300HE100 Pro-Wave Electronics

Pro-Wave Electronics Corp. 1 Scope This specification covers the high frequency air ultrasonic transducer which is used for double feed detection for scanners, copy machines, bank notes counters and others. 2 Part Number 300HE100 High Frequency Air Ultrasonic Transducer 3 Dimension As per Figure 1 4 Specification (rated at temperature 253, 45 to 60% RH, unless otherwise noted) Items Specification Remarks 4-1 Operation Frequency 300KHz driving frequency: 300KHz driving voltage: 10Vp-p, square wave 2.0mVp-p burst number: 5 4-2 Overall Echo Sensitivity repetition rate: 10ms -74dB (min) reflection distance: 10cm detail see attached Figure 2 4-3 Capacitance 1500pF 20%, measured at 1 KHz 4-4 Beam Angle 12 (TYP.) -6dB (Overall Sensitivity) 5 bursts 50Vp-p more burst number less voltage 4-5 Maximum Driving Voltage 12Vp-p continuous square wave 4-6 Operating Temperature -20 to +60 4-7 Storage Temperature -30 to +70 4-8 Operating Humidity 15% to 90%RH use without condensation 4-9 Storage Humidity 10% to 90%RH use without condensation 1Pro-Wave Electronics Corp. 5 Sensitivity vs. Driving Burst Number: Driving voltage 10Vp-p square wave, Reflection target distance: 10cm 300KHz 6 5 4 3 2 1 0 0 5 10 15 20 25 30 Burst Number 6 Bandwidth vs. Driving Burst Number: Driving voltage 10Vp-p square wave, Reflection target distance: 10cm 7 5 Bursts 10 Bursts 6 20 Bursts 5 4 3 2 1 0 250 260 270 280 290 300 310 320 330 340 350 Frequency (KHz) 2 Sensitivity (mV) Sensitivity (mV)