特点：

1.符合国际规范IEC 651 Class2

2.符合国际规范IEC 61672 Class 2

3.反应时间：快速：0.2秒、慢速1.5秒

4.有A/C两种加权模式

5.感测范围  31.5-8000Hz

6.SIZE:245x80x35mm

7.三位半显示.最大显示值1999

8.30-130dB  ±2dB

9.AC OUTPUT/DC OUTPUT

10.Fast/SLOW/MAX:HOLD

11.附携带盒

12.精确度±1.5db(94db/1KHz)：

 

规格：

 

显示器	字高18mm三位半液晶显示屏
测量范围	A加权：分为3个范围档30~130dB C加权：分为3个范围档30~130dB
分辨率	0.1dB
精确度	1kHz—±1.5dB
范围选择	手动选择档：30~80dB、50~100dB、80~130dB
自我校正	主机提供94dB/1KHz校正讯号由内建式VR调校94dB
操作环境温度	0 to 50℃ (32 to 122℉)
操作环境湿度	低于80%RH
工作电源	9伏特干电池x1
重量	280公克/ 0.62磅(含电池)
尺寸	205 x 80 x 35mm(8.1 x 3.2 x 1.4inch) 麦克风直径12.7mm(0.5”)
标准配件	操作说明书x1本 校正起子x1只
选购配件	噪音计音量校正器SC-941 噪音计音量校正器SC-942 携带盒CA-06

Model : SL-4001

 

FEATURES

1.       Large LCD display, easy to read.

2.       Frequency weighting networks are designed to meet the IEC 61672 CLASS 2.

3.       A & C weighting networks are conformity to standards.

4.       Time weighting(FAST & SLOW) dynamic characteristic modes.

5.       AC/DC output for system expansion.

6.       Build in adj. VR is available for easy calibration.

7.       Condenser microphone for high accuracy & long-term stability.

8.       Max. Hold function for stored the maximum value on display.

9.       Warning indicator for over and under load.

10.    LCD display for low power consumption & clear read-out even in bright ambient light condition.

11.    Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.

12.    Small and light weight design allow one hand operation.

13.    Low battery indicator.

 

1.  Display: 18mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits.

2.  Function: dB (A & C weighting), Time weighting (Fast, Slow), Max. hold, AC output, DC output.

3.  Measurement Range: 3 ranges, 30 to 130 dB, input signal only..

4.  Resolution: 0.1 dB.

5.   Accuracy(23± 5 ℃)

6.  Frequency weighting meet IEC 61672 class 2, calibrating input signal on 94 dB ( 31.5 Hz to 8 kHz), the      accuracy of frequency weighting is specified as following:

 31.5 Hz : ± 3.5 dB

 63 Hz ± 2.5 dB

 125 Hz ± 2.0 dB

 250 Hz ± 1.9 dB

 500 Hz ± 1.9 dB

 1 K Hz ± 1.4 dB

 2 K Hz ± 2.6 dB

 4 K Hz ± 3.6 dB

 8 K Hz ± 5.6 dB