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EchoSpan™ Two-Wire Ultrasonic Level Transmitter
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LU81
LU83
LU84
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The EchoSpan™ Transmitter is great for non-contact level measurement is perfect for applications in restricted space and difficult ultrapure or corrosive media. Easily calibrated with simple buttons, the Echo Span will display in either centimeter or inch values, and it features Setup and Diagnostic feedback modes to make use even easier.
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-Specifications-
Range: |
LU81: 4” to 16.4’ (10 cm to 5 m)
LU83: 8” to 26.2’ (20 cm to 8 m)
LU84: 12” to 32.8’ (30 cm to 10 m) |
Process Temp: |
F: -4 to 140
C:-20 to 60 |
Accuracy: |
+/- 0.2% of span in air |
Temp Comp: |
Automatic |
Resolution: |
LU81: 0.039 (1 mm)
LU83: 0.039 (1 mm)
LU84: 0.078: (2 mm) |
Electronics temp: |
F:-40 to 160
C:-40 to 71 |
Beam width: |
3” (7.6cm) dia. |
Pressure: |
30 psi (2 bar) @ 25°C, derated at 1.667 psi (113 bar) per °C over 25°C |
Dead band: |
LU81: 4” (10cm)
LU83: 8” (20cm)
LU84” 12 (30cm) |
Enclosure rating: |
NEMA 4X (IP65) |
Display type: |
LCD, 6-digits |
Enclosure vent: |
Water tight membrane |
Display units: |
Inch, cm or percentage |
Enclosure mat: |
PC/ABS FR |
Memory: |
Non-volatile |
Transducer mat: |
PVDF |
Supply voltage: |
12-28 VDC |
Process mount: |
2" NPT (2"G) |
Loop resistance: |
500 Ohms @ 24 VDC |
Mount gasket: |
Viton |
Signal output: |
4-20 mA, two-wire |
Conduit entrance: |
Dual, 1/2" NPT |
Signal invert: |
4-20 mA or 20-4 mA |
Classification: |
General purpose |
Calibration: |
Push button |
CE Compliance: |
EN 61326 EMC |
Fail-safe: |
4 mA, 20 mA, 21 mA, 22 mA or hold last |
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