Hanna Instruments HI 7101 - Manual

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Instruction Manual
HI 7101 • HI 7102
RH Calibration Kits
Dear Customer,
Remove the calibration kit from the packing material and
examine it carefully. If any damage has occurred during
shipment, immediately notify your Dealer or the nearest
Hanna Customer Service Center.
Note: Conserve all packing material until the kit has been
observed to function correctly. Any defective item must
be returned in its original packing.
PRELIMINARY EXAMINATION
Thank you for choosing a Hanna product.
Please read this instruction manual carefully before using
the instrument. This manual will provide you with the
necessary information for correct operation.
If you need additional technical information, do not hesitate
to e-mail us at [email protected].
HI 7101 and HI 7102 portable
chambers allows you to calibrate
your hygrometers. These kits include
two thermally isolated chambers,
each one equipped with a cap and
three bottles containing the appro-
priate precalibrated saturated salts to produce a known RH
value: two 15-gram bottles of Lithium Chloride (LiCl) and
one 33-gram bottle of Sodium Chloride (NaCl).
HI 7101 is used with HI 8564, HI 9064, HI 9065,
HI 9161 and HI 91610.
HI 7102 is used with HI 93640 and HI 8666.
They measure only 190 x 115 x 110 mm.
You can check the status of your probe and perform a quick
recalibration (with an accuracy of ±5%) by using the
Hanna mini-calibration chambers HI 7101 and HI 7102.
GENERAL DESCRIPTION
P REPARING THE C ALIBRATION S OLUTIONS :
• Pour approximately 26 cc of distilled
water into a glass container.
• Immerse this container into a bath of ice
and water and shake briefly.
• Slowly add the contents of a HI 7111
bottle containing LiCl into the glass con-
tainer while continuing to shake.
• When the salt has dissolved completely, add all the
content of the second bottle of HI 7111.
• Allow the solution obtained to cool, and
then pour it into the chamber marked
"RH11.1%", making sure that no resi-
due remains on the walls of the glass
container.
• Seal the chamber well when not in use, as the LiCl
solution is extremely hygroscopic and tends to capture
the humidity present in the air causing the solution to
expand in volume and to overflow from the container.
CALIBRATION
Li Cl
11.1%
Na Cl
75.4%
CALIBRATION KIT
Li Cl
11.1%
Na Cl
75.4%
CALIBRATION KIT
H 2 O
26 cc
Li Cl
Li Cl 11.1% Na Cl
75.4%
CALIBRATION KIT
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