2.5 64 mm SM2 Linear Position to 25 inches (635 mm) Fits In Tight Spaces Handy Mounting Bracket Polycarbonate Enclosure Free Release Tolerant In Stock for Quick Delivery SPECIFICATIONS Available Stroke Ranges 2.375, 7.5, 12.5, 25 inches Output Signal voltage divider (potentiometric) Accuracy .25% to 1% FS. (see ordering info) Repeatability .05% FS. Resolution essentially infinite Measuring Cable .014-inch dia. nylon-coated stainless steel Maximum Acceleration 15 g (retraction) Measuring Cable Tension 5.1 oz. (1,4 N) 30% Sensor plastic-hybrid precision potentiometer 1.7 43 mm 1.8 45 mm Input Resistance 10K ohms, 10% Power Rating, Watts 2.0 at 70F derated to 0 at 250 Maximum Input Voltage 30 V (AC/DC) Sensitivity 940 40 mV/V FS Just like the SM1, the SM2 is the perfect sensing solution when tight space is an issue. With its rug- Cycle Life see ordering information ged compact design, handy mounting bracket and Electrical Connection 40 inch (1 m), 24 ga. shielded 3-conductor a 40-inch electrical cable for easy signal connec- cable tion, the SM2 is the perfect solution for the OEM Enclosure glass-filled polycarbonate and single piece users alike. Environmental IP 50 Operating Temperature 0 to 160 F (-18 to 70 C) At just a little over an inch across, this miniature Weight (not including bracket) 3 oz (90 g) stringpot offers full stroke measurement ranges from 2 to 25 inches. A precision plastic hybrid 10K-ohm potentiometer delivers a voltage divider output signal that is linearly proportional to the trav- el of the spring-loaded measuring cable. Output Signal: ORDERING INFORMATION full stroke accuracy +in Order No. range (% of f.s.) cycle life 2.375 in 10k 1.00% 2.5M cycles SM2-2 (60 mm) V (+out) 7.5 in 500K cycles 0.25% SM2-7 common +out (191 mm) (0% fs.) (100% fs.) 12.5 in 0.25% 500K cycles SM2-12 cable extension (318 mm) spring loaded includes sensor & cable reel 25 in mounting bracket. 0.25% 250K cycles SM2-25 (635 mm) SENSOR SOLUTIONS /// SM2 PAGE 12.50 63,6 SM2 Miniature String Pot Voltage Divider Output Electrical Connection: Mounting Options: +in (red) +out common Simply remove the bracket and the sensor can easily be rotated forwards or backwards... (green) (black) ...or mount it on its face Outline Drawing (w/bracket): 1.13 28,7 eyelet detail mounting holes .191 4,19 * .144 3,65 thru .375 9,52 ** (6 places) .165 4,19 ** 0.49 12,4 0.06 1,6 *tolerance = +.005 .001 +.13 .03 1.40 35,6 **tolerance = +.005 .005 +.13 .13 see detail 0.53 13,3 0.49 12,3 0.41 3,5 0.47 11,9 0.80 20,3 electrical cable 1.70 43,2 max. 1.79 45,4 max. 24 GA, 3-conductor, shielded INCHES MM 40 in. 1 meter long SENSOR SOLUTIONS /// SM2 PAGE 2 1.89 48,0 1.28 32.5