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Exhibit 23.1

Consent of Independent Registered Public Accountants

We consent to the reference to our firm under the captions "Experts", "Summary Historical Financial Data", and "Selected Historical Financial Data", and to the use of our report dated June 25, 2004, in Amendment No. 1 to the Registration Statement (Form S-1 No. 333-118053) related to the $275,000,000 of 8⁵/8% Senior Subordinated Notes due 2013.

Our audit also included the financial statement schedule of Sensus Metering Systems (Bermuda 2) Ltd. listed in Item 16. This schedule is the responsibility of the Company's management. Our responsibility is to express an opinion based on our audits. In our opinion, the financial statement schedule referred to above, when considered in relation to the basic financial statements taken as a whole, presents fairly in all material respects the information set forth therein.

/s/ Ernst & Young LLP

Richmond, Virginia
August 12, 2004

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Exhibit 23.1

Consent of Independent Registered Public Accountants

SENSUS METERING SYSTEMS BERMUDA 2 LTD S-1/A