testo 815 声级计，套装，精度等级2 L，包括仪器箱，麦克风，防风帽和电池 testo 815噪音计用于暖通空调系统、舞厅、机器、燃烧器等的噪音测量，是日常应用的理想之选。
testo 815 声级计、噪音计的优点一览：
- 精度等级2L，符合IEC 60651标准
- 调试方便（附带调试用的螺丝起子）
- 根据A类和C类来频率计权
- 存储最大值和最小值
- 精度高 (2级)
- 可调节时间加权，快速/慢速
- 显示频率计权、当前读数、时间加权和区域量程
testo 815 声级计噪音计的技术数据 - testo 815
| 存放温度 | -10～+60℃ |
| 工作温度 | 0～+40℃ |
| 电池类型 | 9V块状电池 |
| 电池寿命 | 70 h |
| 重量 | 195 g |
| 体积 | 255x 55 x 43 mm |
testo 815 声级计噪音计的探头类型/声级
| 量程 | +32 ～ +130 dB |
| 精度 | ±1 dB |
| 分辨率 | 0.1dB |
testo 815 声级计噪音计的附件一览 - testo 815
| 简要描述 | 注释 | 订货号 |
| 声级标定器 | 标定器，用于testo 815/816的长期标定 | 0554 0452 |
| 电源，230 V/ 8 V/ 1 A，欧式插头 | 用于对仪器供电及对充电电池进行充电 | 0554 1084 |
815 Class 3 Sound Level Meter
816 Class 2 Sound Level Meter
The Testo 815 and Testo 816 are portable instruments for accurate sound level measurement.
The Testo 816 is the same as the 815 except it has a greater accuracy.
The low-cost measuring instrument for...
-
Monitoring environmental noise levels
-
Air conditioning and ventilation plant
noise levels -
Complying with the Health and
Safety at Work Act. -
Factory machine noise levels
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Office noises, photocopiers, printers
The Testo 815 Testo816 provides an accurate and low cost measurement of sound.
Features include:
attachable microphone to avoid measuring errors
digital suppression of noise enables accurate measurements at low sound levels
calibration via keyboard
| Technical data - Instrument | |
| Input | accurate condenser microphone, 1/2 inch |
| Total measuring range | 30 to 130 dB(A) 50 to 85 dB(A) 70 to 105 dB(A) 90 to 130 dB(A) |
| Time settings | |
| FAST | 125 ms |
| SLOW | 1 s |
| Accuracy | |
|
815 |
± 1.5 dB(A) Class 2 corresponds with OSHA specs and DIN/JEC 651 3L |
|
816 |
± 1 dB |
| Pressure drift | -0.008 dB/mbar |
| Resolution | 0.1 dB(A) |
| Display | LCD |
| Battery life | 15 h (alkali-manganese) |
| Operating temperature | 0 °C to +40 °C (32 °F to +104 °F) |
| Storage/transport temperature | -20 °C to +40 °C (-4 °F to +104 °F) |
| Housing material | ABS |
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