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Level Transmitters

EchoPulse LR21 Pulse Radar Liquid Level Sensor EchoPulse LR16 Pulse Radar Liquid Level Sensor
Series LR20 LR15 LU23-29 LR21 LR16
Technology Pulse radar Pulse radar Ultrasonic Pulse radar Pulse radar
Classification General purpose General purpose General purpose Intrinsically safe Intrinsically safe
Corrosive Yes Diluted Yes Yes Diluted
Foam Yes Yes No Yes Yes
Vapor Yes Yes No Yes Yes
Condensation Yes Yes Minimal Yes Yes
Max. range 65.6′ (20m) 98.4′ (30m) 32.8′ (10m) 65.6′ (20m) 98.4′ (30m)
Output 4-20 mA 4-20 mA 4-20 mA 4-20 mA + HART® 4-20 mA + HART®
Max. temperature 302 F. (150°C.) 302 F. (150°C.) 140° F. (60° C.) 302 F. (150°C.) 302 F. (150°C.)
Max. pressure 72 PSI (5 bar) 150 PSI (10 bar) 30 PSI (2 bar) 72 PSI (5 bar) 150 PSI (10 bar)
Installation Flange Tank adapter or flange Tank adapter or flange Flange Tank adapter or flange
Mount 3″, 4″ ANSI 1 1/2″ NPT 1″, 2″ NPT (G) 3″, 4″ ANSI 1 1/2″ NPT
Configuration Push button Push button WebCal software Push button + HART® Push button + HART®
Probe material 316L & PTFE 316L PVDF 316L & PTFE 316L

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