Product Info

12 On-Demand 1.2 Overview
Technical Brief
4. Click the Battery Voltage tab on the left side of the window to view battery
voltage details.
To help ensure each MTU obtains maximum life expectancy from its battery, the
following conditions are required:
• The MTU is configured for a periodic read interval that is compatible with a
20-year battery life
• The MTU is configured to transmit readings with no more than 2x
redundancy
• The MTU is configured to transmit readings no more frequently than every 6
hours
• No more than 480 On-Demand reads, or remote configuration commands are
sent to the MTU over its lifetime (2 per month, on average)
• The MTU sends no more than three alarm messages per month.
• The MTU has redundant DCU coverage, throughout its lifetime, of at least 2
DCUs
• The MTU undergoes no more than two over-the-air firmware upgrades
• The MTU undergoes no more than two over-the-coil firmware upgrades
• The MTU undergoes no more than one full data recovery operation (96 days
of hourly reads)
• The MTU’s Window A and Window B fast messaging settings are
configured for no more than 480 listen windows per day