Screen is in sleep mode or battery has suffered catastrophic failure.
According to the (Section 7: Maintenance):
The iPERL features an easy-to-read, 9-digit Liquid Crystal Display (LCD). The display scrolls through various metrics automatically or when activated by light.
While homeowners can read the meter, physical installation must be performed by authorized utility personnel. sensus iperl water meter manual
| Alarm Type | Trigger Condition | | :--- | :--- | | | No transition from active flow to below starting flow within a configurable time interval (default 24 hours) | | Reverse Flow | A constant reverse flow of water persists for more than 15 minutes | | Magnetic Tamper | An attempt to alter or tamper with the meter's magnetic field is detected | | Low Battery | The internal battery is approaching the end of its life (visually indicated on the display) | | Empty Pipe | The meter is installed but the flow tube is not fully saturated with water (indicated by an alarm flag on the display during installation) |
Loosen the meter couplings using two wrenches—one to hold the coupling nut and one to stabilize the pipe. Remove the old unit and discard the old rubber washers. Step 3: Clean the Couplings
For the average homeowner, the Sensus iPERL is an invisible but valuable tool for managing water usage and costs. Here’s what you need to know: Screen is in sleep mode or battery has
: Hand-tighten nuts first, then use a wrench for an additional 1/4 to 1/2 turn. Do not over-tighten, as it may crack the meter body.
Check the arrow cast into the side of the meter body. The arrow must point in the direction of the water flow into the property.
Appears when the meter detects that the internal measurement tube is not completely full of water. While homeowners can read the meter, physical installation
Open a large faucet fully to see if the arrow starts flashing. High Bill Inaccuracy These meters do not speed up as they get older.
The iPERL automatically transmits a "Bubble Up" (BUP) message at regular intervals. This BUP message contains the meter's identification data, primary consumption data, and any active alarms. The standard BUP transmission interval is every 15 seconds and is not configurable.
Visit Sensus’s online knowledge base for video tutorials on iPerl SmartPoint activation and register calibration.
If the radio fails, the manual specifies how to obtain a manual visual read: