CEM DT-8852 噪音计 (30dB~130dB, ±1.4dB)

Datalogger function

Adjustable Alarm-Levels 

Memory for 32700 readings 

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

Display Update: 2 times/sec

Analog output: AC/DC outputs, AC=1Vrms, DC=10mV/dB

Size(HxWxD): 278mm x 76mm x 50mm

Weight: 350g

Accessories: Battery, screwdriver, audio plug, windscreen, software, USB cable, tripod and DC 9V

power supply and gift box with carrying case.

Datasheet