Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-08-13 04:16
108
 By certification [File Integrity]
                    By certification [File Integrity]
                    huafanchina(Ms.)


Beijing
Industrial Zone, Zhuze Town, Liyang, Changzhou, Jiangsu, China (213351)
| Size | 480 mm * 250 mm * 130 mm | 
| Weight | about 6 kg | 
| Working voltage | AC 220V±10% 50Hz | 
| Output voltage | DC 24V | 
| Channel number | simulation 16 or 32 road, number 255 | 
| Signal input | 485 digital signal, analog (4-20 ma current) signal input | 
| Communication interface | (optional) 1 road RS232 and RS485 digital bus interface,Standard Modbus RTU protocol or non-standard,can connect the computer monitor | 
| Alarm way | first alarm more than 90 db alarm way;second alarm more than 120 db | 
| Control output | bus, line 1 public relay(optional) 32 relay control box or 8 road relay board | 
| The sampling precision | 15 AD | 
| Measuring range | 0-9999 (numerical) can be set up | 
| Temperature range | - 10 °C to 50 °C | 
| Humidity | 15% - 70% RH (no condensation) | 
| Execution standard | the combustible gas alarm controller GB16808-1997 technical requirements and test methods |