... industry, Green Houses, Printing paper mills, Clean rooms Hospitals, HVAC(Heat, Ventilation, Air Conditioning Refrigeeration) industry, Laboratories. SPECIFICATION Meter Size :181x71x38mm(LxWxH ... industry, Green Houses, Printing paper mills, Clean rooms Hospitals, HVAC(Heat, Ventilation, Air Conditioning Refrigeeration) industry, Laboratories. SPECIFICATION Size : 181x71x38mm(LxWxH)Resolution ...