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声级计记录器

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更新时间:2023-04-12 08:00:29浏览次数:45次

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产品简介

声级计记录器SL-4033SD是一级声级计和噪音计,具有记录噪音数据功能,属于记录型声级计.声级计记录器SL-4033SD特点*主要功能设计符合IEC61672-2级标准

详细介绍

声级计记录器SL-4033SD是一级声级计和噪音计,具有记录噪音数据功能,属于记录型声级计.
声级计记录器SL-4033SD特点
*主要功能设计符合IEC 61672-2级标准。
*标准加权网络符合标准。
* 0.5“标准麦克风头。
*时间加权(快-慢)动态特性模式。
*建立外部校准VR。。
*自动范围和手动范围选择。
*可用于外部校准调整。
*高精度、长期稳定的电容传声器。
*存储和最小值的内存功能。
*峰值保持功能。
*SD记忆卡实时Datalogger记录,它内置时钟和日历,实时数据记录器,采样时间:1秒到3600秒。
*手动数据可用(设置采样时间0秒),在执行手动数据采集器的功能,可以设置不同的位置(位置)号(1位到99位)。
*创新型设计,易于操作,计算机不需要设置额外的软件,执行数据采集器时,只是把SD卡从表和插入SD卡插入电脑,可以下载的所有测量值和时间信息(年/月/日/时/分/秒)到Excel,然后用户可以自己进行进一步的数据或图形分析。
* SD卡容量:1 GB到16 GB。
* LCD背光灯绿色,易于阅读。
*能自动关机或手动关机。
*数据保持,记录和最小读数。
*微机电路,高精度。
* UM3 AA电源(1.5 V)x 6电池或直流9V适配器。
* PC机接口。
*重型及小型外壳

声级计记录器SL-4033SD规格参数

Circuit Custom one-chip of microprocessor LSI
circuit.
Display LCD size : 52 mm x 38 mm
LCD with green backlight ( ON/OFF ).
Measurement Range 30 - 130 dB.
Resolution 0.1 dB.
Function dB ( A & C frequency weighting ), Time weighting ( Fast, Slow ), Peak hold, Data hold
Record ( Max., Min. ).
Accuracy (23 ± 5 ℃) Characteristics of " A " frequency weighting network meet IEC 61672 class 1
 
Under 94 dB input signal, the accuracy are :
Remark :
The above spec. are tested under the environment RF Field Strength less than 3 V/M & frequency less than 30
MHz only.
Frequency Weighting Network Characteristics of A & C.
 
A weighting :
The characteristic is simulated as "Human Ear Listing" response. Typical, if making the environmental sound level measurement, always select to A weighting.
 
C weighting
The characteristic is near the "FLAT" response. Typical, it is suitable for checking the noise of machinery (Q.C. check) & knowing the sound pressure
level of the tested equipment.
Data hold To freeze the measurement value.
 
Circuit Custom one-chip of microprocessor LSI
circuit.
Display LCD size : 52 mm x 38 mm
LCD with green backlight ( ON/OFF ).
Measurement Range 30 - 130 dB.
Resolution 0.1 dB.
Function dB ( A & C frequency weighting ), Time weighting ( Fast, Slow ), Peak hold, Data hold
Record ( Max., Min. ).
Accuracy (23 ± 5 ℃) Characteristics of " A " frequency weighting network meet IEC 61672 class 1
 
Under 94 dB input signal, the accuracy are :
 Remark :
The above spec. are tested under the environment RF Field Strength less than 3 V/M & frequency less than 30
MHz only.
Frequency Weighting Network Characteristics of A & C.
 
A weighting :
The characteristic is simulated as "Human Ear Listing" response. Typical, if making the environmental sound level measurement, always select to A weighting.
 
C weighting
The characteristic is near the "FLAT" response. Typical, it is suitable for checking the noise of machinery (Q.C. check) & knowing the sound pressure
level of the tested equipment.
Data hold To freeze the measurement value.


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