400EP125.-NBPN

**Air Ultrasonic Ceramic Transducers 400EP125** 

**Dimensions:** dimensions are in mm 

## **Specification** 

**400EP125** Transceiver **Center Frequency** 40.0 ± 1.0Khz **Bandwidth** (-6dB) 400EP125 1.5Khz **Transmitting Sound Pressure** 98dB min. **Level** (with rubber sleeve) at resonant frequency; 0dB re 0.0002 µ bar per 10Vrms at 30cm **Receiving Sensitivity** (with -80dB min. rubber sleeve) at resonant frequency 0dB = 1 volt/ µ bar **Nominal Impedance (Ohm)** 1000 **Ringing (ms)** @25 ° C 1.2 max. **Capacitance** at 1Khz ± 20% 1400 pF **Max. Driving Voltage** (Cont.) 20Vrms 20 bursts, 25ms repetition rate 100Vpp **Total Beam Angle** -6dB 125 ° ° **Operation Temperature** -30 to 80 C ° **Storage Temperature** -40 to 85 C 

**Impedance/Phase Angle vs. Frequency Tested under 1Vrms Oscillation Level** 

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**Sensitivity/Sound Pressure Level SPL Tested under 10Vrms@30cm** 

**Beam Angle: Tested at 40.0Khz frequency** 

All specification taken typical at 25 ° C Models of less ringing are available 

Models available: 1 400EP125 Natural Aluminum Housing ~~ee~~ 

> Supplied by MIDAS COMPONENTS LTD,  www.midascomponents.co.uk,  tel: +44 1493 602602,  fax: +44 1493 665111 Supplied by MIDAS COMPONENTS LTD, www.midascomponents.co.uk, tel: +44 1493 602602, fax: +44 1493 665111.