Data centers, telecommunications sites and other critical power users require battery supported standby power.
The optimum battery monitoring solution for a typical UPS installation would be a system permanently wired into the battery and capable of measuring both voltage and ohmic value EVERY DAY. It should measure voltage multiple times per day to look for UPS, breaker or cabling errors. It should look at ohmic value daily so you get early warning of impending failure. Both data sets should be stored for later analysis. The ability to signal, externally to the facility management system, that a problem either existed or was impending would also be a key feature of such a system.
Cellwatch fulfills the requirement for a reliable, up-to-date fixed battery monitoring system with the following key features:
- Measures voltage on each cell, either 4 or 24 times per day. Records data for graphical presentation during THAT day as well as average data for historical analysis or trending. Also compares this data continuously with high and low alarm settings for alarm activation.
- Measures ohmic value on each cell, either 1 or 2 times per day. Records data for graphical presentation during THAT day as well as average data for historical analysis or trending. Also compares this data continuously with high and low alarm settings for alarm activation.
- Measures the temperature of either the battery room ambient or a 'pilot' cell. Records this figure for graphing as well as comparison with high and low alarm setting for alarm activation.
- Measures discharge current from a battery string and compares the data with a discharge alarm limit set in software. In the event of a discharge, rapidly records all cell voltage data as the battery discharges for later identification of weak cells under load.
Cellwatch is supplied with a dedicated computer running Windows XP software and Cellwatch proprietary application for reporting, recording and data analysis. The system is modular, so if your needs change, Cellwatch can be reconfigured or expanded.
Low voltage DC components. Measurement components never see greater than 48v nominal DC so battery connections are all low voltage. Electrical isolation is achieved by plastic fiber optic cable.
UL approved / CE marked
Find out how Cellwatch works