The display screen is the 0.8 inch Nixie tube, for displaying each gas concentration, also with the indicate light for the each channel. When press the key, if press less than 20ms, the key signal will be invalid, when the time between the 20ms~3s, the key signal is normal. If more than 3s, the key signal will be long-press.
Contact：Oceanus Team
Mobile/WhatsApp：+86 15981942832
Mobile/WhatsApp：+86 13673683950
E-mail：info@china-oceanus.com
Add：No.923, Floor 9, Unit 2, NO.78, Shangding Road, Zhengzhou, China
Oceanus