Lenovo ThinkCentre A52 Hardware Maintenance Manual - Page 46
Types - 8289
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Types 8289, 8298, 8328, 8341, 8344, and 8382 This section lists the physical specifications. Dimensions Width: 310 mm (12.2 in.) Height: 85 mm (3.35 in.) Depth: 358 mm (14.1 in.) Heat output (approximate) in British thermal units (Btu) per hour: Minimum configuration: 239 Btu/hr (70 watts) Maximum configuration: 768 Btu/hr (225 watts) Weight Minimum configuration as shipped: 7.3 kg (16 lbs) Maximum configuration: 8.5 kg (18.7 lbs) Airflow Approximately 45 cubic meters (16 cubic feet) per minute maximum Environment Air temperature: Operating at 0 - 3000 ft (914.4 m): 10° to 35°C (50° to 95°F) Operating at 3000 ft - 7000 ft (2134 m): 10° to 32°C (50° to 89.6°F) Non-operating: 10° to 43°C (50° to 110°F) Humidity: Operating: 8% to 80% Non-operating: 8% to 80% Acoustical Noise Emissions Declared Sound Power Levels Idle: 4.0 bels Operating: 4.3 bels Average sound-pressure levels At operator position - 0.5 meters (1.65 ft) Idle: 29 dBA Operating: 34 dBA At bystander position - 1 meter (3.3 ft) Idle: 26 dBA Operating: 29 dBA Transit: 8% to 90% Maximum altitude: 7000 ft (2133.6 m) Electrical input Input voltage: Low range: Minimum: 100 V ac Maximum: 127 V ac Input frequency: 50/60 Hz Note: These levels were measured in controlled acoustical environments according to the procedures specified by the American National Standards Institute (ANSI) S12.10 and ISO 7779 and are reported in accordance with ISO 9296. Actual sound-pressure levels in a given location might exceed the average values stated because of room reflections and other nearby noise sources. The declared sound-power levels indicate an upper limit, below which a large number of computers will operate. Voltage switch setting: 115 V ac High range: Minimum: 200 V ac Maximum: 240V ac Input frequency: 50/60 Hz Voltage switch setting: 230 V ac Input kilovolt-amperes (kVA) (approximate): Minimum configuration as shipped: 0.10 kVA Maximum configuration: 0.24 kVA 40 Hardware Maintenance Manual