Pocket doppler BV-520P

● Implementation of the standards: YZB / Guangdong 1615-2012 ● Category: BF type of equipment ● Security Classification: internal power class ● Operating modes: continuous operation ● Band: The host: 200 ± 80 ~ 5000 ± 1000Hz ● Probe: 350 ± 80 ~ 2500 ± 500Hz ● External Output: Speaker ● Transmit waveform : sine ● Ultrasonic frequency: 8.0MHz ± 10% ● Average sound intensity ultrasonic power: ≤ 50mW / cm2 ● Speed range: not narrower than 40cm / s - 200cm / s ● velocity error: ≤ 20% (relative error) ● System gain:> 100dB ● Audio bandwidth: 0.2 KHz ~ 7.0 KHz ● Display: 320 x 240 dot TFT ● Power Supply: AC-DC work. (AC 220V/110V adapter; DC 9V /5000mA power,built-in lithium battery) ● Total power consumption: <50W; ● Continuous working time: ≥8 hours