Oxygen analyzer AD300 / MD300

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AD300 - Oxygen Analyzer, no alarms Microprocessor controlled Large, easy to read, 3-1/2 digit LCD display with backlighting Auto calibration and Auto diagnostics Battery strength indicator 2000 operation hours on three AA batteries 0-1 VDC or RS-232 digital output port Sensor fail / disconnect alarm Long life (36 month) R-17S oxygen sensor Rugged, high impact, ABS plastic housing Sample adapter kit V mount adapter plate Watertight carrying case Lock key protects settings Audio and visual indicators alerting the user to trouble 2 year warranty on sensor and instrument MD300 - Oxygen Monitor, with alarms Microprocessor controlled Large, easy to read, 3 1/2 digit LCD display with backlighting Auto calibration and Auto diagnostics Two fully adjustable alarms Up / Down alarm set point controls Alarm test, alarm silence, and alarm off function Battery test function and strength indicator 0-1 VDC or RS-232 digital output port Sensor fail / disconnect alarm Long life (36 month) R-17S oxygen sensor Rugged, high impact, ABS plastic housing Sample adapter kit V mount adapter plate Watertight carrying case Lock key protects settings Audio and visual indicators alerting the user to trouble 2 year warranty on sensor and instrument