... carbon monoxide, also known as CO gas, in your home or office. The feature of your ... in 60-90 minutes 100ppm, alarm in 10 ~ 40 minutes 300ppm, alarm in 3 minutes* Standby current:≤10uA "(LCD)," 5uA (LCD).* ... OEM orders. * Answer your enquiries, questions and emails in 24 hours * Direct control on material, testing, quality, ... sold out from Lydian CE&EN50291 7 years sensor Co Detector with LCD Display