Model: S251 Name: GSM GPRS 3G 4G Power Distribution Monitoring System Keyword: GSM GPRS 3G 4G Power Distribution Monitoring Systems, GSM GPRS 3G 4G power quality monitoring, GSM GPRS 3G 4G Power transmission line monitoring system , GSM 3G Transmission Line Security Monitor, GSM 3G energy monitoring system, GSM 3G Transformer Monitoring, GSM 3G Transformer Oil Monitoringâ??, GSM 3G Transformer Oil Health Monitoring, GSM 3G Transformer oil moisture monitoring, GSM 3G transformer oil level monitoring, gsm 3g Transformer Fire alarm, gsm 3g Remote online transformer monitoring. GSM 3G Power distribution safety monitoring system. The GSM GPRS 3G 4G Power Distribution Monitoring System is not only a smart power meter for measuring the power distributor voltage, current, factor, watts, frequency, active power, reactive power, when over current or exceed the pre-set value, will alarm immediately. The GSM GPRS 3G 4G Power Distribution Monitoring System can be used for monitoring the oil temperature, oil level of the transformers. GSM 3G Wireless Power Line monitoring. The GSM GPRS 3G 4G Power Distribution Monitoring System also can be used as a wireless security alarm system for the transformers, e.g.: theft-proof, fall down, and so on. Model Description S250 GSM GPRS Power Cable Anti-Theft Alarm System S251 GSM 3G Power Distribution Monitoring System Mainly Features: 1.ARM® Cortexâ?¢-M4 32 Bit RISC Core, 72MHz inside, RTOS system; 2.Quad-Band GSM Frequency,3G, supports SMS and Voice and GPRS/3G communication; 3.Programmable by SMS Commands or PC Configurator via USB; 4.A/B/C phase power up it directly, Inbuilt large capacity rechargeable backup battery; 5.Suitable for three-phase four-wire system, input voltage: 100~400V, input current:0~5A; 6.Monitoring A/B/C 3 Phase input over current, over voltage , factor, watts, active power, reactive power exceeds alarm; 7.Power input PT,CT rate are programmable; 8.Accuracy of current, voltage is 0.2 class, power and watts is 0.5 class, sampling is 0.1seond. 9.Large internal memory can save 1000 event historical data; 10.6 analog inputs, 16bits, supports 0-5V, 0-20mA, 4-20mA; 11.2 digital outputs, 5A/30VDC,5A/250VAC, can be program to events or turn on/off by SMS; 12.8 digital inputs, NC/NO/EOL type, when digital input recover can alert by SMS; 13.I/O ports with opto-isolated and lightning protection; 14.Provide one 5VDC@1A power for additional device; 15.Equips LCD to display the real time data and for programming; 16.2 IP data centers, supports GDW 376.1â??2009 protocol over GPRS/3G network; 17.1 RS485 can be used as data transparent transmission for additional intelligent meters or PLC, with 15KV ESD protection; 18.Automatically resend the data while communication failure, GPRS failure will alert by SMS text; 19.8 SMS Alert and auto dial numbers, can program to receive specified alarm message. 20.Automatically report its status to users by the specified time.
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