[ใหม่] ใหม่ล่าสุด เครื่องวัดเสียงDigital Sound Level Meter, 30-130dBA

Specifications:

• Measuring Range: 30 ~ 130dBA
• Accuracy: ฑ1.5dB
• Resolution: 0.1dB
• Frequency Range: 31.5HZ ~ 8.5KHZ
• Frequency Weighting: A
• Sampling Frequency: 2 times/sec
• Digital Display: 4 digits
• Microphone: 1/2" Electret Condenser microphone
• Auto Power Off
• Low Battery Indication
• Max Hold Function
• Operating Condition
  • Temperature: 0~40ฐC (32 ~ 104 ฐF)
  • Humidity: 10~80%RH

• Storage Condition
  • Temperature: -10~60ฐC (14 ~ 140 ฐF)
  • Humidity: 10~70%RH

• Power Supply: 1 x 9V Battery (included)
• Dimension: 57 x 26 x 149mm
• Weight: 144g (including battery)

Included in Set:

• 1 x Mini Sound Level Meter
• 1 x Sponge Ball / Windscreen
• 1 x 9V Battery (FREE)
• 1 x Instruction Manual
• Standard Packaging Box