1. Brief Introduction
The multifunctional power sensor ES730T, adopts advanced ultra-low power large-scale integrated circuit technology and high-tech products manufactured by SMT process. The key components are long-life components of international well-known brands to improve reliability and life of the product.The combined electric fire sensor ES730T is composed of safety monitoring unit and metering unit with RS485/NB communication function. In the safety monitoring, the built-in current transformer is used to monitor the remaining current, and the built-in temperature sensor is used to monitor the wire temperature. The meter has the advantages of high measurement accuracy, good stability, strong overload capacity and high reliability, widely used for monitoring & measuring safety parameters .
1.2 Fire Detector Standards
Complied with standards:
GB14287.2-2014 electrical fire monitoring system-part 2: residual current electrical fire monitoring detector
GB14287.3-2014 electrical fire monitoring system part 3 Temperature-measuring electric fire detector
IEC 62052 - 11 - 2003 electric measuring instrument. General requirements, test and test conditions-part 11 measuring instruments
IEC 62052 - 21 - 2004 Electric quantity measuring equipment (AC) General requirements, tests and test conditions. Part 21: tariff and load control equipment
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