INFICON Sensistor ISH2000 Hydrogen Leak Detector - Manual (Page 31)

Hydrogen leak detector Sensistor ISH2000 - Operating Manual
OM-Sensistor ISH2000-EN-201304 31
EN
Min Presentation Time
Signal values in Measuring Mode will never be presented shorter than this time.
Values are, however, always presented until the signal has recovered. The default
value is 1 second, but values from 0 - 120 seconds can be used.
Display Threshold
Hides all measurements under a set % of Reject Level .
Audio Threshold
Instrument is silent under a set % of Reject Level .
Reject Indications
There are three choices of Reject Level indications except the LEDs indication:
• Flashing screen
• Chopped audio signal
• Combination of indication 1 and 2.
Show Reject Level
Shows the Reject Level value on the display.
Audio Ready Pulse
This sets the standby sound to a silent or pulsating tone.
8.9 APC Settings*
APC is an abbreviation for Active Probe Control. APC is used to control an active
probe via the Probe Control Port. There are several active probes available. Choose
correct probe under the menu Probe Type. Customized APC drivers can be
downloaded from a PC.
There is a possibility to adapt how to measure by adjusting the timers and Purge
Level .
* Not in Battery Mode
Probe Type
Select the connected probe. When a custom driver is downloaded, it will replace
“No driver installed”.
APC Time A-D
Adjustable timer used by the APC system. APC timer can be used for general
purposes in a custom APC program.
Purge Level
Standard probes that support active sampling use the Purge Level for fast
interruption of sampling.
Setting Purge Level equal to, or just above, Reject Level will give the fastest possible
cycle times for those probes.