... transmission and distribution, biological medicine, agriculture, etc2. Technical characteristicsl high precision, high resolutionl broad range, the most massive ranges from 0 to ... temperature: - 40 ~ 70 °CWork humidity: 0 ~ 95% RH not gelWorking voltage: 3.6 VDCAlarm current: 120mAThe working current: KuoSanShi 10mA, pump ... of the frame (display with CO, for example) Formaldehyde Test (GD80-CH2O)