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2017 - 10 - 21
Product Description:WTN6 series sound chip is 4-bit controller. At present there are three kinds of chip: WTN6010, WTN6020, WTN6040, WTN6090 (voice length is 10s,20s,40s,...
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Product DescriptionWT588D voice ic chip is multitime programmable music chip, 4 packages:  DIP18, SSOP20, SSOP28, LQFP32.It support silence insertion. One address bit can insert 10...
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WTR050 voice recording chip is a multifunctional voice record & playback chip, specially designed for recording voice, long recording distance, good sound quality, can directly drive...
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1. Brief IntroductionSmartSound PIR motion activated sound player adopts human body induction technology. When it detects people passing, it can automatically play voice.Download voice ...
Elevator Anti-collision case.aspx?TypeId=30&FId=t4:30:4

Elevator counterweight ranging collision avoidance warning system, is a safety protection device, mainly used for safety early warning, to remind workers during elevator maintenance work .

It adopts ultrasonic detection technology, detection precision up to centimeter level, mainly used to prevent dangers during the elevator maintenance operation process. Sometimes the maintenance workers in the elevator counterweight, they cannot find danger timely, unable to escape in time, which will cause life safety threat.

Elevator Anti-collision
Features and advantages

Ultrasonic detecting technology, detection precision up to centimeter.

Sensor can be rotated around 60 °, easy to change different detection area.

Voice content can be replaced.

Built in amplifier and powerup to 2W/ 8 Ω speaker, adjustable volume.

Elevator alarm distance can be set.

Ultrasonic detection range is 3~360cm + 5 cm(cm), two sensors induction angel ≤15°.

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