HOBO® Pro v2 User's Manual (Part # U23-00x) Specifications
Contents
1. instructions for your logger U23 001 1 Turn the RH sensor cap counter clockwise slightly and pull to remove it Discard the sensor cap membrane and o ring Clean the sensor end of the logger Face on view with spacer installed jee ae SS 7 Spacer Jf N Cu AF RH Sensor Board es RH Sensor O ring WARNING Do not touch the actual sensor black RH Sensor Cap chip Doing so may compromise accuracy 2 There may be a spacer installed on the RH Sensor Board Remove and discard the spacer 3 Note the orientation of the small circuit board containing the RH sensor With a pair of needle nose pliers grip the sensor board pins Pull out and discard the board 4 Use needle nose pliers to hold the pins on the new sensor board push the board gently but firmly and install it in the same orientation as the old board Make sure it engages with the pins inside the logger housing Do not touch the sensor itself only touch the sides of the board 5 Install the new spacer on the sensor board by placing the spacer onto the third pin from the left use the topmost hole on the spacer instead of the center hole 6 Make sure the o ring is clean and seated properly and set the protective membrane on top either side can face up 7 Put the sensor cap back on Push down and turn it slightly clockwise to close it securely Do not force it If the c2. 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 1s failing and should be replaced before the next deployment To change the battery 1 Turn slightly counter clockwise and pull to remove the protective cap Loosen the cable grommet on the opposite end if the logger has an external sensor Carefully pull out the circuit board containing the battery If the logger has an external sensor you will probably find it easier to push the cable s into the case to push the circuit board out Examine the desiccant packs that were packed into the case If the desiccant is not bright blue put the desiccant packs in a warm dry place until the blue color is restored Cable from sensor if applicable Protective cap Circuit board Grommet for cable if applicable 5 Desiccant packs Install anew 1 2 AA 3 6 Volt lithium battery part HP B The positive end of the battery should face towards the communication LEDs Use aclean dry cloth to wipe away any moisture inside the case Push the board and the desiccant packs back into the case taking care not to bend the communication LEDs Align the board with the grooves inside the case I
3. BO Pro v2 User s Manual Materials All models ASA styrene polymer housing and mounting clamp polypropylene protective cap Buna N o ring s U23 001 U23 002 only ASA styrene polymer RH sensor cap modified hydrophobic polyethersulfone membrane Cables U23 001 No cables U23 002 One 184 cm 6 ft PVC cable sensor diameter 1 cm 0 38 in U23 003 Two 184 cm 6 ft PVC cables sensor diameter 0 5 cm 0 20 in U23 004 One 184 cm 6 ft PVC cable sensor diameter 0 5 cm 0 20 in Immediate start delayed start ane ere Electronics housing is NEMA 6P equivalent tolerant of brief submergence amp Units with RH sensors are NEMA 4 equivalent splash resistant E E E Fixed rate or multiple logging intervals with up to 8 user defined logging intervals and durations logging intervals from semg 1 second to 18 hours refer to HOBOware software manual Offload modes Offload while logging stop and offload U23 001 57 g 1 5 oz U23 002 118 g 3 1 oz U23 003 138 g 3 7 oz U23 004 102 g 2 7 oz Battery indication Battery voltage can be viewed in status screen and optionally logged in datafile Low battery indication in datafile Housing measures 10 2 x 3 8 cm 4 0 x 1 5 in NIST certificate Temperature certificate available for additional charge The CE Marking identifies this product as complying with the relevant directives in the European Union EU Accessories available e RH sensor replacement kit for U23 001 Pa
4. HOBO Pro v2 User s Manual Part U23 00x Inside this package Thank you for purchasing a HOBO data logger With proper e HOBO Pro v2 lage care it will give you years of accurate reliable measurements The HOBO Pro v2 logger s environmentally rugged case 1s designed for years of reliable use in outdoor applications It has enough memory to record over 42 000 12 bit measurements The U23 001 and U23 002 models also feature user replaceable RH sensors e Clamp and mounting screws The logger uses an optical USB communications interface via a compatible shuttle or base station for launching and reading out the logger The optical interface allows the logger to be offloaded without compromising the electronics The USB en compatibility allows for easy setup and fast downloads onset HOBOware software version 2 2 1 or higher is required for logger operation Visit www onsetcomp com for compatible software Doc 10694 H MAN U23 Onset Computer Corporation Specifications Temperature Sensor Operation range Internal sensors 40 to 70 C 40 to 158 F U23 002 external temperature sensor 40 to 70 C 40 to 158 F U23 003 and U23 004 external sensors 40 to 100 C 40 to 212 F with tip and cable immersion in fresh water up to 50 C 122 F for one year 0 2 C over 0 to 50 C 0 36 F over 32 to 122 F see Plot A 0 02 C at 25 C 0 04 F at 77 F see Plot A Response time U23 001 Int
5. ap does not go on easily the sensor may be installed incorrectly Check the sensor orientation and try again 8 Check logger status in HOBOware to verify the RH reading HOBO Pro v2 User s Manual U23 002 1 Grasp the cap and membrane and pull firmly Discard them 2 Note the orientation of the small circuit board containing the RH sensor Pull it out and discard it Cable from logger RH sensor cap amp protective membrane 3 Holding the sides of the board only push gently but firmly to install the new sensor Onset part HUM RHPCB 2 in the same orientation WARNING Do not touch the actual sensor black chip itself doing so may compromise accuracy 4 Put the new sensor cap and membrane on Do not force the cap If it does not go on easily the sensor may be installed backwards Reverse the sensor and try again Battery Typical battery life is about three years Actual battery life is a function of the number of deployments logging interval and operation storage temperature of the logger To obtain a three year battery life use a logging interval of one minute or greater and operate and store the logger at temperatures between 0 and 40 C 32 and 104 F Frequent deployments with logging intervals of less than one minute and continuous storage operation at temperatures above 40 C will result in significantly lower battery life For example continuous logging at a one second logging interval will
6. ecord over 42 000 12 bit measurements Deploying and protecting the logger e To clean the logger s case use a sponge with warm soapy water e Use the included clamp to mount the logger to a surface The clamp has two holes for the screws 44 mm 1 7 inches apart The clamp is slightly tapered to accommodate the logger Install the clamp so the logger fits better with its communication window facing up This will prevent condensation from pooling around the sensor and or grommet A solar shield is recommended if the logger will be exposed to sunshine Periodically inspect the three desiccant packs located in the logger cap If they are not bright blue dry them following the instructions below To dry a desiccant pack remove it from the logger cap and leave in a warm lt 70 C 158 F dry location until the bright blue color is restored Refer to the Battery section for instructions on removing and replacing the logger cap If a desiccant pack remains pink and will not turn blue replace it with a new desiccant pack Onset Part DESICCANT1 Replacing the RH sensor The RH sensor on models U23 001 and U23 002 is protected by an ASA styrene polymer cap and a modified hydrophobic polyethersulfone fluid barrier membrane that allows vapor to penetrate while protecting the sensor from condensation RH sensor performance may degrade over time To replace the RH sensor in your logger refer to the diagram and
7. ernal sensor 40 minutes in air moving 1 m sec typical to 90 U23 002 external temperature sensor 5 minutes in air moving 1 m sec U23 003 and U23 004 external sensors 3 minutes in air moving 20 0 20 40 60 1 m sec 30 seconds in stirred water Temperature C Stability drift lt 0 1 C 0 18 F per year Plot A Relative Humidity Sensor U23 001 U23 002 only Operation range 0 100 RH 40 to 70 C 40 to 158 F Exposure to conditions below 20 C 4 F or above 95 RH may temporarily increase the maximum RH sensor error by an additional 1 ee 2 5 from 10 to 90 RH typical to a maximum of 3 5 y See Plot B for full range 003 Response time U23 001 40 minute in air moving 1 m sec with protective cap typical to 90 U23 002 5 minutes in air moving 1 m sec with protective cap Stability drift lt 1 per year typical hysteresis 1 Logger Relative Humidity 40 to 70 C 40 to 158 F 1 minute per month 0 to 50 C 32 to 122 F Plot B Accuracy Resolution gt 2 L2 2 ooo N w P Accuracy Resolution C O O L N O Absolute Accuracy 40 60 2010 Onset Computer Corporation All rights reserved Patent 6 826 664 Onset HOBO and HOBOware are registered trademarks of Onset Computer Corporation Other products and brand names may be trademarks or registered trademarks of their respective owners HO
8. f you try to put the board in upside down the battery will get in the way Make sure o ring on the protective cap is still in place It should not be pinched twisted or trapping dirt or lint which could interfere with the protective cap Line up the bumps on the protective cap with the notches in the logger s case Push and turn the cap slightly clockwise Pull the slack in the sensor cable s and tighten the grommet if applicable A WARNING 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 regulations for lithium batteries
9. gger in the field Refer to the software user s guide for complete details on launching reading out and viewing data from the logger Important USB communications may not function properly at temperatures below 0 C 32 F or above 50 C 122 F Note The first time you launch the logger the deployment number will be greater than zero Onset launches the loggers to test them prior to shipping HOBO Pro v2 User s Manual Operation A light LED in the communications window of the logger confirms logger operation In brightly lit areas 1t may be necessary to shade the logger to see the LED blink The following table explains when the light blinks during logger operation The OK light The logger is logging Blinks once every one to four seconds the shorter the logging interval the faster the light blinks blinks when logging a sample The logger is awaiting a start because it was launched in Start At Interval or Delayed Start mode Blinks once every eight seconds until logging begins Sample and event logging The logger can record two types 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 Bad Battery or Host Connected Events help you determine what was happening while the logger was logging The logger stores 64K of data and can r
10. rt HUM RHPCB 1 e RH sensor replacement kit for U23 002 Part HUM RHPCB 2 Connecting the logger The HOBO Pro v2 requires a coupler Part COUPLER2 E and USB Optic Base Station Part BASE U 4 or HOBO Waterproof Shuttle Part U DTW 1 to connect to the computer 1 Install the logger software on your computer before proceeding 2 Follow the instructions that came with your base station or shuttle to attach the base station or shuttle to a USB port on the computer 3 Make sure the logger s communications window is clean and dry Use a clean nonabrasive cloth 1f necessary If the logger is damp wipe off excess moisture 4 Attach the coupler to the base station or shuttle then insert the logger into the coupler with the ridge on the logger aligned with the ridge on the coupler 5 Ifyou are using the HOBO Waterproof Shuttle briefly press the coupler lever to put the shuttle into base station mode 6 Ifthe 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 HOBO PRO v2 LOGGER Align ridges Communication LEDs Coupler lever for use with HOBO Waterproof Shuttle 7 Use the logger software to launch the logger check the logger s status read it out stop it manually with the software or let it continue to record data until the memory is full Or use the HOBO Waterproof Shuttle to read out and relaunch the lo
Download Pdf Manuals
Related Search