Step One
SPECIFICATIONS
Range:
LU75: 2" to 4'
(5 cm to 1.2m)
LU72: 4" to 9.8'
(10 cm to 3m)
LU71: 4" to 16.4'
(10 cm to 5m)
LU73: 8" to 26.2'
(20 cm to 8m)
Repeatability:
0.25" (6 mm)
Adjustability:
Over entire range
Hysteresis:
LU72/5: 0.5" (1.2 cm)
(single set point)
LU71/3: 1" (2.5 cm)
(single set point)
Beam width:
LU72/5: 2" (5 cm) dia.
LU71/3: 3" (7.6 cm) dia.
Dead band:
LU75: 2" (5 cm)
LU71/2: 4" (10 cm)
LU73: 8" (20 cm)
LED indication:
Power, relay and echo status
Calibration:
Target, push button
Memory:
Non-volatile
Supply voltage:
50_5: 95-250 VAC
58_5: 12-28 VDC
Consumption:
50_5: 20 watts max.
58_5: 100 mA @ 24 VDC
Contact type:
(3) SPDT relays
Contact rating:
60 VA
Contact logic:
Single point: alarm
Two point: latching or
out of bounds alarms
Duplex or Alternation:
(Relays 1 and 2 only)
Contact fail-safety:
De-energizes during echo signal loss
Process temp.:
F: -4° to 140°
C: -20° to 60°
Temp. comp.:
Automatic
Electronics temp.:
F: -40° to 160°
C: -40° to 71°
Pressure:
30 psi (2 bar) @ 25° C., derated @
1.667 psi (.113 bar) per °C. above
25° C.
Enclosure rating:
NEMA 4X (IP65)
Enclosure vent:
Water tight membrane
Encl. material:
PC/ABS FR
Trans. material:
PVDF Kynar®
Process mount:
LU72/5: 1" NPT (1" G)
LU71/3: 2" NPT (2" G)
Mount. gasket:
Viton®
Conduit entrance:
Dual, 1/2" NPT
Classification:
General purpose
CE compliance:
EN 61326 EMC
(pending)
EN 61010 safety
1.2"
(32 mm)
1.9"
(49 mm)
3.9"
(100 mm)
5.2"
(133 mm)
2.4"
(62 mm)
1" NPT
(1" G)
0.75"
(19 mm)
LU75
LU72
2.5"
(63 mm)
4.5"
(1
14 mm)
5.2"
(133 mm)
3.0"
(76 mm)
2" NPT
(2" G)
1.7"
(44 mm)
4.1"
(104 mm)
5.2"
(133 mm)
3.8"
(96 mm)
40
30
20
10
00
-40
-20
00
20
40
60
80
Acceptable
Range
Unacceptable
Range
Temperature/Pressure Derating
Operating Pressure (psi)
Temperature (C¡)
LU71-5_ _5
LU73-5_ _5
Enclosure
Side View
LU75-5 _ _5
LU72-5 _ _5
Enclosure
Side View
LU7_-5 _ _5
Enclosure
Top View