Cho thuê máy đo độ ồn - Sound level meter SEW 2310SL

 Measuring ranges

  Lo :    30dB~80dB
  Med : 50dB~100dB
  Hi :    80dB~130dB

 Accuracy

  ± 1.5dB(at Reference Range)

  Reference sound 
  level & frequency

  94dB, 1kHz

  Resolution

  0.1dB

 Detector-indicator
 characteristic

  Fast : 125ms  Slow : 1s

  Analogue signal output

 AC 1Vrms for each range

  Dimensions

  235(L) x 58.4(W) x 34(D)mm

  Weight 
  (battery included)

  Approx. 220g 

  Power source

  9V(6F22) × 1

  Safety standard

  IEC 651 Type 2 & 
  ANIS S1.4 Type 2
  EN 61326-1