SM-02 เครื่องวัดความดังเสียง Digital Sound Pressure Level Meter Noise Decibel 130 dB

Features:

Weight:210g

Size (Approx):23.5 x 7.0 x 3.0cm

Wide measuring range 40~130dB (decibels)

Two equivalent weighted sound pressure levels, A and C

Fast and Slow dynamic characteristics modes

Max locked function has the maximum value, after the stent-in-one unique, easy to use

AC Analog Signed Output for frequency analyzer level recorder or X-Y axis, FFT analyzer, graphic recorder, etc. to do statistical analysis of data logger

Auto power off function

Low battery indicator

Overload prompts

Portable, easy to use and handy

Instantaneous sound measure function

Tripod Mounting option

Passed the high standards of IEC651 TYPE 2 & ANSI S1.4 TYPE 2 for sound level meters

Specification:

Sound Level: 40 ~ 130 dB With Level Selecting Button Switches

level 1: 40 ~ 70dB

level 2: 60 ~ 90dB

level 3: 80 ~ 110dB

level 4: 100 ~ 130dB

level 5: 40 ~ 130dB

Accuracy: ?2dB (under reference condition)

Measuring Level: 40~130dBA, 40~130dBC

Frequency Range: 31.5 Hz ~ 8.5 kHz

Linearity/Dynamic Range: 30dB

Frequency weighting: A and C features

Digital LCD: 45 x 35mm with 4 digits, Resolution: 0.1dB, Display: 0.5 secretary

Sampling Rate: 2 times/second

Dynamic Characteristic (Time weighting): FAST (high speed) / SLOW (low speed)

1 bar graph represents 1dB in the Analog Bar Graph

Bar Graph: 50dB scale at 1dB step for monitoring current sound pressure level display period of 50mS

Level Ranges: 40 ~ 70dB, 60 ~ 90dB, 80 ~ 110dB, 100 ~ 130dB, 40 ~ 130dB

Load indication: Use the symbol OVER (indicating over range) and UNDER (indicating less than lower limit of the range)

AC output: 0.707 Vrms at FS output impendance aprrox. 600?

Microphone: 1/2 inch electret condenser microphone

Maximum Hold

Working Environment: Temperature: 0~40?C (32~104?F), Humidity: 10~70% RH

Storage Environment :Temperature: -10~50?C (14~122?F) , Humidity: 10~80% RH

Software is option not include

Power Supply: 6F22 9V alkaline cells/battery or DC 9V 100mA (not included)

รับประกันสินค้า 6 เดือน