Model IR-700
IR-700 Instruction Manual Rev. 4.3 Page 22 of 46
AutoSpan Level.
The menu item appears as: “Auto Span Level XX”
Days From Last AutoSpan
The menu items appears as: “Last Cal XX days”
Remaining Sensor Life
The menu item appears as: “Sensor Life 100%”
Gas Factor
The menu item appears as: “Gas Factor = X.XX”
Raw Active Counts
The menu item appears as: “Active Counts XXXX”
Raw Reference Counts
The menu item appears as: “Reference Counts XXXX”
4-20mA Output
The menu item appears as: “mA Output X.XX mA”
Input Voltage Supply
The menu item appears as: “Voltage XX.X VDC”
Sensor Operating Temperature
The menu item appears as: “Temp XX C”
When the status list sequence is complete, the ITM will revert to the “View Sensor Status” text scroll. The user
can either: 1) review list again by executing another 3-4 second hold, 2) move to another menu item by executing
a momentary hold over PGM1 or PGM2, or 3) return to Normal Operation via automatic timeout of about 15
seconds (the display will scroll “View Sensor Status” 4 times and then return to Normal Operation).
3.5.2 Set AutoSpan Level
Set AutoSpan Level is used to set the span gas concentration level that is being used to calibrate the sensor.
This level is adjustable from 5% to 95% of range (100% LEL range or CO2) or 2% to 50% (50% LEL range).
The current setting can be viewed in View Program Status.
The menu item appears as: “Set AutoSpan Level”.
From the Set AutoSpan Level text scroll, hold the magnet over PGM1 or PGM2 until the “” prompt appears
and continue to hold the magnet in place for an additional 3-4 seconds (until the display starts to scroll “Set
Level”). The display will switch to “XX“(where XX is the current gas level). Swipe the magnet momentarily
over PGM2 to increase or PGM1 to decrease the AutoSpan Level until the correct level is displayed. When the
correct level is achieved, hold the magnet over PGM1 or PGM2 for 3-4 seconds to accept the new value. The
display will scroll “Level Saved”, and revert to “Set AutoSpan Level” text scroll.
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