Onset HOBO™ U14 Series User Manual
Contents
1. an alert symbol and the temperature or RH measurement that went out of limits will flash If you require remote or secondary notification of an alarm condition you can connect a remote audio alarm and or an Automatic Dialer to the contact closure as described in Step 2 To access the Alarm feature click the Alarms button in the Launch window which opens the following dialog box Alarms ed Sensor Alarm Settings Enable sensor alarms Relative Humidity amp and set range and Set Number of Samples Max 158 022 F to raise alarm number of samples Number of out of range samples Enable Alarms displayed before alarm raised F High Alarm 74 986 1 gt 00 Hr 00 Min 00 Sec 7 Low Alarm 65 017 E 1 gt 00 Hr 00 Min 00 Sec Use sliders to set K Alarm value is set to closest a Duration before alarm raised Indicates how long alarm value supported by logger based on logging interval will be delayed based on High and Low Alarm fae threshold 2 logging interval and TARR number of samples sliders only appear if Min 3 962 F alarm is enabled Relay and Battery Alarm Settings Relay Contacts Maintain Alarm Until Choose alarm reset Set the default Sh O Host has relaunched logger option Nor pen Relay Contact state Sensor reading within limits Normally Closed Battery Alarm Enable Test the Relay alarm Tost Set storm _ Set Alarm on Low Battery Low Battery Alarm C C2. Drift Hysteresis External Sensors Battery Life CE Temperature Accuracy and Resolution 0 100 RH 20 to 50 C 4 to 122 F 2 5 from 10 to 90 RH typical to a maximum of 3 5 including hysteresis see Plot B 0 03 RH 25 C 77 F 2 minutes to 90 in airflow of 1 m sec lt 2 over 5 years typical 1 Typical For External Sensor Specifications see the sensor s user manual The batteries will last one year in typical conditions logging intervals of 1 minute with weekly offloads and average temperatures greater than 10 C or 50 F Frequent offloads and or extreme temperatures will reduce battery life At temperatures below freezing 0 C or 32 F batteries will typically require replacement every six months In these conditions the battery level bar graph should be checked regularly See Battery Level Indicators on page 8 The CE Marking identifies this product as complying with all relevant directives in the European Union EU Atcuag Retaubon OFS The maximum reading error for the internal temperature sensors is shown at right This is a worst case error In a typical logger temperature errors will be substantially lower NIST certification of temperature accuracy for some sensors is available from Onset The temperature resolution for internal sensors is also shown at right Resolution is the smallest difference between adjacent temperature steps that the logger can report The
3. J o_ 10 11 12 HOBO U14 Data Logger User Manual a Enable Sensor Alarms To enable a sensor alarm select the desired sensor in the Channel box and then select the check box for the High Alarm and or the Low Alarm Enter a value to define the alarm threshold You can enter a value in the box or use the sliders If you enter values manually the software may adjust them slightly to the nearest values supported by the logger You can also set the number of samples 30 seconds per sample that must be displayed before the alarm will be triggered b Set Number of Samples To avoid unintended activation of the relay contact set the number of samples to allow for anticipated breaches of the alarm threshold If the alarm is tripped and the number of samples is set to more than 1 the LCD will indicate Alert Delayed If the measurement is still out of range when the number of samples is reached the relay contact will be activated Note about Avoiding Unintended Relay Activation In some applications the environment in which the logger is launched is in immediate violation of the desired alarm limit and will cause an unintended opening or closing of the contact relay For example setting an upper alarm limit of 32 F for a freezer application and then launching the logger in a room at room temperature will cause an immediate alarm trigger In this situation enable a Delayed Launch or select a number of samples that will result in a long enou
4. alert if the reading falls outside of the configured range You must readout the logger and then relaunch it using HOBOware to resume logging HOBO U14 Data Logger User Manual LCD Indicators Memory Display States MEM LEFT Hash Segments marks z Launched Number of segments depends Logging on memory remaining Highest segment flashes Launch Flashing All On Flashing Delaying Memory Full Flashing All Off until data is downloaded External Sensor Removed If an external sensor is disconnected from the logger the logger will record values of LULL ALE ALE LE TAT A AS AT 888 88 C 888 88 F for temperature and 0 RH No External Sensor If the U14 002 logger is launched and no external sensor has been connected the display will show dashes and will log false values 888 88 C 888 88 F for E C temperature and 888 9 for RH az gt lt lt E 7 o i lt RH E a Temp Only Sensor Installed If a temperature only sensor is connected no RH value will be displayed i CAH No RH Sensor Installed but Channel A display of RH indicates that the humidity channel is active in the software and Active should be turned off to maximize memory space Otherwise the unit will record a 888 9 RH value at every logging interval i c J H i MEM LE BATT LEVEL HOBO U14 Data Logger User Manual Maintenance Replacing Batteries The HOBO U14 requires
5. logged value due to limits in display conversions The values seen in HOBOware and the U Shuttle are the actual recorded values and the most accurate The displayed temperature on the LCD screen may be 0 3 C 0 6 F different than the logged value Fahrenheit values of 200 and higher are displayed as three digits without a decimal e g 205 F however the full resolution value will be recorded in the logger memory e g 205 4 Relative Humidity RH Reading This displays the current RH on the LCD The internal sensor has a measurement range of 0 to 100 Alarm Icon This displays alerts as configured within HOBOware Specifically ALERT indicator signals when temperature or relative humidity limits have been exceeded ALERT DELAYED if you have delay enabled and an alarm is tripped Triangle with exclamation mark immediately after delay if enabled indicates that the relay is in an alarm state Battery Level Remaining battery level is indicated by a five segment bar The number of segments decreases as battery level decreases Batteries should be replaced when the BATT LEVEL bar graph is down to one segment which indicates 20 battery life or less Remaining Memory Remaining memory is indicated by a five segment bar The number of segments decreases as remaining memory decreases NOTE If the memory is full the logger will no longer log The logger will continue to monitor conditions however and will trigger an alert if the reading f
6. points Reset options Selectable Contact Relay Contact rating Contact resistance Range Communications Method Speed Time accuracy Power Dimensions Weight Internal 12 Bit Temperature Sensor Measurement range Accuracy Resolution Response time Temperature Accuracy Drift 33 x 50 8 mm 1 3 x 2 inches e Temperature and relative humidity simultaneously e C or F selectable within host software e Memory remaining and battery level e Flashing ALERT for out of limits conditions selectable within host software which stops flashing on offload or return to normal range High and low set points for both temperature and relative humidity with selectable delays Alert conditions reset on offload or return to normal range Normally Closed or Normally Open 48VDC 1A max Less than 1 Ohm 0 Low Battery Range Offloads data to PC or U Shuttle via USB cable Readout full logger 64K in less than 30 seconds 1 minute per month at 20 C 68 F 3 AAA Alkaline batteries user replaceable 125 x 92 x 31 mm 4 9 x 3 6 x 1 2 in 170 g 6 0 oz with batteries 20 C to 50 C 4 F to 122 F 0 21 C from 0 to 50 C 0 38 F from 32 to 122 F 0 13 C 0 24 F typical see Plot A 0 02 C 25 C 0 04 F 77 F see Plot A 15 minutes to 90 in airflow of 1 m sec Negligible Internal 12 Bit Relative Humidity Sensor User replaceable Measurement range Accuracy Resolution Response time Accuracy
7. HOBO U14 Data Logger User Manual The U family of data loggers offers reliability and convenient monitoring for applications that require higher accuracy better resolution more memory or USB connectivity for fast data piza readout to your computer noes The HOBO U14 logger records and displays temperature and humidity conditions in manufacturing processing and storage environments where reliable monitoring and documentation of specific temp RH conditions are critical Bhat Bhs BREE The HOBO U14 is available in two versions U14 001 with internal sensors and the U14 002 with external sensors The HOBO U14 requires HOBOware Pro or HOBOware Lite Version 2 5 or later er Features H e 64k non volatile memory that retains data even if the batteries fail Soe e Memory indicator on LCD shows how much data storage space remains U14 Data Logger Pe a Model U14 001 shown Battery Level indicator shows remaining useful battery life Operates for one year on three alkaline AAA batteries in typical conditions Built in relay for use with Remote Alarm or Automatic Dialer Direct USB interface for launching and data readout using HOBOware Sample logging interval can be set from one second to 18 hours Supports Onset s Data Assistants available with HOBOware software Can be used with the Onset U Shuttle U DT 1 Internal sensor model U14 001 has internal temperature and relative humidity sensors with 12 bit resolution Extern
8. LER RBYW Jumper or connection to U14 or H14 HOBO U14 with Onset s ARA Remote Alarm and AVD 45 Automatic Dialer NOTE The polarity must be as shown If you have an External Sensor model U14 002 Plug the external sensor into the RJ 12 jack on the side of the HOBO U14 Hold the black rubber flap down against the connector so it slides into the port NOTE The sensor readings will not be displayed until the logger is launched immediate or delayed or the status is checked using either HOBOware or the U Shuttle The readings will not be logged until you launch the logger later in this procedure Connect the U14 to a computer running HOBOware Plug the large end of the USB cable supplied with HOBOware into a USB port on the computer and plug the small end of the cable into the side of the HOBO U14 If the logger has never been connected to the computer before it may take a few seconds for the new hardware to be detected Windows only Start HOBOware and open the Launch window From the Device menu select Launch Configure Launch parameters including a Launch description logging interval and start time Click Help in HOBOware for details on Launch parameters Configure Alarms optional Use the Alarm feature to flash a warning on the LCD if the monitored temperature or relative humidity falls outside user selectable limits If the temperature or RH measured by the logger falls outside the selected high or low limit the word Alert
9. al sensor model U14 002 supports the 12 bit Temperature 10 bit RH Sensor S THB MOOx and the 12 bit Temperature Sensor S TMB MOOx Accessories Outdoor Case CASE 4x Remote Alarm ARA Automatic Dialer AVD 45 Location Requirements The HOBO U14 is designed for a non condensing non corrosive environment Keep the logger dry Some external sensors can be placed in harsher environments than the logger See the external sensor specifications in the sensor user manual Specifications Environmental Operating temperature range 20 C to 50 C 4 F to 122 F O to 100 RH non condensing Operating relative humidity range 0 to 95 non condensing non corrosive environment Logger Capabilities Capacity Temp and RH 21 500 measurements Temp Only 43 000 measurements Software selectable sampling intervals 1 second up to 18 hours recording times up to 1 year Start Programmable start time date Recording modes Stop when full Launch Modes Immediate Delayed Memory Nonvolatile EEPROM memory retains data even if batteries fail 2010 2012 Onset Computer Corporation All rights reserved Onset HOBO and HOBOware are trademarks or registered trademarks of Onset Computer Corporation for its data logger products and configuration interface software All other trademarks are the property of their respective companies 13416 C MAN U14 00x HOBO U14 Data Logger User Manual Specifications LCD Size Elements Alarms Set
10. alls outside of the configured range You must readout the logger and then relaunch it using HOBOware to resume logging LCD Indicators If the temperature or RH measured by the logger falls outside the selected high or low Alarms limit the word Alert an alert symbol and the temperature or RH measurement that went out of limits will flash If you set the number of samples to greater than 1 and the measured value is outside the limits ALERT DELAYED will flash until either the number of samples is reached ALERT with a triangle symbol is displayed or the alert condition no longer exists Battery Level BATT LEVEL bar graph down to one segment indicates 20 battery life or less Batteries Condensation 100 RH should be replaced a eat Ei B 100 RH is displayed if a temperature RH sensor is connected and is covered with condensation The sensor will not provide accurate readings until it has dried out Unread Data If the logger has been stopped either manually or because the memory is full the MEM LEFT hash marks will blink indicating there is unread data Memory Remaining memory is indicated by a five segment bar Segments decrease as remaining memory decreases The MEM LEFT bar graph will decrease as the memory is filled When the memory has been completely filled the MEM LEFT display will flash and all DFE E BB segments will be off The HOBO U14 will continue to monitor conditions however and will trigger an
11. ardous classified location where _ Fax 508 759 9100 ignitable concentrations of gas and or dust exist Hours of Operation 8 AM to 5 PM ET Monday through Friday Email loggerhelp onsetcomp com 10
12. atic Dialer to the HOBO U14 d LOGGER Loosen the two screws on the relay terminal Remove the battery door if necessary Feed the wires through the small hole at the bottom of the case Relay Terminal a prt ere E a i d Prunfencrcatael Akane Battery i Fee diranne j F Feed the wires through the holes in the relay terminal Tighten the screws on the terminal Replace the battery compartment cover Connect the wires to the Remote Alarm or Automatic Dialer using the following wiring diagrams as guides All three drawings show the logger in the Normally Closed state with the Alert inactive The HOBO U14 s contact closure is initially set at the factory to be Normally Closed but you can change this in HOBOware to accommodate Normally Open devices see the ARA User s Manual If the alert output is connected to a remote alarm configured for Normally Closed inputs you can avoid false alarms when the logger is disconnected by making a temporary connection between the wires going to the remote alarm Be sure to disconnect this temporary connection when the logger is reconnected to the remote alarm wires AUTO DIALER RB YW HOBO U14 with Onset s ARA Remote Alarm HOBO U14 with Onset s AVD 45 Automatic Dialer NOTE The polarity of the connections to the logger does not matter NOTE The polarity of the connections to the logger does not matter HOBO U14 Data Logger User Manual LOGGER AVD 45 AUTO DIA
13. e When you click the Test Set Alarm button it changes to the Test Clear Alarm button Click the Test Clear Alarm button to deactivate the alarm NOTE When testing the alarm with the AVD 45 Automatic Dialer Onset recommends that you maintain the alarm for up to 7 minutes to ensure that the AVD 45 Automatic Dialer completes its dial out sequence see AVD 45 Automatic Dialer User s Manual for details Click the Launch button in HOBOware to launch the HOBO U14 NOTE If you remove the external sensor on the U14 002 model after logging starts you will need to relaunch the logger if you reconnect a sensor Disconnect the HOBO U14 from the computer by unplugging the USB cable Transport the logger to deployment site Mount the logger The HOBO U14 is designed for a non condensing non corrosive environment Make sure the logger is installed in a location where it will remain dry Some of the external sensors can be placed in harsher environments see the sensor manual for specifications a Mark the wall for the placement of the two mounting screws 2 5 cm 1 inch apart vertically b Screw in mounting screws leaving a gap between the wall and the head of the screw of about 0 5 cm 3 16 in c Attach logger by aligning it with the screws and then push in and down to lock in place If you have an External Sensor model U14 002 mount the External Sensors see the sensor user manual 13 HOBO U14 Data Logger User Manual In some ap
14. gh delay to allow time to transport mount and stabilize the logger in the desired location Other causes of invalid alarms would be freezer doors being opened frequently or defrost cycles To avoid these set the number of samples to allow for small periods of time where the value is outside the range but where the alarm will not be tripped unless the value is outside the range for a significant number of samples c Low Battery Alarm Select the Battery Alarm checkbox to enable the Battery Alarm which will trigger if the battery drops to 0 d Alarm Reset Select whether the alarm will be deactivated when the Host has relaunched the logger or when the sensor reading has returned within limits e Set Relay Contact If you are using an external device that will be triggered by an alarm such as a Remote Alarm or Automatic Dialer set the desired default relay contact state to either Normally Closed relay opens during an alarm condition which is the default or Normally Open relay closes during an alarm condition The ARA Remote Alarm can be set to Normally Closed or Normally Open see remote device User s Manuals for more details NOTE The AVD 45 Automatic Dialer requires the logger s contacts to be set to Normally Closed f Test the Relay Alarm Use the Test Set Alarm button to test the relay alarm function When you click the Test Set Alarm button the logger will activate the alarm and change the condition of the contact closur
15. logger will typically experience little or no accuracy drift unless the electronic components or temperature sensor are damaged mechanically or by exposure to environmental factors beyond the specifications such as high heat and humidity 5 2 Accuracy Resolution C fo iTi 20 0 20 40 Temperature C Plot A Internal Temperature Sensor Accuracy and Resolution HOBO U14 Data Logger User Manual Internal Relative Humidity Accuracy 5 e Temperature compensated g 4 e Do not expose the internal RH sensor to fog mist or other condensing E conditions 3 a e The logger s relative humidity accuracy for the internal model is shown in the 2 plot at right 21 g L 0 20 40 60 80 100 Relative Humidity Plot B Internal RH Sensor Accurac Components Front Back onset E E E Otee E E TEI m A Mounting Holes Use coe aaa mounting screws 2 5 cm ee The External Sensor 1 inch apart to mount e eaan Port Model the U14 to a wall for details HOBO data logger or ode U14 002 Only Connect USB Port gt supported Use an Onset Seis Smart Sensor ee supplied USB external input hare emperature relative humidity E f interface cable ee al to connect the Sl HOBO U14 toa computer Battery Compartment The HOBO U14 requires three AAA batteries Onset Computer Corporation strongly recommends the use of fresh alkaline batteries Batteries should be replaced when the BATT LEVEL bar g
16. plications such as a refrigerator freezer clean room it may be more convenient to permanently mount an external sensor at the site Be sure to place the remote sensor in a location that is representative of the target measurement location and allows free flow of air beware of any drafts caused by vents doors etc If you permanently mount the sensor and later have to disconnect it from the logger for readout select Delayed Launch when you relaunch the logger to allow time to reconnect the sensor before the actual launch time Read out the HOBO U14 as described in the next section When the memory is full or anytime you want to view the data read out the HOBO U14 using HOBOware Reading Out the HOBO U14 NOTE If you are using the U Shuttle to read out the logger see the U Shuttle User Manual for specific instructions To offload data from the HOBO U14 T 2 3 4 5 10 Optional Disconnect the logger from the external sensor Remote Alarm or Automatic Dialer Transport the logger to the location of the computer Connect the logger to the computer Open HOBOware software on the computer Optional If you have more than one logger connected to the computer connect to the HOBO U14 by selecting Device gt Select and then select the HOBO U14 from the Select Device window From the main menu click the Readout icon or select Device gt Readout from the main menu If the logger is currently logging you can choose to con
17. raph is down to one segment Circuit Board which indicates 20 battery life or less Replaceable Internal RH Sensor Model U14 001 Only The internal relative humidity sensor in the U14 001 may require replacement if it is damaged mechanically or by exposure to condensation or chemicals The replacement sensor part number HUM RHPCB 3 or RHPCB 3A is available from Onset or an Onset Authorized Dealer See the last page for more details Relay Terminal for Remote Alarm or Automatic Dialer The HOBO U14 is compatible with Onset s Remote Alarm part number ARA and Automatic Dialer part number AVD 45 available from Onset DURACELL ape P Computer or an Onset Authorized Dealer See the next section for more details HOBO U14 Data Logger User Manual Setting Up the HOBO U14 Follow these instructions for setting up and launching the HOBO U14 logger 1 Insert the three AAA batteries Remove the battery door on the back of the unit and insert the batteries in the proper direction If you are using a Remote Alarm and or Automatic Dialer connect it to the HOBO U14 now Otherwise replace the battery cover and go to step 3 The HOBO U14 is compatible with Onset s Remote Alarm part number ARA and Automatic Dialer part number AVD 45 available from Onset Computer or an Onset Authorized Dealer See the product s user manual for complete details The interconnect wire range is 22AWG to 14AWG To connect a Remote Alarm or Autom
18. three AAA batteries Onset Computer Corporation strongly recommends the use of fresh alkaline batteries Batteries should be replaced when the BATT LEVEL bar graph is down to one segment which indicates 20 battery life or less To ensure data integrity use HOBOware to read out the logger and stop logging before changing batteries Replacing the Internal RH Sensor Model U14 001 Only The internal relative humidity sensor in the U14 001 logger may require replacement if it is damaged mechanically or by exposure to condensation or chemicals The replacement sensor Part No HUM RHPCB 3A is available from Onset or an Onset Authorized Dealer for U14 001 loggers with serial numbers above 9847173 Note U14 001 loggers with a serial number below 9847173 require a different replacement sensor Part No HUM RHPCB 3 You can replace the internal RH sensor yourself or have it replaced as part of a U14 001 tune up calibration service available from Onset Contact Onset for more details Uncertified Use of Onset Products Unless specifically noted Onset products are not Onset Computer Corporation intended or certified for the following use www onsetcomp com a fail safe mechanism for anticipating life threatening conditions such as flash floods Mailing Address P O Box 3450 medical or life support aerospace or nuclear Pocasset MA 02559 3450 installation applications Phone 1 800 LOGGERS 1 800 564 4377 or 508 759 9500 any haz
19. tinue logging while offloading or stop logging The readout will begin The status bar in the Readout Logger window will indicate the percentage complete When prompted enter a name for the file and click Save The Plot Setup Dialog appears Click Plot to view the graph of the data See the HOBOware User Manual or On line Help for more details on graphing time selection in plots and exporting data files To redeploy the logger re launch it with a delayed start allowing enough time to return the logger to the site reconnect external devices if any External Sensors Remote Alarm Automatic Dialer The LCD Screen After installing the batteries the LCD will display all segments for five seconds Thereafter the LCD will display temperature and RH information The values on the LCD screen refresh every 30 seconds The following is an overview of the LCD screen elements For more details on individual elements see LCD Indicators for more details Temperature Reading Temperature Reading Fahrenheit or Celsius Remaining Memory Alarm Icon when tripped Relative Humidity Reading HOBO U14 Data Logger User Manual Temperature Reading This displays the current temperature Fahrenheit or Celsius as selected in HOBOware on the LCD Internal sensor has temperature measurement range of 20 C to 50 C 4 F to 122 F Notes There may be slight variations between the displayed temperature value and the
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