Signals & Systems [India] Pvt Ltd offers Common Meter Reading Instrument. Signals & Systems [India] Pvt Ltd is an ISO 9001:2008 accredited company. Common Meter Reading Instrument or CMRI in short, is a hand held computer used to download data from electronic tri-vector meters, supporting different protocols like IEC, ANSI and PACT. It can be interfaced with External peripherals like printers, barcode scanners etc. It is rugged to withstand drop on concrete and water proof [IP67 qualified]. It is compatible with Elster, L&T, Secure Meters, Datapro, Havells [Duke Arnics], Genus, Actaris, L&G, OmniAgate, Easun Reyrolle and Iskraemco make of meters. Wiring verification software enables detection of wiring errors and thus eliminates wrong billing.