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digital sound level meter 30 130 db a c zl82a 3 aaa or zl82b usb recharge Colour:ZL82B Charging Frame: GEP-CT30

Description

Frame: GEP-CT30

Tune into NOAA

and a wide range of functions with this cutting-edge remote control helicopter

Suitable for indoor flying only

impressive control

digital sound level meter 30 130 db a c zl82a 3 aaa or zl82b usb recharge Colour:ZL82B Charging Frame: GEP-CT30Key features Compact handheld meter measuring 30130 dB with A and C weighting options. It shows readings to 0. 1 dB with a noise accuracy of 1. 5 dB. Fast sampling is 125 ms for quick fluctuations and Slow is 1 second for steady averages. Frequency response covers 30 Hz to 8 kHz for typical environmental noise checks. Power & models Two model choices: ZL82A runs on 3AAA batteries and ZL82B uses USB charging while delivering the same measurement

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