User Manual

23 MAR 11 EchoSonic II 7 of 24
Rev B MN300610
Specifications:
Range:
Accuracy: ± 0.2% of range
Resolution: LU27: 0.019” (0.5mm)
LU23: 0.039” (1mm)
LU28: 0.079” (2 mm)
LU28: 0.079” (2 mm)
Dead band: LU27: 4” (10cm)
LU23/28/29: 8” (20cm)
Beam width: LU27: 2” (5cm)
LU23/28/29: 3” (7.6cm)
Configuration: WebCal® PC
Windows® USB 2.0
Memory: Non-volatile
Supply voltage: 24 VDC (loop)
Consumption: 0.5 W
Loop resistance: 500 Ohms @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA or 20-4 mA
Signal fail-safe: 4 mA, 20 mA, 21 mA,
22 mA or hold last
Process temp.: F: -4° to 140°
C: -20° to 60°
Temp. comp.: Automatic
Ambient temp.: F: -31° to 140°
C: -35° to 60°
Pressure: MWP = 30 PSI
Enclosure type: Type 6P encapsulated,
corrosion resistance &
submersible
Encl. material: Polycarbonate
Trans. material: PVDF
Cable jacket mat.: Polyurethane
Cable type: 4-conductor shielded
Cable length: 10’ (3 m)
Process mount: LU27: 1” NPT (1” G)
LU23/28/29: 2” NPT (2”
G)
Mount. gasket: Viton®
Classification: General purpose
Compliance: CE, RoHS
Approvals: cFMu
Dimensions:
Side View / LU27 Series
Side View / LU23, LU28 and LU29 Series
LU27: 4" to 9.8'
(10 cm to 3 m)
LU23: 8" to 18.0'
(20 cm to 5.5 m)
LU28: 8" to 26.2'
(20 cm to 8 m)
LU29: 8" to 32.8'
(20 cm to 10 m)