ET-933 Cheap Sound Level Meter

  • Description
  • Specifications
  • Inquiry
  1. Applied: IEC61672-1 CLASS2
  2. Frequency weighting: A and C
  3. Time weighting: Fast and Slow
  4. MAX/MIN record
  5. Data Hold
  6. Over range indication
  7. Analog bar-graph indication
Model ET-933
Applied standard IEC61672-1 CLASS2
Frequency range 31.5Hz~8kHz
Dynamic range 50dB
Measuring level range Lo: 30dB~80dB   Med: 50dB~100dB

Hi: 80dB~130dB  Auto: 30dB~130dB

Accuracy ±1.4dB
Time weighting FAST 125ms; SLOW ( 1s )
Microphone 1/2 inch electret condenser microphone
Display 3½ digits LCD display with a resolution of 0.1dB
Frequency weighting A & C
Data update 2 times/sec
Alarm function “OVER”is when input is more than upper limit of range.

“UNDER” is when input is less than lower limit of range.

Auto power off Meter automatically shuts down after approx. 15 minutes inactivity.
Power supply One 9V battery, 006P or IEC 6F22 or NEDA 1604.
Battery life at least 30 hours
Operating conditions -20℃~60℃,10%RH~90%RH
Storage conditions -20℃~60℃,10%RH~75%RH
Weight 178g
Dimension(L*W*H) 189*62*33mm

 

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