Key facts
- Brand
- FlowLine
- Model
- LU78
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-12
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Flowline EchoSwitch Ultrasonic Level Switch and Transmitter LU74, LU77 & LU78 Series User Manual
The EchoSwitch is a general-purpose ultrasonic level switch that provides non-contact technology to control up to three unique devices such as pumps, valves, or alarms. It features push-button configuration using real engineering values for setting relay operations and includes an integrated timer for pump/valve delay and alternation.
Read onlineFlowline LU78 specifications
| Range (LU77) | 4" to 8.2' (10 cm to 2.5m) |
|---|---|
| Range (LU78) | 8" to 24.6' (20 cm to 7.5m) |
| Repeatability | 0.25" (6.35 mm) |
| Supply voltage | 95-250 VAC |
| Contact rating | 60 VA, 1A max |
| Enclosure material | Polycarbonate (PC) |
Source: Flowline EchoSwitch II Ultrasonic Level Switch User Manual
All Flowline LU78 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I register my product for warranty?
Go to the Flowline website and find on-line registration under Contact Us in the Navigation Bar.
From: Flowline EchoSwitch II Ultrasonic Level Switch User Manual
Can I use this switch in hazardous environments?
No, the EchoSwitch II should not be used within classified hazardous environments.
From: Flowline EchoSwitch II Ultrasonic Level Switch User Manual
How do I enter the configuration menu?
Hold down the SELECT button for 5 seconds until the display begins to scroll through the top level of the configuration menu.
From: Flowline EchoSwitch Ultrasonic Level Switch and Transmitter LU74, LU77 & LU78 Series User Manual
What units can be selected for configuration?
Users can select between Inches, Centimeters, Feet, Meters, or Percent.
From: Flowline EchoSwitch Ultrasonic Level Switch and Transmitter LU74, LU77 & LU78 Series User Manual