RHapid-Cal Humidity Generator
The Product
15
Table 6. Display and Control Panel (cont.)
Item Name
Description
EXIT
Button
Hold down for 4 seconds (from any screen) to return to the main screen.
Status
Indicators
Remote:
Indicates communication over the USB serial interface.
Check Desiccant:
Indicates there may be issues with the dry gas sub-
system. Causes can be a saturated desiccant cartridge, a user setting that
takes the Product longer to transition than normal, condensation within the
chamber, and/or a leak in the system. See
Troubleshooting
for more details.
Check Water:
Indicates there may be issues with the wet gas sub-system.
Causes can be a low water level, a user setting that takes the Product longer
to transition than normal, condensation within the chamber, and/or a leak in
the system. See
Troubleshooting
for more details.
Startup and Main Screen
When the Product is first activated, the display shows the Product model number
on the startup screen. The Product then changes to the main screen and shows
. This indicates that the internal humidifier is warming up to create
sufficient water vapor that will allow high-relative humidity value settings. The
Product will not control the chamber temperature or humidity when
is
on the main screen. To bypass this warmup period and control the chamber,
push
EXIT
once.
he Product now controls the chamber. When the heating
process is bypassed, it may initially take longer to reach higher relative humidity
values. Once the Product automatically removes the
message, the
setting time of higher relative humidity values is more consistent.
Maintenance Screens
Use the maintenance screens to calibrate the Product, troubleshoot the internal
humidifier, and obtain a list of error codes. To access the maintenance screens,
simultaneously hold
NEXT
and
EXIT
down. In 4 second intervals, the probe
offset screen appears, followed by the BIT humidity screen, error codes and
firmware version. To stop at any of these screens, release
NEXT
and
EXIT
when
the appropriate screen appears. For Product maintenance, see
Maintenance
.
