Tailor Made Ammonia NH3, phosphine PH3, hydrogen cyanide HCN, signal processing board, transmitter, digital transmission


SKU: 582977020890 Categories: , ,


The CO, SO2, H2S, PH3, HCN, NH3 gas sensor signal processing and conditioning boards are provided by a team with long-term experience in related development to provide comprehensive after-sales technical services, and can also purchase sensor probes to help customers quickly apply!


  1. Power supply: +9V~25V;
  2. Applicable sensors: city (NH3 3E 100, NH3 3E 500, NH3 3E 1000, 4PH-Fast, PH3 3E 5 LT, 4HN), Alpha, Speed ​​Leader (Honeywell), DDS and other three-electrode current manufacturers Type sensor
  3. UART: 115200 baud rate, TTL level; (custom protocol)
  4. RS485: 115200 baud rate; (modbus RTU protocol, custom protocol)
  5. Support address software change;
  6. Support any two-point calibration calibration;
  7. Provide PC testing and monitoring software for free; (used for calibration and parameter setting)
  8. FLASH permanent storage of configuration parameters;

Scalable configuration: (need to negotiate when ordering)

  1. Frequency output: 200-1000Hz; (variable design for threshold comparison control output)
  2. Heating control; (need to be equipped with heating resistance wire for dehumidification and reduce the influence of temperature changes)
  3. NTC temperature collection, and the heating control temperature can be set by communication; (recommended temperature control: 25±0.5°)


  1. Provide supporting probe service; (Refer to this shop for specific prices, and you can get an immediate discount of 8 yuan/set)
  2. Support customized services (analog output, digital output, wireless acquisition, touch screen acquisition, host computer monitoring, etc.);
  3. Schematic diagrams, PCB, source code services are not provided for direct-sale products in stores;