ENMET OMNI-4000 - Manual (Page 64)

ENMET Corporation OMNI-4000 S/N 6705 and above
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Measurements: Continuous for all operational sensors
Sensors; Electrochemical:
Interchangeable preset units
Automatic recognition by device (EEPROM)
Display: Alphanumeric LCD, 2 lines of 16 characters
Plain messages
Display Backlight: Timed
Optional Switchover of Explosive Gas Detection Ranges:
Automatic for "% Gas" scale to "% Volume" scale; must have an oxygen sensor installed
Sensor Failure Identification by individual indicator lamps
Plain language messages
Corresponding display "frozen." Other channels operational
Continuous audio and general visual alarm
NI-CAD Battery Failure Plain language display
Continuous audio and general visual alarm
Operational Checks Automatic calibration on request (optional)
Self-test on start-up
Audio and visual signals every 30 seconds
Readings displayed plainly
Alarms Explosive Gas: One instantaneous threshold adjustable over the 0-50% LEL range.
Oxygen: Two instantaneous thresholds adjustable over the full measurement scale of the
sensor (oxygen depletion and abundance)
Toxic (per sensor):
ƒ One instantaneous alarm threshold adjustable over the full measurement scale
ƒ One TWA threshold
ƒ One STEL threshold