Long Count Mode; Return To Monitoring Mode - Exploranium GR-100 User Manual

GR-100 User's Manual Revision 1.2
3.4

Long Count Mode

From the MONITOR display press LONG and than three times SHORT to bring
the LONG COUNT setting screen on:
Press LONG to confirm the selection:
This activates the LONG COUNT feature and starts the counting cycle. The LONG COUNT screen is
similar to the monitor screen except the MON symbol is replaced with the counting time period.
This mode of operation allows you to make longer time of measurement to
obtain higher sensitivity and more precise results for low level radiation in
constant radiation field. You can terminate the counting cycle at any time by
pressing LONG. The following screen appears after termination of the counting
period:
• G - means column with the gamma data
• N - means column with the neutron data
• The first data row (28620, 2) indicates the total number of counts per
the total counting time period for the respective gamma and neutron
detector.
• The second data row (31, 0.00) indicates the count rate with the respective gamma and neutron
detector.
• The third data row (901 sec) indicates the total counting time period in seconds.
• The SHORT press resumes the standard monitoring mode again.
3.5

Return to Monitoring Mode

If you enter the function selection routine by mistake, you can return to the
monitoring mode by pressing SHORT four times.
You can select the monitoring mode by pressing LONG:
Consecutive SHORT presses move the selection in a loop sequence: SEARCH –
SETTINGS – DATE/TIME – LONG COUNT – MONITOR until you confirm one of the
selections. If no action is taken by the operator for 15 seconds, the unit reverts back to the monitoring
mode automatically.
SAIC/Exploranium – Proprietary Page 13
3.0 Setting up the Unit
LONG COUNT
LONG COUNT
SELECTED
12:57
1
234
N 0
44.4 µR/h
G
28620
31 0.00
901 sec
MONITOR
MONITOR
SELECTED
Revision Date: November 2004
N
2