Level Transmitters


Series	LR11	LR16	LR21	LR26	LR31
Classification	Intrinsically safe	Intrinsically safe	Intrinsically safe	Intrinsically safe	Intrinsically safe
Media	Liquids	Liquids	Liquids	Liquids	Liquids
Application	Storage	Storage	Storage	Process	Lift station
Process condition	Easy	Difficult	Difficult	Extreme	Difficult
Tank location and material	Above grade metal or below grade in any tank material	Above or below grade in any tank material	Above or below grade in any tank material	Above grade metal or below grade in any tank material	Below grade in any tank material
Corrosive	Yes	Diluted	Yes	Yes	Diluted
Range	32.8′ (10m)	98.4′ (30m)	65.6′ (20m)	114.8′ (35m)	98.4′ (30m)
Output	4-20 mA + HART^®	4-20 mA + HART^®	4-20 mA + HART^®	4-20 mA + HART^®	4-20 mA + HART^®
Installation	Tank adapter or flange	Tank adapter or flange	Flange	Flange	Bracket
Mount	1 1/2″ NPT	1 1/2″ NPT	3″, 4″ ANSI	4″, 6″ ANSI	Bolt
Max. temperature	176º F. (80º C.)	302º F. (150º C.)	302º F. (150º C.)	266º F. (130º C.)	212º F. (100º C.)
Max. pressure	43.5 PSI (3 bar)	150 PSI (10 bar)	72 PSI (5 bar)	580 PSI (40 bar)	Atmospheric
Ant. material	PTFE	316L	316L & PTFE	316L & PTFE	Nylon


Series	LR10	LR15	LR20	LR25	LR30
Classification	General purpose	General purpose	General purpose	General purpose	General purpose
Media	Liquids	Liquids	Liquids	Liquids	Liquids
Application	Storage	Storage	Storage	Process	Lift station
Process condition	Easy	Difficult	Difficult	Extreme	Difficult
Tank location and material	Above grade metal or below grade in any tank material	Above or below grade in any tank material	Above or below grade in any tank material	Above grade metal or below grade in any tank material	Below grade in any tank material
Corrosive	Yes	Diluted	Yes	Yes	Diluted
Range	32.8′ (10m)	98.4′ (30m)	65.6′ (20m)	114.8′ (35m)	98.4′ (30m)
Output	4-20 mA	4-20 mA	4-20 mA	4-20 mA	4-20 mA
Installation	Tank adapter or flange	Tank adapter or flange	Flange	Flange	Bracket
Mount	1 1/2″ NPT	1 1/2″ NPT	3″, 4″ ANSI	4″, 6″ ANSI	Bolt
Max. temperature	176º F. (80º C.)	302º F. (150º C.)	302º F. (150º C.)	266º F. (130º C.)	212º F. (100º C.)
Max. pressure	43.5 PSI (3 bar)	150 PSI (10 bar)	72 PSI (5 bar)	580 PSI (40 bar)	Atmospheric
Ant. material	PTFE	316L	316L & PTFE	316L & PTFE	Nylon


Series	LR36	LR41	LR46
Classification	Intrinsically safe	Intrinsically safe	Intrinsically safe
Media	Solids	Solids	Solids
Application	Crusher, transfer station, bin	Crusher, transfer station, stockpile, silo, bin	Silo
Process dust	Minimal	Moderate	Significant
Range	49.2' (15m)	229.7' (70m)	229.7' (70m)
Output	4-20 mA + HART^®	4-20 mA + HART^®	4-20 mA + HART^®
Installation	Bracket or flange	Bracket or gimbal flange	Gimbal flange
Mount	1 1/2" NPT, 4" or 5" ANSI	1 1/2" NPT, 4" or 5" ANSI	4" or 5" ANSI
Max. temperature	392º F. (200º C.)	752º F. (400º C.)	752º F. (400º C.)
Antenna type	Horn	Horn	Parabola
Ant. air purge	No	Yes	No
Ant. dust shield	No	Option	No
Ant. material	316L	316L (with optional PTFE dust shield)	316L