Oxford Instruments Mercury iTC, Руководство пользователя

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Handbook
November 2011 / 59-UMC0071 / Issue 01
Mercury iTC
Page 34
USER INTERFACE
Original Instructions
The following expression explains the effect of scale and offset:
Scaled Parameter= (Measured Parameter * Scale) + Offset
3.2.6.3 Level Meter Sensor Details page
This page displays detailed information about the selected level sensor.
There are two tabs. Select either the Helium tab (see Figure 3-16 ) or the Nitrogen tab
(see Figure 3-17 ), depending on which type of level sensor is fitted.
Helium tab
Figure 3-16 Level Meter Sensor Details page - Helium tab
The page contains the following fields and controls:

Resistance at 0% (
Ω
)
Enter the resistance of the sensor when the level is 0%.

Resistance at 100% (
Ω
)
Enter the resistance of the sensor when the level is 100%.

Pre-pulse Amplitude (mA)
Enter the pre-pulse amplitude in mA.

Pre-pulse Duration (s)
Enter the duration of the pre-pulse in seconds.

Measure Pulse Amplitude (mA)
Enter the amplitude of the measurement pulse in mA.

Measure Pulse Duration (s)
Enter the duration of the measurement pulse in seconds.

Slow/Fast button
Select Fast sampling when filling the reservoir.
Select Slow sampling when the reservoir is full, to conserve helium.