Teledyne MD300 - Oxygen analyzer and monitor (Diving) - Manual (Page 11)

Oxygen Analyzer Introduction
Teledyne Analytical Instruments 11
1.1 Features
The AD300/MD300 are rugged, versatile instruments capable of
rapidly measuring the oxygen content of breathing gases commonly used
for diving purposes. Gas analysis is accurate to within ±2% of full scale
over the operating range of 0-100% at constant temperature and pressure.
The following features are standard on the AD300 and MD300
instruments:
Large easy to read 3 1/2 digit LCD display (see options)
Automatic LCD back lighting upon key press
Microprocessor controlled
Up/Down front panel controls
Sensor fail/disconnect alarm indicator (audible and visual)
Alarm silence button
2000 operating hours from 3 AA alkaline batteries
Battery status indicator
Rugged high impact ABS construction
Splash resistant case.
Long life (36 months in air) class R17S sensor
VDC digital output (optional RS-232)
The MD300 features include the above plus:
User defined set point controlled concentration alarms
Battery test function
1.2 Options
The following instrument options are available for both the AD300
and MD300 units:
A-Option—3-digit LCD display instead of 3 1/2 digit
B-Option—RS 232 digital output instead of 0-1VDC