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
