| Item | Technical parameters |
| Loop voltage | 15~28V |
| Monitoring current | ≤2mA |
| Alarm current | ≤3mA |
| Object monitored | Carbon monoxide |
| Alarm threshold | 80×10^-6(Volume fraction) |
| Response time | ≤30s |
| indicators | 1 red indicator: steady-on lighting when alarms; 1 indicator of 2 colors: flashes in green light when monitors; steady-on in yellow light when faults. |
| Wiring | Signal lines: L1 & L2, polarity-free; |
| Addressing method | Electrical encoding |
| Equipment connected | JB-TB-JBF-51S40-4combustible gas control panel JB-TB-JBF-51S40-8combustible gas control panel JB-TT-JBF-51S40combustible gas control panel JB-TG-JBF-51S40combustible gas control panel JB-QB-JBF-51S40combustible gas control panel |
| Communication distance | Maximum: 1000m(2.5mm2) |
| Working temperature | 0~+55℃ |
| Storage temperature | -25±2℃~+55℃±2℃ |
| Relative humidity | ≤95%RH |
| Applied standard | GB 15322.4-2003 “combustible gas detectors - part 4: point type detectors for combustible man-made gas” |
| Sensor lifespan | 5 years |
| Weight | 120g |

