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| FSS Low profile force sensor FEATURES * * * * * * * 0...1500 g range High impedance bridge Compact, commercial grade package Robust performance characteristics Ratiometric electrical output Extremely low deflection High ESD resistance APPLICATIONS * Medical infusion pumps * Ambulatory noninvasive pump pressure * Occlusion detection * Kidney dialysis machines * Load and compression sensing * Variable tensions control * Robotic end-effectors * Wire bonding equipment Scale: 1 cm 1/2 inch ELECTRICAL CONNECTION SPECIFICATIONS Maximum ratings Supply voltage Temperature limits Storage Operating Lead temperature (5 sec. soldering) Humidity limits Vibration (0 to 2000 Hz) (qualification tested, 0 to 2 KHz) Mechanical shock (qualification tested) Over force1 3..6 V -40 to +100C -40 to +85C 315C 0...99 %RH 20 g sine 150 g 4500 g Vs 1 4 - Vout Output 2 3 GND + Vout September 2004 / 591 1/3 www.sensortechnics.com FSS Low profile force sensor COMMON PERFORMANCE CHARACTERISTICS Vs = 5.0 0.01 V, tamb = 25C (unless otherwise noted) Characteristics Operating force Zero pressure offset Span 2 4 Min. 0 -15 150 Offset Span Typ. Max. 1500 +15 Unit g mV 180 0.5 -2200 +2200 0.7 210 Temperature effects (0 - 50C) Temperature effects on bridge impedance4 Linearity (BSL)3 Mechanical hysteresis Input impedance Output impedance ESD (direct contact, terminals and plunger) MCTF (main cycles to failure at 50C) 5 ppm/C 1.5 % sp a n mV 6.0 6.0 k kV 0.5 1.5 4.0 4.0 8 20 5.0 5.0 Repeatability at 300g5 million cycles Specification notes: 1. The maximum specified force which may be applied to the sensor without causing a permanent change in the output characteristics. 2. Span is the algebraic difference between the output voltage at full-scale force and the output at zero force. Span is ratiometric to the supply voltage. 3. Linearity (BSL), the deviation of measured output at constant temperature (25C) from "Best Straight Line" determined by three points, offset pressure, full-scale pressure and half full-scale pressure. 4. Error band of the offset voltage, span or bridge impedance in the specified temperature range, relative to the 25C reading. 5. Repeatability, the deviation in output readings for successive application of any given input force (all other conditions remaining constant. Hysteresis, the error defined by the deviation in output signal obtained when a specific force point is approached first with increasing force, then with decreasing force or vice versa (all other conditions remaining constant). 2/3 September 2004 / 591 www.sensortechnics.com FSS Low profile force sensor OUTLINE DRAWING Pin 1 3.81 (0.15) 4x 0.76 (0.03) 4x 2.54 (0.10) 2 Pin 1 is designated by the laser marked surface 6.10 9.14 (0.24) (0.36) 4 1.57 (0.06) 4x 0.25 (0.01) 3 0.50 (0.02) 5.59 (0.22) 3.25 (0.13) 0.76 (0.03) mass: 2 g dimensions in mm (inches) ORDERING INFORMATION PART NO. FSS1500NST FSS1500NSB FSS1500NSR PACKAGING STYLE tube (multiples of 100) blister pack tape and reel (multiples of 1500) Sensortechnics reserves the right to make changes to any products herein. Sensortechnics does not assume any liability arising out of the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. September 2004 / 591 3/3 www.sensortechnics.com |
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