CEM DT- 815 Sound Level Meter Environment Test Meter Noise

CEM DT- 815 Sound Level Meter Environment Test Meter Noise
Notice:
  The standard package don't include batteries.Because,the international air shipping forbid to ship liquid,powder and batteries,we can not put them in the package box.Hope you can understand buy them in your local store or supermarket.
At the same time, please forgive us that we are unable to provide the English user manual. If you need it, please contact the customer service after purchase.
Thanks for your support!
Series Sound Level Meters
DT-815 Sound Level Meter is designed for noise project, quality control, illness prevention & cure and all kinds of environment sounds measurements. It is applied to the sounds measurement at factory, school, office, traffic access and household, etc. This unit confirms to the IEC61672-1 class 2 for Sound Level Meter
Features
This unit confirms to the IEC61672-1 class 2 for Sound Level Meters
MAX & MIN measurements
Over range display
Under range display
A & C Weighting
FAST & SLOW response
Digit LCD display with a resolution of 0.1dB , bargraph & white backlight
Readings memories
Size(HxWxD): 210mm x 55mm x 32mm
Weight: 230g
Specifications
Standard applied IEC61672-1 Type 2, ANSI S1.4 Type2
Accuracy ±1.4dB
Frequency range 31.5Hz ~ 8KHz
Dynamic range 50dB
Level ranges LO:30dB~80dB Med:50dB~100dB
Hi:80dB~130dB Auto:30dB~130dB
Time weighting: FAST ( 125mS ), SLOW ( 1s )
Microphone 1/2 inch electret condenser microphone
Resolution 0.1dB
Reading display update 2 times/sec
Bargraph display update 20 times/sec