GM1351噪音计 数字声级计 30-130分贝仪器测量声压级分贝仪F06083

迷你型环境测试类仪表，包含了噪音，风速，照度，温湿度等领域，本系列产品高对比度液晶显示带白色背光，外观小巧，手感极好，使用方便，快捷，操作简单。

本系列产品可适用于居住小区，家庭，工作车间，办工场所等日常环境监测。
gm1351迷你型噪音计。本产品采用全新低功耗芯片设计，辅以科学算法，采用自主软件创新，自主电路改良，从而实现对同类产品精度、稳定性、性价比的超越，实现为用户创造价值的设计。产品采用科技人体学机械、外观设计，辅以可选保护套配件，实现对产品更全面的保护。

this digital sound level meter is an instrument to measure sound pressure level in decibels (db). this meter is featured with wide measuring range (30 ~ 130 db), bar-graph indication, a frequency weighting, fast / slow response and maximum hold function. the meter also provides a windscreen to filter-out unwanted signals

brand new
wild measurement range: 30-130db
accuracy: up to ± 1.5db.
with 1 e weighted sound pressure level a.
a frequency weighting for general sound level measurements.
large lcd screen with digits reading
fast and slow dynamic characteristic modes.
fast rate to pick up the current reading.
slow rate to pick up the reading of average within 1 second.
maximum value holding function to lock up the maximum reading.
e with sponge ball.
auto power off design for energy saving.
low battery indication
portable, easy to use and handy instrument for sound control
in factory, office, home, school and construction site.
specifications:

accuracy: +/-1.5db (under reference conditions)
measuring level: 30-130db (a)/35-130db (c)
frequency range: 31.5hz to 8.5khz
linearity range: 50db/100db
digital display: 4 digits
resolution: 0.1db
bar graph: 50 db scale at 1 db step for monitoring current sound
pressure level display
overload indication: over/under
frequency weighting: a
level ranges: 30-80db, 50-100db, 60-110db, 80-130db 30-130db
self calibration time: 3sec
sampling rate: 2 times/seconds
power supply:dc 9v battery

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本产品的加工定制是否，品牌是其他，型号是其他，类型是数字式噪音计，测量范围是30~130dBA，测量精度是±1.5dB，分辨率是0.1dB，尺寸是57*26*149（mm），重量是0.15（kg）