level Sensor - ToughSonic CHEM 20

The corrosion-resistant level sensor ToughSonic CHEM 20 is suitable for applications with corrosive liquids or gases, but it is also a good choice for benign environments. It is the shorter range model in the ToughSonic CHEM sensor series with a range of 20 feet (6.1 meters).

UK SST POS Series Photoelectric Level Sensor - POS Series

POS level sensors provide single-point level detection with NPN or PNP output signals. When the sensor output is on, the output can sink or source up to 200mA, directly driving incandescent indicators, audible alarms, relays, etc.

UK SST Level Sensor / Level Switch - LLG610D3L24-00X

Features: The level switch can detect almost all liquids, oil or water. Suitable for harsh environments, rugged stainless steel. Optional mounting threads.

UK SST High-Temperature Photoelectric Level Sensor / Photoelectric Level Switch - LLHPA650L1

The high-temperature photoelectric level sensor LLHPA650L1 provides single-point detection with multiple output signals, suitable for various applications. It is especially used in corrosive environments, resistant to high and low temperatures, mechanical shock, and large switching currents.

Level Sensor - LM

The LM level sensor uses a patented stainless steel sensor housing combined with plastic process connections to measure the level of water and other liquids. The design is flexible to meet various customer requirements for process connections. LM level sensors are used in marine water level maintenance, irrigation systems, RVs, water storage and circulation systems, small tank levels, coolers, and steam condensation equipment.

Honeywell Photoelectric Level Switch LLE Series Replacement - LLE101000

Honeywell Photoelectric Level Switch LLE Series Replacement

UK SST Level Switch Level Sensor Honeywell LLE Series Replacement - LLC101000

Level sensor that can detect almost all liquid types; oil-based or water-based. Mounting options: internal or external. Different thread options. Low power consumption. Low cost. Compact design.

Single Point Level Switch - ELS-1100 Series

ELS1100 sensors provide ±1 mm repeatability and broad media compatibility. They are fully suitable for liquids rich in calcium oxide and impurities.

Single Point Level Switch - ELS-1100TFE Series

When the purity of the measured liquid is very high or the sensor's own corrosion resistance requirements are high, the ELS-1100TFE will be your ideal choice.

Capacitive Level Gauge - CAP-100 Series

The CAP-100 series capacitive level gauge provides level sensing solutions for various bottle-type containers made of plastic, glass, fiberglass, etc.

Single Point Level Switch - ELS-950 Series

The ELS-950 is the smallest photoelectric level sensor.

Smart Water Level Overlimit Monitoring Sensor - CS-iWM-03

The smart water level overlimit monitoring sensor CS-iWM-03 is installed at the wellhead of a drainage well to monitor in real time whether the water level exceeds the set water surface height. When the water level exceeds the limit, the float level switch state changes. The state quantity is processed by the MCU and sent via GPRS as an alarm. When the water level returns to normal, a normal signal is sent to the monitoring center for timely alarm processing and rescue.

US SENIX Corrosion-Resistant Level Sensor - ToughSonic CHEM35

The corrosion-resistant level sensor ToughSonic CHEM 35 is suitable for applications with corrosive liquids or gases, but it is also a good choice for benign environments. It is the shortest range model in the ToughSonic CHEM sensor series with a range of 35 feet (10.7 meters).

Single Point Level Switch - ELS-1100HT Series

The ELS-1100HT is slightly larger than the ELS-1100. The 'HT' series high-temperature products are made of a high-performance Isoplast plastic. These products not only have good chemical stability but can also withstand liquid temperatures up to 212°F (100°C).

Single Point Level Switch - ELS-1100FLG Series

The simplest solution for thin-walled containers 1/4" thick (6 mm): ELS-1100FLG series level switches. The sanitary flange series requires no threaded hole for installation. Insert into a 0.75" (19 mm) hole and tighten the nut; the high-quality gasket ensures a seal. This is an ideal choice for thin metal walls, injection-molded containers, and medical applications.

Coolant Level Sensor - CAP-300

The CAP-300 capacitive level sensor is one of our most reliable and durable single-point level sensors.

Capacitive Level Switch - CAP-200 Series

The CAP-200 series is easy to connect directly to a 1/2" NPT fitting, simple to use, and is the most suitable level sensing solution for a variety of metal and non-metal tanks.

US SMD Fluid Switch High-Pressure Stainless Steel Photoelectric Level Sensor - OS150

The OS150 stainless steel photoelectric level sensor is designed for high-pressure water and level sensing, capable of measuring with 1/16" accuracy.

UK SST Highly Corrosion-Resistant Photoelectric Level Switch - LLT200D3SH

The UK SST highly corrosion-resistant photoelectric level switch LLT200D3SH is widely used in medical embedding machines and printer ink detection.

UK SST Industrial-Grade Photoelectric Level Sensor / Photoelectric Level Switch - LLC210D324-003

The LLC210D324-003 is a photoelectric level sensor / photoelectric level switch with single-point detection, certain corrosion resistance, high sensitivity, high/low level output, and large output current, capable of directly driving incandescent lamps, audible alarms, relays, and other alarm devices.

UK SST Industrial-Grade Photoelectric Level Sensor / Photoelectric Level Switch - LLC200D324-003

The LLC200D324-003 is a photoelectric level sensor with single-point detection, certain corrosion resistance, high sensitivity, high/low level output, and large output current, capable of driving incandescent lamps, audible alarms, relays, and other alarm devices.

UK SST Low-Cost Photoelectric Level Sensor / Photoelectric Level Switch - LLC200A3SH

The LLC200A3SH is a low-cost photoelectric level sensor with a wide supply range: 3.3~24VDC, high sensitivity, and small size, making it very suitable for vending machines, water pumps, oil level monitoring, and other applications.

US APG Ultrasonic Level Sensor - IRU-5000 Series

The IRU-5000 series ultrasonic level sensor is developed based on the characteristics of ultrasonic waves; it features high frequency, short wavelength, minimal diffraction, especially good directivity, and can propagate as directional rays. It has strong penetration ability for liquids and solids; it also has automatic compensation for humidity, temperature, oscillation, etc., and is unaffected by external factors. It is mainly used in industry, defense, biomedicine, and other fields.

UK SST Level Switch Level Sensor Optomax Industrial Series - LL Industrial Series

UK SST Level Switch Level Sensor Optomax Industrial Series

UK SST Level Switch Level Sensor - LLHT Series

UK SST Level Switch Level Sensor LLHT Series

UK SST Level Switch Level Sensor Optomax Industrial Glass Series - LLG Series

UK SST Level Switch Level Sensor Optomax Industrial Glass Series

Single Point Level Switch - ELS-950M Series

The ELS-950M series is a very small photoelectric level switch with broad media compatibility, including various liquids on construction machinery and equipment.

Single Point Level Switch - ELS-1150 Series

The ELS-1150SS is a stainless steel photoelectric level switch on the market with excellent corrosion resistance, suitable for acids, solvents, electrolyzed water, and other applications. The high-temperature version can withstand temperatures up to 257°F (125°C).

Multi-Tank Ultrasonic Level Sensor - Model UC-4000

The multi-tank ultrasonic level sensor Model UC-4000 is smart enough to monitor up to 9 liquid tanks of any size without calibration. It automatically scans all tanks and sequentially displays the level, volume, or optional weight of each tank.

UK SST Highly Corrosion-Resistant Photoelectric Level Sensor / Photoelectric Level Switch - LLG810D3L24-003

The LLG810D3L24-003 is a highly corrosion-resistant photoelectric level sensor, especially resistant to strong corrosive liquids such as formalin. The operating voltage is 8~30VDC, with high/low level output, making it very suitable for cell embedding machines.

UK SST Highly Corrosion-Resistant Photoelectric Level Sensor / Photoelectric Level Switch - LLG210D3L24-003

The LLG210D3L24-003 is a highly corrosion-resistant photoelectric level sensor, especially resistant to strong corrosive liquids such as formalin. The operating voltage is 8~30VDC, with high/low level output, making it very suitable for cell embedding machines.