REED R9900 User manual

reedinstruments
www com
Model
Instruction
Manual
Indoor Air Quality
Meter
R9900
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
2
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
Table of Contents
Features......................................................................................... 3
Specications.............................................................................3-4
Instrument Description ...............................................................4-5
Operating Instructions................................................................5-8
Data Hold ................................................................................... 5
Backlight..................................................................................... 5
Max, Min, & Weighted Averages ................................................. 6
Auto Power Off ...........................................................................6
Alarm.......................................................................................6-7
Temperature Unit ........................................................................ 7
CO2 Calibration .......................................................................... 7
RH Calibration............................................................................. 8
Software ..................................................................................... 8
Troubleshooting............................................................................. 9
Battery Replacement................................................................... 10
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
3
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
Features
• Simultaneouslymonitorscarbondioxide(CO2),relativehumidityand
temperature
• InstantaneousreadingsaredisplayedonahighresolutionLCDwith
backlight
• Dewpointandwetbulbtemperaturescanalsobedisplayed
• DisplaysSTELreadings(Short-TermExposureLimit)overa15-minute
periodandTWAreadings(Time-WeightedAverage)overaperiodof8
hours
• Holdfunctionfreezesdisplayedreading
• Maximum,minimumandaveragefunctions
• Lowdrift,non-dispersiveinfraredCO2sensor
• AudiblewarningalarmofexcessiveCO2concentrations
• RS232output
Specifications
Ranges: CO2: 0 to 5,000 ppm;
 Temperature:-10to60°C(14to140°F);
 Humidity: 0to99.9%RH;
 DewPoint:-73.4to60°C;
 WetBulb: -13.3to60°C
Resolution: CO2:1ppm;Temperature:0.1°C/°F;
 Humidity:0.1%RH
Accuracy: CO2:±5%rdg.±50ppm;
 Temperature:±0.6°C(±0.9°F);
 Humidity:±3%RH@25°C(10to90%RH)
 ±5%RH<10%&>90%
Sensors: CO2:Non-DispersiveInfrared(NDIR);
 Humidity:Rotroniccapacitor
ResponseTime: 30seconds
AudibleAlarm: 80dB
continued...
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
4
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
PowerSupply: 4x“AA”alkalinebatteries
BatteryLife: 24hours
Includes: 4AAbatteriesandahardcarryingcase
Optionalaccessories: 33%CalibrationSalt(RHA-33)
 75%calibrationsalt(RHA-75)
Instrument Description
 Power/Setbutton
 Calibration/Escapebutton
 Holdbutton
 Up/Mode/Backlightbutton
 Down/DewPoint/WBTbutton
 Max/Min/Average/Enterbutton
LCD Display
1. Airtemp/DewPoint/WetBulbtempin°Cor°F
2. CO2concentration in ppm
3. Relativehumidity%
continued...
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
5
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
 TWA Timeweightedaverage
 STEL Short-termexposurelimit
 HOLD ReadingsareheldontheLCD
 MIN/MAX Minimum/Maximumreadings
 Lowbatteryindicator
 DP Dewpointtemperature
 AIR Airtemperature
 WBT Wetbulbtemperature
 % Unitofrelativehumidity
 °E(CorF) Celsius/Fahrenheit
Operating Instructions
1. Pressthe“POWER”buttontoturnthemeteronandoff.When
poweringon,themeterwillbeepandcommencea30second
warm-up.Themeterwillthenenterthenormal-measuringmode,
displayingthecurrentCO2,temperature,andhumidityreadings.
Readingswillbeupdatedeverysecond.Note:Whenthemeter
experiencesextremeenvironmentchanges(ex.fromhightolow
temp.),itwilltake30secfortheCO2sensortorespondand30
minutesfortheRHsensor.
2. Pressthe“DP/WBT”buttontoswitchthetemperaturedisplayfrom
airtemperature,dewpoint,andwetbulb.
Data Hold
ToholdthereadingsthatarecurrentlybeingdisplayedontheLCD,press
the“HOLD”button.The“HOLD”symbolontheLCDwillindicatethe
functionisactivated.
Backlight
Holddownthe“BACKLIGHT”buttonforasecondtoactivateandto
cancelthebacklightfunction.
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
6
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
Max, Min, & Weighted Averages
Whileinthenormal-measuringmode,pressthe“MAX/MIN”buttonto
viewthemaximum,minimum,andweightedaveragereadings.Eachpress
ofthe“MAX/MIN”buttonwilldisplaytheMIN,MAX,STEL(shortterm
exposurelimit),andTWA(timeweightedaverage),insequenceandwill
thenreturntonormal-measuringmode.
InMINandMAXmodes,theLCDwillshowtheminimumandmaximum
readingsofCO2onthemaindisplayandofthereadingsonthelower
displays.
InSTELandTWAmodes,themaindisplaywillshowtheweightedaver-
ageofCO2readingsforthepast15minutes(STEL)or8hours(TWA).The
lowerdisplayswillcontinuetomeasurenormally.
NOTE:Ifthemeteristurnedonforlessthan15minutes,theSTELvalue
willbetheweightedaverageofreadingstakensincepoweron.Thisisthe
sameforTWAvaluesbefore8hoursofactivity.
Ittakesatleast5minutestocalculateSTELandTWA.Thedisplaywill
show“----”duringtherst5minutesfrompoweron.Whileallreadings
areheldunchanged,STELandTWAwillkeepupdatingevery5minutes.
Auto Power Off
Thismeterturnsoffautomaticallyafter20minutesofinactivity.Tooverride
thefunction,turnthemeteroffandholddownthe“SET”and“HOLD”
buttonsfor2secondstoturnonthemeteron.“n”willappearontheLCD
ifindicatingAutoPowerOffisdeactivated.NOTE:theautopoweroff
functionwillbedisabledduringcalibrationmode.
Alarm
ThismeterfeaturesanaudiblealarmwhenCO2concentrationsexceed
asetlimit.Toset-upthealarm,pressandholdthe“SET”buttonfortwo
seconds.“AL”andP1.0willappearontheLCD.Pressthe“ENTER”but-
tontomodifythealarmsetting.
continued...
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
7
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
ThecurrentalarmvaluewillappearontheLCD.Pressthe“UP”and
“DOWN”buttonstomodifytheppmvaluebyincrementsof100.The
alarmrangesfrom100to9900ppm.Whenthedesiredalarmvalueis
displayed,pressthe“ENTER”buttontosave,orpressthe“ESC”button
to cancel.
WhenmeasuredCO2valuesareabovethesetlimitthemeterwillstart
tobeep.Pressanybutton(exceptforthe“POWER”button)tostopthe
beeping,ormovethemetertoalocationwheretheppmvalueisbelow
thealarmlimit.Ifthebeepingdoesnotstop,restartthemeter.
Temperature Unit
Tochangethetemperaturescalefrom°Cto°F,pressandholdthe“SET”
buttonfor2seconds.Pressthe“DOWN”buttonand“Unit”andP3.0will
appearontheLCD.Pressthe“ENTER”button,andmodifythetempera-
tureunitbypressingthe“UP”or“DOWN”buttons.Pressthe“ENTER”
buttontosavethesetting,orpressthe“ESC”buttontocancel.
CO2Calibration
Thismeteriscalibratedatastandard400ppmCO2concentration. It’s sug-
gestedtoperformmanualcalibrationregularlytomaintaingoodaccuracy.
Foramorethoroughcalibrationandformaintenanceforthisproduct,
pleasecontactREEDInstrumentsat[e-mail].
DonotcalibratethismeterinanenvironmentwithunknownCO2con-
centrations.Manualcalibrationshouldbedoneinfreshoutdoorairthat
iswellventilatedandinsunnyweather.Turnonthemeterandholddown
the“CAL”and“MODE”buttonssimultaneously.“400ppm”and“CAL”will
blinkontheLCDindicatingyouhaveactivatedmanualcalibration,andwill
blinkforapproximately5minutes.Whentheblinkingstops,CO2calibra-
tioniscomplete,andthemeterwillautomaticallyswitchbacktonormal-
measuringmode.Toabortthecalibration,turnoffthemeteratanytime.
NOTE:Ensurethebatteriesarewithfullvoltageduringthecalibrationto
preventfrominterruptionorfailedcalibration.
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
8
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
RH Calibration
Thehumiditysensorcanbemanuallycalibratedwiththeoptional33%
and75%saltsolutions.Itisrecommendedthattheambientconditionto
beat25°Candatanstablehumidityforthehighestaccuracy.Toabort
thecalibrationatanytime,turnthemeteroff.Donotcalibratethehumid-
itywithoutthespeciedcalibrationsaltotherwiseitwillcausepermanent
damage.ContactREEDInstrumentsatinfo@reedinstrumentsforcalibra-
tionsaltorforservice.
Turnthemeteronandplugthesensorprobeintothe33%saltbottle.
Holddownthe“CAL”and“DP/WBT”buttontoinitiateRHCalibration.
“CAL”andthecalibratingvalueof33%(32.7%ifat25°C)willblinkon
theLCDalongwiththecurrenttemperatureattheleft.Themeterisnow
calibratingandwillnishwhen“CAL”andhumiditystopblinking,whichis
about 60 minutes.
Afterthe33%calibrationiscomplete,plugthesensorprobeintothe75%
saltbottle.Pressthe“ENTER”buttontoinitiate75%calibration.“CAL”
andthecalibratingvalueof75%(75.2%ifat25°C)willblinkontheLCD
alongwiththecurrenttemperatureattheleft.Themeterisnowcalibrating
andwillnishwhen“CAL”andhumiditystopblinking,whichisabout60
minutes.
Tocalibrate33%only,pressthe“ESC”buttonwhencalibrationiscom-
plete.Tocalibrate75%only,pressthe“UP”or“DOWN”buttonafteryou
pressthe“CAL”and“DP/WBT”buttons.
Software
ThismetercanlinktoaPCforlogginganddataanalysisviatheoptional
RS232interfaceandsoftware.Theprotocolisasfollows:
A.9600bps,8databits,noparity.
B.Cxxxxppm:Txxx.xC(F):Hxx.x%:dxxx.xC(F):wxxx.xC(F)LRCCRLF
 Description:$CO2:Air:RH:DP:WBTLRCCRLF
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
9
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
Troubleshooting
Won’t power on
Pressandholdthe“POWER”buttonformorethan1secondandtry
again.Checkthatthebatteriesareingoodcontactandcorrectpolarity.
Changethebatteriesifnecessary.
Fixed readings
Checkifthedataholdfunctionisactivated.
Slow response
Checktoseeiftheairowchannelsontherearareblocked.
Error messages
E01:CO2sensordamaged
E02:Thevalueisunderrange
E03:Thevalueisoverrange
E04:ThedataerrorresultsinDP/WBreadings
E07:ToolowvoltagetomeasureCO2
E11:Retrythehumiditycalibration
E17:RetryCO2the calibration
E31:Temperaturesensordamaged
E34:Humiditysensordamaged
Forservice(repairsorcalibration)onthisoranyotherREEDproduct
orinformationonotherREEDproducts,contactREEDInstrumentsat
[e-mail]
www. .com [e-mail]1.800.561.8187

reedinstruments
www com
10
Pantone 534 Blue
Pantone 123 Yellow
Pantone 485 Red
Pantone 123 Yellow
Pantone 534 Blue
Black Rich Black -
20/20/20/100
Blue - 100/80/30/5
Yellow - 0/27/100/0
Red - 10/100/100/5
Yellow - 0/27/100/0
Blue - 100/80/30/5
Only if you REALLY need them:
Pantone 534 Blue - 100/80/30/5
Pantone 485 Red - 10/100/100/5
Pantone 123 Yellow - 0/27/100/
INSTRUMENTS
Battery Replacement
Thelowbatterysymboland“Lob”willappearontheLCDwhenthebat-
teryneedstobereplaced.Whenthebatterypowerislow,themeterwill
beeptoindicatefailedmeasurements.Pressanybuttonbutthepower
buttontoturnoffthebeeping.
Installthebatteriesinthebatterycompartmentontherearandmakesure
theyarecorrectpolarityandingoodcontact.
Notes _________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
________________________________________________
www. .com [e-mail]1.800.561.8187