Portable Oxygen Monitor
Introduction
Teledyne
Analytical
Instruments
3
NOTE: IF THE LOW ALARM CONDITION IS TRIGGERED WITH
THE OXYGEN LEVEL STAYING ABOVE THE SAFETY LIMIT
OF 18%, THE ALARM BUZZER CAN BE DEACTIVATED BY
PRESSING THE ALARM SILENCE
(
)
KEY. IF ALARM
CONDITION IS NOT CORRECTED WITHIN ABOUT 115
SECONDS, THE ALARM BUZZER WILL REACTIVATE.
PRESSING THE ALARM SILENCE
(
)
KEY AGAIN WILL
SILENCE THE ALARM BUZZER ONCE AGAIN FOR ABOUT
115 SECONDS, WITH THE BUZZER REAACTIVATING IF
THE ALARM CONDITIONS PERSIST.
NOTE: IF THE LOW ALARM CONDITION IS TRIGGERED WITH
THE OXYGEN LEVEL FALLING BELOW 18%, THE
√
SENSOR SIGN WILL FLASH ALONG WITH THE GREEN
LIGHT, AND THE BUZZER WILL ACTIVATE. IN THIS CON-
DITION, THE ALARM BUZZER CANNOT BE SILENCED.
WHILE HOLDING DOWN THE ALARM SILENCE
(
)
KEY
MAY MOMENTARILY SILENCE THE ALARM BUZZER, AUD-
IBLE ALARM WILL RETURN UPON DISENGAGING THE
ALARM SILENCE
(
)
KEY. HOLDING THE KEY FOR
LONGER DURATIONS WILL INITIATE THE “STUCK KEY”
ALARM, WHICH CAN BE DEACTIVATED ONLY VIA REMOV-
ING THE BATTERIES FROM THE ANALYZER. ANALYZER
SHOULD BE RECALIBRATED UP ON REPOWERING.
1.1 Features
The following features are standard on the MX300-I Monitor:
Large easy to read 3½-digit LCD (see options)
Automatic LCD back lighting upon key press
Microprocessor controlled
Up/Down control keys on the front panel
Sensor fail/disconnect alarm indicator (audible and visual)
Two adjustable concentration alarms with user-defined set
points
Alarm Silence (
) key
2000 operating hours from 3 AA alkaline batteries
Battery status indicator
Battery test function
Stand for upright tabletop deployment