14  | 
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  | VS375C/VS575C | |
  | Audible Alarm:  | 
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  | Battery discharge at power failure  | 
  | Beep every 4 seconds  | 
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  | Battery approaches final discharge  | 
  | Beep every second  | 
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  | Overload  | 
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  | Continuous buzzer  | 
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4.2  | Mechanical Specifications: | 
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  | Product Name  | 
  | Dimensions  | 
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  | Weight (Kg)  | 
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  | W ⋅ D ⋅ H (mm)  | 
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  | Net  | 
  | Gross  | 
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  | VS375C  | 
  | 200*77*175  | 
  | 2.2  | 
  | 2.9  | 
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  | VS575C  | 
  | 200*77*175  | 
  | 2.3  | 
  | 3.0  | 
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4.3  | Environmental Specifications: | 
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  | Operating | 
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  | Storage and Shipment | 
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  | Temperature  | 0 ~ 40°C (32° ~ 104°F)  | 
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  | Humidity  | 5 ~ 90%   | 
  | 5 ~ 90%   | 
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  | Altitude  | 3,000 m (10,000 ft) (Max.)  | 
  | 12,000 m (40,000 ft) (Max.)  | 
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