BE-20R/4 Third Generation Audio Life Detector
Brand: Beijing Shengbolan
Model:BE-20R/4
main features
Beijing Shengbolan independently developed audio life detector, frequency filter: high-pass filter and band-pass filter.2One (can be matched originally)4Independent high-sensitivity audio vibration detectors are connected with8mCable.1An integrated high-sensitivity microphone and a high-power loudspeaker are connected to an audio sensor.8mCable. Built-in battery, rechargeable, one-time operation8hrStereo headphones with microphones.
BE-20R/4 audio frequencyThe life detector searches and locates the victims under the rubble.
Sensitivity makesBE-20R/4The life detector can effectively capture the small sound and vibration emitted by the victim.
BE-20R/4 The ultra-sensitive seismic wave detector in the life detector is connected to the intercom.
BE-20R/4 Life detector can be adjusted automatically without pre-adjustment
BE-20R/4The life detector is equipped with adjustable filters, which can effectively reduce the interference of other machines on the rescue site.
Technical parameters:
Host: Frequency Display with Audio Fluctuation
LCD size:260*190*65 mm(Long, wide, high).
Probe:4Path probe is equipped with8Meter cable, gainMore than 110 dB (30)ten thousandfold)。
Audio Channel Audio Amplifier GainLess than 120dB（SNR4:1time100ten thousandfold) 50HzPower Frequency Suppression DegreeMore than 40 dB (100)times)。
Working temperature:-20℃ reach60℃
Storage temperature:-40℃reach70℃
Heavy Quantity: Single machine weight:2.8Kg
Packing box weight:12.5Kg（4Sensors)
●Shape size:600*450*270 mm(suitcase)
High-frequency filter can filter out the audio beyond the set point and set the range.300HZ-5000HZ
Low-frequency filters can filter out audio below the set point. Scope setting1500HZ-300HZ
Detectible frequency range:50-15000HzReceiver sensitivityLess than 5μV
Audio waterproof probe to make the dialogue between victims and rescue workers clearer
One-button-to-one (button-to-phone) technology is the first time that the victim's voice can be conveyed. It has two-way intercom function and can adjust the volume.
Effective detection range: radius length less than50m
Stereo headset with microphone
Automatically limit volume and effectively protect the ear
The spare socket can be connected to a headset.
Power supply time: after full charge8hour
Charging time:2hour
Minimum charging temperature:-5℃
Other Options: Long Power Supply Time30Hours of special batteries
l ExternalBattery pack
l Charger onealternating current220V，50-60HZ
l Vibration-proof and waterproof packing box size:600*450*270 mm(Long, wide, high)