511E Sound Level Calibrator
1000 Hz. 0 dB Reference Point for: A, B, C, D Weighting. 2 Output Levels - Permits Range testing. 94 dBSPL = 1 Pa
104 dBSPL. Accuracy - Meets IEC942. +/-0.3 dB @ 23 C° Type 1L. +/-0.5 dB 0 to 50 C°.
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ACO Pacific, Inc.
2604 Read Avenue
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