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Digital Sound Level Meter


Digital Sound Level Meter

DT-8851

These meters are designed for noise project; quality control; illness prevention and cure and all kinds of environmental sounds measurement. It is applied to the sounds measurement at factory; school; office; traffic access and household, etc.

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  • This unit confirms to the IEC61672-1 CLASS2 for Sound Level Meters.
  • MAX & MIN measurements
  • Over range display
  • Under range display
  • A & C Weighting
  • FAST & SLOW response
  • USB PC Interface
  • Analog AC/DC outputs for connection to frequency analyzer or X-Y shaft recorder
Standard applied: IEC61672 -1 CLASS2 
Accuracy: ±1.4dB
Frequency range: 31.5HZ ~ 8KHZ
Dynamic range: 50dB
Memory: 32700
Level ranges:     LO: 30dB~80dB
Med50dB~100dB
Hi80dB~130dB
Auto30dB~130dB
Frequency weighting:  A/C
Time weighting:  FAST ( 125ms ), SLOW ( 1s )
Microphone:  1/2 inch electric condenser microphone 
Display:  4 digits LCD display with a resolution of 0.1dB
Display Update:  2 times/sec.
MAX / MIN / DATA HOLD  
Alarm function:   “OVER”is when input is more than upper limit of range.
“UNDER”is when input is less than lower limitof range.
Analog output:  AC/DC outputs from earphone outlet AC=1Vrms ,DC=10mV/dB
Data output:  USB data traffic 
Auto power off: Meter automatically shuts down after approx. 15 minutes of inactivity.
Power supply:  One 9V battery, 006P or NEDA1604 or IEC 6F22.
Power life:  About 30hours
Operation temperature and humidity: 0°C~40°C, 10%RH~90%RH
Storage temperature and temperature:   -10°C ~+60°C,10%RH~75%RH
Dimension:  278 (L) x 76 (W) x 50(H) mm
Weight : 350g
  • Instruction manual
  • Battery
  • Screwdriver
  • Earphone plug
  • Windscreen
  • Software
  • USB cable
  • Power Adaptor

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