29
28
• Leaving the probe in the "RH 75.4%" chamber, adjust the low
humidity trimmer until the display shows 75.4%.
• The humidity calibration is now complete.
Spare saturation salts are also available: HI 7111/P (LiCl) for low
range humidity, and HI 7121/P (NaCl) for high range humidity.
DATA TRANSFER TO PC
DATA TRANSFER TO PC
DATA TRANSFER TO PC
DATA TRANSFER TO PC
DATA TRANSFER TO PC
(HI 91610 only)
HI 91610
contains infrared emitting circuitry.
Set the meter to TIME mode and place it on a
HI 9200
Infrared Transmitter (ensuring that
the infrared LEDs are placed on top of each
other). The logged data can be downloaded
to your PC through the
HI 9200
's RS232 port.
During the data transfer the instrument dis-
plays "r 232".
Using the
HI 9200
Infrared Transmitter, all recorded data can be fed
to your Personal Computer for easy reproduction, storage or elabora-
tion without having to connect and disconnect cables between the
meter and your PC.
Data can be further elaborated with the new optional
HI 92000
Windows
®
compatible application software.
TIME
Windows
®
is a registered Trademark of "Microsoft Co."
• Press the ON/OFF key (for HI 9161/
HI 9261) or the RANGE key (for
HI 91610) to switch the instrument on.
• Press the RANGE key to display the RH%
reading on the primary LCD.
• Turn the low humidity trimmer (see Functional Description) until a
value of 0.0% is reached (readings between 0.0% and 1.0% RH
are acceptable).
• Remove the probe and tightly seal the chamber containing the
LiCl solution.
• Remove the cap from the "RH75.4%"
chamber containing the NaCl solution
and insert the probe, ensuring that it
does not come in contact with the liquid.
• Wait for the measurement to stabilize
(approximately 4 hours)
• Turn the high humidity trimmer until the readout on the display
is 64.3%.
• Wait for 1 hour and readjust if necessary.
12
3
6
9
4 h
ON/OFF
RANGE
CALIBRATION KIT
Li Cl
11.1%
Na Cl
75.4%
