Celesco Transducer Products, Inc.
Chatsworth, CA 91311
Dec 04, 2006 Featuring aluminum or SS housing, IP68 rated string pots are used to measure linear position, using flexible cable and spring-loaded spool. Units have linear measurement ranges of 2-1,700 in. (PT8000 and PT9000 models), and rotary ranges from 1/8-200 turns (RT8000 and RT9000 models). They can be specified with 100 ft of molded electrical cable, with potentiometer, 4-20 mA, or 0-10 Vdc output options available.

Spectrum Sensors & Controls, Inc.,
Grass Valley, CA 95945
Oct 03, 2006 With min rotational life of 50 million cycles, 0.500 in. dia servo mount rotary potentiometer is designed for limited-space locations that require angular precision position feedback. It has 6 in. AWG lead wires to facilitate installation and offers 0.1% max output smoothness. Available with terminals located out back and various connector configurations, potentiometer provides electrical angle of 340° ±1° and independent linearity of ±0.5%.

BI Technologies Corp.
Fullerton, CA 92835-1051
Sep 26, 2006 Featuring 22 mm dia, 6130 series low profile single turn potentiometers include ¼ in. slotted shaft and .375 in. bushing. Conductive plastic potentiometers have 1-100 kW resistance range, and independant linearity of ±1%. Model 6137 with standard mounting configuration is capable of 5 million shaft revolutions, and is suited for closed loop control systems. With lifespan of 10 million shaft revolutions, 6138 withstands 1 lb side load and suits applications with severe mounting restrictions.

Spectrum Sensors & Controls, Inc.,
Grass Valley, CA 95945
Jul 12, 2006 Miniature square motorized potentiometer features 1.550 in. square mounting flange, 22 AWG 9.5 in. min. lead wire for motor, and 28 AWG 9.5 in. min. wire for potentiometer. Unit provides 340°±1° electrical angle, 1.0 W @ 70°C power rating, and ±5% independent linearity and uses passivated stainless steel shaft with 0.625 in. flatness. Sensor has anodized aluminum housing and suits medical shutter control sensor applications.

Microchip Technology, Inc.
Chandler, AZ 85224 6199
Mar 03, 2006 Offered in 5- and 6-pin SOT-23 as well as 2 x 3 mm DFN packages, 6-bit MCP40xx series offers typ power consumption of 0.3 µA and 1.8 V operation for handheld equipment and portable applications. Models MCP4011, MCP4012, MCP4013, and MCP4014 exhibit Integral and Differential Non-Linearity of ½ LSB max and operate in temperatures from -40 to +125°C. End-to-end temperature coefficient is 100 ppm typ, while ratiometric temperature coefficient is 10 ppm typ.

Micronor
Newbury Park, CA 91320
Dec 21, 2005 Able to automate existing systems, MR267 remotely controls motorized potentiometer and/or rotary cam switch via 4-20 mA current loop, 0-2.5 V input, or external potentiometer. User-specified potentiometers provide absolute positional feedback information or function as variable resistor in analog control or bridge circuit. Rotary limit switches are programmed, via cams, to electrically control events or provide status at pre-stages.

BI Technologies Corp.
Fullerton, CA 92835-1051
Nov 23, 2005 Sealed, surface mount, 3mm cermet potentiometer Model 22 provides extended resistance range to 2 Mohms, standard resistance tolerance to ±20%, and absolute TCR values to ±100 ppm/°C with power ratings to 0.125 W at 70°C. Available in J-hook and side mount packaging, RoHS-compliant, single-turn unit features 12 mm tape width and 4 mm sprocket pitch. Operating temperature range is -55 to +125°C.

BI Technologies Corp.
Fullerton, CA 92835-1051
Nov 22, 2005 Available in J-hook SMT packaging, 3 mm multi-turn Model 43 is RoHS-compliant and suited for applications involving cellular base stations, night vision systems, set-top boxes, and portable test and measurement equipment. Cermet trimming potentiometer has resistance range of 10 Ω to 2 MΩ, with standard tolerance to ±20% and absolute TCR values to ±100 ppm/°C. It offers power ratings to 0.125 W at 70°C and has -65 to +150°C operating temperature range.

Vishay Intertechnology, Inc.
Malvern, PA 19355 2143
Jan 24, 2005 Able to be used in multiple-device assemblies with up to 7 modules, Sfernice P9S and P9A are 9 mm ganged potentiometers that utilize CERMET and conductive plastic resistive elements, respectively. Depending on model, max resistance is rated up to 1 or 2.2 Megohm by linear law and 500 Kohm or 1 Megohm by non-linear law. Shaft styles include 3.5 and 6 mm dia round, slotted, flat, and knurled styles with lengths from 15, 20, 25, and 30 mm.

Novotechnik U.S., Inc.
Southborough, MA 01772
Oct 12, 2004 With variety of shafts, housings, bushings, and bearings that can be mixed and matched, miniature Series PL300/310 can be configured to customer specifications. Units feature metal multi-finger wipers, gold-plated solder pins, and stainless steel shafts. Measuring 22.2 mm in diameter, they provide repeatability to 0.1° with linearity of ±0.25% over life of 10⁶ movements. Mechanical travel is 360° continuous and electrical range is 340° or 348°.

Austria Microsystems Incorporated
Raleigh, NC 27615
Jun 22, 2004 Available in 5 x 4 mm, 8-pin SOIC package, AS1500 series operates over -40 to +125°C temperature range in applications where resistor value must be changed automatically by microprocessor. Functions, unaffected by mechanical disturbances such as vibrations and shocks, are also immune to mechanical abrasion. With 256 programmable steps, series is available with 10, 20, 50, and 100 kohm resistors. Resistance between wiper and endpoint of resistor is linear.

Piher International Corp.
Libertyville, IL 60048
May 27, 2004 Model PT-15 Xtra Long Life combines 100,000 cycle mechanical life, -40 to +85°C working temperature range, and reflow solder capability. It is designed to satisfy demand for extended mechanical life in sensors and controls. Applications include consumer appliances, automotive, industrial, and multimedia. Product has following quality certificates: ISO 14001 and ISO TS 16949.

Datatran Labs, Inc.
Sussex, NJ 07461 0384
Apr 09, 2004 Heavy-duty, geared potentiometer provides dancer roll position feedback signals. Able to handle up to 80 lb of radial load, stainless steel input shaft is supported by double-sealed and prelubricated ball bearings. Unit does not contain internal stops and is mounted in steel box with screw-on cover. Rated for 1 W, it provides better than 1% linearity with infinite resolution and offers over 700 gear ratios from .06–25 turns of input shaft.

BEI - Duncan Electronics
Irvine, CA 92618
Jun 13, 2003 Series 5320 shaft-driven, panel potentiometer is fully sealed and impervious to contamination and moisture. It withstands storage temperatures up to 150°C and offers continuous operation at 125°C. Unit delivers more than one million full rotation cycles and is rated to meet requirements of International Electrotechnical Commission 529 for Enclosure Protection IP66 and IP67. It is suitable for position feedback and operator input applications.

EAO Switch Corp.
Milford, CT 06460 3670
Jun 02, 2003 Able to mount in 22.5 mm dia holes, potentiometers offer linear resistance values from 5–100 K Ohms. Other values and units with on/off switches are available as custom designs. Oil- and water-tight units are suitable for use in harsh industrial environments. They employ large knobs that enable operation even while wearing gloves. Sealed bodies are also available to accept other potentiometer units with 6 mm diameter by 32 mm long shaft.

Dart Controls, Inc.
Zionsville, IN 46077
May 21, 2003 Series DP4 microprocessor-based potentiometer supports bipolar connections with power supplies of ±10 Vdc or lower, for either regenerative or standard relay reversing control applications. Unit is suitable for new equipment as well as retrofitting most AC or DC drive systems where repeatable speed setting and digital readout are desired.

JDK Controls, Inc.
Grass Valley, CA 95945
Jan 27, 2003 Potentiometers offer 100,000,000 revolutions/strokes minimum life, providing alternative to encoders, LVDT's RVDT's, and resolvers. Flush circuit element produces long life. Units are available in standard or custom designs, with open or closed packaging. Applications include actuators, robotic joints, motor feedbacks, valve positioning, engine controls, and joysticks/video controls.

JDK Controls, Inc.
Grass Valley, CA 95945
Oct 22, 2002 Potentiometer features flange mount anodized aluminum housing and external gear mounted to shaft. Gear is specified by user and electrical/mechanical phasing is also available. Unit is .875 in. OD with 0.5% standard linearity. Custom linearities are available. Life is minimum of 100 million revolutions.

Electro-Sensors, Inc.
Minnetonka, MN 55343 9108
Aug 16, 2002 Multi-function Accu-Dial, with 4-digit LCD display, provides visual confirmation of set points. Precise 10-turn potentiometer mounts through 0.375 in. hole and has 3-wire connection to allow for retrofitting. LCD display, with 0.000 to 9,999 range, can be calibrated in any user-defined units. Programming is accomplished via 2 push-buttons on front panel of unit. All calibration data is stored in EEPROM.

U.S. Laser Corp.
Wyckoff, NJ 07481
Jul 05, 2002 Autolase 2000 Nd:YAG laser resistor trim system features high speed galvanometer beam steering for fast cuts, CCTV magnified viewing of work area, and system control via Pentium PC and menu driven trim software. Measurement system provides for wide range of resistance and DC voltage ranges as well as easy connection to external instrumentation. Step and repeat handler/prober is available in sizes up to 16 x 16 in. to allow system customization.