Fluke 35040 Operator's Manual page 44

35040
Operators Manual
ADC LoBias Tmr
39.995 nC
659.8 pA
59.891 s
Figure 3-32. Annunciator positions
Table 3-2 lists the indicators the instrument uses to signal that a measurement quantity has not been
compensated for leakage or is not available due to the specified condition.
Table 3-2. Measurement Indicators and Conditions
Indicator Measurement
? (left of value) All Non-leakage
-.---
INVALID Effective Time
NA
OVER Non-leakage
1
All non-leakage measurements (e.g., charge, current, dose, rate, effective time, etc.)
Table 3-3 specifies the conditions that cause the Model 35040 Therapy Dosimeter to display an
overrange indicator (OVER) for a measurement quantity.
Table 3-3. Overrange Conditions
Condition
charge > 19.999 mC
accumulated charge > 1.0000 C
current > 1.000 μA
current > 1.200 μA
time > 19,999.9 s
1
Includes radiological measurements derived from electrical measurements.
3-20
ALC
Automatic leakage compensation is enabled, but
1
the exposure started before a leakage
measurement was available.
Automatic leakage compensation is enabled, but
Leakage the exposure started before a leakage
measurement was available.
The calculated effective time is longer than the
actual exposure. This condition occurs when a
large amount of charge is injected at the
beginning of the exposure.
The leakage measurement is not available since
Leakage
automatic leakage compensation is disabled.
The quantity or one of its dependents has
1
exceeded the maximum value. Refer to Table 3-
3 for more information.
• charge
• average current
• accumulated charge
• effective exposure time
• accumulated charge
• current
• all non-leakage
• effective exposure time
Condition
Overranged Measurement
1