Dioche Temperature Humidity Alarm for Smart Sensors and Power Failure

The device in question is a Temperature Humidity Alarm, with the following specifications:

Material: Metal Operating Voltage: Standard power supply 12VDC, supporting 9~36VDC Power Consumption: - Standby: 20mA at 12V - Maximum: 150mA at 12V

Connectivity: - GSM Frequency: 850, 900, 1800, 1900MHz (default) - 3G Network Band: 3G WCDMA (optional) - 4G LTE Band: 4G LTE (optional) - SIM Card Interface: Supports 3V SIM card - External Antenna: SMA antenna interface, 50 Ohm - Supported Protocols: RTU Over TCP, TCP

Temperature and Humidity Input: - Host: -40-80°C, 0-100% RH - AM2301 Sensor: - Temperature Measurement Range: -40°C-80°C - Accuracy: ±0.5°C - Humidity Measurement Range: 0-99.9% RH - Accuracy: ±3% RH (sensor wire length 5m) - Temperature Input: -55°C-125°C, accuracy ±0.5°C - Analog Input: 4-20mA

Phase Power Input: 100-500VAC

Built-in Battery: 1 x 3.7V/900mAh lithium battery, can work for 8 hours

Operating Conditions: - Temperature Range: -10°C-60°C - Humidity Range: 95% relative humidity (no condensation)

Device Size: Approx. 70 x 88 x 30mm / 2.76 x 3.46 x 1.18in

Usage Guide: - On the back of the device, use a screwdriver to unscrew the small cover, where you can find the power switch, keys, and the SIM card slot (with the chip facing down). - The keys have two functions: 1. Upgrade: Press and hold the power on to enter the upgrade mode. 2. Reset: Press and hold for 3 seconds to reset the device in the power on state.

Package Contents: - 1 x Temperature Humidity Alarm - 1 x Sensor - 1 x Antenna - 1 x Power Adapter - 1 x Instruction

Key Features: - The digital temperature and humidity module is a calibrated sensor that supports RTU over and protocols. - The device accepts GSM, 3G, and 4G network communication, allowing for long-distance and versatile use. - Users can set daily fixed-point or regular automatic reporting of the current status to the first user number, and remotely query historical alarms via SMS. - The built-in microprocessor monitors the power supply voltage, eliminating the need for a separate voltage probe. - The device supports 10 authorized user numbers, which can receive alarm text messages and call reminders when an alarm is triggered.

product information: