
TENMARS ST-120 噪音校准器 (1KHz, 114dB)
制造商: TENMARS Model: ST-120 来源: Taiwan - 联系
Output sound level: at 94dB and 114dB
Frequency :1KHz ± 1% (class 1)-(A)
Accuracy:94 ±0.3dB 114 ±0.5dB
Power :9V battery 006P or IEC 6F 22 or NEDA 1604
Operation environment:23.0°C ±3°C <85%RH,850mbar~1050mbar,≦2000M
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