Revision 1 88 9/10/2019
The Tape Remaining (days) field is calculated using the stain width information described
above to show the amount of tape remaining on the reel, in days. This value can be
calculated by hitting the calculate button. Another useful calculator is the Tape Remaining
After Tape alarm (days). By pushing this field’s Calculate button the operator can see exactly
how many days of tape life there is after the Tape Length alarm.
It is ESSENTIAL that tape length is updated every time one is replaced. For
example, if the user is using a 330 foot sensing tape, it is essential that this
field be updated to a value of 330 every time a new tape is installed.
5.9.2 Global Alarms
12 analyzer global alarms can be enabled or disabled. Out of the 12 alarms, 5 have editable
Limit fields.
• Sensor LED current alarm limit is set by default to 19mA for a Class I, Div. 2 unit. The
actual sensor LED current can be viewed on the Analysis tab.
• High and Low temperature limits are set to 40
o
C and 0
o
C respectively.
• Maximum Tape Advance Limit is set to 60 seconds. The actual tape advance time will vary
depending on the darkness of the tape staining.
• Tape Length Limit field is set to 20 ft. If the analyzer calculates the tape length to be less
than the limit, an alarm will be set.
Each global alarm has a list of relays and solenoids that can be used to activate an alarm
action response. To change any of these actions from the default setting, the global alarm
needs to be disabled first (remove the checkmark from its corresponding checkbox by a left
mouse click). Once this is done, choose the desired action by placing a checkmark into the
appropriate actions checkbox and then re-enable the global alarm.
5.9.3 Calibration Gain Calculator
The Calibration Gain Calculator can be used to calculate what the new Gain Factor will be
when performing a manual calibration.
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