Fluke 35040 Quantity Description Units Comments, QExposure, QAccumprevious, QElectrometer

35040

Operators Manual

Table 2-1. Description of Quantities

Quantity	Description	Units	Comments
	Air Density		Calculated by instrument and depends on front panel
ADCF	Correction	None
			Temperature and Pressure settings.
	Factor
	Charge during		Electrical charge delivered to readout in response to
QExposure		C	radiation incident upon detector since the last
	exposure
			exposure.
QAccum	Accumulated	C	The sum of all charge accumulated due to exposures
	Charge		since the RESET/MEASURE button was last pressed.
	Previous		The sum of all accumulated charge not including the
QAccum_previous	Accumulated	C	current exposure since the RESET/MEASURE button
	Charge		was last pressed.
QElectrometer	Electrometer	C	Factory calibrated electrical charge.
	Charge
Q	Charge	C	Calibrated electrical charge.
QScaleFactor	Charge Scale	C / C	Calibrates the charge measured by the electrometer.
	Factor		Viewed on a Test Function screen.
QOffset	Charge	C	The electrical charge measured when no incident
	Leakage		radiation is present.
I	Current	A	Calibrated electrical current.
IAvg	Average	A	The constant electrical current required to accumulate
	Current		charge Q over time TStart to T.
		Ion
ICCF	Ion Chamber	Chamber	Values are field programmable via Customization
	Calibration	Calibration
			Software.
	Factor	Units
		/ A or C
ILeakage	Leakage	A	The electrical current measured when no incident
	Current		radiation is present.
IScaleFactor	Current Scale	A / A	Calibrates the current. Viewed on a Test Function
	Factor		screen.
RateMultiplier	Rate Units	s	Specifies the number of seconds the rate divisor is
	Multiplier		equal to 1(s), 60(min), 3600(hr).
T	Q Sampling	s	The time corresponding to Q and I.
	Time
Time	Effective Time	s	The time required to accumulate charge QExposure
	of Exposure		with a constant electrical current IAvg.
TOffset	QOffset	s	The time corresponding to QOffset and ILeakage.
	Sampling Time
QTimed	Timed Charge	C	The electrical charge delivered during the timer
			interval.
	Predicted		The total amount of timed charge that should be
QTimed_Predicted		C	accumulated at the completion of the timer interval,
	Timed Charge
			based on the observed delivery rate.

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