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MS6702 Digital Sound Level Meter

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Overview
  • Sound pressure accuracy: +-1.5 dB (sound pressure standard, 94dB @ 1 KHz)
  • Sound pressure frequency response: 30Hz-8KHz
  • Dynamic range of sound pressure: 50 dB (for each measurement gear level)
  • Sound pressure measurement scope: 30-130dBA, 35-130dBC.
  • Sound pressure frequency weighting characteristics: A and C characteristics
  • Dynamic characteristics of sound pressure: FAST 125ms, SLOW 1 sec
  • Microphone: polarized capacitive Microphone.
  • Accuracy of temperature measuring: 10℃~60℃:+-1℃ / -20℃~10℃:+-2℃
  • Range of temperature measuring: -20℃~60℃
  • Accuracy of humidity measuring: +-3.5%HR
  • Range of humidity measuring: 10%HR~90%HR
  • Digital display: 4-digit, resolution :0.1dB, sampling rate: 2 times/sec
  • Analog bar display: Each analog bar represents 1 dB, sampling rate is 20 times/sec
  • Measurement gear level: microcomputer will automatically select the best gear level in the range from 30 to 130 dB
  • Lower or exceed the limit prompt: indicate with "UNDER" and "OVER" characters
  • AC signal output: 0.707 Vrms/grade with full scale, output impedance is about 600Ω (30~130dB is not applicable)
  • DC signal output: 10mV/dB, output impedance is about 100Ω
  • Power supply: 6 AAA batteries with 1.5V or DC 9V 100mA power adapter with maximum of DC 9.5V.
  • Operating temperature: 0~+40℃
  • Operating humidity: 10~90%RH
  • Storage  temperature: -10~+60℃
  • Storage humidity: 10~70%RH
  • Outside measurement: 245(L) x 80(W) x 35(H) mm
  • Weight : about 350g (including batteries)
  • 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 <100m Vpp
    -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
  • RS-232 Pclink
  • USB Interface
  • ℃ / ℉ Selection
Specs

Specification Range Resolution Accuracy

Sound Pressure 30dB~80dB 0.1dB +-1.5dB
40dB~90dB 0.1dB +-1.5dB
50dB~100dB 0.1dB +-1.5dB
60dB~110dB 0.1dB +-1.5dB
70dB~120dB 0.1dB +-1.5dB
80dB~130dB 0.1dB +-1.5dB
Sample Rate     2 times/s
Dy namic 50dB    
Frequency 30Hz~8KHz    
Temperature -20℃~10℃   +-2℃
10℃~60℃   +-1℃
Relative Humidity 10%~90%   +-3.5%RH

 

Accessories
  • Headphone plug
  • Operating manual
  • Batteries
  • Windbreak ball