理音(RION)噪音校准器NC-72主要产品参数:
| 适用标准 | IEC942-1988 class0L |
| 校准噪音计 麦克风种类 |
1, 1/2 or 1/4 inch |
| 校准信号 | 114 dB ± 0.2 dB (at 1 atmospheric pressure) Tolerance: ±0.15 dB |
| 精度 | ±0.15dB |
| 频率范围 | 250 Hz ± 1 %, Distorsion: < 3 % |
| 精度 | ±20Hz |
| 电源 | IECLR06×2 |
| 尺寸及重量 | Approx. 44 (L) X 62 (W) X 170 (D) mm Approx. 740 g |
| 附件 | 盒子一个;电池二节;1/2inch适配器NC-74-0021个 |
英文介绍:
- Sound pressure level 114 dB at 250 Hz
- Standard sound source for laboratory studies
- High accuracy and stability
- Class 0L IEC 60942: 1988
Specification
| Applicable standards | IEC942-1988 class0L |
| Applicable microphone | 1, 1/2 or 1/4 inch |
| Nominal output sound pressure level | 114 dB ± 0.2 dB (at 1 atmospheric pressure) Tolerance: ±0.15 dB |
| Frequency | 250 Hz ± 1 %, Distorsion: < 3 % |
| Power requirement | IEC R6 battery X 6 Battery life: LR6 (alkaline) approx. 13 h |
| Dimensions and weight | Approx. 44 (L) X 62 (W) X 170 (D) mm Approx. 740 g (incl. batteries) |
| 顾客平均评分: | ,共有0位顾客进行了评分和评论, | 点此登录发表评论,分享购物心得 |
显示:
查找:
请先点此登录再进行评论








