Overview 1-3
iPERL Water Management System Technical Manual WRMTM-40001
1.3.6 Air In Service
This feature is to alert the utility of air in the system. If the system sees no conductivity between the
electrodes an entrapped air flag is set. The alarm is then saved for a predetermined amount of time
after the alarm condition goes away and after the alarm condition is read.
1.3.7 Magnetic Tampering
If the system sees the presence of an external magnet for more than 15 minutes, a magnetic
tampering flag is set. The alarm is then saved for a predetermined amount of time after the alarm
condition goes away and after the alarm condition is read.
1.3.8 Resettable Reading
The system reading may be reset via the bi-directional TouchRead® connection.
1.4 iPERL System Display
The iPERL system display is a fully electronic display with embedded AMI technology. Figure 1-2 shows the
different components of the iPERL system display.
Figure 1-2: iPERL System Display
1. AMR Digits
2. Reading
3. Units of Measure
4. Flow Direction and Empty Pipe Indicator
5. Battery Life