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FLOWLINE Noncontact Ultrasonic Level Sensor: 1 in NPT, 1 3/8 in Antenna Dia, 117.6 in Range - Ultrasonic Level Transmitter/Switch/Controller Units
FLOWLINEUltrasonic Level Transmitter/Switch/Controller Units

FLOWLINE Noncontact Ultrasonic Level Sensor: 1 in NPT, 1 3/8 in Antenna Dia, 117.6 in Range

The FLOWLINE Noncontact Ultrasonic Level Sensor (MPN LU77-5004) is an ultrasonic level transmitter, switch, and controller unit with a 1 in NPT connection and a 1 3/8 in antenna diameter. It offers a 117.6 in range…

SKU 3G-OTH-91958

Also listed as: LU775004 · LU77 5004

Brand
FLOWLINE
Item
Noncontact Ultrasonic Level Sensor: 1 in NPT, 1 3/8 in Antenna Dia, 117.6 in Range
Category
Ultrasonic Level Transmitter/Switch/Controller Units
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Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

FLOWLINE
Manufacturer Part Number
LU77-5004
Type
NPT
Range
117.6 in
Accuracy
0.25 in
Antenna Dia
1 3/8 in
Display Type
LCD
Max. Voltage
250V 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 LU77-5004) is an ultrasonic level transmitter, switch, and controller unit with a 1 in NPT connection and a 1 3/8 in antenna diameter. It offers a 117.6 in range, 0.25 in accuracy, and an LCD display, with a 4 to 20mA output voltage range and a maximum voltage of 250V DC.

Frequently Asked Questions

What is the FLOWLINE LU77-5004 ultrasonic level sensor used for?

The FLOWLINE LU77-5004 is used for noncontact continuous level measurement of liquids in tanks, sumps, or open channels. It is suitable for water, wastewater, and chemical processing applications where a 4 to 20mA output and LCD display are required for monitoring and control.

What are the specifications of the FLOWLINE LU77-5004?

The FLOWLINE LU77-5004 is a noncontact ultrasonic level sensor with a 1 in NPT connection, 1 3/8 in antenna diameter, and 117.6 in range. It offers 0.25 in accuracy, an LCD display, 4 to 20mA output, and a maximum voltage of 250V DC. The manufacturer part number is LU77-5004.

Where to buy the FLOWLINE LU77-5004 worldwide?

You can source the FLOWLINE LU77-5004 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide this FLOWLINE ultrasonic level sensor to procurement teams globally.

How to install a FLOWLINE ultrasonic level sensor?

Install the FLOWLINE LU77-5004 in a stilling well or open tank with a clear path to the liquid surface, avoiding obstructions. Mount it at the recommended distance from the tank wall and ensure the 4 to 20mA wiring matches your controller. Refer to the FLOWLINE manual for specific mounting and configuration steps.

Used in

Common applications for FLOWLINE
Chemical processing — FLOWLINE ultrasonic level switch (LU10-1405) for corrosive liquid level detection in storage tanks.
Water and wastewater treatment — FLOWLINE guided wave radar sensor (LG10-1003-01) for level measurement in clarifiers and lift stations.
Oil and gas — FLOWLINE rod guided wave radar (LG10-0003-01) for level monitoring in separator vessels and sump tanks.
Food and beverage — FLOWLINE level controller (LC52-1001) for pump control in CIP (clean-in-place) systems.
Pharmaceutical manufacturing — FLOWLINE coaxial guided wave radar (LG10-1003-01) for precise level measurement in stainless steel reactors.
Industrial tank farms — FLOWLINE reducer bushing (LM52-1400) for adapting ultrasonic sensors to existing tank openings.

FLOWLINE Products

3G Electric supplies FLOWLINE ultrasonic level transmitter/switch/controller units. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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