Digital Sound Level Meter DT-815
This Sound Level Meter is designed for noise project, quality control, illness prevention and all kinds of environmental sounds measurement. It is used for the sound measurement at factory, school, office, traffic access and household etc. This unit confirms to the IEC61672-1 CLASS2 for Sound Level Meters
FEATURES
- Accuracy ±1.4dB
- Frequency range 31.5HZ - 8KHZ
- Dynamic range 50dB
- Level ranges (01) : 30dB-80dB
- (02) : 50dB-100dB
- (03) : 80dB-130dB
- (04) : 30dB-130dB (AUTO)
- Frequency weighing A/C
- Time weighing FAST (125ms), SLOW (1s)
- Microphone 1/2 inch electric condenser
- Display 4 digits Backlit LCD display with a resolution of 0.1dB
- Display Update 2 times / sec
- Max Hold / Min Hold/ Data Hold
- Alarm function
- Analog Bar-graph Fast display of analog (20 times/sec)
- Data Record 50 Sets
- Date: Year, month, day
- Time: Hour, minute, second
- Power supply One 9V battery, 006P or NEDA 1604 or IEC 6F22
- Power Life At least 30 hours