CEM DT-815 噪音计 (30dB~130dB, ±1.4dB)
制造商: CEM Model: DT-815 来源: China 保障: 12 Month - 联系
Standard applied: IEC61672-1 Type 2, ANSI S1.4 Type2
Accuracy: ±1.4dB
Frequency range: 31.5Hz ~ 8KHz
Dynamic range: 50dB
Level ranges: LO:30dB~80dB Med:50dB~100dB
Hi:80dB~130dB Auto:30dB~130dB
Time weighting: FAST ( 125mS ), SLOW ( 1s )
Microphone: 1/2 inch electret condenser microphone
Resolution: 0.1dB
Reading display update: 2 times/sec
Bargraph display update: 20 times/sec
Size(HxWxD): 210mm x 55mm x 32mm
Weight: 230g
Accessories: 9V battery, Carrying case and Gift box.
Details
- 质量承诺
- 正品保修
- 送货到家
- 交易简单化
