Using state of the art design concepts and manufacturing techniques, the microprocessor-based AD-300 Oxygen Analyzer Oxygen Monitor with Alarms offer unique features that set this instrument apart from the competition.

Features
# 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-17D 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

The most safe and affordable product with a high quality components.