AMI - Model 3000RS - Portable Hydrogen Sulfide Analyzers - Manual

Do not use the USB Interface and/or the 12VDC Input in a Hazardous Area. A data download device may only be connected to the USB connector of this analyzer in a non-hazardous area and shall be approved as SELV or Class 2 equipment against UL 60950 or an equivalent IEC standard. The maximum voltage from a data download device shall not exceed 5.25 VDC.