CEM DT-855 噪音计 (30dB~130dB, ±1.4dB)

Standard: 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 (H x W x D): 248mm x 65mm x 45mm

Weight: 248g

Accessories: 9V battery, gift box and carrying case.

Datasheet