Main product introduction:

• Piezoceramics supersound sensor(anti-water type)
  Range of applicability:
  1. The telequipment of rousehold electric appliances and other electronic apparatus.
  2. The switch of supersonic sounding?automobile astern fender installation and ultrasonic approach.
  3. The ultrasonic emission and take-over of guard against theft and disaster prevention equipment.
• Product characteristic:
  1. Higher sensitivity, higher reliability and higher stability.
  2. Resistant inclement environmen condition of high and low temperature, resistant humidity, resistant impact and resistant libration etc.
• Nomenclature of the type:
  TC F 40-10 TR 1
  (1)(2) (3) (4) (5) (6)
  
  1. Piezoceramics supersound sensor, TC.
  2. Category:T-type of the currency; F-type of the waterresistant; U-type of the moisture resistance; K-type of Broad Band.
  3. Center frequency, KHz?
  4. Outer diameter, f(mm).
  5. Method of application: TR-double function of sending and take-over, T-type of the sending, R-type of take-over.
  6. Product's sepuence number: 1,2,3…….
• Normal temperature characteristic:

  Type	Frequency （KHz）	Sensitivity（0dB=v/Pa）	Output sound pressure(at10v,30cm) (0dB=0.02MPa)(min)	Static capacitance (±30%PF)	Over vibrancy time(ms)max
  TCF40－10TR1	40	-67	98	2000	0.5
  TCF40－12TR1	40	-67	100	2000	0.5
  TCF40－14TR1	40	-67	100	2000	0.5
  TCF40－16TR1	40	-67	100	2000	0.5
  TCF40－18TR1	40	-67	100	2000	0.5

• External dimensions(Refer to the next fig):
• Test circuit: Output sound pressure (emission type) test circuit sensititivity (take-over type) test circuit

1. Oscilator
2. Cymometer
3. Voltmeter
4. Emission type sensor
5. Standard take-over head
6. Soniferous magnifier

1. Oscillator
2. Cymometer
3. Standard emission head
4. Take-over type sensor
5. Millivoltmenter