VM-52
 flo01c.gif VM-52

flo01c.gif 환경처 형식승인 (NEVE-4)

  • 본 장비는 95년도 개정 진동 규제법 제7조의 규정의거 진동을 측정할 수 있는 장비임.
  • 건설진동 측정용
  • 생활진동 측정용
  • 도로진동 측정용
  • 철도진동 측정용

flo01c.gif 특징

  • 측정기능 : Lv, Lva, Lx, Leq and Lmax
  • 최대치 Hold 기능
  • 동시 3축에 대한 측정과 Lx, Leq 계산 그리고 Lmax 측정
  • X-Y-Z에 대한 막대 그래프
  • 측정, 연도, 일, 시간표시

flo01c.gif Specifications

VM-52 / VM-52A (Memory Card 기능 추가)

Applicable Standard

JIS C 1510

Measurement Function

Lv, Lva, Lx, Leq, Lmax

Frequency Range

1 to 90Hz

Frequency response

Weighting on JIS 1510 and Flat

Rectifler

True RMS (Time weighting 0.63s)

Level range switch

20dB to 120dB, 10dB step, 50dB Range, 6 Stage

Output calibration

Amplifier sensitivity adjustment by intermal 31.5Hz sinusoidal wave signal

Calculation

 

Percentile Level

Simultaneous three directional calculation for percentile of L5, L10, L50, L90, L95

Power average

Simultaneous three directional calculation of Leq

Maximum value

Simultaneous three directional calculation of maximum value of vibration level and vibration acceleration level

Calculation time

10/500 sec., 1/5/10/15min, 1/8/24 hour and manual setting (max. 99hours and 59min. and 59 sec:) for Leq max. one hour for percentile level

Sampling interval

10ms for Leq
100ms for percentile level
(5sec. when calculation time set to 500 sec)
LCD with backlighting

Display

LCD with backlighting

Numerical display

4 digits. Display interval 1 sec. Resolution 0.1dB, X/Y/Z manual switching

Bar graph

Scale range 50dB, Display interval 0.1 sec.
Resolution 10dB, X/Y/Z Simultaneous display

Alarm

Over/Under

flo01c.gif Printer(CP-11)사용측정 데이터(예)