Fir 1, 2, 3 & 5000
Ion Science Lt d
Ion Science L td
Page 16 of 53
Instrument Displays ____________________________
Large Number Screen
Enables the viewing of real-time measurements in large numerical format for easy
viewing in difficult conditions.
Additional information such as alarm levels, battery status and a
peak hold
reading can be viewed by pressing and holding the ENTER
key.
When in 'Health & Safety' mode the STEL and TWA alarm
levels and calculated values are shown when holding the ENTER key.
Multiple Numeric Screen
Similar to the large number screen format, the multiple numeric screen enables
simultaneous viewing of all 5 sensor readings as numerical results. When viewing the
multiple numeric screen, pressing and holding the ENTER key reveals additional data
such as the measurement units (i.e. ppm or %.)
When in 'Survey' mode, readings are real-time. When in 'Health & Safety' mode the
VOC, H
2
S and CO readings are the calculated ST EL and TWA values. Use the UP and
DOWN keys to move between the STEL and TWA values.
Function Menu
Once selected use the UP and DOWN keys to highlight the function you require and press ENTER to select.
Many features can be adjusted in this section including gas selection, zone maintenance, data transfer and
alarm levels. Details of these and other functions are to be found on the following pages.
Function menu
