Tebchaws Asmeskas cov neeg siv khoom xaj 200pcsGVDA Digital Sound Level Meter Noise Meter Audio Level Meter Sonometro Sound Meter Decibelimetro 30-130dB Decibel Meter, thiab cov khoom xa tuaj tau raug kuaj xyuas zoo los ntawm peb QC Department.
yuav xa tawm hnub no, ua tsaug rau cov neeg siv khoom txhawb nqa. rau lub ntsuas suab no, peb muaj ob tus qauv, GD151A thiab GD151B
thiab hauv qab no yog cov ntsiab lus specification rau koj siv:
Lub suab ntau:30-130dBA lossis 30-130dBC (tsuas yog GD151B)
Zaus: 30Hz-8KHz
Dynamic ntau yam: 50dB
Suab raug: ± 1.5dB (94dB @ 1KHz); ± 5dB (94dB @ 8KHz)
Kev hnyav hnyav: Ib qho hnyav (GD151A)
FRequency weighting: Ib qhov hnyav, C hnyav (tsuas yog GD151B)
Lub sij hawm hnyav: ceev 125ms; qeeb 1sec
Qhov kub thiab txias: -20 degree -60 degree (-4 degree F-140 degree F)
Kub qhov tseeb: 0 degree -45 degree (32 degree F-113 degree F) ± 1 degree / 2 degree F; Lwm yam ± 1.5 degree / 3 degree F
Humidity range:{{0}}.0 feem pua -99.9 feem pua RH
Humidity raug: 20 feem pua -80 feem pua ± 5RH; Lwm yam ± 6RH
Nws pib fais fab tuag: 10 feeb
Lub zog: 3 * AAA roj teeb (tsis suav nrog)
Qhov loj me: 142 * 58 * 26mm
Yam khoom hnyav: txog 114g
Ntim cov ntsiab lus
1 * Lub suab ntsuas ntsuas
1 * Phau ntawv
1* Tas
