Catalogue - Compact string pot - Celesco

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Linear potentiometer, Position sensor, Displacement sensor, Draw wire sensor, Rotary encoder

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Compact String Pot

Ranges: Up to 50 inches Precision Potentiometric Output Low Cost • Fast Delivery

Handy Mounting Bracket

Mounts easily and quickly in several directions

Designed for Cable Misalignment

Long cable life, even when installation isn't perfect

Polycarbonate Enclosure

Withstands impacts and chemicals

"Free-Release" Tolerant

Greatly reduces damage due to mis-handling of cable

ecification Summary:

GENERAL

Full Stroke Range Options............................0-4.75, 0-12.5, 0-25, 0-50 inches

Output Signal...................................................voltage divider (potentiometer)

Linearity.................................................±0.25 to ±1.00% see ordering information

Repeatability........................................................................± 0.05% full stroke

Resolution.............................................................................essentially infinite

Measuring Cable.............................0.019-in. dia. nylon-coated stainless steel

Enclosure Material.....................................................................polycarbonate

Sensor ................................................. plastic-hybrid precision potentiometer

Weight.........................................................3 oz. (w/o mounting bracket) max.

ELECTRICAL

Input Resistance....................................................................10K ohms, ±10%

Power Rating, Watts........................................2.0 at 70°F derated to 0 at 250°

Recommended Maximum Input Voltage.....................................30 V (AC/DC)

Output Signal Change Over Full Stroke Range.......94% ±4% of input voltage

ENVIRONMENTAL

Enclosure..................................................................................................IP 50

Operating Temperature.............................................0° to 160°F (-18° to 71°C)

Vibration......................................................up to 10 G's to 2000 Hz maximum

The Celesco SP1 String Pot is a compact, economical and durable device that utilizes a flexible cable, a spring-loaded spool, and a potentiometer to detect and measure linear position.

The SP1 is designed for tight spaces, high-cycle applications and generously allows cable misalignment. With 4 different measurement ranges and handy mounting brackets, the SP1 is a perfect solution for many applications, from light industrial to OEM.

Output Signal




1 (+	jut)


		*; i*
		I l
		.
		*'<•*
		:CCW

Ordering Information:

o >

5 o

Item Number

full stroke range

accuracy (% of f.s.)

potentiometer cycle life

cable tension (±25%)


SP1-4	SP1-12	SP1-25	SP1-50
4.75 in.	12.5 in.	25 in.	50 in.
1.00%	0.25%	0.25%	0.25%
2.5M cycles	500K cycles	500K cycles	250K cycles
7 oz.	7 oz.	7 oz.	7 oz.

FULL STROKE RANGE

Celesco Transducer Products, Inc.

20630 Plummer Street » Chatsworth, CA 91311

celesco

celesco.com • info@celesco.com

62 I SPI

tel: 800.423.5483 • +1.818.701.2750 • fax: +1.818.701.2799

Compact string pot - Celesco - #1

Linear potentiometer, Position sensor, Displacement sensor, Draw wire sensor, Rotary encoder