LVIT Linear Position Sensor Spring Loaded LRS-18 Series

For use in:

Industrial Fluid Power Equipment

Steel, Aluminum, and Paper Mills

Steam and Hydro Power Plants

Factory Automation Systems

LRS-18 Series

Spring Loaded LVIT Linear Position Sensor

Long Lasting, Contactless, Inductive Sensors

The LRS-18 series of LVIT (Linear Variable Inductance Transducer) spring loaded position sensors by Alliance Sensors Group are contactless devices designed for dimension or position measuring applications in factory automation and in various industrial and commercial applications such as automotive testing, mil/aero test stands, robotic arms, and packaging equipment, where the sensing element cannot be attached to the object being measured. LRS-18s are offered in full scale ranges from 12.5 to 100 mm (0.5 to 4.0 inches) with excellent resolution and high stroke-to-body-length ratios. The maximum tip force on the item being measured is 1 pound.
LRS-18 sensors have a 19 mm (0.75 inch) diameter aluminum or stainless steel body with an M18 x 1 thread and come with two hex jam nuts for easy installation in place of an 18 mm analog prox sensor. These sensors use a 0.25 inch diameter probe equipped with an AGD No. 9 contact tip, and are offered with either an axial cable or a connector. Operating from a variety of DC voltages, the sensors are available with a choice of four analog outputs and they all include ASG’s proprietary SenSet™ field calibration feature. For more information, see the technical data sheet below.

Features

Spring loaded LVIT Technology™ (Linear Variable Inductance Transducer)
Contactless operation
Excellent stroke-to-body-length ratio
Proprietary SenSet™ field adjustable range scaling

Specifications

Analog I/Os:	0 - 5 V or 0.5 - 4.5 V DC output with 8 - 30 V input, 35 mA max. 0 - 10 V DC output with 12 - 30 V input, 35 mA max. 4 - 20 mA (3-wire) output with 18 - 30 V input, 60 mA max. (75 C max.)
Measuring Ranges:	12.5 mm to 100 mm (0.5 to 4.0 inches) full scale (nominal)
Linearity Error:	±0.15% of Full Scale Output (FSO) typical, ±0.25% max.
Resolution:	0.025% of FS
Operating Temperature:	-20 to 85 C (-40 to 105 C Extended Range)
Temperature Coefficient:	≤±0.015% of FS/K
Vibration:	5-20 Hz 0.5 inch p-p; 20-2000 Hz 4.2 g p-p
Shock:	1000 g, 11 msec.
Terminations:	IEC IP-67
Humidity:	95% RH, non-condensing

Ordering Information

Position Sensor Terminations LR-19

				Electrical Termination
Series	Output	Housing Thread	Range (mm)	Axial or Radial	Termination	Output	Housing Material
LRS	X-	XX-	XXX-	X-	XX-	XX	X-
	E- voltage	18 - M18	013 (12.7 MM)	A- Axial	00- 1 m cable	05- 0.5 to 4.5 V DC	A- Aluminum
	I- current		025		01- 5-pin M-12	06- 4.5-0.5 V DC	S- 300 Series SS
			050		02- 6-pin PT02	10- 0-10 V DC
			075		03- 3 m cable	11- 10-0 V DC
			100			20- 4-20 mA
						21 - 20-4 mA
						50 - 0-5 V DC
						51 - 5-0 V DC

Configuration Information

Wiring Table
Function	Pin	Cable Color
+24 V DC input	1	Red
Ground	2	Black
LRSE voltage output	3	Green
LRSI current output	4	Green
SenSet™	5	White

'A' Nominal Range	'B' Body Length	Spring Rate	Max. Force
inches [mm]	inches [mm]	Lbf/in [kgf/cm]	Lbf [kgf]
0.5 [12.5]	3.50 [88.9]	0.75 [0.134]	0.6 [0.27]
1.0 [25]	4.00 [101.6]	0.75 [0.134]	1.0 [0.45]
2.0 [50]	5.08 [129.0]	0.43 [0.077]	1.0 [0.45]
3.0 [75]	6.16 [166.5]	0.30 [0.054]	1.0 [0.45]
4.0 [100]	7.26 [194.1]	0.23 [0.041]	1.0 [0.45]

All dimensions and specifications are nominal. With our policy of on-going development and design improvements, specifications may change without notice. Modifications may affect some or all of the mechanical electrical and or performance specifications of our product. Please make sure to contact us for the most up to date information.

Download LVIT Spring Loaded Position Sensor LRS-18 Datasheet

Download LVIT Spring Loaded Position Sensor LRS-18 Outline Drawing

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Our Technical Support Staff: We have more than 150 years and three generations in the position sensor business and are expert application engineers at what we sell. We have real world experience and know how to solve your measurement challenges. Need help technical help with your measurement application? Call us today 856-727-0250.

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LVIT Linear Position Sensor Spring Loaded LRS-18 Series

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