INFICON Sensistor ISH2000 Hydrogen Leak Detector - Manual (Page 36)

Hydrogen leak detector Sensistor ISH2000 - Operating Manual
36 OM-Sensistor ISH2000-EN-201304
EN
calibration is required to be useful. Contact INFICON AB to have the code sent to
you. See the web address under section-Info.
Debug Mode
This mode is used during service and software development.
Service Mode
This mode contains useful information to analyze the gas sensor behavior and the
APC I/O‘s and timers.
8.13 Combined Mode
In Combined Mode the bar and the sound in Locating Mode is combined with the
figures in Measuring Mode .
The loud speaker sound follows the Locating Mode signal.
Note: After a system reset the default mode is Combined Mode .
When you have located the leak then you can measure its size in the following way:
1. Remove the probe from the leak.
2. Wait until 0.0 appears on the display
3. Then put the tip of the probe on the leak.
8.14 Probe
The Hand Probe P50 is a non-sniffing probe. Gas Measuring takes place in a sensor
that is in the tip of the probe. The probe is equipped with a function button,
indicator lamps, and lighting. The probe can be ordered with a flexible neck.
During operation the heat of the probe tip is 50ºC
Note: There are a variety of different probes that can be connected to the Sensistor
ISH2000. When using an active probe please refer to the respective probe
manual.
Changing the Probe
After attaching a probe the Sensistor ISH2000 needs to stabilize, and the green LED
should blink. If it does not, then there is a fault in the cable or the hydrogen sensor
inside the probe is faulty.
When the stabilization period is over the green LED should stay on. Before using the
Sensistor ISH2000 the instrument needs to be calibrated. Repeat calibration after
one hour to achieve greatest accuracy.
Changing the Probe Tip
The probe tip (sensor for P50) is replaceable and is locked with a union nut. The
union nut seals against contact with moisture. If you are not sure about changing
the probe tip then we recommend that you send it to an authorized service center.
To change the probe tip do the following steps:
1. Turn off the instrument.
2. Loosen the safety nut with a 10 mm wrench.