Level Sensor
Paddle Level Switch for Silo/Tank, SPDT Contact
SUCH-LS-0415
● SPDT contact, power consumption 4W
● Stainless steel blade, Blade speed 1 rpm
● Power supply options 220V AC 110V AC 24V DC
● Used for bulk solids level measurement in tanks, bins, and silos
$103.89
Photoelectric Liquid Level Sensor, PNP/ NPN
SUCH-LS-IR1902D
● Three-wire connection with M12 threaded mounting
● NPN or PNP signal output
● Standard type and high temperature resistant type available
● Infrared photoelectric detection principle, suitable for impure or adhesive liquids
$105.99
RF Admittance Type Level Switch for Solids, SPDT Contact
SUCH-LS-L2000
● SPDT output type, contact capacity 250V AC 5A
● Optional supply voltage 220V AC or 24V DC
● Power consumption up to 2.5W
● Suitable for liquids, solids, and slurries level measurement in silos and containers
$184.79
Rotary Paddle Level Switch for Silo/Tank, Stainless Steel Blade
SUCH-LS-004
● Voltage options 220V AC, 110V AC or 24V DC
● Blade speed 1 rpm
● Operating temperature range -20℃ to 80℃
● Suitable for bulk solids and powders level measurement in tanks and silos
$85.95
Stainless Steel Photoelectric Level Sensor for Water/Liquid, PNP/ NPN
SUCH-LS-IR2102D
● Stainless steel material with an infrared photoelectric measuring principle
● 1/4 NPT thread type, output signal NPN or PNP
● Maximum current consumption less than 15mA
● Suitable for pure, impure, and adhesive liquids level measurement
$129.99
Ultrasonic Level Sensor for Water/Liquid, 4-20mA
SUCH-ULS-05
● Measuring range from 0 to 1/2/3/4/5m
● Output signal 4-20mA, 2-wire
● Protection rating IP65 or IP68
● Compatible with water and various liquids
$130.12
Ultrasonic Tank Level Sensor for Liquid/Solid/Powder, 0-40M
SUCH-ULS-ZP
● Measuring range 0-5m, 0-10m, 0-15m, or 0-40m
● Output signal 4-20mA, RS485, or 2 relays
● Power supply DC 12–16V, DC 24–28V, AC 220V, or built-in battery
● Suitable for liquid, solid, or powder measurement in tanks
$475.98
Vibrating Rod Level Switch for Powder/Tanks/Solids, SPDT Contact
SUCH-LS-100
● Supply voltage optional 220V AC or 24V DC
● SPDT contact capacity 250V AC 30V DC 5A
● Power consumption 2.5W
● Point level measurement for solids and powders in tanks, silos, and containers
$327.99
Wireless Submersible Water Level Sensor, IoT-NB/4G/LoRaWAN
SUCH-LS-1007101
● Measurement range of 0-3m/5m/10m
● Measurement accuracy ±0.5%FS or ±1%FS
● Communication methods NB-IoT/4G/LoRa
● Remote cloud real-time and historical data monitoring
● IP68 protection level submersible probe
● Suitable for measuring water, diesel oil, and similar liquids
$393.12
Capacitive Fuel Level Sensor for Diesel & Hydraulic Oil, 0-2000mm
SUCH-CLS-700201
● Measuring range 0 to 2000mm
● Optional outputs 4-20mA, 0-5VDC or 0-10VDC
● Direct wire or M12 connector connection methods
● Protection rating IP65, Suitable for diesel & hydraulic oil
$470.69
Non Contact Ultrasonic Water Tank Level Sensor, 0.5-1.5M
SUCH-ULS-LLD
● Working voltage DC12~48V and measuring range 0.5m to 1.5m
● Protection level IP67 dustproof and waterproof
● Optional communication interface RS232 or RS485
● Installed outside the bottom of the water tank
$725.99
Bluetooth Ultrasonic Fuel Level Sensor, RS232/RS485/0-5V
SUCH-ULS-UL212-E
● Non-contact ultrasonic reflection from the liquid-air interface
● Communication interface RS232 and RS485 serial output
● Wireless communication Bluetooth, analog output signal 0-5V
● Measuring fuel, water, and other liquids in tanks
$152.94
Capacitance Probe Level Sensor for Liquid/Powder
SUCH-CLS-12NPFL
● Power supply 12-24V DC
● Signal output NPN+PNP
● Operating temperature range -25℃ to 70℃
● Suitable for high and low viscosity liquids with low corrosivity, such as glue, lubricating oil, and ink
$95.29
Digital Non Contact Capacitive Liquid Level Sensor for Pipeline
SUCH-CLS-1326NP-S
● Non-contact capacitive level sensor suitable for non-metallic pipes
● Pipe outer diameter range Φ6-13mm and Φ13-26mm available
● Supports NPN + PNP output
● Supply voltage 12-24V DC
$99.51
Non Contact Ultrasonic Liquid Level Sensor for Fuel/Oil
SUCH-ULS-U02V1.0
● Works with 12V-48V DC power supply and ≤25mA current
● Provides a measurement range of 5-100cm
● Supports RS232, RS485, and 0–5V output signals
● Suitable for liquid level measurement in fuel, oil, and water tanks
$167.69
Non Contact Ultrasonic Water Level Sensor, Split Type, RS485/4-20mA
SUCH-ULS-ULSB
● Split-type design, non-contact ultrasonic level measurement
● Measurement ranges up to 5m, 10m, or 15m
● Automatic temperature compensation for improved accuracy
● Suitable for liquid and solid level applications
$572.59
Smart Wireless Ultrasonic Level Sensor for Water Tank, WiFi/Zigbee
SUCH-ULS-ME201W
● Measuring range 0-5m
● 2.4G WiFi and Zigbee 3.0 smart wireless communication
● Real-time liquid level monitoring via mobile APP
● IP65 waterproof design
● Used for household water tanks and small industrial liquid storage containers
$97.65
Stainless Steel Capacitance Type Level Transmitter for Hydraulic Oil
SUCH-CLS-GLTV7S
● Measuring range up to 100-1400mm selectable
● Stainless steel and corrosion resistance for hydraulic oil
● Power supply 5V DC or 9-36V DC
● Output signals 4-20mA and RS485
$166.91
Waterproof Ultrasonic Water Level Sensor, Non Contact, IP67
SUCH-ULS-700CS03
● Non contact measurement, IP67 waterproof rating
● Measuring range 0-5/10/15/20/25/30 m
● RS485 communication, Modbus RTU protocol, optional 4-20mA output
● Suitable for river water, sewage, slurry, and sludge level measurement
$232.35
Capacitive Water Level Sensor for Pipeline Level Measurement
SUCH-CLS-CE15
● Capacitive water level sensor with IP67 protection rating
● Switching frequency 60 Hz, ambient temperature range -10℃ to 55℃
● Measuring water, liquids, and colloids easily
● LED output indicator, suitable for 12-26mm pipelines
$180.67
Level sensors are devices used to detect and monitor the level of liquids or bulk solids in tanks, silos, pipelines, and open containers. They play a critical role in industrial automation, process control, and safety monitoring by providing accurate level information for a wide range of applications, including water treatment, chemical processing, food and beverage production, oil and gas extraction, and manufacturing.
SUCH provides a comprehensive selection of level sensors designed to meet diverse process conditions, such as high temperatures, pressures, corrosive media, and varying dielectric properties.
- Capacitive Level Sensor: Capacitive level sensors measure level changes based on variations in capacitance caused by different media. They are suitable for liquids, powders, and granular materials, especially in applications requiring high sensitivity and compact design.
- Radar Level Sensor: Radar level sensors use microwave signals to measure the distance to the material surface. They offer high accuracy and reliability under harsh conditions, including high temperature, high pressure, dust, and vapor, making them ideal for industrial and outdoor applications.
- Ultrasonic Level Sensor: Ultrasonic level sensors emit high-frequency sound waves and calculate the level based on the echo time. They are commonly used for non-contact level measurement of liquids and solids in open or closed tanks, providing easy installation and cost-effective performance.
In addition, SUCH also offers a wide range of level sensing solutions designed for both liquid and solid level measurement. The product includes submersible level sensors for continuous liquid level monitoring, hydrostatic level sensors for pressure-based level measurement, and magnetostrictive level sensor for high-precision applications.
For level point detection and process control, we provide various level switch, including tuning fork level switch, vibrating rod level switch, paddle level switch, electrode level sensor, RF admittance level switch, and photoelectric level sensor. These devices are suitable for diverse media such as water, oil, chemicals, powders, granules, and bulk solids, and can operate reliably under challenging conditions involving high temperature, pressure, dust, or corrosive environments.
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