User's Manual

Table Of Contents
Elster Handhelds
User Guide 12 1. Introduction
request, receive, and store specific meter data for transfer to route management
software. Interrogators offer a lower infrastructure investment over a fixed-base
system with operational flexibility, efficiency and cost-savings. Interrogators include
handheld computers and van-based mobile interrogators:
route management software that processes route files from a utility’s customer
information system (CIS); downloads and uploads meter routes to and from
interrogators; stores meter readings for local validation, editing and analysis, and
creates files to transfer meter readings to the utility’s CIS.
Interrogation method TRACE (gas and water) evolution (water) EnergyAxis (gas)
walk by (handhelds) PI 500, PI 400, PI 300 evoWalk PI 900
drive by (mobiles) CMMI, MMI evoDrive N/A