Extech WB200 Hygro Thermometer Manual PDF
Contents
1. s internal memory e Used as an ENTER key in set up mode for stepping and editing 3 WB200 EN V1 2 9 12 Operation Getting started Momentarily press the Power button O to switch the meter ON After the 3 second power up self test the meter switches to the normal measurement mode where the Air Temperature Relative Humidity Wet Bulb Temperature and Dew point Temperature readings cycle automatically every two seconds on the LCD refer to Figure 1 below Figure 1 Four Measurement Modes Display Cycling C Air Temperature RH Wet Bulb Temperature Dew Point Temperature The meter runs the fan for 2 minutes upon power up to generate readings the meter only updates readings while the fan is running Switching the Fan ON As mentioned the meter takes measurements only while the fan is running When the meter is not in the CON continuous fan mode press the FAN button to start the fan and view current measurements the fan will run for 2 minutes with each button press When the environmental conditions change run the fan to quicken the response time and to obtain the latest readings To access the CON continuous fan feature refer to the SETUP mode section of this guide Maximum MAX and Minimum MIN Readings The meter begins storing the maximum and minimum readings for air temperature relative humidity dew point temperature and wet bulb temperature when the meter is switched ON When the meter is switche2. EXTECH USER GUIDE INSTRUMENTS A FLIR COMPANY Wet Bulb Thermo Hygrometer Datalogger Plus Dew Point Temperature Model WB200 FCW TORIC MAI OIL 1 ALMRECMxMn F Introduction Thank you for selecting the Extech Instruments WB200 Thermo Hygrometer Datalogger with Dew Point and Wet Bulb Temperature readings This device measures and displays four 4 environmental parameters Air Temperature Relative Humidity Wet Bulb Temperature and Dew Point Temperature This meter combines traditional dry wet bulb operation with modern electronic circuitry to provide accurate readings and trouble free operation especially in dusty environments The built in datalogger with selectable sampling rate captures up to 100 readings for each measurement type The stored readings can be viewed on the meter s LCD display The WB200 is perfect for greenhouses other high humidity areas and locations prone to harsh environmental conditions This device is shipped fully tested and calibrated and with proper use will provide years of reliable service Extech Instruments is an ISO 9001 certified company Check the Extech website www extech com to check for newer versions of this User Guide Features e Large easy to read LCD display e Two thermistors provide fast accurate readings e Built in fan quickens response tim
3. Meter Description Hang mount attachment holes LED status indicator LCD Display Push button keypad Thermistor sensor Fan Wet Bulb wick covering thermistor Water tank Battery compartment bottom of meter 0 Removable protective cover 0 0 NO STR D Not Pictured Power Adaptor port on rear side LCD Display Description Fc Full Content internal datalogging memory is full Re Percent Relative Humidity F cWTD PR H C C F Selectable temperature units of measure ALM Alarm condition TE 1 1 1 1 REC Recording datalogging mode 1 XI X X O Mx Maximum reading UA ALA Mn Minimum reading i ALMRECMxMn F WT Wet Bulb temperature DP Dew Point temperature CT Low Battery icon Keypad Description A gt a POWER D I SET UP ARROW KEY A O ui srl e Switches the meter ON and OFF SET RECALL MEMORY e Press and hold for at least 2 seconds to enter the set up mode e The A key is used during set up and other programming operations for stepping and editing FAN RECALL RIGHT ARROW KEY gt e Switches the fan ON e Press and hold for at least 2 seconds to review recall stored datalogger data e The B key selects a digit in the set up mode while editing MAX MIN MEMORY ENTER 4 KEY e Displays the Maximum MAX and Minimum MIN readings for a measurement session e Press and hold for at least 2 seconds to start datalogging to the meter
4. OFF In the RH Alarm mode the user can set the alarms ON or OFF and set the High and Low Alarm Limit values When the limits are exceeded the meter audibly and visibly red flashing LED alerts the user Refer to the Operation section of this guide for more details on alarm alerts a When the temperature alarm parameters are set as described above and the user presses the ENTER 1 key to continue the rh ON OFF screen appears Use the key to change to rh ON if necessary and then press ENTER 1 to access the Alarm Limit section If necessary use the A key to select HI b With HI displayed press ENTER to access the HI Limit adjustment screen The adjustment range for the HI limit is 3 0 to 99 9 RH c The flashing digit on the HI Alarm Limit adjustment screen is ready to be changed use the A key to adjust it as desired Use the D key to select another digit for editing When finished press Enter J to access and program the LO Alarm Limit in the same fashion as the HI Alarm the LO limit cannot be set higher than 3 below the HI Limit d When finished programming the Alarm Limits press ENTER 4 to access the next set up parameter 3 Sampling Rate for Datalogger select up to a 60 minute interval The meter s internal memory can store up to 100 sets of readings each set includes one measurement from each of the four available measurement modes The datalogger automatically stores a set of readings at a program
5. apr s la p riode de garantie contactez le service a la client le pour obtenir une autorisation de retour Visitez notre site Web au www extech com pour des informations Un num ro d autorisation de retour AR doit tre mis avant que tout produit puisse tre retourn Extech L exp diteur est responsable des frais d exp dition de transport d assurance et d emballage ad quat afin de pr venir les dommages durant le transit Cette garantie ne s applique pas aux d fauts r sultant d une action de l utilisateur tels un mauvais usage un c blage ad quat un fonctionnement hors des sp cifications un entretien ou un d pannage inad quat ou une modification non autoris e Extech d cline pr cis ment toute garantie implicite ou garantie marchande ou d adaptation un usage particulier et ne pourra tre tenu responsable d aucun dommage direct indirect accidentel ou cons cutif La responsabilit totale d Extech se limite la r paration ou au remplacement du produit La garantie nonc e ci dessus est inclusive et aucune autre garantie qu elle soit crite ou orale n est stipul e ou sous entendue Service de calibrage et de r paration Extech offre un service de calibrage et de r paration pour toute sa gamme de produits Extech fournit galement une certification NIST pour la plupart de ses produits Contactez le Service Clients pour de plus amples informations concernant les services de calibrage disponibles pour ce produit Extec
6. beeper is sounding The flashing LED however will not cease until the readings return to a normal range Datalogger Mode The WB200 automatically records data for all four measurement types at a user programmable sampling rate programmable from 15 minutes to 60 minutes in 5 minute increments The meter s internal memory capacity is 100 records each record has four readings one for each measurement type Refer to the SETUP section of this guide for details on programming the sampling rate 1 Press and hold the MEMO memory key for 2 seconds to start datalogging The display will show the START icon as the meter begins recording The REC icon will flash on the display for the duration of the datalogging session Refer to Figure 3 below Figure 3 Datalogger display examples 2 When the meter s internal memory is full 100 records the display will show the Fc icon full content and datalogging will cease When the memory is cleared detailed below the Fc indicator switches OFF 3 To view the stored readings press and hold the RECALL key for 2 seconds The display will indicate the letter r for reading on the left side followed by a number on the right side that represents the memory location of the stored reading 1 to 100 The meter will then cycle through the readings stored at that location Use the up arrow key to navigate the memory locations 4 Press and hold the ENTER key for 2 seconds while in t
7. ce Battery Replacement When the battery icon appears empty LI on the LCD the batteries must be replaced Please remove the water tank before replacing the batteries and replace it afterward e Remove the water tank cover using the meter s side tabs and remove the water tank e The battery compartment is located at the bottom of the meter Three Philips head screws provide access Use care when removing the screws as they each include a rubber grommet for protection against moisture and should not be discarded or lost e Replace the four 4 1 5V AAA batteries observing polarity e Replace the battery cover and water tank before operating the meter Ensure that the cotton wick is immersed in the water bottle and that the meter housing is closed before operating the meter Please dispose of batteries responsibly always observe local state and federal regulations with regard to battery disposal Water Tank Refilling 1 Open the water tank cover by first gripping the meter with one hand and prying the cover off with the other pulling forward on the meter s two side tabs 2 Remove the water tank from the meter and then remove the tank s stopper 3 Refill the water tank to 80 full 4 Replace the tank s stopper place the water tank inside the meter and place the cotton wick into the water tank Note that the wick can be inserted partially into the tank before the water tank is inserted into the meter once
8. d OFF the MAX and MIN readings are cleared To view the maximum readings press the MAX MIN key once The meter will now cycle through the four 4 measurement modes presenting the highest reading encountered since power up for each Note that the Mx icon will be displayed at the bottom of the LCD To view the minimum readings press the MAX MIN key again from the MAX mode The meter will now cycle through the four 4 measurement modes again presenting the lowest reading encountered since power up for each Note that the Mn icon will be displayed To return to the normal measurement mode press the MAX MIN key again The Mx and Mn icons are switched OFF in the normal measurement mode Refer to Figure 2 below Figure 2 Maximum Mx and Minimum Mn Display Modes 4 WB200 EN V1 2 9 12 Alarm Mode The WB200 features High and Low temperature and humidity Alarms that alert the user when a reading has exceeded a programmed limit for 30 seconds The alert switches off when a reading returns to normal for 30 seconds Refer to SETUP section for details on setting alarm thresholds When alarming the LED located above the LCD flashes RED and the beeper sounds After alarming for 1 minute the beeper silences but the red LED continues to flash at a slower rate the meter display also flashes the ALM icon at the same rate as the flashing red LED Users can manually silence the beeper by pressing and holding any key for 2 seconds while the
9. e e Fan can be set to run continuously or in the economical mode where it throttles on and off e Datalogger stores 100 records each record contains 4 measurement types e Selectable datalogging sampling rate from 15 minutes to 60 minutes e Temperature and humidity high low alarms fully programmable e Dual color LED indicator for datalogging green and alarm red modes e Maximum Minimum function shows highest and lowest readings e Selectable temperature units C F e Low battery indicator Powering the Meter The WB200 can be powered using the four 4 supplied 1 5V batteries AAA or the supplied 5V power adaptor the adaptor is recommended for extended measurement sessions When the low battery icon appears replace the batteries promptly the battery compartment is located on the bottom of the meter Please refer to the Battery Replacement section of this guide for more information Mounting the Meter The meter can be placed on any surface or may be suspended by wire or string using the two mounting holes at the top of the meter one on either side of meter top If the meter is to be kept on a table top work bench or desktop surface take great care to avoid having the meter fall over on its side this may spill the contents of the water tank and may interfere with the operation of the fan Suspension is the preferred method of mounting since the meter is unlikely to fall over while suspended 2 WB200 EN V1 2 9 12
10. f the sequence to properly store the settings Editing in the SETUP Mode Each parameter is explained below and steps are provided for making and saving changes 1 Temperature Alarm Mode t ON OFF In the Temperature Alarm mode the user can set the alarms ON or OFF and set the High and Low Alarm Limit values When these limits are exceeded the meter audibly and visibly red flashing LED alerts the user Refer to the Operation section of this guide for more details on alarm alerts a Press and hold the SET key for 2 seconds to enter the set up mode The first parameter is t ON or t OFF b Use the A key to set the temperature alarms ON c With the display showing t ON press the ENTER key to access the HI or LO Alarm Limit Use the A key to select HI if necessary d Press ENTER 1 again to access the HI Limit adjustment screen The adjustment range for the HI limit is 1 0 C to 49 9 C or 33 8 F to 121 9 F e The flashing digit on the Alarm Limit adjustment screen is ready to be changed use the A key to adjust it as desired Use the gt key to select another digit for editing f When finished programming a HI Limit press ENTER to program the LO Alarm Limit in the same fashion as the HI Alarm Note that the LO limit cannot be set higher than 1 C or 1 8 F below the HI Limit g When finished press ENTER 1 to access the next parameter 6 WB200 EN V1 2 9 12 2 Relative Humidity Alarm Mode rh ON
11. h vous recommande de proc der un test de calibrage annuel afin de v rifier r guli rement les performances et la pr cision de votre appareil Appui de produit U S 877 439 8324 Intl 1 603 324 7800 Service d assistance technique l option 3 email support extech com R parations et retours l option 4 email repair extech com Sp cifications produit sujettes modifications sans pr avis www extech com Extech Instruments Corporation 9 Townsend West Nashua NH 03063 ISO 9001 Certified since 1995 10 WB200 EN V1 2 9 12 Garantia EXTECH INSTRUMENTS CORPORATION una empresa FLIR garantiza este instrumento libre de defectos en partes o mano de obra durante un a o a partir de la fecha de embarque se aplica una garantia limitada a seis meses para los cables y sensores Si fuera necesario regresar el instrumento para servicio durante o despu s del periodo de garant a llame al Departamento de Servicio a Clientes para autorizaci n Visite nuestra pagina en Internet www extech com para Informaci n de contacto Se debe otorgar un n mero de Autorizaci n de Retorno RA antes de regresar cualquier producto a Extech El remitente es responsable de los gastos de embarque flete seguro y empaque apropiado para prevenir da os en tr nsito Esta garant a no se aplica a defectos resultantes de las acciones del usuario como el mal uso alambrado equivocado operaci n fuera de las especificaciones mantenimiento o reparaci n inadec
12. he RECALL mode to delete all stored readings Dashes on the display indicate that the memory has been cleared 5 Press and hold the RECALL key again for 2 seconds to exit the RECALL mode Note that the meter will automatically exit the recall mode and enter the normal measurement mode after 30 seconds of keypad inactivity Switching the Temperature Units of Measure C F In the normal measurement mode of operation and with the air temperature display shown momentarily press the SET and RECALL buttons simultaneously to switch the unit of measure C to F or vice versa 5 WB200 EN V1 2 9 12 Setup Mode SETUP Mode Overview In the set up mode the user can customize the functionality of the meter To access the set up mode press and hold the SET key for 2 seconds Once in the set up mode use the ENTER key to step through the four 4 available parameter icons and use the up arrow key to change a setting Each parameter is explained below e ALARM MODE TEMPERATURE Displayed as t ON OFF High and Low Temp Alarms e ALARM MODE RH displayed as rh ON OFF High and Low Relative Humidity Alarms e SAMPLING RATE displays as 15 to 60 minutes Sampling interval rate for Datalogger e FAN MODE displays as ECO or CON Economical ECO Continuous CON Note that the meter switches from the set up mode to the normal operating mode after 10 seconds of keypad inactivity To complete a session be sure to proceed to the end o
13. lly disclaims any implied warranties or merchantability or fitness for a specific purpose and will not be liable for any direct indirect incidental or consequential damages Extech s total liability is limited to repair or replacement of the product The warranty set forth above is inclusive and no other warranty whether written or oral is expressed or implied Calibration and Repair Services Extech offers repair and calibration services for the products we sell Extech also provides NIST certification for most products Call the Customer Service Department for information on calibration services available for this product Extech recommends that annual calibrations be performed to verify meter performance and accuracy Support lines U S 877 439 8324 Intl 1 603 324 7800 Technical support Option 3 E mail support extech com Repair amp Returns Option 4 E mail repair extech com Product specifications subject to change without notice Visit our website www extech com Extech Instruments Corporation 9 Townsend West Nashua NH 03063 ISO 9001 Certified since 1995 Garantie EXTECH INSTRUMENTS CORPORATION une soci t FLIR garantit que cet instrument est exempt de d fectuosit ou de d faut de fabrication pendant une p riode d un ana compter de la date de livraison une garantie limit e de six mois est applicable pour les sondes et les c bles S il s av re n cessaire de retourner l instrument pour un d pannage durant ou
14. med interval sampling rate The user can select a sampling rate from 15 to 60 minutes in 5 minute increments a With the display showing the currently selected sampling rate use the A key to select the desired rate at which the datalogger will store readings b Press ENTER 41 when finished to access the next SETUP mode parameter 4 Fan Mode Economical ECO or Continuous CON The meter s fan can be set to the continuously running mode CON or for economical mode ECO where the fan runs periodically and where the user can manually press the FAN button to run the fan for 2 minutes at a time Note as mentioned earlier that the meter only updates the displayed readings when the fan is running a With ECO or CON displayed use the A key to select the desired mode b When finished press ENTER 41 to return to the normal operation mode c Setup is now complete 7 WB200 EN V1 2 9 12 Troubleshooting For unusually high humidity readings check the condition of the cotton wick immersed in the water bottle Ensure that the cotton wick is kept moist and the water bottle is 80 full Displayed Error Codes E2 Under range temperature reading measurement is outside the capability of this device E3 Over range temperature reading E4 Internal component failure return unit for service E5 Algorithm error causing relative humidity measurement inaccuracy return for service E33 Humidity measurement circuit damage return for servi
15. play The internal memory is non volatile Programmable from 15 to 60 minutes in 5 minute increments E3 appears on the LCD E2 appears on the LCD Empty battery symbol appears on the LCD LI Four 4 1 5V AAA batteries or 5V universal power adaptor included 0 94 H x 1 58 W 24 x 40 mm 2 8 top cover x 3 1 bottom cover x 7 0 H 70 8 x 77 6 x 177mm 8 0 oz 250g with batteries Copyright 2012 Extech Instruments Corporation a FLIR company All rights reserved including the right of reproduction in whole or in part in any form 9 WB200 EN V1 2 9 12 Warranty EXTECH INSTRUMENTS CORPORATION a FLIR company warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment a six month limited warranty applies to sensors and cables If it should become necessary to return the instrument for service during or beyond the warranty period contact the Customer Service Department for authorization Visit our website www extech com for contact information A Return Authorization RA number must be issued before any product is returned to Extech The sender is responsible for shipping charges freight insurance and proper packaging to prevent damage in transit This warranty does not apply to defects resulting from action of the user such as misuse improper wiring operation outside of specification improper maintenance or repair or unauthorized modification Extech specifica
16. the water tank is inserted into the meter the wick can then be fed further into the tank more easily 5 Reassemble the meter 6 Notes on Tank Refilling e The water tank is used for web bulb temperature measurements e To avoid spillage do not tilt the meter during operation e Refill the tank every 2 to 3 weeks for best results 8 WB200 EN V1 2 9 12 Specifications LCD Display LED status indicator Audible Alert Response time Temperature Units Measurement ranges Resolution Accuracy Datalogger memory Datalogging sample rate Over range indication Under range indication Low battery indication Power supply LCD Dimensions Meter Dimensions Weight 7 segment digit type for readings and messages Function icons above and below reading for units and mode status Low battery indication LI Flashes red in an Alarm condition Flashes green when a reading is logged Sounds intermittently when in an Alarm condition 120 second update rate Switchable Temperature units C F Temperature air wet bulb dew point 41 to 122 F 5 to 50 C Relative Humidity 0 0 to 99 9 0 1 C F air dew point and wet bulb temperature 0 1 Relative Humidity RH 3 10 to 90 RH 25 C 5 outside of this range Air Dew Point and Wet Bulb Temperature 1 F 0 6 C Up to 100 reading sets each set includes one measurement from each of the four measurement modes Recall readings directly on the meter s LCD dis
17. uada o modificaci n no autorizada Extech espec ficamente rechaza cualesquier garant as impl citas o factibilidad de comercializaci n o aptitud para cualquier prop sito determinado y no ser responsable por cualesquier da os directos indirectos incidentales o consecuentes La responsabilidad total de Extech est limitada a la reparaci n o reemplazo del producto La garant a precedente es inclusiva y no hay otra garant a ya sea escrita u oral expresa o impl cita Servicios de reparaci n y calibraci n Extech ofrece servicios completos de reparaci n y calibraci n para todos los productos que vendemos Extech adem s provee certificaci n NIST para la mayor a de los productos Llame al Departamento de Servicio al Cliente para solicitar informaci n de calibraci n para este producto Extech recomienda realizar calibraciones anuales para verificar el desempe o y precisi n del medidor Ayuda de producto U S 877 439 8324 Intl 1 603 324 7800 Soporte T cnico Opci n 3 e mail support extech com Reparaci n Retornos Opci n 4 e mail repair extech com Las especificaciones del producto est n sujetas a cambios sin aviso Visite nuestro sitio web www extech com Extech Instruments Corporation 9 Townsend West Nashua NH 03063 ISO 9001 Certified since 1995 11 WB200 EN V1 2 9 12
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