DT-8851 | CEM Instruments India

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
	Med: 50dB~100dB
	Hi: 80dB~130dB
	Auto: 30dB~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.
Alarm function:	“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

Digital Sound Level Meter

Digital Sound Level Meter

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