GPRS Temperature Monitoring Alarm System S262 gprs temperature collecting, gprs temperature chart recorder Temperature manage An Economical and Practical Solution for Temperature Measurement Logging by Modbus TCP ... ~+80°C Measurement Range: -50~+125°C Temperature Sensor input: 2Relative humidity: 10 to 90%, No condensationGSM Band: 850,900,1800,1900Mhz ...