소음계

※ 제품특징

˙ 18mm(0.7")LCD(Liquid Crystal Display),31/2 digits.˙ 측정범위:35~130dB，
  精確度:±1.5dB(94dB/1KHz)
˙ 측정 주파수:31.5Hz~8000Hz
˙ A/C Weighting / Fast Time 측정

※ 상세정보

• 화면표시: 18mm(0.7")LCD(Liquid Crystal Display),31/2 digits.
• 측정범위:30 to 130 dB，range 1: 30 to 80 dB，range2: 50 to 100 dB，range3: 80 to 130 dB Each
  range with warning indicator for over & under load.
• 분해능: 0.1dB.
• 측정주파수: 31.5 Hz to 8,000 Hz.
• 소음설정: Characteristics of "A" frequency weighting network.
  The "A weighting" characteristic is simulated as "Human Ear Listing" response.
• 측정속도: Default to "Fast" time weighting characteristics.
  "Fast time weighting "is simulated the human ear response character.
• 정확도(23±5℃): Characteristics of"A" frequency weighting network meet IEC 651 type 2.
• Under 94 dB input signal, the accuracy are:
  31.5Hz~±3dB、63Hz~±2dB、125Hz~±1.5dB、250Hz~±1.5dB、500Hz~±1.5dB、
  1kHz~±1.5dB、2kHz~±2dB、4kHz~±3dB、8kHz~±5dB
• 측정원리: Electric condenser microphone.
• 교정 작동: Build in external calibration VR, easy to calibrate on 94 dB level by screw driver.
• 사용환경 온도: 0℃ to 50℃(32℉ to 122℉).
• 사용환경 습도:Max. 90% RH (0°to 35℃).
• 사용전원: 006P DC 9V battery (heavy duty type).
• 전원 소비량: Approx. DC 6 mA.
• 외형치수: 225x70x28 mm( 8.9x2.8x1.1 inch).
• 무게: 250 g/0.55 LB (including battery).
• 규격: Instruction Manual.........1PC.
• 옵션 사용 제품군: 94 dB Sound Calibrator, Model:SC-940,SC-941,
  Hard carrying case, Model:CA-06.