Functional characteristics
■Wireless reception: using short-distance wireless technology to receive line fault information sent by panel indicator;
■ information forwarding: forwarding fault information to the monitoring master station by GPRS / GSM;
■ remote upgrade: the equipment can be easily upgraded through the remote maintenance master station.
technical parameter
■ Ambient temperature: - 40 ℃ —— + 70 ℃;
■ working power supply: CT power supply: Double CT not less than 5A; single CT not less than 10A; compatible with AC220V;
■ static power consumption of the whole machine: < 1MW;
■ wireless receiving distance: ≥ 10m;
■ radio receiving center frequency: 433MHz;
■ GSM module: E-GSM / gprs900 / 1800 dual band;
■ service life of lithium battery: ≥ 5 years;
■ telecommunication protocol: balanced iec8705-101 or 104 protocol;
■ terminal weight: < 5kg