Fine Offset Electronics WH41 Air Quality Sensor User Manual

Fine Offset Electronics Co., Ltd. Air Quality Sensor

User Manual

Instruction ManualAir Quality6HnVorModel: WH
Instruction Manual1Contents1. Introduction...........................................................22. Get Started........................................................... 22.1 Parts List....................................................22.2 Air Quality Sensor Set Up........................32.3 Display Console Set Up...........................42.3.1 Display Console Layout........................73. Wireless Sensor Installation..............................84. Console Operation.............................................. 94.1 °C/°F...........................................................94.2 MAX............................................................95. Sensor Resynchronization.................................96. Best Practices for Wireless Communication.97. Function.............................................................. 108. Appendix.............................................................119. Specifications.....................................................129.1 Wireless Specifications.........................129.2 Measurement Specifications................129.3 Power Consumption.............................. 1210. FCC Statement................................................1311. Warranty Information...................................... 15
Instruction Manual21. IntroductionThanks for your purchasing of the WH0290Wireless Air Quality Monitor with IndoorTemperature and Humidity. To ensure the bestproduct performance, please read this manualand retain it for future reference.2. Get StartedNote: Power up sequence must be performed inthe order shown in this section (insert batteriesin the Air Quality Monitor first, thenSensor(transmitter).Attention:Do not mix old and new batteriesDo not mix Alkaline, Standard, Lithium orRechargeable batteriesEnsure batteries are installed correctly withregard to polarity +/-2.1 Parts ListOne Air Quality Monitor (Receiver)One Air Quality Sensor(Wireless PM2.5 Sensor)One USB CableOne User ManualTwo LSD( low self discharge) Ni-MHRechargeable Batteries
Instruction Manual32.2 Air Quality Sensor Set Up1. Remove the battery door on the base of theair quality sensor as shown in Figure 1Figure 1
Instruction Manual41Solar panel2Battery Compartment Cover3Red LED Indicator (RF transmission)4Blue LED Indicator (charging status)5USB Port6Battery Compartment2. Insert two AA battery.3. After inserting the battery, the remote sensorLED indicator will light for 4 seconds, andthen flash once per 60 seconds thereafter.Each time it flashes, the sensor istransmitting data.4. Close the battery door.5. Connect the USB cable to a standard USBpower adapter and charge battery until blueLED is turned off, indicating batteries are fullycharged.6. When no sufficient solar radiation is possible,a fully charged set battery can last for about20 days( about 500hours), and battery statusmonitor on display will reflect the batterypower status. When battery is empty, pleasecharge sensor again.2.3 Display Console Set Up1. Move the remote about 2 to 3m away from
Instruction Manual5the display console (if the sensor is tooclose, it may not be received by the displayconsole).2. Remove the battery door on the back of thedisplay, as shown in Figure 2. Insert one AA(alkaline, lithium or rechargeable) battery inthe back of the display console.Figure 21. Integrated Hanging Hole2. Tabletop Stand3. °C/°F Button4. MAX Button5. Battery Compartment6. Battery Compartment Cover
Instruction Manual6All of the LCD segments will light up for a fewseconds to verify all segments are operatingproperly.Full Display3. Replace the battery door, and fold out thedesk stand and place the console in theupright position.The console will instantly display indoortemperature and humidity. The PM 2.5value will update on the display within a fewminutes.While in the search mode, the receptionsearch icon flash.If the remote does not update, please contactour Customer Service for support.
Instruction Manual72.3.1 Display Console LayoutFigure 31. Current PM 2.5 value2. Air Quality Level3. 1h MAX PM 2.5 value4. Indoor Temperature5. Indoor Humidity6. 24h MAX PM 2.5 value7. History MAX PM 2.5 value8. Outdoor Reception Icon
Instruction Manual83. Wireless Sensor InstallationOutdoor InstallationUse four screws to fix the base of the outdoorsensor on a flat surface.
Instruction Manual94. Console OperationNote: The console has two buttons for easyoperation:【°C/°F】button (on the left), and【MAX】button (on the right).4.1 °C/°FShort press 【°C/°F 】button to select thetemperature unit: °C/°F4.2 MAXPress the MAX button for 5s to clear the historymax and 24h max PM 2.5 value.5. Sensor ResynchronizationWhen the remote sensor lost reception, holdingthe °C/°F and MAX button for 5s, will registernew outdoor for 12 minutes.While in the search mode, the reception searchicon flash.6. Best Practices for WirelessCommunicationNote: To insure proper communication, placethe remote sensor on a flat surface. Do not leanor upside down it to avoid any damage.
Instruction Manual10Keep the console several feet away fromcomputer monitors and TVs.7. Function1) Indoor temperature and humidity2) Every 60 second the unit will measureindoor temperature and humidity.3) PM 2.5 current and max value for1h/24h/history.4) Every 60 second the unit will receivewireless PM 2.5 sensor.5) Wireless Signal Strength IndicatorDuring the synchronization, it will reduceone signal segment if it have not receivedthe signal once from the transmitter. It willincrease one signal segment if it hasreceived the signal once.Lost the signal onceReceived the signal once
Instruction Manual118. AppendixAbout the Air Quality LevelsAQIAirPollutionLevelHealth ImplicationsCautionary Statement(for PM2.5)0 - 50GoodAir quality is consideredsatisfactory, and airpollution poses little or noriskNone51 -100ModerateAir quality is acceptable;however, for somepollutants there may be amoderate health concernfor a very small number ofpeople who are unusuallysensitive to air pollution.Active children andadults, and people withrespiratory disease,such as asthma, shouldlimit prolonged outdoorexertion.101-150MildMembers of sensitivegroups may experiencehealth effects. Thegeneral public is not likelyto be affected.Active children andadults, and people withrespiratory disease,such as asthma, shouldlimit prolonged outdoorexertion.151-200UnhealthyEveryone may begin toexperience health effects;members of sensitivegroups may experiencemore serious healtheffectsActive children andadults, and people withrespiratory disease,such as asthma, shouldavoid prolonged outdoorexertion; everyone else,especially children,should limit prolongedoutdoor exertion201-300SevereHealth warnings ofemergency conditions.The entire population ismore likely to be affected.Active children andadults, and people withrespiratory disease,such as asthma, shouldavoid all outdoorexertion; everyone else,especially children,should limit outdoorexertion.300+HazardousHealth alert: everyonemay experience moreserious health effectsEveryone should avoidall outdoor exertion
Instruction Manual129. Specifications9.1 Wireless SpecificationsLine of sight wireless transmission (inopen air): 300feet(100meters)Frequency: 433.92 MHzUpdate Rate: 60 seconds9.2 Measurement SpecificationsThe following table provides specifications forthe measured parameters.9.3 Power ConsumptionBase station (display console) : 1 x AAAlkaline or Lithium batteries (not included)Remote sensor : 2 x AA 1.2V LSD typeNI-MH batteries (included)Solar panel for backup powerNote:1. Battery type for charging: 2 x AA 1.2VMeasurementRangeAccuracyResolutionIndoortemperature14 to 140 °F± 1 °F0.1 °FIndoor Humidity1 to 99 %Accuracy +/- 3% RH(@25°C. , 30%RH to80%RH).Accuracy +/- 5% RH(@25°C. , 1%RHto29%RH；80%RH to99%RH)1%PM 2.50~999ug/m3±5ug/m3 or ±10%1ug/m3
Instruction Manual13NI-MH batteries(battery life: 3 weeks)2. It's recommended to recharge theoutdoor sensor every two week.3. Charge time: 3h (The blue LED indicatorwill light when in charge and be off when fullcharged)4.Charge Method: USB charge(USB Cableincluded)10. FCC StatementStatement according to FCC part 15.19:This device complies with part 15 of the FCCrules. Operation is subject to the following twoconditions:1. This device may not cause harmfulinterference.2. This device must accept any interferencereceived, including interference that may causeundesired operation.Statement according to FCC part 15.21:Any changes or Modifications not expresslyapproved by this company could void the user'sauthority to operate the equipment.Statement according to FCC part 15.105:NOTE: This equipment has been tested andfound to comply with the limits for a Class Bdigital device, pursuant to Part 15 of the FCCRules. These limits are designed to providereasonable protection against harmful
Instruction Manual14interference in a residential installation. Thisequipment generates, uses and can radiateradio frequency energy and, if not installed andused in accordance with the instructions, maycause harmful interference to radiocommunications.However, there is no guarantee that interferencewill not occur in a particular installation. If thisequipment does cause harmful interference toradio or television reception, which can bedeterminedby turning the equipment off and on, the user isencouraged to try to correct the interference byone or more of the following measures:•Reorient or relocate the receiving antenna.•Increase the separation between theequipment and receiver.•Connect the equipment into an outlet on acircuit different from that to which the receiver isconnected.• Consult the dealer or an experienced radio/TVtechnician for help.
Instruction Manual1511. Warranty InformationWe disclaim any responsibility for anytechnical error or printing error, or theirconsequences.All trademarks and patents are recognized.We provide a 1-year limited warranty on thisproduct against manufacturing defects inmaterials and workmanship.This limited warranty begins on the original dateof purchase, is valid only on products purchasedand only to the original purchaser of this product.To receive warranty service, the purchaser mustcontact us for problem determination and serviceprocedures.This warranty covers only actual defects withinthe product itself, and does not cover the cost ofinstallation or removal from a fixed installation,normal set-up or adjustments, claims based onmisrepresentation by the seller or performancevariations resulting from installation-relatedcircumstances.

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