Liquid Level Sensors

Liquid level sensors detect and monitor the level of fluids in tanks, containers, or pipelines. At Ocean Controls, our liquid level sensors are ideal for water treatment, industrial process control, and tank monitoring applications. They provide accurate, real-time measurements to help automate fluid management, prevent overflows or dry runs, and improve system efficiency.

  • Fuel Level Sensor with 4-20mA - 0-850mm - Output for Diesel and Oil Tanks

    Fuel Level Sensor with 4-20mA - 0-850mm - Output for Diesel and Oil Tanks

    SKU:RKS-060
    Available for backorder

    RKL-04 Capacitive Liquid Level Transmitter with 4-20mA out. Measuring Range of 0-850mm.

    • $230.23
    Sorry, we only have 999999 of that item available
  • Level Probe with 3x1 m Stainless Steel Probes and Compact Holder

    Level Probe with 3x1 m Stainless Steel Probes and Compact Holder

    SKU:NTS-050
    In stock(2 items available)

    3×1 m long conductive level probes come with probe holder.

    • $101.14
    Sorry, we only have 999999 of that item available
  • Liquid Level Sensor Detector 5~12V Powered NPN Output

    Liquid Level Sensor Detector 5~12V Powered NPN Output

    SKU:HEI-140
    Available for backorder

    A budget priced level sensor for detecting high and low levels of water in plastic and glass vessels or tanks.

    • $11.04
    Sorry, we only have 999999 of that item available
  • Submersible Water Level Sensor, Ursalink EM500-SWL 0-5m

    Submersible Water Level Sensor, Ursalink EM500-SWL 0-5m

    SKU:ULC-018
    In stock(2 items available)

    EM500-SWL-L005 level sensor is a long range wireless sensor compatible with standard LoRaWAN protocol. Combining with the advanced LoRa technology and 19000mAh battery make it a low power consumption product with years-long use life. It is designed to provide convenience of direct submergence in liquids for up to 5m reliable level measurement.

    • $302.94
    Sorry, we only have 999999 of that item available
  • TL400-I Level Sensor

    TL400-I Level Sensor

    SKU:NOL-001
    In stock(4 items available)

    The TL400-I stands out as an advanced sensor for measuring level and volume, utilizing a non-intrusive method ideal for detecting liquids, grains, fluids, and bulk solids in both stationary and dynamic settings. Utilizing a low-power laser beam, it conducts numerous measurements per second, while an advanced algorithm accurately calculates level, converting it into volume and distance across different units.

    **Comes with an M12 Plug-in 2m cable with 4 wires.

    • $174.02
    Sorry, we only have 999999 of that item available
  • ToughSonic 100  Ultrasonic Sensor 30'  - 9.1 Meter (RS-232)

    ToughSonic 100 Ultrasonic Sensor 30' - 9.1 Meter (RS-232)

    SKU:SNS-0310
    In stock(3 items available)

    The ToughSonic 100 14' Range, 1.5" NPT front and rear threads ultrasonic sensor, TS-100.30C1X.007FB, measures level and distance through the air using ultrasonic sound waves up to a distance of 30 feet (9.1 Meters), and 2 meters cable (6.5ft).

    These rugged, compact ultrasonic sensors live up to the “ToughSonic” name. Versatile liquid level sensors feature heavy-duty electronics that are epoxy-potted into 316 stainless steel housings.


    *TS-100.30C1X.007FB... (1.5" NPT front and rear threads, RS-232 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

    • $837.16
    Sorry, we only have 999999 of that item available
  • ToughSonic 100 Ultrasonic Sensor - 3' Range RS-485

    ToughSonic 100 Ultrasonic Sensor - 3' Range RS-485

    SKU:SNS-020
    In stock(2 items available)

    The ToughSonic 100 3' Range, 30mm Thread ultrasonic sensor, TS-100.03A1X.0xxFA, measures level and distance through the air using ultrasonic sound waves up to a distance of 3 feet (91 centimeters).

    These durable and compact ultrasonic sensors truly embody the “ToughSonic” name. These liquid level sensors are designed for versatility and include robust electronics securely epoxy-potted within corrosion-resistant 316 stainless steel housings.


    *TS-100.03A1X.0xxFA.. (30mm threaded, RS-485 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

    • $795.53
    Sorry, we only have 999999 of that item available
  • ToughSonic 100 Ultrasonic Sensor - 30' Range RS-485

    ToughSonic 100 Ultrasonic Sensor - 30' Range RS-485

    SKU:SNS-030
    In stock(2 items available)

    The ToughSonic 100 14' Range, 1.5 in NPT front and rear threads ultrasonic sensor, TS-100.30C1X.0xxFA, measures level and distance through the air using ultrasonic sound waves up to a distance of 30 feet (9.1 Meters).

    These rugged, compact ultrasonic sensors live up to the “ToughSonic” name. Versatile liquid level sensors feature heavy-duty electronics that are epoxy-potted into 316 stainless steel housings.


    *TS-100.30C1X.0xxFA... (1.5 in NPT front and rear threads, RS-485 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

    • $837.16
    Sorry, we only have 999999 of that item available
  • ToughSonic 100 Ultrasonic Sensor - 30ft (9.1m) Range, RS-485

    ToughSonic 100 Ultrasonic Sensor - 30ft (9.1m) Range, RS-485

    SKU:SNS-060
    In stock(1 item available)

    The ToughSonic 100 14' Range, 1.5 in NPT front and rear threads ultrasonic sensor, TS-100.30C2X.xx7FA, measures level and distance through the air using ultrasonic sound waves up to a distance of 30 feet (9.1 Meters).

    These rugged, compact ultrasonic sensors live up to the “ToughSonic” name. Versatile liquid level sensors feature heavy-duty electronics that are epoxy-potted into 316 stainless steel housings.


    *TS-100.30C2X.xx7FA... (1.5 in NPT front and rear threads, RS-485 Serial Only)

    **Serial Only, does not include additional outputs. These sensors also feature 4-wire cable and consume about 20% less power.

    • $842.16
    Sorry, we only have 999999 of that item available
  • ToughSonic 100 Ultrasonic Sensor 14' - 4.3 Meter  (RS-485)

    ToughSonic 100 Ultrasonic Sensor 14' - 4.3 Meter (RS-485)

    SKU:SNS-025
    Available for backorder

    The ToughSonic 100 14' Range, 30mm Thread ultrasonic sensor, TS-100.14A1X.0xxFA, measures level and distance through the air using ultrasonic sound waves up to a distance of 14 feet (4.3 Meters).

    These durable and compact ultrasonic sensors truly embody the “ToughSonic” name. These liquid level sensors are designed for versatility and include robust electronics securely epoxy-potted within corrosion-resistant 316 stainless steel housings.


    *TS-100.14A1X.0xxFA... (30mm threaded, RS-485 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

    • $741.52
    Sorry, we only have 999999 of that item available
  • ToughSonic 100 Ultrasonic Sensor 14' - 4.3 Meter(RS-232)
    • % off

    ToughSonic 100 Ultrasonic Sensor 14' - 4.3 Meter(RS-232)

    SKU:SNS-026
    Available for backorder

    The ToughSonic 100 14' Range, 30mm Thread ultrasonic sensor, TS-100.14A1X.0xxFB, measures level and distance through the air using ultrasonic sound waves up to a distance of 14 feet (4.3 Meters).

    These durable and compact ultrasonic sensors truly embody the “ToughSonic” name. These liquid level sensors are designed for versatility and include robust electronics securely epoxy-potted within corrosion-resistant 316 stainless steel housings.


    *TS-100.14A1X.0xxFB... (30mm threaded, RS-232 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

      • % off
      $741.25 save $0.01
    • $741.24
    Sorry, we only have 999999 of that item available
  • ToughSonic 100 Ultrasonic Sensor 50' - 15.2 Meter (RS-485 Serial Only) Clamp Connection

    ToughSonic 100 Ultrasonic Sensor 50' - 15.2 Meter (RS-485 Serial Only) Clamp Connection

    SKU:SNS-065
    Available for backorder

    The ToughSonic 100 50' Range, Clamp Connection ultrasonic sensor, TS-100.50D2X.0xxFA, measures level and distance through the air using ultrasonic sound waves up to a distance of 50 feet (15.2 Meters).

    These rugged, compact ultrasonic sensors live up to the “ToughSonic” name. Versatile liquid level sensors feature heavy-duty electronics that are epoxy-potted into 316 stainless steel housings.


    *TS-100.50D2X.0xxFA... (Clamp Connection, RS-485 Serial Only)

    **Serial Only, does not include additional outputs. These sensors also feature 4-wire cable and consume about 20% less power.

    • $940.90
    Sorry, we only have 999999 of that item available
  • ToughSonic 100 Ultrasonic Sensor, 50' - 15.2 Meter  (RS-485) Clamp Connection

    ToughSonic 100 Ultrasonic Sensor, 50' - 15.2 Meter (RS-485) Clamp Connection

    SKU:SNS-035
    Available for backorder

    The ToughSonic 100 50' Range, Clamp Connection ultrasonic sensor, TS-100.50D1X.0xxFA, measures level and distance through the air using ultrasonic sound waves up to a distance of 50 feet (15.2 Meters).

    These rugged, compact ultrasonic sensors live up to the “ToughSonic” name. Versatile liquid level sensors feature heavy-duty electronics that are epoxy-potted into 316 stainless steel housings.


    *TS-100.50D1X.0xxFA... (Clamp Connection, RS-485 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

    • $980.06
    Sorry, we only have 999999 of that item available
  • ToughSonic 100, Ultrasonic Sensor,  50' - 15.2 Meter (RS-485) with PVDF Plastic Housing

    ToughSonic 100, Ultrasonic Sensor, 50' - 15.2 Meter (RS-485) with PVDF Plastic Housing

    SKU:SNS-037
    Available for backorder

    The ToughSonic 100 50' Range, 2.5" NPT front and rear threads ultrasonic sensor, TS-100.50F1X.xx7FA, measures level and distance through the air using ultrasonic sound waves up to a distance of 50 feet (15.2 Meters).

    These rugged, compact ultrasonic sensors live up to the “ToughSonic” name. Versatile liquid level sensors feature heavy-duty electronics that are epoxy-potted into PVDF Plastic housings.


    *TS-100.50D1X.0xxFA... (2.5" NPT front and rear threads, RS-485 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

    • $1003.97
    Sorry, we only have 999999 of that item available
  • ToughSonic 100, Ultrasonic Sensor, 14' - 4.3 Meter  (RS-485 Serial Only)

    ToughSonic 100, Ultrasonic Sensor, 14' - 4.3 Meter (RS-485 Serial Only)

    SKU:SNS-055
    Available for backorder

    The ToughSonic 100 14' Range, 30mm Thread ultrasonic sensor, TS-100.14A2X.0xxFA, measures level and distance through the air using ultrasonic sound waves up to a distance of 14 feet (4.3 Meters).

    These durable and compact ultrasonic sensors truly embody the “ToughSonic” name. These liquid level sensors are designed for versatility and include robust electronics securely epoxy-potted within corrosion-resistant 316 stainless steel housings.


    *TS-100.14A2X.0xxFA... (30mm threaded, RS-485 Serial Only)

    **Serial Only, does not include additional outputs. These sensors also feature 4-wire cable and consume about 20% less power.

    • $702.36
    Sorry, we only have 999999 of that item available
  • ToughSonic 100, Ultrasonic Sensor, 50' - 15.2 Meter  (RS-485) with Rear 1.5" NPT mount
    • % off

    ToughSonic 100, Ultrasonic Sensor, 50' - 15.2 Meter (RS-485) with Rear 1.5" NPT mount

    SKU:SNS-036
    In stock(2 items available)

    The ToughSonic 100 50' Range, 1.5" NPT rear thread mount ultrasonic sensor, TS-100.50E1X.0xxFA, measures level and distance through the air using ultrasonic sound waves up to a distance of 50 feet (15.2 Meters).

    These rugged, compact ultrasonic sensors live up to the “ToughSonic” name. Versatile liquid level sensors feature heavy-duty electronics that are epoxy-potted into 316 stainless steel housings.


    *TS-100.50E1X.0xxFA... (1.5" NPT rear thread mount, RS-485 Standard)

    **Standard includes Analog (4- 20mA & 0- 10V or 0- 5V) Outputs, Switch Outputs, and Output Indicator.

      • % off
      $1039.70 save $0.01
    • $1039.70
    Sorry, we only have 999999 of that item available
  • ToughSonic 12 Ultrasonic Sensor - 3.7 Meter  (RS-485) 1" NPT Thread
    • % off

    ToughSonic 12 Ultrasonic Sensor - 3.7 Meter (RS-485) 1" NPT Thread

    SKU:SNS-016
    In stock(1 item available)

    Senix ToughSonic® 12 ultrasonic sensor TSPC-N1S1K-485 measures level and distance through the air using ultrasonic sound waves up to a distance of 10 to 366cm (244cm is optimum). It features a 1" NPT thread for Tank monitoring, IP68 Stainless Housing, Push-button and PC configurable


      • % off
      $746.18 save $298.47
    • $447.71
    Sorry, we only have 999999 of that item available
  • ToughSonic 12 Ultrasonic Sensor - 3.7 Meter  (RS-485) 30mm Thread
    • % off

    ToughSonic 12 Ultrasonic Sensor - 3.7 Meter (RS-485) 30mm Thread

    SKU:SNS-0150
    In stock(1 item available)

    Senix ToughSonic® 12 ultrasonic sensor TSPC-30S1K-485 measures level and distance through the air using ultrasonic sound waves up to a distance of 10 to 366cm (244cm is optimum). It features a 30mm IP68 Stainless Housing, Push-button and PC configurable

    Last Unit!!

      • % off
      $746.18 save $298.47
    • $447.71
    Sorry, we only have 1 of that item available
  • ToughSonic 200, Chemical Ultrasonic Sensor 20' - 6.1 Meter  (RS-485)
    • % off

    ToughSonic 200, Chemical Ultrasonic Sensor 20' - 6.1 Meter (RS-485)

    SKU:SNS-085
    In stock(3 items available)

    The ToughSonic 200, 14' Range, 1" NPT Upper & 1.5" BSP Lower Threads ultrasonic sensor, TS-200.20H1X.0xxFA, delivers non-contact, highly accurate liquid level measurement in chemical tanks, diesel fuel storage, and industrial liquid applications. Designed for durability, these compact and rugged sensors withstand exposure to harsh chemicals, acids, and bases

    The ToughSonic 200 measures level and distance through the air using ultrasonic sound waves up to a distance of 20 feet (6.1 meters)They are ideal for demanding paper processing, food production, and industrial storage applications. 

    *TS-200.20H1X.0xxFA... (1" NPT Upper & 1.5" BSP Lower Threads, RS-485, Transistor, Current, and Voltage Outputs)

      • % off
      $920.43 save $0.01
    • $920.43
    Sorry, we only have 999999 of that item available
  • ToughSonic 200, Chemical Ultrasonic Sensor 35' - 10.7 Meter (RS-485)

    ToughSonic 200, Chemical Ultrasonic Sensor 35' - 10.7 Meter (RS-485)

    SKU:SNS-086
    Available for backorder

    The ToughSonic 200, 14' Range, 1" NPT Upper & 2" BSP Lower Threads ultrasonic sensor, TS-200.35J1X.0xxFA, delivers non-contact, highly accurate liquid level measurement in chemical tanks, diesel fuel storage, and industrial liquid applications. Designed for durability, these compact and rugged sensors withstand exposure to harsh chemicals, acids, and bases

    The ToughSonic 200 measures level and distance through the air using ultrasonic sound waves up to a distance of 35 ft (10.7 Meters). They are ideal for demanding paper processing, food production, and industrial storage applications. 

    *TS-200.35J1X.0xxFA... (1" NPT Upper & 2" BSP Lower Threads, RS-485, Transistor, Current, and Voltage Outputs)

    • $1016.07
    Sorry, we only have 999999 of that item available
  • ToughSonic 200, Chemical Ultrasonic Sensor, 14' - 4.3 Meter (RS-485)

    ToughSonic 200, Chemical Ultrasonic Sensor, 14' - 4.3 Meter (RS-485)

    SKU:SNS-081
    In stock(5 items available)

    The ToughSonic 200, 14' Range, 1" NPT Upper & 1.5" NPT Lower Threads ultrasonic sensor, TS-200.14G1X.xx7FA, delivers non-contact, highly accurate liquid level measurement in chemical tanks, diesel fuel storage, and industrial liquid applications. Designed for durability, these compact and rugged sensors withstand exposure to harsh chemicals, acids, and bases

    The ToughSonic 200 measures level and distance through the air using ultrasonic sound waves up to a distance of 14 ft (4.3 Meters). They are ideal for demanding paper processing, food production, and industrial storage applications. 

    *TS-200.14G1X.xx7FA... (1" NPT Upper & 1.5" NPT Lower Threads, RS-485, Transistor, Current, and Voltage Outputs)

    • $885.55
    Sorry, we only have 999999 of that item available
  • Ultrasonic Distance Sensor, EM310-UDL 3-450cm LoRaWAN

    Ultrasonic Distance Sensor, EM310-UDL 3-450cm LoRaWAN

    SKU:ULC-024
    Available for backorder

    Milesight EM310-UDL is a LoRa ultrasonic distance sensor. EM310-UDL can be widely used in waste management, water tank monitoring, manhole cover monitoring, etc.

    • $109.63
    Sorry, we only have 999999 of that item available
  • Water Leak Detector Sensor - Conductive Immersion

    Water Leak Detector Sensor - Conductive Immersion

    SKU:KPS-032
    Available for backorder

    Floor standing conductive water sensor with relay contact output. Great for triggering alarms or pumps in flood-prone or sensitive areas.

    • $72.76
    Sorry, we only have 999999 of that item available
  • Water Level Detector Sensor 0-10m with 75m Cable for Tanks, Wells and Reservoirs

    Water Level Detector Sensor 0-10m with 75m Cable for Tanks, Wells and Reservoirs

    SKU:IBP-1101
    In stock(1 item available)

    Suitable for raw and waste water, 2-wire 4 to 20 mA liquid level sensor 0-10m. Supplied with 75 m cable

    The sensors are vented sensors with vented cables. They don't need to be post-corrected before use.

    • $542.40
    Sorry, we only have 999999 of that item available
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