6.3 Dose Rate Alarm Threshold
Internal tubes and Sv-probes use three digits with floating decimal point and variable unit. With the
6150AD1/2 the smallest step is 1 µSv/h, and with the 6150AD3/4/5/6 the smallest step is 0.1 µSv/h.
With pulse probes, the 6150AD1/2 indicates integer values in S
-1
, whereas the 6150AD3/4/5/6 uses three
digits with floating decimal point and variable unit, where the smallest step is 0.1 S
-1
.
internal tubes and Sv-probes
pulse probes
6150AD1/2
6150AD3/4/5/6
6150AD1/2
6150AD3/4/5/6
0.0 - 99.9 µSv/h
0.0 - 99.9 S
-1
0 - 999 µSv/h
100 - 999 µSv/h
100 - 999 S
-1
1.00 - 9.99 mSv/h
10.0 - 99.9 mSv/h
100 - 999 mSv/h
1.00 - 9.99 Sv/h
0 - 9999 S
-1
1.00 - 9.99 kS
-1
10.0 - 99.9 kS
-1
100 - 999 kS
-1
The table shows the 6150AD’s entire range. The upper limit of the range will automatically be restricted
to the dose rate range of the corresponding detector (internal tube or probe).
6.4 Dose Rate Maximum Value
The range of the dose rate maximum value is the same as for the dose rate alarm threshold (see preceding
section), except that the range is extended by one place after the decimal point. Thus the smallest steps
are 0.01 µSv/h and 0.01 S
-1
, respectively.
internal tubes and Sv-probes
pulse probes
6150AD1/2
6150AD3/4/5/6
6150AD1/2
6150AD3/4/5/6
0.00 - 9.99 µSv/h
0.00 - 9.99 S
-1
10.0 - 99.9 µSv/h
10.0 - 99.9 S
-1
0 - 999 µSv/h
100 - 999 µSv/h
100 - 999 S
-1
1.00 - 9.99 mSv/h
10.0 - 99.9 mSv/h
100 - 999 mSv/h
1.00 - 9.99 Sv/h
0 - 9999 S
-1
1.00 - 9.99 kS
-1
10.0 - 99.9 kS
-1
100 - 999 kS
-1
The table shows the 6150AD’s entire range. The upper limit of the range will automatically be restricted
to the dose rate range of the corresponding detector (internal tube or probe).
When exceeding the highest range, the flashing full scale value (»9...9«) will indicate overrange.
03/2004
Operating Manual 6150AD
Page 25
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