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The Flowline EchoPod and EchoSonic II are innovative ultrasonic liquid level sensor families that replace float level sensors, or conductance and pressure sensors that fail due to contact with dirty, sticky and scaling
liquids in small, medium and large capacity tanks. These liquid level control sensors can be used in either open or enclosed tanks, but they are NOT suitable for pressurized enclosed tanks.
Applications
These Flowline fluid level sensors are ideal for use as water level sensors, liquid level switches to turn pumps or motors ON or OFF, liquid level transmitters,
tank level sensors, or other applications requiring accurate and continuous liquid level control or liquid level measurement.
- Typically used in chemical, water and wastewater applications, these general purpose fluid level sensors are available with single and multi-function capabilities including continuous level measurement, switching and level control.
- For input to a PLC or other controller, liquid level measurement output types include current, voltage and frequency.
- Models with four relays can be configured for liquid level alarms and/or stand-alone liquid level control such as automatic fill or empty functions using the embedded level controller.
- PC configuration is simple with FREE WebCal™ level sensor software and the programming fob with USB adapter.
Buy with confidence:
- 30-Day Money-Back Guarantee
- Free Technical Support
- 1-Year Warranty
- Free Shipping on orders of $49 or more
- Made in the USA
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Flowline Ultrasonic Liquid Level Sensors, Switches and Transmitters
Ultrasonic Liquid Level Sensors
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Ultrasonic Liquid Level Switch & Level Controller
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Flowline EchoPod DS14 Series Ultrasonic Liquid Level Switch & Controller
The EchoPod DS14 series ultrasonic liquid level switch provides continuous liquid level detection up to 4.1 ft (1.25m), with 4 programmable relays for liquid level switch or liquid level control functions, and is configured via the free WebCal software.
The embedded level controller lowers cost by replacing external control hardware. This non-contact liquid level sensor is ideally suited for corrosive, sticky or dirty liquids, and is broadly selected for
small day tank, skid, intermediate bulk tank, sump pump and process tank level sensor applications.
- Continuous liquid level detection up to 4.1 ft (1.25m)
- Configuration is fast and easy via the WebCal software and programming fob with USB adapter
- Narrow 2-inch beamwidth and short 2-inch dead band optimized for smaller tanks
- Four programmable relays for switch, pump or valve control and fail-safety;
most commonly used in one of the following configurations:
- 1 pump or valve with 3 alarms
- 2 pumps (lead-lag) with 2 alarms
- 2 pumps (duplexing) with 2 alarms
- 4 independent outputs
- PVDF transducer and NEMA Type 6P polycarbonate enclosure for corrosive liquids
- Automatic temperature compensation for accurate liquid level measurement
- Agency approvals: cFMus
- Made in the USA
- The DS14-00 ultrasonic liquid level switch & level controller is $306.00
DS14 Series Ultrasonic Level Sensor Overview
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Ultrasonic Liquid Level Transmitters |
Flowline EchoPod DX10 and DL10 Series Ultrasonic Liquid Level Transmitters
The EchoPod DX10 / DL10 series ultrasonic liquid level transmitters provide continuous non-contact liquid level measurement output up to 4.1 ft (1.25m). DX10 / DL10 transmitters are configured using the free WebCal software. Select the voltage or current output for interface with analog input cards. Select the frequency output
for interface with frequency-capable or counter input discrete input cards. These non-contact liquid level sensors are ideally suited for corrosive, sticky or dirty liquids, and
are broadly selected for small day tank, skid, intermediate bulk tanks, sump and process tank level sensor applications.
- Continuous level measurement up to 4.1 ft (1.25m), with a selectable 0-5 VDC, 0-10 VDC or 976-
2000 Hz frequency signal output (DX10), or a 4-20mA output for longer signal distances, up to 1000 ft. (300m) (DL10)
- Configuration is fast and easy via WebCal software and USB adapter
- Narrow 2-inch beam width and short 2-inch dead band optimized for smaller tanks
- PVDF transducer and NEMA Type 6P polycarbonate enclosure for corrosive liquids
- Automatic temperature compensation for accurate measurement
- Agency approvals: cFMus
- Made in the USA
- The DX10 / DL10 series ultrasonic liquid level transmitters start at $260.00
DX10 / DL10 Series Ultrasonic Level Transmitters Overview
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Multi-Function Ultrasonic Liquid Level Sensor, Level Switch and Level Controller |
Flowline EchoPod DL Series Multi-Function Ultrasonic Liquid Level Sensors
The EchoPod DL series multi-function ultrasonic liquid level sensors offer a 4-20mA signal output and 4 programmable relays for level switch or level control functions, and are
configured using the free WebCal software. The embedded level controller can lower cost by replacing external control hardware. These non-contact liquid level sensors are ideally suited
for corrosive, sticky or dirty liquids, and are broadly selected for small day tank, skid, intermediate bulk tanks, sump and process tank level applications.
- Level switch and level control functions with continuous level measurement.
- Analog output models in ranges up to 4.1 ft (1.25m), 9.8 ft (3m) or 18 ft (5.5m)
- Configuration is fast and easy using free WebCal software and USB adapter
- Narrow beamwidth and short dead band optimized for smaller tanks
- 4-20mA signal output and four programmable relays rated at 1A / 60VA for switch, pump or valve control and fail-safety; most commonly used in one of the following configurations:
- 1 pump or valve with 3 alarms
- 2 pumps (lead-lag)with 2 alarms
- 2 pumps (duplexing)with 2 alarms
- 4 independent outputs
- PVDF transducer and NEMA Type 6P polycarbonate enclosure for corrosive liquids
- Automatic temperature compensation for accurate measurement
- Agency approvals: cFMus
- Made in the USA
- The DL series multi-function ultrasonic liquid level sensors start at $325.00
DL Series Ultrasonic Level Transmitters Overview
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Ultrasonic Liquid Level Transmitters |
EchoSonic II LU Series Ultrasonic Liquid Level Transmitters
The EchoSonic II LU series ultrasonic liquid level transmitters offer a 4-20mA signal
output and are configured via the free WebCal software. These non-contact liquid level sensors are ideally suited for corrosive, ultrapure, sticky or dirty liquids, and are broadly selected for bulk
storage, dry tank, lift station and process tank level sensor applications.
- Continuous level measurement models in ranges up to 9.8 ft (3m), 18 ft (5.5m), 26.2 ft (8m) or 32.8 ft (10m)
- DSP auto adaptive filters enable plug and play operation optimizing signal output filtering and obstacle recognition
- Configuration is fast and easy using WebCal software and USB adapter
- Narrow 2-inch or 3-inch beamwidth for applications with limited measurement space
- Short 4-inch or 8-inch dead band maximizes the measurable filling capacity of the tank
- PVDF transducer and NEMA Type 6P polycarbonate enclosure for corrosive liquids
- Automatic temperature compensation for accurate measurement
- Agency approvals: cFMus
- Made in the USA
- The EchoSonic II LU series ultrasonic liquid level transmitters start at $469.00
EchoSonic II LU Series Ultrasonic Level Transmitters Overview
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WebCal Ultrasonic Level Sensor Software

Flowline USB adapter
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WebCal Ultrasonic Level Sensor Configuration Software
and Fob USB Adapter
WebCal PC software is a level sensor utility program that allows users to easily configure their EchoSonic II and EchoPod level transmitters, switches, and controllers.
Download your free copy of the WebCal configuration softwre and connect your sensor through the Fob USB adapter (LI99-1001). Develop your level sensor configuration using pre-programmed function menus as the tank graphic and
set point fields automatically change to match your configuration. Then, input your level set point values and click the Write to Unit button. Your configuration will be downloaded into
the sensor and verified in less than a second. Last, click the Wiring Diagram button to open a wiring schematic of your configuration in PDF format. Print the document, disconnect the
sensor and wire it per the schematic.
- Download your free copy of WebCal configuration software
- 169 level sensor configurations with pull-down menu selections
- Graphical interface lets you visualize your configuration
- Applicable level set point fields appear automatically
- Installs and tests configuration in less than a second
- Available PDF wiring diagram for each liquid level sensor, switch or level controller configuration
- Technical help menu with FAQs, tips and glossary
- Rapidly program multiple level sensors with the same configuration
- Save level sensor configuration files for future use or reference
- Print wiring diagrams and configuration text files
- Email level sensor configuration files to other remote users
- Made in the USA
- The LI99-1001 fob USB adapter is $42.00
WebCal Ultrasonic Level Sensor Configuration Software Overview
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EchoPod Ultrasonic Liquid Level Sensors / Switches / Transmitters
| Part No. |
Description |
Price |
| DL14-00 |
EchoPod multi-function ultrasonic liquid level sensor, up to 4.1 feet (1.25m) sensing range, 4-20mA analog output, four programmable SPST relays. (For small or shallow tanks) |
$325.00
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| DL24-00 |
EchoPod multi-function ultrasonic liquid level sensor, up to 9.8 feet (3m) sensing range, 4-20mA analog output, four programmable SPST relays |
$418.00
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| DL34-00 |
EchoPod multi-function ultrasonic liquid level sensor, up to 18.0 feet (5.5m) sensing range, 4-20mA analog output, four programmable SPST relays |
$511.00
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| DL10-00 |
EchoPod ultrasonic liquid level transmitter, up to 4.1 feet (1.25m) sensing range, 4-20mA analog output. (For small or shallow tanks) |
$283.00
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| DX10-00 |
EchoPod ultrasonic liquid level transmitter, up to 4.1 feet (1.25m) sensing range, selectable 0-5 VDC analog, 0-10 VDC analog or 976-2000 Hz frequency output. (For small or shallow tanks) |
$260.00
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| DS14-00 |
EchoPod ultrasonic liquid level switch, up to 4.1 feet (1.25m) sensing range, four programmable SPST relays. (For small or shallow tanks) |
$306.00
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EchoSonic II Ultrasonic Liquid Level Transmitters
| Part No. |
Description |
Price |
| LU27-00 |
EchoSonic II ultrasonic liquid level transmitter, up to 9.8 feet (3m) sensing range, 4-20mA analog output |
$469.00
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| LU23-00 |
EchoSonic II ultrasonic liquid level transmitter, up to 18.0 feet (5.5m) sensing range, 4-20mA analog output |
$562.00
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| LU28-00 |
EchoSonic II ultrasonic liquid level transmitter, up to 26.2 feet (8m) sensing range, 4-20mA analog output. (For large or deep tanks) |
$655.00
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| LU29-00 |
EchoSonic II ultrasonic liquid level transmitter, up to 32.8 feet (10m) sensing range, 4-20mA analog output. (For large or deep tanks) |
$748.00
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WebCal Ultrasonic Level Sensor Configuration Software
| Part No. |
Description |
Price |
| LI99-1001 |
Flowline USB adapter Fob, required for use with WEBCAL software to configure EchoPod and EchoSonic II ultrasonic fluid level sensors. |
$42.00
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| WEBCAL |
Configuration software CD for EchoPod and EchoSonic II ultrasonic liquid level sensors (requires LI99-1001 USB adapter purchased separately).
Also available as a FREE download |
$9.00
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