WL705 Ultrasonic Water Level Sensor

Price$926.00 (US Only)

Option

SKUAQS003


In Stock 0 - Available for Backorder

The WL705 Ultrasonic Water Level Sensor uses the latest ultrasonic distance measuring technology for accurate non-contact water level monitoring.

  • Overview

    The ultrasonic water level sensors contain a rugged transducer in a stainless steel sealed housing for long life and provides an industry standard 4-20 mA output. There are three ultrasonic water level sensor ranges available including 3 ft, 12 ft, and 48 ft to meet a wide variety of applications. The unique 3 ft range ultrasonic water level sensor is ideal for measuring flow in small flumes and weirs. The 12 ft and 48 ft ultrasonic water level sensor ranges are best for measuring river, lake and tank levels and for measuring open channel flow in larger flumes. Ultrasonic water level sensor installation is simple and requires no programming or calibration. No maintenance is required for the ultrasonic water level sensors.

    Key Features:

    • Long range, short dead band
    • Unaffected by optical factors like color and transparency
    • 4-20 ma Transmitter
    • Durable sealed housing for wet or dirty applications
    • For monitoring water level in tanks and open channel.

    The WL705 Ultrasonic Level Sensors are rugged, reliable and completely weatherproof. The ultrasonic water level sensors are ideal for sewer or wastewater applications. The ultrasonic water level sensors are easy to mount, come with a 6 ft standard cable and complete instructions. The ultrasonic water level sensors are easy to interface to all PLC's, SCADA and telemetry systems with its simple 3-wire 4-20 mA output. The WL705 Ultrasonic Water Level Sensor is compatible and provided optionally with the Global Water FC220 Open Channel Flow Monitor and the PC320 Process Controller (for water level control).

  • Specifications
    WL705 Ultrasonic Water Level Sensor  
    Ranges 0.33 to 3 ft; 0.33 to 12 ft; and 1 to 48 ft
    Resolution

    0.009 in, 0.035 in, and 0.141 in

    Repeatability Greater of ±0.03 inches (0.76 mm) or 0.1% of range @ constant temperature
    Accuracy

    Better than 0.5% of range @ constant temperature; affected by temperature gradients, target echo strength, and speed of sound in vapors

    Transducer Type

    Ruggedized piezoelectric

    Beam Angle 12° conical shaped pattern

    Power

     3 and 12 ft rng: 10 to 30 VDC @70 mA max
     48 ft range: 10 to 30 VDC @40 mA max

    Output

    4-20 mA (4 mA is minimum water level and 20 mA is maximum water level)

    Update Rate 50 ms
    Warm Up Time 15 seconds
    Operating Temperature Range -40° to 158°F (-40° to 70°C)
    Humidity 0-100% (avoid heavy condensation)
    Housing Material 303 stainless steel
    Mounting 3 and 12 ft rng: 30x1.5 mm threaded housing
    48 ft range: 2.5 inch Male NPT threads
    Dimensions 3 and 12 ft rng: 4.062 in. long x 1.05 in. dia. (103.2 L x 26.7 Dia mm)
    48 ft range: 4.75 inch long x 2.375 inch dia. (121 L x 60 Dia mm)
    Weight 3 and 12 ft rng: 12.7 oz (0.36 g)
    48 ft range: 25.9 oz (0.73 kg)
    IP Rating IP 68, Nema 4X
    Certification CE
  • FAQs

    What makes the WL705 different from other YSI water level instruments?

    The WL705 is a noncontact Water level sensor that uses Ultrasonic signals to measure water depths. This particular sensor is analog instead of digital and uses 4-20mA outputs.

    What applications is the WL705 best suited for

    Ideal for bridges, tanks, flumes, weirs, and hydrological dams that primarily do not come in contact with vapor, foam, steam, dust, or powder.

    How will I know water depth and water level detection?

    The WL705 records the depth from an ultrasonic signal and then the data is recorded in a datalogger or transferred directly to your monitoring device.

    What type of water depths can I read? 

    The WL705 can read up to 3’ 12’ and up to 48’ depending on the model.

    What is the difference between ultrasonic sensors and radar level sensors.

    Both sensors excel at detecting water level for bridges, tanks, flumes, weirs, and hydrological dams, but it’s the conditions within those places that make all the difference.

    Ultrasonic sensors are lower cost, can have high-quality performance and longevity, however they thrive in a straightforward environment with no additional outside interferences for the sonic waves to bounce off of such as vapor, foam, steam, dust, or powder.

    Radar level sensors are higher cost but have the added benefit of being able to detect water level in environments that include vapor, foam, steam, dust, or powder.

    Simply put Ultrasonic sensors are best utilized where water conditions are closed and the sensor is only in contact with the water where Radar level sensors can be in open and closed environments where water particulates and inferences can be an issue.

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