เครื่องวัดเสียง MS6700 MASTECH 

Digital Sound Level Meter

The sound level meter has been designed according to the IEC651 Type2, ANSI S1.4 Type 2.

Overview

• Accuracy: +-1.5dB
• Response frequency: 31.5Hz-8kHz
• Dynamic range: 50dB
• Frequency Weighting : A\C
• Time weighting: FAST 125ms, SLOW 1sec
• Microphone: Electret Condenser microphone
• Digital display: 4 digitals, resolution 0.1dB, sampling rate 2 times/s
• Analog bar display: Each analog bar is as 1 dB, sampling rate 2 times/s
• Measurement ranges: 30-80dB, 40-90dB, 50-100dB, 60-110dB, 70-120dB, 80-130dB, Total of 6 ranges
• Auto-range: Micro-computer can choose the best measurement ranges
• Over range indicator: UNDER (less than range) and OVER (over range)
• AC signal output: 0.707 Vrms at FS (Auto-range mode isn't included) Output impedance approx. 600Ω
• DC signal output: 10mV/dB Output impedance approx.100Ω
• Power supply: Four LR03 AM4 1.5V SIZE AAA alkaline cells
• Power life: About>35hrs (alkaline cells) Cintinuous operation
• AC adapter: Voltage 9vDC
• Voltage ripple < 100mVpp
• Supply Current >100mADC
• Socket pin Ground
• Casing positive
• External Diameter 3.5mm
• Operating temperature: 0℃ to 40℃ 
• Operating humidity: 10~80%RH
• Storage temperature: -10℃ to 60℃
• Storage humidity: 10 to 70%RH
• Dimensions:245(L)x80(W)x35(H)mm
• Weight : Approx. 350g (including battery)
• Accessories: Earphone plug, Operation manual, Battery, Windscreen.
• Certificate: CE(EMC) RoHS

Features

• Display: 2000 counts
• Data Logging: 16000 records
• Auto Ranging
• Auto Power Off
• AC Singal Output: 0.707 Vrms at FS (Auto-range mode isn't included) Output impedance approx. 600Ω
• DC Singal Output: 10mV/dB Output impedance approx. 100Ω
• AC Adapter
  -Voltage 9VDC
  -Voltage Ripple -Supple Current >100m ADC
  -Socket : pin Ground
  -Casing Positive
  -External Diameter 3.5mm
• Fast
• Low
• A Weighting
• B Weighting
• Date and Time Display
• MAX
• Data Hold
• Display Backlight
• Low Battery Display
• Analog Bar Indication
• Over Range Indication

Accessories

• Earphone plug
• Operation manual
• Battery
• Windscreen