SX-4388 LH3 Steering Torque Sensor The LH3 torque sensor is ideally suited for demanding Electric Power Steering systems. ELECTRICAL1 Torque Signal Linearity ±3% Torque Hysteresis 0.5% Torque Signal Microgradient ±30% of theoretical slope over 0.4° interval Torque Signal Sensing Angle ±8° Total Resistance 833 Ω ±30% MECHANICAL Torque Mechanical Travel ±11.4° Turning Torque (rotor to rotor) 0.03 NM Max. Turning Torque (rotor to housing) 0.06 NM Max. Weight 95 grams maximum ENVIRONMENTAL Operating Temperature Range -40°C to +85°C Shock 14 ms half-sine at 300 m/s2 Vibration 10 to 55 Hz with 1 mm P-P constant displacement, 120 hours each of 3 planes Torque Rotational Life 1 million cycles Storage Temperature Range 1 -40°C to +105°C RoHS 2 Pb compliant Specifications subject to change without notice. BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 January 28 2015 Website: www.bitechnologies.com SX-4388 page 1 of 4 SX-4388 OUTPUT CHART Torque Sensor Output 100% 90% % of Input Voltage 80% 70% 60% T1 T2 50% 40% 30% 20% 10% CW direction -> 0% -10 -8 -6 -4 -2 0 2 4 6 8 10 Relative Rotation Between Position Rotor & Torque Rotor (Degrees) BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 January 28 2015 Website: www.bitechnologies.com SX-4388 page 2 of 4 SX-4388 OUTLINE DRAWING 5.19.08 BLUE TUBING 26.42 18.26 +1.01 -0.50 21.74 +1.01 -0.50 267.21 12.5 15 MAX 70 CCW 4 1 CW 57.2 48 TORQUE ROTOR TO INTERFACE WITH UPPER SHAFT 81 22 Tolerances ±0.25 mm unless otherwise specified. See drawing # 122-4388-80 for details. U BARCODE LABEL PINOUTS . . . A C 2000 BI TECHNOLOGIES CORP. PIN OUTS-6 PIN CONNECTOR PACKARD 15336723 1 4 PIN No. 1 2 3 4 5 6 2 5 SIGNAL T1 Vcc T2 GND 3 6 WIRE COLOR BLUE RED PURPLE NOT USED BLACK NOT USED Code 128 symbology 4388 A Y DDD T SSSS Model # BI revision letter BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 January 28 2015 T ±.01 ±.005 ±.0005 ± 0°30' Website: www.bitechnologies.com SX-4388 page 3 of 4 Last digit of year Tester # Day of year Sequential serial # AU SX-4388 RECOMMENDED INTERFACE BI Technologies Corporation 4200 Bonita Place, Fullerton, CA 92835 USA Phone: 714 447 2345 January 28 2015 Website: www.bitechnologies.com SX-4388 page 4 of 4