Amprobe SM-CAL1 声音计校准器

Battery:     9V, 006P or IEC 6F22 or NEDA 1604.

Electrical (sound) standard:     ANSI S1.40-1984 and IEC942 1988 Class2.

Output sound level:     94dB and 114dB re 20 uPa under reference.

Accuracy:     ± 0.5 dB.

Output frequency:     1 kHz ± 4 %

Included Accessories:   Battery (installed), users manual

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