DS-PD452SMK-WE

· High quality chamber with photoelectric sensor · 3 years battery life Alarm if accumulated dose of CO is exceeded: 50 ppm (0.005%) and above---within 90 minutes 100 ppm (0.01%) and above---within 40 minutes 300 ppm (0.03%) and above---no more than 3 minutes Constant temperature alarm:＞64 ℃ Differential temperature alarm: T＞10 ℃/min View Less View more