Misuratore di livello sonoro digitale Datalogger A/C/Z misuratore di decibel SPL ponderato 30~130 dB
Body Fat Caliper. ± 1.5dB (sound pressure reference, 94dB@1KHz). Ring light / illuminator. Analog bar scale and low battery indication function. One scale represents 1dB. 30~70dB, 60~90dB, 80~110dB, 100~130dB.