| 4802A Single-Channel Control Module ■ Provides continuous monitoring of combustible gas and vapors in the LEL range. • Microprocessor-based electronics allow options to be user selectable through front panel interface. • Digital display indicates gas concentration, fault codes, calibration cues and setup options. • LED indications of status, open collector and relay outputs for fault, low alarm and high alarm. • Remote setup and interrogation, via RS-485 serial communications interface, available with CC02A MODBUS communications module. |