Heath-consultants Optical Methane Detector (OM) Manual de usuario descargar pdf (Pagina 5)

SYSTEM SPECIFICATIONS

OMD

System Specifications

Configuration: Double - ended

Sensitivity: 1 PPM / meter CH4

Measurement Range: 1 to 200 PPM

Accuracy: ± 10% (1 to 100 PPM range)

± 20% (100 to 200 PPM range)

Above 200 PPM = Not relatively

accurate

Display Ranges: 10, 30 and 90 PPM

Self - test: During boot – up

Calibration/Test: Via operator, self - contained

Calibration: Via RS-232 through software

Base - Line Compensation: Via RS-232 through software

Display: Back-lit 2" x 6" graphics LCD,

adjustable contrast

Operator Interface: Sealed membrane switch overlay

Operator Alarms:

Signal: High pitch audible with

adjustable set point, pitch

increases with concentration.

Adjustable volume.

Error: Low pitch audible with

adjustable set point

Error alarms

provided for: Warm-up, Low Light,

Communication Failure &

Battery low

System Power: 72 Watts @ 12 VDC

System Voltage: 12 - 16 VDC

NOTE: To avoid damage to the OMD™ power box, the fuse

must be removed prior to charging or jumping the battery

in the survey vehicle!

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Heath-consultants Optical Methane Detector (OM) Manual de usuario Pagina 5