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APT SENSORS-ABDOMINAL PRESSURE RF TWIN SENSORSTRANSPOLIS produces Abdominal Pressure Twin Sensors (APTS*)developed by IFSTTAR for the Q-dummies serie, which are an essential tool for the in-depth assessment of child restraint systems. The use of APTS has been recommended in the international UN Regulation No. 129 Enhanced Child Restraint System(ECRS)since 2014Each sensor is composed of a soft cylindrical elastomer bladder. filled with a thick liquid and closed by a metal cap containing a miniature pressure sensor. The key design of the fluid-elastomer assembly accurately represents the stiffness of the abdominal tissues.The ability of the restraint system to meet with the regulatory criterion is assessed by recording the sensor pressure during the crash test. For testing, the sensors are vertically implanted by pair in the abdomen;  they enable the provision of relevant information needed for the assessment of abdominal injuries. The APTS are currently available in three sizes:●  a nominal digmeter of 30mm for Q1/1.5  abdomen,●  a nominal diameter of 40mm for Q3 and Q6 abdomens,●  a nominal diameter of 50mm for Q10 abdomen,   Technical SpecificationsRange(bar)10Overange (bar)20Max Error (% full scale)0.35Compensated temperature(℃)0-60Excitation(VDC)2.5 to 10Typical Output sensitivity( mV/V/bar )1Electrical connectionLemo push-pull(1B serie)Cable lenght(m)9 SENSOR TYPEAPTS30APTS40APTS50Dimensions L xD(mm)105x30125 x 40141 x 50Weight (g)81+/-5%160+/- 5%272+/- 5%Static response (bar/mm)1.01/10.81+/-10%0.67/16.51+/-10%0.60/15.81+/-10%Special Abdomen Part Num.Q1/1.5:P/N 036-5005-PRQ3: P/N 020-5005-PRQ6: P/N033-5005-PRQ10: P/N 010-4309-PR * Patented ©Transpolis
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