產品介紹：
SCJ-DATA21 (IP68) low-power measurement and control terminal is a product designed for groundwater monitoring. It integrates 4G DTU, battery and low-power IoT data acquisition terminal; built-in 432WH disposable lithium-ion battery ( larger capacity can be customized ), protection level reaches IP68, equipped with low-power Bluetooth to support mobile phone on-site configuration, support flow or water level or other sensor data acquisition, built-in 16MB memory, can meet more than 1 year of data storage needs, and supports remote configuration upgrade function, reducing the difficulty of customer installation and use.
特徵：
Remotely modify device parameters and reporting frequency; remotely upgrade device programs to save users’ worries
High quality and high stability pressure sensing element with ultra-high stability
IP68 protection level, can work underground for a long time;
Internally integrated 4G DTU, communication is possible without external DTU;
Built-in lithium battery, integrated design, easy installation;
Extremely low standby power consumption and optimized acquisition and transmission algorithms greatly increase battery working time;
Built-in low-power Bluetooth, convenient for on-site debugging, setting parameters and querying data via mobile phone;
Support rapid customization of communication protocols and sensor acquisition protocols;
It can be directly matched with various water quality, flow rate, or water level meters of the company for use underground;
Original manufacturer supports customization
主要技術參數：
電源範圍 | DC 12V lithium battery |
工作電流 | <6.5 mA @ DC12V 25℃ ① |
待機電流 | <0.015mA DC12V 25℃ ① |
工作溫度 | -30℃-70℃ |
儲存溫度 | -35℃-75℃ |
射頻傳導敏感性 | LTE FDD B1/B3/B5/B8/B34/B38/B39/B40/B41 <-99dBm |
RF output power | LTE FDD B1/B3/B5/B8 -44dBm ~ 23dBm (±2dBm) LTE TDD B34/38/B39/B40/B41 -42dBm ~ 23dBm (±2dBm) |
最大輸出電流 | <2A @DC12V (the total current output to the sensor cannot exceed 2A) |
辛card type | SMD 辛card/MicroSIM (all network 4G SIM card) |
Bluetooth Type | BLE5.1 2.4G~2.48GHz |
DTU Antenna Interface | N female connector/SMA external thread inner hole |
DTU Antenna Parameters | Waterproof 5dbi antenna |
Bluetooth Antenna | External 2.4G omnidirectional high-gain antenna |
Installation diagram:
Groundwater field installation case:
Designed for groundwater monitoring occasions with insufficient power supply, humid environment, and low requirements for data real-time performance. The product series is rich and widely used in water level ;
