迷你型環境測試類機表，包含瞭噪音，風速，照度，溫濕度等領域，本系列產品高對比度液晶顯示帶白色背光，外觀小巧，手感極好，使用方便，快捷，操作簡單。

本系列產品可適用於居住小區，傢庭，工作車間，辦工場所等日常環境監測。
GM1351迷你型噪音計。本產品采用全新低功耗芯片設計，輔以科學算法，采用自主軟件創新，自主電路改良，從而實現對同類產品精度、穩定性、性價比的超越，實現為用戶創造價值的設計。產品采用科技人體學機械、外觀設計，輔以可選保護套配件，實現對產品更全麵的保護。

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

100% Brand New
Wild Measurement Range: 30-130dB
Accuracy: up to ± 1.5dB.
With 1 equivalent 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.
Equipped with sponge ball.
Auto power off design for energy saving.
Low battery indication
Portable, easy to use and handy instrument for sound quality 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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