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EchoPro® LR16 Radar Liquid Level Sensor Transmitter
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APPLICATION
The intrinsically safe 26 GHz. pulse radar transmitter provides continuous level measurement up to 98.4’ (30m) with a 4-20 mA analog and HART digital signal output, and is configured via its integral push button display module or HART communicator. The non-contact liquid level sensor is intended for petroleum, water, wastewater and diluted chemical storage or process conditions in above or below grade tanks of any material. Select this sensor for challenging process conditions with diluted or non-corrosive media, light surface foam or agitation, higher temperature or pressure, condensation or vapor, and installation in a tank adapter, flange fitting or metal stand-pipe. Typical applications include bulk storage, tanker truck, RO storage, process tank, waste sump and neutralization tanks.
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FEATURES
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 Rugged 316L stainless steel antenna and process mount
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Configuration via push button display or HART communicator
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26 GHz. pulse radar is unaffected by vapor or condensation
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12” (30cm) dead band enables utilization of the entire tank
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LCD displays level in feet or meters with percent of span bar
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Optional display mode indicates the echo signal return curve
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Auto-temperature compensation for accurate measurement
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Fail-safe diagnostics with selectable signal fail-safe outputs
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Recognition, storage and rejection of false echo signal returns
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IP67 stainless enclosure with polycarbonate display window
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SPECIFICATIONS
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Range |
12” to 98.4’ (30cm to 30m)
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Frequency |
26 GHz
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Accuracy |
± 3mm
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Dead band |
12” (30cm)
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Beam angle |
– 20: 18º, – 30: 12º, – 40: 8º
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Configuration |
Push button, HART 7
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Memory |
Non-volatile
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Display type |
LCD, dot matrix
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Display units |
Feet and meters
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Display bar |
Percent of span
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Display graph |
Echo signal curve
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Supply voltage |
21.6 to 26.4 VDC
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Max. consumption |
22.5 mA
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Signal output |
4-20 mA, two-wire, HART 7
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Signal invert |
4-20 mA, 20-4 mA
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Signal fail-safe |
3.9 mA, 20.5 mA, 22 mA
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Process temp. |
F: -40º to 302º, C: -40º to 150º
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Temp. comp. |
Automatic
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Storage temp. |
F: -40º to 176º, C: -40º to 80º
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Pressure |
-14.5 to 150 psi (-1 to 10 bar)
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Enclosure rating |
IP67
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Encl. material |
316L stainless steel w/silicone gasket
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Encl. window mat. |
Polycarbonate
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Conduit entrance |
(1) 1/2” NPT connector
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Antenna material |
316L
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Process mount |
1-1/2” NPT
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Classification |
Intrinsically safe
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Approvals |
ATEX  IIG Ex ia II C T6…T3 Ga; IEC Exia IIC T6…T3 Ga; CSA Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; (T6…T3) Class I Zone 0 AEx ia IIC (T6…T3) Ga Zone 20 AEx ia IIIC (T76ºC to T146ºC) Da Ex ia IIC (T6…T3) Ga Ex ia IIIC (T76ºC to T146ºC) Da
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Entity parameters |
Install per control drawing #301901
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Certification |
FCC
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Compliance |
CE, CRN, RoHS
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