● Bluetooth (extensions).

● built-in internal printer

 

● Implementation of the standards:  YZB / Guangdong ********2 

● Category: Security Classification: BF type / type of equipment / internal power class Operating modes: continuous operation

● Band: The host: **0 ± *0 ~ ***0 ± ***0Hz
● Probe: **0 ± *0 ~ ***0 ± **0Hz
● External Output: Speaker
● Transmit waveform : sine
● Ultrasonic frequency: 8.0MHz ± *0%
● Average sound intensity ultrasonic power: ≤ *0mW / cm2
● Speed range: not narrower than *0cm / s - **0cm / s
● velocity error: ≤ *0% (relative error)
● System gain:> **0dB
● Aaudio bandwidth: 0.2 KHz ~ 7.0 KHz
● Display: **0 x **0 dot-matrix TFT
● Power Supply: AC-DC work. (AC **0V; DC 9V / **0mA power adapter,built-in lithium battery)
● Total power consumption: <*0W;
● Continuous working time: ≥8 hours