Marketing description

The Sentinel Pro has evolved from the highly successful dialog UPS series. The UPS has a unique, modern design and improved electrical characteristics, representing a benchmark product from the Riello UPS research and development team.
Sentinel Pro uses on-line double conversion technology, resulting in high levels of reliability and maximum protection for critical loads such as servers, and IT and voice/data applications.
For business continuity applications requiring long battery runtimes, runtimes up to several hours are possible, using ER models fitted with more powerful battery chargers, and battery extension packs. The front mimic panel has been entirely redesigned, adding an LCD display that shows the input and output voltages, and battery readings in addition to UPS operating status information.
Another feature of the Sentinel Pro series is its communication capabilities. The UPS is supplied with a USB port and an expansion slot for protocol conversion or relay contacts boards. Sentinel Pro features a unique shutoff button to reduce energy consumption during periods of prolonged inactivity.

Key selling points

• Filtered, stabilized and reliable voltage: double conversion on-line technology standard with filters for the suppression of atmospheric disturbances
• High overload capability
• Programmable auto-restart when mains are restored
• Battery start-up
• Power factor correction
• Wide input voltage range without battery intervention
• Runtime extension to several hours
• Highly reliable batteries
• High level of UPS reliability
• Low impact on the mains
• Input protection with resettable fuse
• RS232 serial port and opto-isolated contacts
• USB port
• Slot for communication boards

Product features

• Operating flexibility
  Different operating modes, programmable depending on user requirements and the load to be powered have been introduced in order to reduce energy consumption.
• Emergency function
  This configuration is designed for emergency systems including lighting, fire detection/exit systems and alarms. When the mains power supply fails, the inverter begins powering the loads with a progressive start in order to prevent overload.
• Battery optimization
  The Sentinel Pro UPS has a wide input voltage range and deep discharge protection to optimize battery its life. Periodically the UPS carries out a battery efficiency test and its wide input voltage range, helps to reduce battery usage.
• Runtime expandability
  Optional battery extension packs can be connected to increase the UPS runtime. In addition the Sentinel Pro range includes ER versions with more powerful battery chargers in place of the internal batteries for faster recharge times.
• Reduced noise
  Thanks to the use of high-frequency components and load-based fan speed control, the noise produced by the UPS is reduced to less than 40 dB.