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Encoder receiver transmitter (ERT) is a packet radio protocol developed by Itron for automatic meter reading. [1] The technology is used to transmit data from utility meters over a short range so a utility vehicle can collect meter data without a worker physically inspecting each meter. The ERT protocol was first described in U.S. patent ...
Automatic meter reading (AMR) is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (gas, electric) and transferring that data to a central database for billing, troubleshooting, and analyzing. This technology mainly saves utility providers the expense of periodic ...
IEC TS 62056-9-1:2016 Communication profile using web-services to access a DLMS/COSEM server via a COSEM Access Service (CAS) IEC 62056-9-7:2013 Communication profile for TCP-UDP/IP networks; Other IEC 62056 parts deal with Electricity metering - Data exchange for meter reading, tariff and load control IEC 62056-21:2002 Direct local data exchange
A complex arrangement of parts. A request for solution could ask a simpler arrangement performing the same functions. A request for solution (RFS, also known as request for proposed solution) [1] is a commercial document that describes a technological or organizational situation and demands a solution (for example, a new arrangement of information technology, IT) to possible suppliers of this ...
An RFI is primarily used to gather information to help make a decision on what steps to take next. RFIs are therefore seldom the final stage and are instead often used in combination with request for proposal (RFP), request for tender (RFT), and request for quotation (RFQ). In addition to gathering basic information, an RFI is often used as a ...
Similar requests include a request for quotation (RFQ) and a request for information (RFI), where a customer needs more information from vendors before submitting an RFP. An RFI is typically followed by an RFP or RFQ. [2] When an RFP is made after negotiations with prospective contractors, the submitted tender is known as a BAFO (best and final ...
A request for qualifications (RFQ) is a step sometimes used in the formal process of procuring a product or service, for example by a government agency.It is typically used as a screening step to establish a pool of vendors (businesses or individuals to provide a product or service) that are then qualified, and thus eligible to submit responses to a request for proposals (RFP).
An SWR meter does not measure the actual impedance of a load (the resistance and reactance), but only the mismatch ratio. To measure the actual impedance requires an antenna analyzer or other similar RF measuring device. For accurate readings, the SWR meter itself must also match the line's impedance (typically 50 or 75 Ohms).