HOBO Temp/RH 3.5% Data Logger (UX100
Contents
1. Mounting magnets Mounting magnets www onsetcomp com A WARNING Do not cut open incinerate heat above 85 C 185 F or recharge the lithium battery The battery may explode if the logger is exposed to extreme heat or conditions that could damage or destroy the battery case Do not dispose of the logger or battery in fire Do not expose the contents of the battery to water Dispose of the battery according to local regulations for lithium batteries HOBOware provides the option of recording the current battery voltage at each logging interval which is disabled by default Recording battery life at each logging interval takes up memory and therefore reduces logging duration It is recommended you only record battery voltage for diagnostic purposes 0 a S eT 1 800 LOGGERS 564 4377 508 759 9500 www onsetcomp com loggerhelp onsetcomp com HOBO Temp RH 3 5 Data Logger UX100 003 Manual 2013 Onset Computer Corporation All rights reserved Onset HOBO and HOBOware are trademarks or registered trademarks of Onset Computer Corporation All other trademarks are the property of their respective companies 16209 E2. The logger contains a 3V CR2032 battery HRB TEMP Expected battery life varies based on the ambient temperature where the logger is deployed the logging or sampling interval frequency of offloading to the computer number of channels that are active if burst or statistics logging modes are active and battery performance A new battery typically lasts 1 year with logging intervals greater than 1 minute Deployments in extremely cold or hot temperatures a logging interval faster than 1 minute or a sampling interval faster than 15 seconds can impact battery life Estimates are not guaranteed due to uncertainties in initial battery conditions and operating environment The logger can also be powered by the USB cable when the remaining battery voltage is too low for it to continue logging Connect the logger to the computer click the Readout button on the toolbar and save the data as prompted Replace the battery before launching the logger again To replace the battery 1 Open the battery door on the top of the logger 2 Use the tab on the built in battery removal tool inside the compartment to remove the battery 3 Place the circular battery removal tool around the negative side of the new battery with the tab up Insert the new battery with the positive side facing out The LCD should display HOBO briefly after correctly installing the battery MA Tab on battery removal tool CR2032 battery positive side facing out
3. V Maximum V Minimum V Standard Deviation requires Average Sampling every 30 seconds v The sampling interval must be less than and a factor of the logging interva Logging Interval 1 minute Logging Duration 10 7 days Help Cancel OK 3 Set the sampling interval which must be less than and a factor of the logging interval Choose either a preset sampling interval or select Custom and enter your own sampling interval Keep in mind that the more frequent the sampling rate the greater the impact on battery life 4 Click OK when done This will return you to the Launch Logger window Click the Edit button next to Logging Mode in the Launch Logger window to make additional changes Once logging begins click the Alarm Stats button on the logger to cycle through the current maximum minimum average and standard deviation data on the LCD screen You can plot the statistics series once you read out the logger Reading Out the Logger There are two options for reading out the logger connect it to the computer with a USB cable and read out it with HOBOware or connect it to a HOBO U Shuttle U DT 1 firmware version 1 18m030 or higher and then offload the data files from the U Shuttle to HOBOware Refer to the HOBOware Help for more details Recording Internal Logger Events The logger records the following internal events to track logger operation and status You can plot these events in HOBOware after reading out the l
4. F see Plot A 0 024 C at 25 C 0 04 F at 77 F see Plot A 4 minutes in air moving 1 m s 2 2 mph lt 0 1 C 0 18 F per year 15 to 95 3 5 from 25 to 85 over the range of 15 to 45 C 59 to 113 F including hysteresis 5 from 25 to 95 over the range of 5 to 55 C 41 to 131 F including hysteresis see Plot B 0 07 at 25 C 77 F and 30 RH 43 seconds to 90 in airflow of 1 m s 2 2 mph lt 1 per year typical Logging 20 to 70 C 4 to 158 F 0 to 95 RH non condensing Launch Readout 0 to 50 C 32 to 122 F per USB specification 1 second to 18 hours 12 minutes 15 seconds Normal burst or statistics Wrap when full or stop when full Immediate push button date amp time or next interval When memory full push button or date amp time Push button 1 minute per month at 25 C 77 F see Plot C 1 year typical with logging rate of 1 minute and sampling interval of 15 seconds or greater One 3V CR2032 lithium battery 128 KB 84 650 measurements maximum USB 2 0 interface 20 seconds LCD is visible from 0 to 50 C 32 to 122 F the LCD may react slowly or go blank in temperatures outside this range 3 66 x 8 48 x 1 52 cm 1 44 x 3 34 x 0 6 in 30 g 1 06 oz IP50 The CE Marking identifies this product as complying with all relevant directives in the European Union EU Specifications continued HOBO Temp RH 3 5 Data Logger UX100 003 Manual
5. the low level value Type in the value or drag the blue lower slider 1 800 LOGGERS HOBO Temp RH 3 5 Data Logger UX100 003 Manual Burst Logging While any of these condition s are met Sensor Hee Ge ie Relative Humidity 4 Max 158 000 F v High Level 85 000 v Low Level 32 000 Limit value s are set to closest value supported by logger Min 4 000 F Log data at the burst logging interval 10 seconds v The burst logging interval must be less than the logging interval Logging Interval 5 minutes Logging Duration 5 0 days minimum 151 3 days maimum Cancel Repeat steps 2 through 4 for the other sensor if desired Set the burst logging interval which must be less than the logging interval Select either a preset burst logging interval or select Custom and enter your own interval Keep in mind that the more frequent the burst logging rate the greater the impact on battery life and the shorter the logging duration 7 Click OK when done This will return you to the Launch Logger window Click the Edit button next to Logging Mode in the Launch Logger window to make additional changes Notes e Once the logger is launched the high and low burst logging levels are only checked when the logger s LCD screen refreshes once every 15 seconds Therefore if you set the logging interval to less than 15 seconds and the sensor reading falls outside the levels the burst logging wi
6. you also choose Push Button to start logging then you will not be able to stop logging until 30 seconds after logging begins e Specific Stop Time Logging will end at a date and time you specify Note that if you also configure the logger for a Push Button stop and to Resume logging on next button push then the logger will stop logging at the date you select regardless of how many times you stop and restart the logger with the Start Stop button 9 Choose whether to keep the LCD on or off By default the LCD will always remain on while logging If you select the Turn LCD off checkbox the LCD will not show the current readings status or other information while the logger is logging You will however be able to temporarily turn the LCD screen on by pressing the Start Stop button for 1 second if you select this option 10 Click the Start button to launch the logger Disconnect the logger from the computer and deploy it using the mounting materials see Mounting the Logger After logging begins you can read out the logger at any time see Reading Out the Logger for details Setting up Alarms You can set an alarm to trip on the logger when a sensor reading rises above or falls below a specified value To set an alarm 1 800 LOGGERS HOBO Temp RH 3 5 Data Logger UX100 003 Manual Click the Alarms button from the Launch Logger window If the Alarms button is disabled make sure the Logging Mode is not set to Bur
7. HOBO Temp RH 3 5 Data Logger UX100 003 Manual The HOBO Temp RH data logger records temperature and relative humidity within 3 5 I HOBO temp RH logger Specifications Temperature Sensor Range Accuracy HOBO Temp RH 3 5 Data Logger Resolution Response Time UX100 003 Drift RH Sensor Included Items Range e Command strip e Double sided tape Accuracy e Hook amp loop strap Required Items Cao e HOBOware 3 4 or later e USB cable included with software Response Time Drift Logger Logger Operating Range Logging Rate Logging Modes Memory Modes Start Modes Stop Modes Restart Mode Time Accuracy Battery Life Battery Type Memory Download Type Full Memory Download Time LCD Size Weight Environmental Rating CE 16209 E accuracy in indoor environments with its integrated sensors Using HOBOware you can easily configure the logger alarm to trip for specific high or low sensor readings Or you can set up burst logging in which the logger records data at a different interval during certain conditions The logger can also calculate minimum maximum average and standard deviation statistics This compact data logger has a built in LCD screen to monitor the current temperature relative humidity logging status battery use and memory consumption in between readouts 20 to 70 C 4 to 158 F 0 21 C from 0 to 50 C 0 38 F from 32 to 122
8. Not Specified 1 ewe Accuracy eResolution N on 0 5 Accuracy Resolution C 0 25 Temperature C Plot A Temperature C Accuracy and Resolution Logger Components and Operation Battery Door Alarm Stats Button Start Stop Button Temperature Sensor Mounting Loop LCD Screen USB Port RH Sensor behind louvered door Start Stop Button Press this button for 3 seconds to start or stop logging data or to resume logging This requires configuring the logger in HOBOware with a push button start or stop and with Resume logging on next button push selected see Setting up the Logger You can also press this button for 1 second to record an internal event see Recording Internal Logger Events or to turn the LCD screen on if the option to turn off the LCD has been enabled see Setting up the Logger Battery Door Open the battery door on the top of the logger to access the logger battery see Battery Information Alarm Stats Button Use this button to clear a tripped alarm see Setting up Alarms or to switch between statistics alarm readings and the current sensor readings Mounting Loops Use the two mounting loops to mount the logger with the hook and loop strap see Mounting the Logger Temperature Sensor This sensor is located at the far right side of the logger slightly behind the louvered door in the logger case RH Sensor This sensor is located behind the l
9. always be recorded at the regular logging interval set in the previous step This is the default setting e Burst In Burst mode logging will occur at a different interval when a specified condition is met See Burst Logging for more information e Statistics In Statistics mode maximum minimum average and standard deviation statistics are calculated for all enabled sensors during logging sampling at an interval you specify See Statistics for more information 7 Choose when to start logging e Now Logging begins immediately e At Interval Logging will begin at the next even interval as determined by the selected logging interval e On Date Time Logging will begin at a date and time you specify e Push Button Logging will begin once you press the Start Stop logging button for 3 seconds 8 Choose when to stop logging e When Memory Fills Logging will end once the logger memory is full e Never Wrapping The logger will continue recording data indefinitely with newest data overwriting the oldest This option is not available if Burst is selected for the Logging Mode e Push Button Logging will end once you press the Start Stop logging button for 3 seconds If you select Push Button you also have the option to select Resume logging on next button push Select this if you want to be able to start and stop logging at any time during the deployment by pushing the Start Stop button on the logger Note that if
10. d data every 5 minutes as long as the temperature remains between 85 F and 32 F Once the temperature reaches 90 F for example the logger will switch to the faster logging rate and record data every 10 seconds until the temperature falls back below the high level or 85 F in this case At that time logging then resumes every 5 minutes at the normal logging interval Similarly if the temperature falls to 30 F for example then the logger would switch to burst logging mode again and record data every 10 seconds Once the temperature rises back to 32 F the logger will then return to normal mode logging every 5 minutes To set up burst logging 1 Select Burst for Logging Mode in the Launch Logger window If Burst has already been configured for this logger click the Edit button in the Launch Logger window Note that you cannot set up alarms with burst logging You also cannot select the Stop Logging option Never wrapping if burst logging is configured 2 Inthe Burst Logging window select a sensor In the example at right the temperature sensor was selected 3 Select the High Level checkbox if you want to set up a condition in which burst logging will occur when the sensor reading rises above the high level value Type in the value or drag the red upper slider see example at right 4 Select the Low Level checkbox if you want to set up a condition in which burst logging will occur when the sensor reading falls below
11. er memory is almost full only one segment in the memory bar is empty MEMORY TONN The logger has been configured to never stop logging wrapping The logger will continue recording data indefinitely with newest data overwriting the oldest data When first launched all five segments in the memory bar will be empty MEMORY pessss www onsetcomp com HOBO Temp RH 3 5 Data Logger UX100 003 Manual LCD Symbol Description a logging interval less than 15 seconds the data will be In this example the memory is full all five recorded at the faster interval but the sensor readings segments are filled in and new data is now will only be updated on the screen every 15 seconds overwriting the oldest data This will continue until the logger is stopped or the battery runs out LOGGING The logger is currently logging A sensor reading is above or below the high or low alarm that you configured Press and release the Alarm Stats button until the alm symbol described below is displayed on the screen This lA s symbol at left will clear depending on how alarms amp e When the logger has stopped logging the LCD screen will remain on until the logger is offloaded to a computer or HOBO U Shuttle unless launched with the Turn LCD off option Once the logger has been offloaded and disconnected from the computer the LCD will turn off automatically after 2 hours The LCD will turn back on the next time the logger
12. er the previous 5 minute period and log the resulting values When reading out the logger this would result in 10 data series not including any derived series such as dew point two sensor series with temperature and RH data logged every 5 minutes plus eight maximum minimum average and standard deviation series four for temperature and four for RH with values calculated and logged every 5 minutes based on the 30 second sampling To set up statistics 1 Select Statistics for Logging Mode in the Launch Logger window If Statistics has already been configured for this logger click the Edit button in the Launch Logger window 2 Click the Maximum Minimum Average and Standard Deviation checkboxes for each of the statistics you want to calculate during logging Note that Average is automatically enabled when selecting Standard Deviation Important Statistics apply to all enabled sensors every selected statistic will be calculated for all sensors except battery voltage For example if both the temperature and RH sensors have been selected in the Launch Logger window and you select Average then the average will be calculated for both temperature and RH In addition the more statistics you record the shorter the logger duration and the more memory is required 1 800 LOGGERS HOBO Temp RH 3 5 Data Logger UX100 003 Manual Statistics A How does Statistics differ from Filters For each enabled sensor log the
13. he logger s LCD screen refreshes every 15 seconds e The actual values for the high and low alarm limits are set to the closest value supported by the logger For example the closest value to 85 F that the UX100 series logger can record is 84 990 F and the closest value to 32 F is 32 043 F In addition alarms can trip or clear when the sensor reading is within the logger specifications of 0 02 C resolution This means the value that triggers the alarm may differ slightly than the value entered For example if the High Alarm is set to 75 999 F the alarm can trip when the sensor reading is 75 994 F which is within the 0 02 C resolution e When you read out the logger high and low alarm levels will be displayed on the plot along with Chan lt gt Alarm Tripped and Chan lt gt Alarm Cleared events showing when the sensor alarm tripped and cleared The Chan lt gt Alarm Cleared event contains the value that was furthest out of range for the sensor before the alarm cleared see the Points table for the actual value Burst Logging Burst logging is a logging mode that allows you to set up more frequent logging when a specified condition is met For example let s say the logger is recording data at a 5 minute logging interval and burst logging is configured to log every 10 seconds when the temperature goes above 85 F the high level or falls below 32 F the low level This means the logger will recor
14. ired Note that both sensors are required to calculate dew point which is an additional data series available for plotting after reading out the logger value if applicable This is the sensor reading that tripped the alarm Press the Alarm Stats button to view this reading alm Press the Alarm Stats button again to cycle Launch Logger through any statistics defined above and n HOBO UX100 003 Temp RH ultimately back to the current sensor reading x E ie Serial Number 10243721 This is an example of a temperature reading seal Decenea ee als be Temperature units are determined by the settings Battery Level ELS 100 T T n in HOBOware To switch between Celsius and Sensors Fahrenheit change the Display Preferences in Configure Sensors to Log i Temperature lt Enter label here gt a Alarms HOBOware before launching the logger T Taa per esis e v 2 Relative Humidity Depends on Temp Channel 1 lt Enter label here gt Bathe as N ii This is an example of an RH reading 3 7 fi P Deployment The logger has been configured to start logging on O o nor m a particular date time The display will count down ERY e448 m s in days hours minutes and seconds until logging Logging Duration 2 5 days begins In this example 5 minutes and 38 seconds Start Logging Now Ti 10 19 36 AM remain until logging will begin Stop Logging When memory fills Never wrapping The launch settings are being l
15. is connected to the computer were configured in HOBOware If the alarm was configured to clear when the logger is relaunched Setting up the Logger this symbol will remain on the LCD Otherwise it will clear when the sensor reading is back within Use HOBOware to set up the logger including setting alarms the alarm limits or by pressing the Alarm Stats selecting the options to start and stop logging and choosing a button for 3 seconds logging mode An alarm is ready to be cleared This will only appear i Cleared with button press wascelected 1 Connect the logger and open the Launch Logger window CLEAR in the HOBOware alarm settings Press the To connect the logger to a computer use the USB cable Alarm Stats button for 3 seconds to clear the provided Click the Launch icon on the HOBOware toolbar alarm or select Launch from the Device menu These symbols show the maximum minimum max average and standard deviation values most Important USB 2 0 specifications do not guarantee z recently calculated for the logger if the logging operation outside the range of 0 C 32 F to 50 C 122 F min mode has been set to Statistics in HOBOware avg Press the Alarm Stats button for 1 second to cycle 2 Select the sensors to log in this deployment Choose through each of the available statistics and then Temperature or Temperature and RH Type a label for the sdo back to the current sensor reading or to the alarm sensor s if des
16. ll not begin until the next 15 second refresh cycle e If high and or low levels have been configured for more than one sensor then burst logging will begin when any high or low condition goes out of range Burst logging will not end until all conditions on all sensors are back within normal range e The actual values for the burst logging levels are set to the closest value supported by the logger For example the closest value to 85 F that the logger can record is 84 990 F and the closest value to 32 F is 32 043 F e Burst logging mode can begin or end when the sensor reading is within the logger specifications of 0 02 C resolution This means the value that triggers burst logging may differ slightly than the value entered For example if the High Level for a temperature alarm is set to 75 999 F burst logging can start when the sensor reading is 75 994 F which is within the 0 02 C resolution e Once the high or low condition clears the logging interval time will be calculated using the last recorded data point in burst logging mode not the last data point recorded in normal mode For example let s assume the logger has a 10 minute logging interval and logged a data point at 9 05 Then the high level was surpassed www onsetcomp com and burst logging began at 9 06 Burst logging then continued until 9 12 when the sensor reading fell back below the high level Now back in normal mode the next logging interval
17. ng the Logger The logger is designed for indoor use and can be permanently damaged by corrosion if it gets wet Protect it from condensation If the message FAIL CLK appears on the LCD screen there was a failure with the internal logger clock possibly due to condensation Remove the battery immediately and dry the circuit board Note Static electricity may cause the logger to stop logging The logger has been tested to 8 KV but avoid electrostatic discharge by grounding yourself to protect the logger For more information search for static discharge in the FAQ section on onsetcomp com Replacing the RH Sensor The internal RH sensor may require replacement if it is damaged mechanically or by exposure to condensation or chemicals The replacement sensor is available from Onset HUM UPS 500 To replace the sensor 1 Use a screwdriver to pop out the louvered door in the logger case RH Sensor x N a ln 2 Use needle nose pliers to remove the RH sensor from the board inside the logger case and discard it 3 Insert the new sensor so that the pins are in the two holes on the board shown here enlarged and without the logger case for illustrative purposes 1 800 LOGGERS HOBO Temp RH 3 5 Data Logger UX100 003 Manual RH sensor with two she pins inserted in board 4 Snap the louvered door back into place in the logger 5 Check logger status in HOBOware to verify the RH reading Battery Information
18. oaded onto the ee 1 afg logger from HOBOware Do not disconnect the USB cable during this process v from start Options Turn LCD off An error occurred while loading the launch Heip Siap launch window net ume um Gaacai Z _ configurations onto the logger from HOBOware r MARE SUNAT IEU E EANES CONNER ed to mOtiirne 3 Set up alarms optional Click the Alarms button if you e Te E A a e eal want to configure an alarm to trip when the sensor reading SA ee a The logger has been stopped with HOBOware or is above or below a value you specify See Setting up Alarms Jeu because the memory is full favdciale Notes 4 Configure filters optional Click the Filters button to create additional filtered data series Any filtered series will e You can disable the LCD screen when logging Select be available automatically upon reading out the logger Turn LCD off when setting up the logger as described in the next section When this option is enabled you can 5 Select the Logging Interval Select a logging interval from 1 still temporarily view the LCD screen by pushing the second to a maximum of 18 hours 12 minutes and 15 Start Stop button for 1 second The LCD will then remain seconds on for 10 minutes 6 Select the Logging Mode e The LCD screen refreshes every 15 seconds regardless of the logging interval selected in HOBOware If you choose 1 800 LOGGERS 3 www onsetcomp com e Normal In Normal mode data will
19. ogger and opening the data file Internal Event Name Definition Host Connected The logger was connected to the computer Started The Start Stop button was pressed to begin logging Stopped The logger received a command to stop recording data from HOBOware or by pushing the Start Stop button Button Up Button The Start Stop button was pressed for Down 1 second Chan lt gt Alarm A sensor alarm has tripped is the channel Tripped or sensor number as shown in the Launch Logger window in HOBOware Chan lt gt Alarm A sensor alarm has cleared is the channel Cleared or sensor number as shown in the Launch Logger window in HOBOware This event also contains the value that was furthest out of range for the sensor before the alarm cleared New Interval The logger has entered or exited burst logging mode Safe Shutdown The battery level dropped below 2 5 V the logger performs a safe shutdown www onsetcomp com Mounting the Logger There are several ways to mount the logger using the materials included e Use the four built in magnets on the back of the logger to mount it to a magnetic surface e Attach the Command strip to the back of the logger to mount it a wall or other flat surface e Use the double sided tape to affix the logger to a surface e Insert the hook and loop strap through the mounting loops on both sides of the logger to mount it to a curved surface such as a pipe or tubing Protecti
20. ouvered door in the logger case to the right of the LCD screen 1 800 LOGGERS 2 Plot B RH Accuracy 0 0 25 0 Timebase Error PPM 75 0 100 0 20 r Temperature C Plot C Time Accuracy USB Port Use this port not visible in the diagram to connect the logger to the computer or the HOBO U Shuttle via USB cable see Setting up the Logger and Reading Out the Logger LCD Screen This logger is equipped with an LCD screen that displays details about the current status This example shows all symbols illuminated on the LCD screen followed by definitions of each symbol in the table below STARTSTOP CLEAR maw Ne w gt WHALE Pe rr RH mince maxminavgsdoalm MEMORY Dones LOGGING LCD Symbol Description The logger is waiting to be launched Press and hold the Start Stop button for 3 seconds to launch the logger START The logger has been launched with a push button stop enabled press and hold the Start Stop button for 3 seconds to stop the logger Note If you also launched the logger with a push button start this symbol will not appear on the display for 30 seconds STOP The battery indicator shows the approximate battery power remaining The logger has been configured to stop logging when memory fills The memory bar indicates the approximate space remaining in the logger to record data When first launched all five segments in the bar will be empty In this example the logg
21. readings needed to trigger each alarm The time next to the Number of out of range field indicates the amount of time it will take for the alarm to trip based on the number you entered in that field and the 15 second LCD refresh rate Select either Cumulative or Consecutive for the Sensor Alarm Mode If you select Cumulative the alarm will trip after a specific number of samples as set in the previous step are outside the limits the high or low samples do not need to be consecutive If you select Consecutive the alarm will trip after a specific number of samples as set in the previous step outside the limits are displayed in a row Repeat steps 2 through 6 for the other sensor if desired Choose how long the logger should maintain a sensor alarm once it has tripped Select Host has relaunched logger if you want the alarm to remain visible on the LCD until the next time you relaunch the logger Select Sensor reading within limits if you want the alarm to clear once the sensor reading returns to the normal range between the high and low alarm limits Select Cleared with button press if you want the alarm to remain on until you press the Alarm Stats button on the logger Click OK to save alarm settings www onsetcomp com Notes e Once the logger is launched alarms will trip as determined by these settings Logger alarms will display on the LCD screen Note that the alarm limits are only checked when t
22. st Alarms can only be configured if the logger is in Normal or Statistics mode Select a sensor In this example the temperature sensor was selected Configure Alarms Sensor Alarm Settings Sensor IEIMEC UGGS M Relative Humidity amp Max 158 000 F Number of out of range samples Enable Al aay a displayed before alarm raised v High Alarm 85 000 5 00 Hr 01 Min 00 Sec vi Low Alarm 32 000 Alarm value is set to closest value supported by logger Min 4 000 F f Cumulative Raise alarm when sensor is out of range for a particular number of samples selected above Sensor Alarm Mode Consecutive Raise alarm when sensor is out of range consecutively for a 2 particular number of samples selected above Additional Alarm Settings Maintain Sensor Alarm Until Host has relaunched logger Sensor reading within limits Cleared with button press Help Cancel OK Select the High Alarm checkbox if you want an alarm to trip when the sensor reading rises above the high alarm value Type the reading next to the High Alarm checkbox or drag the red upper slider in the Configure Alarms window Select the Low Alarm checkbox if you want an alarm to trip when the sensor reading falls below the low alarm value Type the reading next to the Low Alarm checkbox or drag the blue lower slider Set the Number of out of range samples displayed before alarm is raised which is the number of sensor
23. will be 10 minutes from the last burst logging point or 9 22 in this case If burst logging had not occurred the next data point would have been at 9 15 e A New Interval event will appear on the plot if you select events for plotting in the Plot Setup window each time the logger enters or exits burst logging mode Statistics Statistics is a logging mode in which the logger calculates maximum minimum average and standard deviation statistics during logging recording the results at each logging interval based on samples taken at a rate you specify This will result in up to four additional series per sensor that record the following information at each logging interval e The maximum or highest sampled value e The minimum or lowest sampled value e An average of all sampled values and e The standard deviation from the average for all sampled values For example let s say both the temperature and RH sensors have been enabled the logging interval is set to 5 minutes and the sampling interval is set to 30 seconds with maximum minimum average and standard deviation all enabled Once logging begins the logger will measure and record the actual temperature and RH sensor values every 5 minutes In addition the logger will take a temperature and RH sample every 30 seconds and temporarily store them in memory The logger will then calculate the maximum minimum average and standard deviation using the samples gathered ov
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