Hanna Instruments HI 8064 User manual

InstructionManual

HI 8064

Portable Thermohygrometer

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

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

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

RELATIVE HUMIDITY

CALIBRATION TABLE

• 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.

You can also e-mail us at [email protected]

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.

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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