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Level Monitoring | Ultrasonic Sensors


Real-time level monitoring over an IP network using a standard web browser!

Ultrasonic Sensors

Monitor liquid levels with an Ultrasonic Sensor and a ControlByWeb™ module (See recommended products below) Receive text messages or email alerts when a user-specified level is reached. Log and plot the level history, and more.

How do Ultrasonic Sensors Work

Ultrasonic sensors work by using ultrasonic waves to measure the distance from a target (i.e., a liquid surface). It measures distance by gauging the difference between the time the wave signal was sent, and the time the same wave was received after it bounces off of the surface.

For example, in level-monitoring, the ultrasonic sensor sends a signal which then bounces off of the liquid level's surface. This signal then returns back to the sensor which measures the round-trip time it takes for the signal to travel. The sensor uses the measured time to calculate the distance to the surface of the liquid. The sensor reports that distance to a display and/or a controller. Using this distance, along with the tank’s dimensions and volume, you can calculate how much liquid is left in the tank that you’re monitoring. ControlByWeb modules can calculate this information for you.

The Sensor uses Ultrasonic Waves to monitor tank levels

Liquid Types

Ultrasonic Sensor works well with many clean liquids; however, it is not ideal for foamy liquids, and chemicals that produce vapors, like gasoline.

These types of liquid can cause false readings when used with ultrasonic sensors.

Clean Liquid
No foam
No Vapors

Ultrasonic Sensor Benefits

  • Easy to install.
  • Provide a reliable, non-contact method for level monitoring!

Sensor Ranges

  • We provide monitoring solutions for ranges from 4 inches to 50 feet.

Sensor Accuracy

  • Sensors are accurate within 0.25% of its detected range.

  Features

  • Monitor liquid levels
  • Real-time level monitoring both locally and remotely
  • Industrial level monitoring for mobile and static locations
  • Log level history
  • Email/text notifications for high/low levels
  • And much more...

  Compatible Products

See below for more details and to add to cart



Ultrasonic Sensors with ControlByWeb Products

Real-Time Monitoring

Each ultrasonic sensor can be connected to a compatible ControlByWeb module (see below) to remotely monitor liquid levels in real-time using a standard web browser or mobile device. Liquid levels can be presented to the user as a simple liquid height measurement, or the module can be configured to calculate the volume of liquid used or the volume remaining in the tank and present that to the user. No special software required.

Email and Text Alerts

When an ultrasonic sensor is connected to a ControlByWeb module, it can be configured to alert you via email or text whenever a certain levels are reached.

Logging and Graphing

Log and graph tank and level data. Email log files at regular intervals.

Control Options

In addition to simple remote monitoring, ControlByWeb modules are fully programmable and provide custom control capabilities as well. For example, you can connect a pump to a relay or an output on a ControlByWeb module and remotely run the pump manually, or configure module to run the pump to run automatically if the level gets too low.

Wireless, non-contact monitoring with an Ultrasonic Sensor

Ultrasonic Sensor connected to the X-420 to monitor tank levels. All products in this diagram can be purchased below.

Monitor levels remotely through our online interface, or through our App

View live tank levels with ControlByWeb's product's built-in interface using a standard web browser

Common Level Monitoring Industries

Ultrasonic sensors are commonly used in the following industries:

  • Medical Facilities
  • Agricultural
  • Waste Water Management

Use the RST-3002 to program the Ultrasonic Sensor

Programming the Ultrasonic Sensor using the RST-3002

Ultrasonic Sensor Setup

1

Connect Ultrasonic Sensor to the RST-3002 programming module, and adjust the parameters to suit your needs.

2

Disconnect Sensor from the RST-3002 and connect to a ControlByWeb product such as the X-418 or the X-420.

3

Connect the ControlByWeb product to your network. See Establishing Communications with ControlByWeb Products

4

Install Ultrasonic Sensor into the top of the tank.

5

Monitor your tank level from the internet anywhere in the world!


Frequently Asked Questions

Answer

Inlet pipes and weld seams should not pose an issue as long as the sensor is mounted far enough away from the wall or pipe. If you do experience interference, consider repositioning the sensor farther away from the wall or pipe.

Answer

The ultrasonic sensor can get inconsistent in its readings as it approaches the maximum range. If your tank is close to the maximum range of a particular sensor, we recommend getting the next highest range.

Answer

Oftentimes solid targets result in false readings for ultrasonic sensors due to their uneven or soft nature. If using the Ultrasonic Sensor to monitor solids, we recommend using a sensor designed for double the desired range to get a more accurate reading.

The Ultrasonic Sensor should not be used for monitoring Flour and other fine powders, as the powder will absorb the sound.

Answer

While the ultrasonic sensor is not ideal for home security, (as they are not designed to detect fast moving objects), they are commonly used in society for object detection. They are used to help cars detect and avoid objects while backing up. They are used to detect cars in a fast food drive-through. They're even used in tracking cars through a car wash. There are many applications that the ultrasonic sensor can be used for.

Answer

The X-418 module only has analog inputs so another module such as WebRelay will be needed as well for pump control (we have many modules that have relays). The X-418 and X-420 can seamlessly control relays in other ControlByWeb modules whether they are physically located next to each other or miles apart. Depending on the size and power requirements of your pump, you will likely need to use a larger, power relay between WebRelay and the pump. The X-420 has two digital I/O terminals that can be configured as outputs and used to control a pump. To use those outputs you will need to connect a solid state relay to the outputs and use that to control the pump (see the X-400 series users manuals for more information).

Ultrasonic Sensors

IRU-5413 Short-Range Ultrasonic Level Sensor - 4-20mA

In Stock

PART NUMBER

IRU-5413-C6-B81

DESCRIPTION

Ultrasonic Level Sensor, 4-79 inch Range, 1 inch NPT, 4-20mA, 6' Cable (call for custom lengths)

Requires RST-3002 for setup.

PRICE

$529.00

Quantity:

Ships Within: 3-5 Business Days

RST-3002 Sensor Programmer (Used with IRU Series sensors)

In Stock

PART NUMBER

RST-3002

DESCRIPTION

IRU ultrasonic sensors programming module

Includes: USB Cable and Software

PRICE

$105.00

Quantity:

Ships Within: 3-5 Business Days

IRU-2423 Mid-Range Ultrasonic Level Sensor - 4-20mA

In Stock

PART NUMBER

IRU-2423-C6-B81

DESCRIPTION

Ultrasonic Level Sensor, 25 Feet Range, 2 inch NPT, 4-20mA, 6' Cable (call for custom lengths)

Requires RST-3002 for setup.

PRICE

$585.00

Quantity:

Ships Within: 3-5 Business Days

IRU-3433 Long-Range Ultrasonic Level Sensor - 4-20mA

In Stock

PART NUMBER

IRU-3433-C6-B81

DESCRIPTION

Ultrasonic Level Sensor, 50 Feet Range, 3 inch NPT, 4-20mA, 6' Cable (call for custom lengths)

Requires RST-3002 for setup.

PRICE

$817.00

Quantity:

Ships Within: 3-5 Business Days

MNU-2424 Mid-Range Ultrasonic Level Sensor - Modbus RS-485

In Stock

PART NUMBER

MNU-2424-C6-B81

DESCRIPTION

Ultrasonic Level Sensor, 25 Feet Range, 2 inch NPT, Modbus, 6' Cable (call for custom lengths)

PRICE

$500.00

Quantity:

Ships Within: 3-5 Business Days

MNU-3434 Long-Range Ultrasonic Level Sensor - Modbus RS-485

In Stock

PART NUMBER

MNU-3434-C6-B81

DESCRIPTION

Ultrasonic Level Sensor, 50 Feet Range, 3 inch NPT, Modbus RS-485, 6' Cable (call for custom lengths)

PRICE

$600.00

Quantity:

Ships Within: 3-5 Business Days

Compatible ControlByWeb Controllers

X-404

X-404 Modbus Master Controller

In Stock

PART NUMBER

X-404-I

SENSORS

# of Sensors: Connect up to 32

Sensor Type: Modbus RS-485

FEATURES

  • Daisy-Chain modbus sensors
  • No voltage scaling
  • Logging
  • BASIC Interpreter
  • Email Alerts
  • Peer-to-peer

PRICE

$295.95

Quantity:
X-418

X-418 Analog Input Module

In Stock

PART NUMBER

X-418-I

SENSORS

# of Sensors: Connect up to 8

Sensor Type: 4-20mA

FEATURES

  • Scheduling
  • Logging
  • BASIC Interpreter
  • Email Alerts
  • Peer-to-Peer

PRICE

$274.95

Quantity:
X-420

X-420 Instrumentation-Grade Data Acquisition

In Stock

PART NUMBER

X-420-I

SENSORS

# of Sensors: Connect up to 4

Sensor Type: 4-20mA

FEATURES

  • Configurable Digital I/O
  • Logging
  • BASIC Interpreter
  • Email Alerts
  • Counters: Inputs 1-2
  • Peer-to-peer

PRICE

$299.95

Quantity:

Power Supplies

PART NUMBER

2868648

DESCRIPTION

Output: 24 V DC±1%, 1.75 Amp

Input Voltage: 100-240V AC

Input Frequency: 45-65 Hz

PRICE

$74.24

Quantity:

Power Supply | 12VDC

In Stock

PART NUMBER

PS12VW1.5-B

DESCRIPTION

Regulated, 12V DC, 1.5Amp (100-240V AC Input)

PRICE

$19.95

Quantity:

Misc Accessories

LPD Loop Powered Display

In Stock

PART NUMBER

LPD-000001-C6-0-0-B81

DESCRIPTION

4-20 mA loop power display, 6 ' Cable.
Only compatible with IRU ultrasonic sensors.

PRICE

$227.10

Quantity:

Ships Within: 3-5 Business Days

MND Modbus Network Display

MND Modbus Display with Aluminum Housing

In Stock

PART NUMBER

MND-202201-2-0-2-0000-B81

Description

Local display for up to 10 sensors as a master, slave, or power source on any Modbus network.

PRICE

$365.00

Quantity:

Ships Within: 15 Business Days

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