The data acquisition device is an intelligent data acquisition and transmission instrument independently developed and produced by our company. Mainly applied to on-site monitoring systems for various types of environments. A data terminal unit that can collect and store data from various types of detection instruments, and can complete data transmission functions with the Environmental Protection Bureau, terminal system platforms, and hosts. Real time monitoring of primary instruments has been achieved,2424-hour online, and through analog signal interface, digital signal interfaceRS232/485Interface, wireless transmission and flow meterCOD、PHInstrument, ammonia nitrogen, residual chlorine, flue gas,VOCMultiple instrument links such as measuring instruments. Make instrument monitoring more convenient and efficient.

Product Features

1. Meet the technical requirements of HJ 477-2009 pollution source online automatic monitoring (monitoring) data acquisition and transmission instrument;
2. Comply with the "HJ/T212-2005 Pollution Source Online Automatic Monitoring (Monitoring) System Data Transmission Standard";
3. Comply with the "HJ 212-2017 Pollutant Online Monitoring (Monitoring) System Data Transmission Standard";
4. Support multi center data transmission;
5. Built in GPRS communication module (optional CDMA/4G, 3G/2G);
6. Used for protocol conversion between wireless networks and serial ports, networks and networks, and serial ports, and for networking serial devices. The protocol can be developed by users for secondary development
7. Integrated GPRS (optional CDMA), supporting Modbus TCP protocol
8. RS-232 and RS-485 both support Modbus RTU protocol

Technical Parameter:

1. Working voltage: 12-24V Power: 5W

2. Working temperature: -30~80 ℃

3. Working humidity: 5% -95%

4. Signal input: RS485 (Modbus), 232 serial port, 4-20mA input (DZM200)

5. Signal output:

a. RS485 Modbus or 4-20mA

b. GPRS (optional for China Mobile, China Unicom, and China Telecom)

c. 232 serial port

d. Wireless transmission

6. Output Protocol: HJ212-2015 HJ212-2017

7. Product size: 156 * 91 * 60mm