Hanna Instruments HI 8064 Manuel utilisateur
1
InstructionManual
HI 8064
Portable Thermohygrometer
3
2
Remove the instrument from the packing ma-
terial and examine it carefully to make sure
that no damage has occurred during ship-
ment. If there is any damage, immediately
notify your Dealer.
Note: Save all packing material until you are
sure that the instrument functions cor-
rectly. All defective items must be re-
turned in their original packing with the
supplied accessories.
PRELIMINARY EXAMINATION
With a simple rotary switch measuring both
relativehumidityandtemperature,HI8064isan
easy-to-operate thermohygrometer specially
dedicatedtoeducation.
Just turn the dial from off to RH% for relative
humidity or °C for temperature, and the large
LCDwillshowtheappropriatemeasuredvalue
in seconds.
The probe handle contains the amplification
circuitrytoensureanaccurateandlinearread-
ing throughout the range. The probe tip is
perforated to allow air circulation and thus
guarantee a fast response time. To measure
humidity electronically, a thin film polymer ca-
pacitance is used.
TheprobehandleismadeoftoughABSmaterial
towithstandthewearandtearofeverydayuse.
Weighinglessthan apoundwith batterylife of
onehundredhoursandaresponsetimeofless
than half a minute, HI 8064 is ideal for use in
schools,libraries,museums and horticulture.
GENERAL DESCRIPTION
DearCustomer,
Thankyoufor choosing aHannaproduct.
Please read this instruction manual carefully
beforeusing theinstrument.
Thismanualwillprovideyouwithalltheneces-
sary information for the correct use of the
instrument.
Ifyouneedadditionaltechnicalsupport,donot
hesitatetoe-mailusat[email protected]
This instrument is in compliance with the CE
directives.
PreliminaryExamination ............................ 3
GeneralDescription.................................... 3
Specifications ............................................ 4
FunctionalDescription................................ 4
RelativeHumidityCalibration ...................... 5
TemperatureCalibration ............................. 7
Takingmeasurements................................ 7
RelativeHumidityCalibrationTable............. 8
Warranty .................................................. 10
HannaProducts ....................................... 11
TABLE OF CONTENTS
5
4
RH CALIBRATION
TheHI 8064thermohygrometerisfactorycali-
brated, but it is recommended to periodically
control the calibration status of the meter.
Use the HI 7601 calibration kit composed of a
container with two separate chambers, each
one equipped with a threaded plug and three
envelops containing the necessary salts.
Preparingthecalibrationsolutions
• Pour approximately 26 cc of distilled water
into a glass container.
• Immerse the container in a bath of ice and
water,andshakebriefly.Thenaddslowlythe
contentsofanenvelopecontainingLiCltothe
containerwhilecontinuing toshake.
Whenthesalthascompletelydissolved,add
the contents of the second envelope.
• Allowthesolutiontocool,andthenpouritinto
the chamber marked "RH 11.1%", making
sure that no residue remains on the walls of
the glass container.
Note: When not in use, carefully seal the
chamber as the LiCl solution is ex-
tremely hygroscopic and tends to cap-
turetheairhumiditycausingthesolution
to expand slowly until it overflows from
thecontainer.
• Pour approximately 26 cc of distilled water
into the other chamber (marked "RH 75.4")
andaddthecontentsoftheenvelopecontain-
ingNaCl,whileshakingthecontainertoavoid
anylump formation.
Note: When not in use, carefully seal the
container.
SPECIFICATIONS
Range 10.0 to 95.0% RH
0.0 to 60.0°C
Resolution 0.1% RH / 0.1°C
Accuracy ±2% RH / ±0.4°C
Response Time 6 seconds for 95% accuracy
RH Calibration Manual, 2 point, through
trimmers on the RH probe
Environment 0 to 50°C (32 to 122°F);
RH max 98% non-condensing
Battery Type 1 x 9V, alkaline
Battery Life Approx. 100 hours of use
Dimensions 180 x 83 x 40 mm
(7.1 x 3.3 x 1.6'')
Weight 180 g (6.3 oz.)
• OFF position: the instrument is OFF; any
other knob position turn the instrument ON.
• ºC position: the meter is in temperature
measurement mode.
• RH% position: the meter is operating in
Relative Humidity measurement mode.
• Replacing battery: when the battery level is
low and only a few hours of working life are
left, the "V" symbol will appear on the
display to warn the user that the battery
needs to be replaced.
Remove the battery compartment rear cover
on the rear of the instrument and replace
the battery with a new one, while paying
attention to the correct polarity.
FUNCTIONAL DESCRIPTION
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6
TAKING MEASUREMENTS
• For a rapid response, expose the end of the
humiditydetectorto anair currentmovingat
more than 0.5 m/second.
In absence of air movement, the response
can be speeded up by shaking the probe.
• Ifcondenseddropsformuponthesurfaceof
thehumidity sensors,turntheinstrumentoff
and wait until this undesired water has com-
pletelyevaporated.Tospeeduptheevapora-
tionprocess,exposethehumiditysensorsto
anaircurrent.
• Ifthemeterisusedindustysurroundings,the
filter must be kept on at all time.
Calibrationprocedure
• Bring the calibration kit to a temperature of
approximately20ºC.
• Removetheplugfromthe chambercontain-
ing the LiCl solution and insert the probe.
• Remove the adhesive sticker which covers
the calibration trimmer access holes.
• Waitforthe readingtostabilize(thiswilltake
afewhours)andthenturnthe"Lowhumidity
trimmer" (the one nearest to the probe con-
nectioncable)untilthevalueof11.1%RHwill
bedisplayedon the LCD.
• Removetheprobeand tightlysealthecham-
bercontainingthe LiClsolution.
• Remove the plug from the second chamber
andinsert theprobe.
• Waitforthereadingtostabilizeandthennote
the displayed value.
• By using the Calibration Table (pages 8-9),
find the displayed readout value on column
"A" and the corresponding RH value of col-
umn"B",towhichthemeterhastobebrought
by acting on the "High humidity trimmer".
• Adjust the "High humidity trimmer" (the one
opposed to the connection cable) until the
requiredvalueis displayed ontheLCD.
• Finallyadjustthe"Lowhumiditytrimmer"until
thevalueof75.4%RHwillbedisplayedonthe
LCD.
TheHI 8064thermohygrometerisfactorycali-
brated and therefore usually it requires no fur-
therinterventionbytheuser.
Ifrecalibrationisdesired,proceedasfollows:
• Removetheadhesivestickerwhichcoversthe
calibration trimmer access holes.
• Insert the probe into a recipient in which air
heated at a temperature of 50 ºC has been
forcedtocirculate.
• Insertathermometerwithanaccuracyof0.1
ºC into the same recipient.
• Readthetemperaturevalueonthethermom-
eter.
• Adjust the temperature calibration trimmer
(thecentraltrimmer)untilthemeasuredtem-
peraturevalueis displayedontheLCD.
TEMPERATURE CALIBRATION
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8
RELATIVE HUMIDITY
CALIBRATION TABLE
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10
• CALIBRATION & MAINTENANCE SOLUTIONS
• CHEMICAL TEST KITS
• CHLORINE METERS
• CONDUCTIVITY/TDS METERS
• DISSOLVED OXYGEN METERS
• HYGROMETERS
• ION SPECIFIC METERS
• MAGNETIC STIRRERS
• Na/NaCl METERS
• pH/ORP/Na ELECTRODES
• PROBES (DO, µS/cm, RH, T, TDS)
• PUMPS
• REAGENTS
• SOFTWARE
• THERMOMETERS
•TITRATORS
• TRANSMITTERS
• TURBIDITY METERS
•WideRangeofAccessories
Most Hanna meters are available in the following formats:
• BENCH-TOP METERS
• POCKET-SIZE METERS
• PORTABLE METERS
• PRINTING/LOGGING METERS
• PROCESS METERS (Panel- and Wall-mounted)
• METERS FOR FOOD INDUSTRY
For additional information, contact your dealer or
the nearest Hanna Customer Service Center.
HANNA PRODUCTS
WARRANTY
All Hanna Instruments meters are warranted
for two years against defects in workman-
ship and materials when used for their in-
tended purpose and maintained according to
the instructions. The probes are warranted
for a period of six months.
Damages due to accident, misuse, tamper-
ing or lack of prescribed maintenance are not
covered. This warranty is limited to repair or
replacement free of charge.
If service is required, contact the dealer from
whom you purchased the instrument. If under
warranty, report the model number, date of
purchase, serial number and the nature of
the failure. If the repair is not covered by the
warranty, you will be notified of the charge
for repair or replacement. If the instrument is
to be returned to Hanna Instruments, obtain
a Return Goods Authorization from the Cus-
tomer Service Department first and then send
it with shipment cost prepaid. When shipping
any instrument, make sure it is properly pack-
aged for complete protection.
All rights are reserved. Reproduction in whole
or in part is prohibited without the written
consent of the copyright owner.
Hanna Instruments reserves the right to modify
the design, construction and appearance of its
products without advance notice.
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MAN8064R1 08/05
Australia:
Tel. (03) 9769.0666 • Fax (03) 9769.0699
China:
Tel. (10) 88570068 • Fax (10) 88570060
Egypt:
Tel. & Fax (02) 2758.683
Germany:
Tel. (07851) 9129-0 • Fax (07851) 9129-99
Greece:
Tel. (210) 823.5192 • Fax (210) 884.0210
Indonesia:
Tel. (21) 4584.2941 • Fax (21) 4584.2942
Japan:
Tel. (03) 3258.9565 • Fax (03) 3258.9567
Korea:
Tel. (02) 2278.5147 • Fax (02) 2264.1729
Malaysia:
Tel. (603) 5638.9940 • Fax (603) 5638.9829
Singapore:
Tel. 6296.7118 • Fax 6291.6906
South Africa:
Tel. (011) 615.6076 • Fax (011) 615.8582
Taiwan:
Tel. 886.2.2739.3014 • Fax 886.2.2739.2983
Thailand:
Tel. 66.2619.0708 • Fax 66.2619.0061
United Kingdom:
Tel. (01525) 850.855 • Fax (01525) 853.668
USA:
Tel. (401) 765.7500 • Fax (401) 765.7575
For e-mail contacts and complete list of Sales and
Technical offices, please see www.hannainst.com
SALES & TECHNICAL SERVICE
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