Flowline EchoSwitch Series Ultrasonic Level Switch Ultrasonic Level Sensor, Vertical, PC Body

View all Level Sensors

Subtotal (1 unit)*

£989.72

(exc. VAT)

£1,187.66

(inc. VAT)

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  • Shipping from 12 November 2025
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1 +£989.72

*price indicative

RS Stock No.:
124-0130
Mfr. Part No.:
LU77-5004
Brand:
Flowline
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Brand

Flowline

Device Type

Ultrasonic Level Switch

Mounting Type

Vertical

Body Material

PC

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

+71°C

Maximum AC Voltage

250V

Maximum Current

20 mA

Maximum Pressure

2bar

Gasket Material

FKM

Series

EchoSwitch

Current Rating

2 A

COO (Country of Origin):
US

EchoSwitch LU77/74 Ultrasonic Level Switch


A general purpose ultrasonic level sensor with an integrated level controller. The unit is equipped with 3 programmable relays and a 4 to 20 mA output and is easy to program using the built-in push button display module. The relays can be set to a single set point or latched on two set points enabling simplex, duplex or triplex control modes. Each control mode features an adjustable time delay and fail safe logic.

Features and Benefits


NEMEA 4X polymer enclosure suitable for corrosive liquids
Three programmable relays
4-20 mA output signal
Narrow 2-3 inch beam width
4 or 8 inch dead-band (model dependant)
Automatic temperature compensation
Easy to setup using push button display module
Available with a 3 m or 5.5 m measuring range

Applications


The EchoSwitch LU74 and LU77 are suitable for various installations including corrosive, sticky or dirty liquids and ump lit stations, sump and day tank applications.

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