Flowline LU78 EchoSwitch User Manual
Page 3
Rev A
MN300282
3 of 34
SPECIFICATIONS/DIMENSIONS
Step Two
Range:
LU74: 8" to 18.0’
LU77: 4" to 9.8'
LU78: 8" to 26.2'
(20 cm to 5.5m)
(10 cm to 3m)
(20 cm to 8m)
Repeatability:
0.25" (6.35 mm)
Loop Output:
Isolated, Sinking
12 to 28 VDC
Dead band:
LU74: 8” (20 cm)
LU77: 4” (10 cm)
LU78: 8” (20 cm)
LCD indication:
Level and relay status, 6
character
Configuration:
Push button, digital (3)
Supply voltage:
95‐250 VAC, 20W @ 120 VAC
Contact type:
Relay 1, SPDT relays
Relay 2 and 3, SPST, N.O.
All commons connected
together
Contact rating:
2A, 30 VDC
60 W (DC), 125 VA
220 VDC, 250 VAC
Contact fail‐safety:
Programmable / selectable
Temp. comp.:
Automatic
Electronics temp.:
F: ‐40° to 140°
C: ‐40° to 60°
Pressure:
MWP = 30 PSI
Enclosure rating:
NEMA 4X (IP65)
Enclosure vent:
Water tight membrane
Encl. material:
Polycarbonate
Encl. hardware:
Brass and stainless
Trans. material:
PVDF
Process mount:
LU74: 2” NPT (G)
LU77: 1” NPT (G)
LU78: 2” NPT (G)
Mount. gasket:
Viton®
Conduit entrance:
Dual, 1/2” NPT
Classification:
General purpose
Compliance:
RoHS
Approvals:
CE (pending)
Side View
LU77 Series
Side View
LU74 & LU78 Series
Top View
All Models