RTU5023 Temperature Humidity Alarm GSM 3G 4G Wireless SMS Alert Power Outage Failure Alarm

Feature: 1. Feature: This temperature and humidity composite sensor with calibrated digital signal output, support GSM/3G/4G network communication without distance limitation. 2. Voltage Detection: The host has a built in microprocessor to monitor the power supply voltage value, and the measurement range is 0~36V, has high accuracy and efficiency. 3. Supported Protocols: Support for Modbus RTU Over TCP and for Modbus TCP protocols, which can be connected to the cloud platform for real time monitoring through the network. 4. Information Alarm: You can set the current status to the first user number at a fixed point each day or periodically, and remotely query the alarm history through SMS. 5. Alarm: Support 10 authorized user numbers, you can receive alarm SMS when alarming, and the last 5 authorized numbers can also receive alarm call reminders. Specification: Item Type: Temperature Humidity AlarmMaterial: Metal Power Consumption: Standby: 20mA at 12V; Maximum Power Consumption: 150mA at 12V GSM/3G/4G: GSM Frequency: 850/900/1800/1900MHz (default) SIM Interface Support: 3V SIM cards External Antenna: SMA antenna interface, 50 ohms Support Protocol: For Modbus RTU Over TCP protocol, for Modbus TCP protocolMain Machine: -40~+80 degrees C, RH: 0-100percent Sensor: Temperature measurement range -40 degrees C~80 degrees C, accuracy +/-0.5 degrees C, humidity measurement range 0~99.9percent RH, accuracy +/-3percent RH Built in Battery: 3.7V/900mAh lithium batteryx1 (built in), can work for 8 hours Operating Temperature Range: -10 degrees C~60 degrees C Operating Humidity Range: Relative humidity 95percent (non condensing) Device Dimensions: Length: Approx. 70mm/2.76in, Width Approx. 88mm/3.46in, Height: 30mm/1.18in. Package List: 1 x Alarm1 x Sensor1 x Antenna1 x Power Adapter1 x Instruction Manual