HP Digital Sender 9000 HP 9250C Digital Sender - User Guide - Page 95
Environmental specifications, Acoustic emissions
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Environmental specifications Table B-4 Environmental specifications1 Recommended Operating Temperature 20° to 27°C 0° to 40°C (68° to 81°F) (32° to 104°F) Relative humidity 15% to 80% 15% to 80% 1 Values are subject to change. See www.hp.com/support/9250c for current information. Storage -30° to 60°C (-22° to 140°F) 15% to 85% CAUTION: The operating environment should be stable, with no abrupt changes in temperature or humidity that might damage the device. If you move the device from a cold environment to a warm one, wait about two hours before using it. Acoustic emissions Table B-5 Acoustic emissions Sound Power Level Declared per ISO 92961 Scanning2 LWAd = 6.8 Bels (A) [68 dB (A)] Ready LWAd = 4.9 Bels (A) [49 dB (A)] Sound Pressure Level - Bystander Position Declared per ISO 92961 Scanning2 LpAm = 53 dB(A) Ready LpAm = 35 dB(A) 1 Values are subject to change. See www.hp.com/support/9250c for current information. 2 Configuration tested: Scanning simplex monochrome using ADF at 55 ppm and letter paper. ENWW Environmental specifications 87