MKS Novx 5000 Series, Руководство пользователя

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19-5000-M Version 1 3 Voltage Detection System Series 5000
2.2.3 Rear Ground Connector
The rear ground connector is one of three ground positions (Figure 1, item
3) the other two connectors are located on the front-panel. You can insert
a banana plug, straight wire or spade lug in this rear ground connector.
2.2.4 Probe and Proximity Filter Switches
There are two filter switches that control the sensitivity to higher frequency
voltages. The probe filter switch controls the probe side (Figure 1, item 5)
and the proximity filter switch controls the proximity side (Figure 2, item 6).
With the filter off, the bandwidth is >100 KHz and with the filter on, the
bandwidth is 5 Hz. The probe and proximity filter switches can be set
independently. Press up to turn the filter on, press down to turn the filter
off.
CAUTION : The filters will mask higher frequencies. Therefore, care
should be taken if you choose to use the filter function when monitoring a
workstation.
2.2.5 Alarm Switches
Two alarm switches control the audible alarms that will sound when the
instrument senses an ESC level in excess of a preset limit (Figure 2, items
7 and 8). The probe and proximity thresholds are set independently and
can be set at different voltages. Note that the alarm switches have three
available positions
high , low and off . High increases the sound level of the
alarm; low decreases the sound level; off deactivates the audible alarm.
NOTE: The probe audible alarm will sound once each time probe voltage
meets or exceeds the preset threshold. If probe voltage remains above the
threshold, the alarm will not continue to sound. However, the proximity
audible alarm will sound when the proximity voltage meets or exceeds the
preset threshold and will continue to sound until the voltage drops below
the threshold level.
2.2.6 Proximity Threshold Control
The proximity threshold control is used to adjust the voltage level at which
the proximity alarm will sound (Figure 1, item 9). Turn the knob clockwise
to have the alarm sound at a higher voltage. Turn it counterclockwise to
have the alarm sound at a lower voltage.
NOTE: It is important that you check and adjust the threshold level to suit
the needs of your particular environment and application.