HOBO Water Temp Pro v2 (U22-001) Manual
Contents
1. Although the boot does not cover the sensor end of the logger the temperature response time to 90 of final value in water increases slightly from 5 to 8 minutes due to the increased mass 1 800 LOGGERS 564 4377 508 759 9500 www onsetcomp com loggerhelp onsetcomp com HOBO Water Temp Pro v2 U22 001 Manual e Depending on water conditions and desired measurement location the logger should be appropriately weighted secured and protected e An alternative to the optional boot in high fouling environments is to protect the logger with plastic wrap that can be removed and replaced as needed e This logger should not be immersed for extended periods in any liquid other than fresh or salt water To do so may void the warranty refer to the Service and Support section If you have any questions about chemical resistance call Onset e Prolonged exposure to chlorinated water is not recommended e Toclean the logger rinse it in warm water Use a mild dishwashing detergent if necessary Do not use harsh chemicals solvents or abrasives especially on the communications window Battery The battery in the HOBO Water Temp Pro v2 is a 3 6 Volt lithium battery The battery life of the logger should be about six years Actual battery life is a function of the number of deployments logging interval and operation storage temperature of the logger To obtain a six year battery life a logging interval of one minute or gre2. HOBO Water Temp Pro v2 U22 001 Manual 4Sensor HOBO Water Temp Pro v2 onset HOBO Water Temp Pro v2 U22 001 Included Item e Communications window protective cap Required Items e Coupler COUPLER C and USB Optic Base Station BASE U 4 or HOBO Waterproof Shuttle U DTW 1 e HOBOware Accessories e Protective boot black BOOT BLK or white BOOT WHT e Replacement communications window protective caps U22 U24 CAP The HOBO Water Temp Pro v2 logger is designed with a durable streamlined UV stable case for extended deployments measuring temperature in fresh or salt water The small size of the logger allows it to be easily mounted and or hidden in the field It is waterproof up to 120 m 400 feet and rugged enough to withstand years of use even in stream conditions It has enough memory to record over 42 000 12 bit temperature measurements The logger uses an optical USB communications interface for launching and reading out the logger The optical interface allows the logger to be offloaded without compromising the integrity of the seals The USB compatibility allows for easy setup and fast downloads Specifications Temperature Sensor Operation Range Accuracy Resolution Response Time 90 Stability Drift Logger Real time Clock Battery Battery Life Typical Use Memory Non volatile Weight Dimensions Wetted Materials Buoyancy Fresh Water Waterproof Shock Drop
3. Logging Interval Launch Modes Offload Modes Battery Indication NIST Certificate CE 40 to 70 C 40 to 158 F in air maximum sustained temperature of 50 C 122 F in water 0 21 C from 0 to 50 C 0 38 F from 32 to 122 F see Plot A 0 02 C at 25 C 0 04 F at 77 F see Plot A 5 minutes in water 12 minutes in air moving 2 m sec typical 0 1 C 0 18 F per year 1 minute per month 0 to 50 C 32 to 122 F 2 3 AA 3 6 Volt Lithium factory replaceable ONLY 6 years with 1 minute or greater logging interval 64K bytes memory approx 42 000 12 bit temperature measurements 42 g 1 5 oz 3 0 cm 1 19 in maximum diameter 11 4 cm 4 5 in length mounting hole 6 3 mm 0 25 inches diameter Polypropylene case EPDM o rings stainless steel retaining ring 13 g 0 5 oz in fresh water at 25 C 77 F 17 g 0 6 oz with optional boot To 120 m 400 ft 1 5 m 5 ft drop at 0 C to 70 C 32 F to 150 F Fixed rate or multiple logging intervals with up to 8 user defined logging intervals and durations logging intervals from 1 second to 18 hours Refer to the HOBOware software manual Immediate start and delayed start Offload while logging stop and offload Battery voltage can be viewed in status screen and optionally logged in datafile Low battery indication in datafile Available for additional charge The CE Marking identifies this product as complying with all relevant di
4. ater should be used and the logger should be operated and stored at temperatures between 0 and 25 C 32 and 77 F Frequent deployments with logging intervals of less than one minute and continuous storage operation at temperatures above 35 C will result in significantly lower battery life For example continuous logging at a one second logging interval will result in a battery life of approximately one month The logger can report and log its own battery voltage If the battery falls below 3 1 V the logger will record a bad battery event in the datafile If the datafile contains bad battery events or if logged battery voltage repeatedly falls below 3 3 V the battery is failing and the logger should be returned to Onset for battery replacement To have your logger s battery replaced contact Onset or your place of purchase for return arrangements Do not open the case or attempt to replace the battery yourself There are no user serviceable parts inside If you open the case the warranty will be voided and the logger may no longer be waterproof A cian Do not cut open incinerate heat above 100 C 212 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 regulatio
5. ns for lithium batteries 2012 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 Patent 6 826 664 10366 G MAN U22 001
6. ns stationary and is not pulled on or struck Return the logger to above 20 C before handling e The opening at the sensor end of the logger accepts 1 4 inch 6 35mm diameter nylon cord or other strong cable If wire is wrapped through the sensor end to secure the logger make sure the wire loop is snug to the sensor end Any slack in the loop may cause excessive wear e The logger is slightly positive buoyant so that it will float if it is inadvertently dropped in the water or breaks free from its mooring You may want to mark or label the logger with contact information in case the logger is lost e Use the included cap to protect the communications window in the logger from fouling and abrasion Place the protective cap over the communications window before deploying the logger e Asan alternative to the included protective cap use the optional boot Part BOOT BLK or BOOT WHT for high fouling environments and for protection against very cold temperatures which can make the case brittle and prone to fracture or repeated pounding and abrasion caused by turbulent flow The boot slides over the logger has a removable end cap and is flexible enough to allow you to attach the coupler without removing the boot To attach the base station remove the end cap and firmly insert the logger until the boot folds back Insert the logger into the coupler so that the bump on the logger slides into the groove of the coupler as shown on page 2
7. rectives in the European Union EU 10366 G MAN U22 001 HOBO Water Temp Pro v2 U22 001 Manual Specifications continued 5 If you are using the HOBO Waterproof Shuttle briefly press the coupler lever to put the shuttle into base station mode 6 If the logger has never been connected to the computer before it may take a few seconds for the new hardware to be detected by the computer Accuracy Resolution 7 Use the logger software to launch the logger You can check the logger s status read out the logger while it continues to log stop it manually with the software or let it record data until the memory is full Refer to the software user s guide for complete details on launching reading out and viewing data from the logger including multiple logging intervals 0 25 Accuracy Resolution C Important USB communications may not function properly at temperatures below 0 C 32 F or above 50 C 122 F Temperature C Note The logger consumes significantly more power when it is awake and connected to a base station or shuttle To Plot A conserve power the logger will go into a low power sleep mode if there has been no communication with your computer Connecting the Logger for 30 minutes To wake up the logger remove the logger from The HOBO Water Temp Pro v2 requires a coupler and USB Optic the coupler wait a moment then re insert the logger Base Station or HOBO Wa
8. s of data samples and events Samples are the sensor measurements recorded at each logging interval for example temperature every minute Events are independent occurrences triggered by a logger activity such as l Bad Battery or Host Connected Events help you determine Coupler lever for use with HOBO Waterproof Shuttle what was happening while the logger was logging Tob tati eee ee The logger stores 64K of data and can record over 42 000 12 If you are using an older model of this logger and the arrow bit temperature measurements is not visible hold the curved side of the coupler up as shown above Insert the logger with the flat side up the side in line with the flat side of the mounting hole 1 800 LOGGERS 2 www onsetcomp com Deploying and Protecting the Logger Follow these guidelines for deploying and protecting the logger Some monitoring applications require precise placement of the temperature sensor such as measuring the temperature of a flow at the bottom of a stream or river Ensure that the logger is appropriately secured so that the temperature sensor is in the desired measurement location Communications Sensor window place the cap below over the window to protect it during deployment Mounting hole Important The plastic case will become brittle at temperatures lower than 20 C If the logger is deployed in a location where the temperature drops below 20 C make sure the logger remai
9. terproof Shuttle to connect to the Note The first time you launch the logger the deployment computer number will be greater than zero Onset launches the loggers to 1 Install the logger software on your computer before test them prior to shipping proceeding Operation 2 Follow the instructions that came with your base station or p shuttle to attach the base station or shuttle to a USB port A light LED in the communications window of the logger on the computer confirms logger operation In brightly lit areas it may be necessary to shade the logger to see the LED blink The following table explains when the light blinks during logger operation 3 Make sure the logger s communications window is clean and dry Use a clean nonabrasive cloth if necessary If the logger is wet wipe off excess moisture When The Light Does this 4 Attach the coupler to the base station or shuttle then insert the logger into the coupler so that the bump on the logger The logger is logging Blinks once every one to four seconds the slides into the groove of the coupler There is also an arrow eR Se cc n a etched on the logger case showing the direction the logger i a Jl alas a should be inserted into the coupler The logger is Blinks once every eight seconds until logging awaiting a start begins because it was launched in Start At Interval or Delayed Start mode Bump on logger Sample and Event Logging The logger can record two type
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