Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2017-12-12 14:05
108
Model number | HM-722ES-BT |
Operating voltage | 3V DC (2*1.5V AA batteries) |
Gas species | CO |
Sensor | FICARO electrochemical sensor |
Concentration display | N/A |
Alarm level |
30ppm, alarm after 120 mins 50ppm, alarm in 60-90 mins 100ppm, alarm in 10-40 mins 300ppm, alarm in 3 mins |
Alarm output | sound and LED flash alarm |
Sound level | 85dB/1m |
Installation | Ceiling or wall installation |
Working environment | -10 to +50°C (≤95%RH No congelation) |
Dimension | φ122*38.8mm |