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FLOWLINE LU81-5101 Ultrasonic Liquid Level Sensor Transmitter - Ultrasonic Liquid Level Sensor Transmitters
FLOWLINEUltrasonic Liquid Level Sensor Transmitters

FLOWLINE LU81-5101 Ultrasonic Liquid Level Sensor Transmitter

The FLOWLINE Noncontact Ultrasonic Level Sensor (MPN LU81-5101) is an ultrasonic liquid level sensor transmitter with a 2 in NPT connection, 2 3/8 in antenna diameter, and a 216 in range. It features an LCD display…

SKU 3G-OTH-91818

Also listed as: LU815101 · LU81 5101

Brand
FLOWLINE
Item
LU81-5101 Ultrasonic Liquid Level Sensor Transmitter
Part Number
LU81-5101
Category
Ultrasonic Liquid Level Sensor Transmitters
Available to Order
Also known as:LU81-5101FLOWLINE
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Technical Specifications

FLOWLINE
Manufacturer Part Number
LU81-5101
Type
NPT, LCD
Range
216 in
Accuracy
+/-0.2% of Range
Antenna Dia
2 3/8 in
Display Type
LCD
Max. Voltage
28V DC
Output Voltage Range
4 to 20mA

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FLOWLINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The FLOWLINE Noncontact Ultrasonic Level Sensor (MPN LU81-5101) is an ultrasonic liquid level sensor transmitter with a 2 in NPT connection, 2 3/8 in antenna diameter, and a 216 in range. It features an LCD display, operates on a max voltage of 28V DC, and provides a 4 to 20mA output with an accuracy of +/-0.2% of range.

Frequently Asked Questions

What is the FLOWLINE LU81-5101 ultrasonic level sensor used for?

The FLOWLINE LU81-5101 noncontact ultrasonic level sensor measures liquid level in tanks or vessels up to 216 in. It is used in water, wastewater, chemical, and industrial processes where contact with the media must be avoided. The LCD display and 4 to 20mA output simplify integration with PLCs and control systems.

What are the specifications of the FLOWLINE LU81-5101?

The FLOWLINE LU81-5101 has a 216 in range, +/-0.2% of range accuracy, and a 2 in NPT connection with a 2 3/8 in antenna diameter. It operates on 28V DC maximum and outputs 4 to 20mA. The LCD display provides local readout. This is a noncontact ultrasonic liquid level sensor transmitter.

Where to buy the FLOWLINE LU81-5101 worldwide?

3G Electric supplies the FLOWLINE LU81-5101 ultrasonic level sensor to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this noncontact level transmitter with LCD display.

How to install a FLOWLINE noncontact ultrasonic level sensor?

Mount the FLOWLINE LU81-5101 vertically above the liquid surface, ensuring the 2 3/8 in antenna is unobstructed and at least 12 in from tank walls. Avoid foam, turbulence, or vapor condensation in the beam path. Wire the 4 to 20mA output to a PLC or controller per the manual. Calibrate using the LCD menu.

Used in

Common applications for FLOWLINE
Water and wastewater treatment — Flowline LU23-01 ultrasonic transmitter for wet well level monitoring with IP68 protection.
Chemical processing — Flowline LU28-01 non-contact ultrasonic sensor for corrosive liquid level in storage tanks.
Food and beverage production — Flowline LU81-5101 with LCD display for local indication of liquid level in hygienic tanks.
Oil and gas — Flowline LU29-01 long-range ultrasonic transmitter for level measurement in tall process vessels.
General manufacturing — Flowline LM50-1001 mounting bracket for secure installation of LU83-5101 ultrasonic sensors in sumps.
Pharmaceutical — Flowline DS14-01 ultrasonic transmitter for accurate level measurement of aqueous solutions in small tanks.
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FLOWLINE Products

3G Electric supplies FLOWLINE ultrasonic liquid level sensor transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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