Home

HOBO Micro Station User's Guide - ED Service

1. Grounding Kit M GKA Guy Wire Kit M GWA Item Item v 1 2 inch wrench Phillips head screw driver 2 Sledgehammer 1 2 inch wrench Eye protection safety glasses Medium size wire cutters Medium size wire cutters Crescent wrench Solar Radiation Shield M RSA Light Sensor Bracket M LBA Item Item v 1 2 inch wrench 1 2 inch wrench Phillips head screwdriver 1 if sensors aren t already installed Steps for setting up the 2 or 3 meter tripod system The following steps explain how to set up the logger in a tripod system Step 1 includes instructions for both the 2 and 3 meter assembly Steps 2 through 10 are the same whether you use the 2 or 3 meter tripod 30 Step 1 Assemble level and stabilize the 2 or 3 m tripod lower mast page 31 Step 2 Install the Grounding Kit page 36 Step 3 Temporarily install the upper mast page 37 Step 4 Mount the cross arm and wind sensor page 38 Step 5 Install other smart sensors page 40 Step 6 Mount the upper mast to the lower mast page 46 Step 7 Mount the logger enclosure to the upper mast page 47 Step 8 Install the Guy Wire Kit page 48 Step 9 Final positioning and leveling of sensors page 50 Step 10 Plug in sensors tie cables and begin logging page 51 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Step 1 Assemble level and stabilize the 2 or 3 m trip
2. sssssssssss 23 Connecting the External Communications Port Adapter Cable ss 25 2 or 3 meter tripod system setup optional 27 Guidelines for a tripod system setup sisse esee nnne 27 Field preparation checklist uuiseeseses esses esee esee eene nnne nnne nnn nnn nnn nn nn nana nana anna 28 Steps for setting up the 2 or 3 meter tripod system sssssssssssss 30 Step 1 Assemble level and stabilize the 2 or 3 m tripod lower mast 31 Step 2 Install the Grounding Kit essen nnne 36 Step 3 Temporarily install the upper mast eene 37 Step 4 Mount the cross arm and wind sensor 38 Step 5 Install other smart sensors ssssssssssssssss essent nnn 40 Step 6 Mount the upper mast to the lower mast sss 46 Step 7 Mount the logger enclosure to the upper mast sssssssssssss 47 Step 8 Install the Guy Wire Kit esses esee ener 48 Step 9 Final positioning and leveling of sensors seeeeen 50 Step 10 Plug in sensors tie cables and begin logging sce 51 Chapter 5 Troubleshooting eeeeeeeeereeeeeennnenenenen nnne nnne nnns 55 HOBO Micro Station User s Guide iii Chapter 6 Maintenance support and service ssuesuss 57 MEE 57 Performing a visu
3. Chapter 3 Logger operation To connect the logger to the Radio Modem or Remote Modem 1 Use a slotted screwdriver or small coin to unscrew the external connection access port cover External connection access port cover Figure 4 External connection access port on logger 2 Insert the External Communications Port Adapter Cable through the port and plug it into the modem connector For complete details on attaching this cable see the Connecting the External Communications Port Adapter Cable section on page 25 c 3 oe External Communications port connector plug in adapter cable here Figure 5 Plugging in external communications port adapter cable 3 Connect the cable to the Remote Modem or serial extension cable Once connected use the Remote Site Manager software to launch read out or check the status See the following sections for general information on launching and reading out Refer to the Remote Site Manager User s Guide for detailed information about the software the Radio Modem Operation Manual HOBO Micro Station User s Guide 13 Chapter 3 Logger operation for details on configuring the Radio Modem and the Remote Modem User s Guide for information about configuring the Remote Modem Launching There are several parameters you can enter when launching the Micro Station with the logger software The following table describes the launch parameters you can set Note If you are launching the
4. 10 Use the third leg to adjust the mast close to level 11 When the mast is close to being level secure the third leg 12 Fine tune the mast level by sliding the U bolts slightly up or down Tighten all three leg tri clamps using a 1 2 inch wrench Again verify that the mast is level 13 After checking level and orientation tighten all upper and lower mast U bolts and lock nuts 14 Orient the lower mast creases so they face north and south 15 Tighten the tri clamp bolts so that the mast is locked into position Note the lower mast should be about 8 inches 20 cm above the ground at this time assuming that if you are using the wind sensor you want it to end up at 3 meters or almost 10 feet HOBO Micro Station User s Guide 35 Chapter 4 Field setup and mounting Step 2 Install the Grounding Kit This section explains how to install the grounding rod from the Grounding Kit Part M GKA and attach it to the lower mast of either the 2 meter and 3 meter tripods 1 Attach the ground wire to the lower mast of the tripod using the U bolt assembly delivered with the grounding kit 2 Slide the ground rod clamp over the ground rod prior to driving it into the ground This allows you to work with the clamp before the top of the rod is damaged from impact 3 Using a sledgehammer drive the ground rod into the ground as close as possible to the lower mast of the tripod 4 Attach the ground wire to the ground rod Cut off
5. Place the light sensor level Part M LLA on the sensor Adjust the height of the thumbscrews to level the sensor start with the thumbscrews protruding about 1 16 inches from the bracket Once the sensor is near level tighten the mounting screws Check the light sensor level and repeat these steps as necessary When the sensor is level be sure to remove the light sensor level Light sensor level remove after sensor is leveled Light sensor Figure 38 Light sensor and light sensor level HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Step 10 Plug in sensors tie cables and begin logging This section explains how to finish the Micro Station setup 1 Plug the sensors into the logger if you haven t already done so For details on inserting sensors see the Logger and smart sensor setup instructions section in Chapter 2 on page 5 2 Ifyou have a laptop or Palm handheld on site check current readings to ensure the sensors are all working Note that you cannot check current readings if the logger is waiting for a Button Start or a Delayed Start 3 Check that the batteries are securely seated in their holder with the battery strap in place 4 Usecable ties to secure the wind sensor cables to the cross arm bracket and mast The sensor cables should run below the cross arm and brackets to minimize the chance of birds pecking and damaging the cables Cable ties should be space
6. tri clamp Wire clamp screw Upper mast 1 in 2 5 cm of exposed cable Figure 35 Guy wire attachment 3 Hook one S hook and one turnbuckle onto the corresponding stake see Figure 36 or leg see Figure 37 Turnbuckle S Hook Figure 36 Guying to 1 2 inch Stakes 48 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Figure 37 Guying to 3 Meter tripod feet 4 Cutthe guy cable so that it can be put through the loose end of the turnbuckle and the wire clamp see Figure 36 if using the 2 meter tripod see Figure 37 if using the 3 meter tripod Make sure the turnbuckle is extended as shown in the figures before feeding the cable through Install the hooks turnbuckles and cables onto the other two stakes or tripod legs Tighten the three guy wires evenly by turning the turnbuckles Attach a Post Level Part M LVA on the upper mast to maintain the mast at vertical por c LOY CORE The guy wires should be taut when the installation 1s complete HOBO Micro Station User s Guide 49 Chapter 4 Field setup and mounting Step 9 Final positioning and leveling of sensors Once the upper mast 1s locked in place and guyed position the sensors at the correct heights and check that the rain gauge is level if on a tripod Follow these steps to level the light sensor l 2 3 50 Make sure the screws holding the sensor to the mounting bracket are loose
7. 2 before continuing with other chapters in the manual and installing the Micro Station on site For your convenience this manual includes three section dividers to organize sensor manuals and hardware packing lists It is recommended that you add all sensor manuals and hardware packing lists to this binder Smart sensors supported At the time of printing the following smart sensors are available for use with the Micro Station e Temperature e Temperature relative humidity e Rain e Soil moisture e Wind speed e Wind speed and direction e Solar radiation e Photosynthetic active radiation PAR 2 HOBO Micro Station User s Manual Chapter 1 Introduction e 0 5 Volt Input Adapter e 4 20 mA Input Adapter e Pulse Input Adapter contact closure and electronic switch The Micro Station is not recommended for use with the barometric pressure smart sensor because the logger enclosure must remain sealed during operation Refer to www onsetcomp com for a current list of available sensors Refer to the manuals provided with the sensors for sensor specifications mounting information and recommended maintenance HOBO Micro Station User s Guide Chapter 1 Introduction 4 HOBO Micro Station User s Manual Chapter 2 Assembly and testing Chapter 2 Assembly and testing The HOBO Micro Station is shipped partially assembled This section explains how to assemble the logger connect the smart sensors and perform a quick te
8. Internet www onsetcomp com Warranty Onset Computer Corporation Onset warrants to the original end user Purchaser for a period of one year from the date of original purchase that the HOBO product s purchased will be free from defect in material and workmanship During the warranty period Onset will at its option either repair or replace products that prove to be defective in material or workmanship This warranty is void if the product has been damaged by the Purchaser as a result of improper maintenance abuse misuse mishandling misapplication error or negligence of Purchaser or if there has been an unauthorized alteration attachment or modification THERE ARE NO WARRANTIES BEYOND THE EXPRESSED WARRANTY AS PROVIDED IN THIS DOCUMENT IN NO EVENT SHALL ONSET BE LIABLE FOR LOSS OF PROFITS OR INDIRECT CONSEQUENTIAL INCIDENTAL SPECIAL OR OTHER SIMILAR DAMAGES ARISING OUT OF ANY BREACH OF THIS CONTRACT OR OBLIGATIONS UNDER THIS CONTRACT INCLUDING BREACH OF WARRANTY NEGLIGENCE STRICT LIABILITY OR ANY OTHER LEGAL THEORY LIMITATION OF LIABILITY The Purchaser s sole remedy and the limit of Onset s liability for any loss whatsoever shall not exceed the Purchaser s price of the product s The determination of suitability of products to the specific needs of the Purchaser is solely the Purchaser s responsibility THERE ARE NO WARRANTIES BEYOND THE EXPRESSED WARRANTY IN THIS DOCUMENT EXCEPT AS SPECIFICALLY PROVIDED IN THIS DOCUM
9. excess cable length and discard or recycle 5 Tighten the clamp bolt Ground rod clamp Ground rod clamp bolt Ground wire Ground rod Figure 23 Ground wire attachment 36 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Step 3 Temporarily install the upper mast This section explains how to temporarily attach the upper mast to the tripod base This allows you to easily work on the upper mast while it is resting on the base of the tripod Note If you prefer to permanently install the upper mast at this point because you will be able to reach the fully assembled tower go to Step 6 Mount the upper mast to the lower mast on page 46 and then return to Step 4 Otherwise follow these temporary steps and then permanently attach the upper mast later 1 Ifyou will be using the Guy Wire Kit Part M GWA install the guy wire upper mast clamp about two thirds up the upper mast Tighten the clamp by hand to temporarily hold it in place You will need to adjust it later 2 Standthe upper mast upright and tie a cable tie to one leg brace and one leg of the tripod using the cable ties supplied Remove the cable ties after the cross arm and sensors are installed Upper mast Post level Cable tie Figure 24 Upper mast temporary HOBO Micro Station User s Guide 37 Chapter 4 Field setup and mounting Step 4 Mount the cross arm and wind sensor This sec
10. from network the logger to the sensor or vice versa Delay Start The logger has been configured to The logger will not record measurements while this launch with a delayed start will light is blinking Sensors can be added at this time continue blinking until the defined start date time Button Start The logger has been configured to The logger will not record measurements while this start with a button start will continue light is blinking Sensors can be added at this time blinking until you press and hold the button on the logger for a couple of seconds OK Every two seconds while the logger is Sensors cannot be added at this time recording data from sensors The battery power is less than 2596 The logger will continue to run However you capacity should read out the logger and then replace the batteries soon Mem Low Less than 25 of memory is The logger will continue to run until all memory is available for saving data used This light will only blink if the launch parameter Wrap Around When Full is not selected see the following section for details on the Wrap Around When Full setting Error There is or has been a sensor If this light is blinking in conjunction with the OK communication failure light there was a communication failure The system has recovered but you may have an intermittent problem If this is the only blinking light then at least one sensor is currently not communicating Immediate investig
11. from any liability or damage whatsoever arising out of the use of the product and or equipment in such manner LEGAL REMEDIES This warranty gives you specific legal rights You may also have other rights which vary by jurisdiction The remedies provided herein are in lieu of all other remedies express or implied Returns Note Please direct all warranty claims to the place of purchase Before returning a failed unit directly to Onset you must obtain a Return Merchandise Authorization RMA number from Onset You must provide proof that you purchased the Onset product s directly from Onset purchase order number or Onset invoice number Onset will issue an RMA number that is valid for 30 days You must ship the product s properly packaged against further damage to Onset at your expense with the RMA number marked clearly on the outside of the package Onset is not responsible for any package that is returned without a valid RMA number or for the loss of the package by any shipping company Loggers must be clean before they are sent back to Onset or they may be returned to you Repair policy Products that are returned after the warranty period or are damaged by the customer as specified in the warranty provisions can be returned to Onset with a valid RMA number for evaluation ASAP repair policy For an additional charge Onset will expedite the repair of a returned product Data back service HOBO Micro Station data loggers store dat
12. in Step 5 for instructions Repack the logger and sensors for transit It is strongly recommended that you use the original packaging when possible because it is custom designed to protect the Micro Station and its components Gather the tools required for setup Use the following checklists to make sure you have the necessary tools to set up the Micro Station in the field The items marked optional depend on your site needs Logger Rain Gauge Sensor Item v Item v Phillips head screwdriver Mast level Part M MLA optional for mounting on separate mast Adjustable 8 inch or 10 inch Sledgehammer or post driver crescent wrench if using mast optional for mounting on separate mounting kit mast Pen pencil or other blunt Eye protection safety glasses if instrument using sledgehammer post driver Small coin or slotted screwdriver Slotted screwdriver Utility or pocket knife Conduit optional Light Sensor Wind Speed Direction Sensor Item v Item v Ladder if deploying sensor above 7 16 inch wrench eye level Light sensor level Part M LLA Crescent wrench or second 7 16 inch wrench Phillips head screwdriver 1 1 06 inch 2 00 inch hose clamps if mast mounting without cross arm Compass Phillips head screwdriver 28 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting v Task Gather the tools
13. it on the cross arm 1 Insert the end of the black mounting rod through the top of the cross arm see Figure 26 2 Insert a 1 4 20 x 1 3 4 inch hex head bolt with a flat washer on it through the 1 4 inch hole on the end of the cross arm 38 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting 3 Install another flat washer and nylock nut on the bolt allowing the black mounting rod to protrude 1 2 inch 1 3 cm from the bottom of the cross arm 4 Tighten the nut and bolt until the rod is clamped in place and the cross arm just starts to deform Cross arm Mast plug inserted T dd into mast Wind sensor cable Mounting rod e oder Upper mast Point at which the cross arm starts ___ to deform Wind speed sensor cable Washer nut assembly Figure 26 Wind sensor attachment If you are attaching the sensors to the upper mast while it is temporarily attached to the tripod base Go to Step 5 Install other smart sensors If you are installing the sensors on a mast that is already mounted on top of the lower mast You can adjust the wind sensor to the desired height from the ground This can be accomplished by raising and lowering the entire mast the wind sensor on the cross arm or a combination of both 1 Loosen the tri clamp bolts and raise or lower the entire mast so that the wind sensor is close to the desired height Make sure there is at least 5 cm 2 inches of mas
14. logger with HandCar on a Palm handheld the logger will be launched with the parameters you last entered in the logger software Enter a description of the launch Battery type Make sure the appropriate battery type is selected otherwise the battery gauge will not be accurate when checking the logger status Logging interval Set how often the logger will record data for example every 30 minutes hour etc The minimum logging interval is 1 second and the maximum is 18 hours Keep in mind that the faster the logging interval the more quickly the batteries will be depleted See the Estimating Battery Life section on page 16 for more details Sampling interval For use with sensors that support software selectable measurement averaging The sampling interval sets how often sensors will take measurements between logging intervals Check the sensor s data sheet or manual to determine if your sensor supports measurement averaging When a sampling interval is used during launch all the sampled measurements for the sensor are averaged together and the average is then recorded as one data point at each logging interval The individual data points that comprise the average are not saved only the final averaged data point is saved Set the sampling interval to one of the predefined settings from 1 second to 4 minutes The sampling interval must be less than or equal to the logging interval Sampling rates shorter than 1 minute will reduce the logger
15. longer absorbing moisture If the desiccant pack is blue it is still good If it is pink it is bad and needs to be reconditioned To recondition a desiccant pack place it in a warm dry spot until it turns blue For example place the desiccant pack in an oven set to 50 to 70 C 122 to 158 F for 24 hours Once it turns blue again you can place it back in the logger If the desiccant pack is pink also check for condensation within the logger If there is condensation check that the fittings are still tight and secure and the cover s rubber gasket is clean or consider moving the logger to a drier location Replacing the batteries Batteries are cheap insurance Replace them at least once a year to prevent any loss of data Be sure to read out the logger before replacing the batteries For more details refer to the Selecting and installing batteries section in Chapter 3 Verifying the sensor accuracy For most sensors it is recommended that you test sensor measurement accuracies once a year Onset Computer can verify the accuracy of all sensors and recalibrate some sensors For more details on verifying sensor accuracy refer to the Sensor Manuals included with the sensors Who to contact for technical support If you have questions about the Micro Station contact the company where you bought it either Onset Computer Corporation or an Onset Authorized Dealer Before calling Before calling for technical support you can evaluate
16. lower mast 8 Because the tripod for the 2 meter configuration has non adjustable legs you must verify that the mounting surface area is level If it is not use shims or remove soil as needed You can attach the Post Level Part M LVA to the mast to verify that it is vertical as you level the surface You can also use the tri clamp bolts to fine tune the vertical adjustment later after you adjust the height of the mast 9 Secure the tripod Use either the 14 inch diameter stake kit Part M SKB or bolt the tripod to cement pads with 4 inch anchors Install a stake or bolt through one of the holes on each of three tripod feet 10 If site conditions high winds etc warrant further stabilization of the tripod use the Guy Wire Kit Part M GWA Instructions for installing the Guy Wire Kit are later in this chapter 32 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting 3 meter tripod lower mast assembly instructions 1 Using 5 16 inch nuts attach the three anchor plates to the three tripod foot brackets with the large holes to the outside see Figure 19 Tighten the nuts securely 2 Attach the three leg U bolts with saddle clamps one each onto the outer legs about 20 cm 8 inches up from the anchor plates U bolts with saddle clamps Figure 19 Three meter lower tripod 3 Open the tripod and place it in an upright position 4 Unfold the leg brace assembly and place the ass
17. read and follow their disposal instructions dispose of lithium batteries according to local regulations Do not dispose of batteries in fire Never attempt to recharge a lithium or alkaline battery Do not heat the batteries above 185 F 85 C Do not mutilate or rupture the battery housing Lithium batteries may explode if the logger is exposed to extreme heat or conditions that could damage or destroy the battery case Do not expose the contents of the battery to water Estimating battery life Battery life will vary with e Logging and sampling intervals in use most important factor e Number of sensors e Battery type e Operating environment Use the following table to help you estimate how long the batteries will last the run time based on the logging interval Note The run times in this table assume that the recommended battery type for the temperature range is being used and up to four sensors are connected Logging interval Sampling Interval Typical battery run time 1 second Off 30 to 50 days 1 minute Off About 12 months 10 minutes 1 minute 12 months or more Additional guidelines e Turn off the sampling interval unless you have sensors that support measurement averaging At the time of publication only the 12 bit Temperature Soil Moisture Photosynthetically Active Radiation and Solar Radiation smart sensors and the 4 20 mA and 0 5 Volt input adapters supported measurement averaging Check the s
18. required for setup continued Soil Moisture Sensor Temperature RH or Temp Sensor Item v Item Trenching shovel spade or flat bar Phillips head screwdriver 1 if sensors are not already installed Water optional Conduit optional 4 20 mA Input Adapter Pulse Input Adapter Item Y Item Hook and loop tape Two wire nuts 0 5 Volt Input Adapter Item Y Hook and loop tape 3 m or 2 m Tripod with Mast M TPA or M TPB Cross Arm M CAA or M CAB 1 2 inch wrench 1 2 inch wrench NE Mast level Part M MLA Crescent wrench Medium size wire cutters Crescent wrench Redimix cement optional Stake Kit M SKA or M SKB Shovel optional Item All purpose grease Sledgehammer Tape measure Eye protection safety glasses Tie wraps 3 m Mast M MPA 1 5 m Mast M MPB Item v Item 1 2 inch wrench Sledgehammer or post driver Sledgehammer or post driver Eye protection safety glasses Eye protection safety glasses if Mast level Part M MLA using sledgehammer post driver Mast level Part M MLA Redimix cement optional Redimix cement optional Shovel optional Shovel optional All purpose grease All purpose grease Tape measure Tape measure HOBO Micro Station User s Guide 29 Chapter 4 Field setup and mounting Task
19. s battery life Important If you do not have any sensors that support measurement averaging set the sampling interval to Off as there will be no benefit and it will reduce battery consumption When to start logging Choose one of the following start modes for the logger e Start logging now The logger will start recording measurements as Soon as you are finished configuring the launch Delayed start The launch is postponed until the exact date and time you specify You can add sensors to the logger any time before the specified start time Button start This allows you to configure the launch settings but start the actual launch when you want by pressing a button on the logger You can add sensors any time before pressing the button on the logger Save settings for a later launch Select this option when you want to save the current launch settings for a future launch but not start the launch now for example prior to heading into the field Wrap around when full When this box is checked new data will overwrite the oldest data in the logger sequentially one sample at a time when the memory is full The logger will continue logging indefinitely until either the logger is read out and stopped or the battery fails If this box is not checked the logger will stop logging when the memory is full and preserve acquired data Edit sensor locations Give each sensor a name of up to 30 characters Deployment notes Add up to 2000 charac
20. that sensor will then display as missing or erroneous in readouts e You cannot replace one sensor with a new sensor of the same type while logging If you would like to replace a sensor with another sensor of the same type for example swap a temperature sensor with a new temperature sensor it is necessary to read out the current data from the logger and re launch with the new sensor e The logger can work with a maximum of 100 meters 328 feet of smart sensor network cable which is the digital communications portion of the sensor cables If you are using multiple sensors be sure to check the length of each smart sensor network cable reported in the Sensor Manuals Add them together and make sure they do not exceed 100 meters 328 feet Time accuracy Upon launch the Micro Station s clock is set in Coordinated Universal Time UTC which is determined from the clock on your computer or Palm handheld Once the Micro Station is logging it will keep fairly accurate time However there are three main sources of errors with time reporting e Host clock error A common source of error is an incorrect time in the computer or Palm handheld used to launch the logger Make sure the clock on your computer or Palm handheld is set to the correct date and time before launching the logger One resource for calculating accurate HOBO Micro Station User s Guide 17 Chapter 3 Logger operation time settings for UTC colloquially known as Greenwic
21. water and flood zones WARNING Severe shock hazard Do not set up the HOBO Micro Station near power lines Contact between the HOBO Micro Station and power lines may result in a fatal shock electrocution or death Conduit is recommended when placing a sensor in or near the ground to protect against animals lawn mowers tractors exposure to chemicals etc Beware of rodents birds cattle and other animals that can bite peck or trample the Micro Station An External Grounding Wire Adapter Cable Part CABLE HWS G is required if you will be using a wind speed or wind speed and direction sensor with the logger Both an External Grounding Wire Adapter Cable and a Grounding Kit Part M GKA are recommended if the logger will be placed in an exposed location on a tripod or tower If possible avoid sites immediately adjacent to radio television microwave towers and equipment In rare situations strong electromagnetic interference may result in sensor network errors Take note of the mounting considerations in the Sensor Manuals for additional guidelines relative to the particular sensors you are using If mounting the logger to a post or wall note that it is 60 x 103 mm 2 37 x 4 06 inches between the center of the holes on the back of the logger See Figure 10 on page 22 HOBO Micro Station User s Guide 21 Chapter 4 Field setup and mounting e Onset offers a 1 5 meter mast Part M MPB which is especially useful when yo
22. Do not mount the probes adjacent to large metal objects such as metal poles or stakes Maintain at least 8 cm 3 inches of separation between the probe and other objects Any objects other than soil within 8 cm 3 inches of the probe can influence the probe s electromagnetic field and adversely affect output readings 1 Use a thin implement like a trenching shovel gardening spade or flat bar to make a pilot hole in the soil Make sure the hole is straight in the direction you will be orienting the probe The probe can be oriented in any direction However orienting the flat side perpendicular to the surface of the soil will minimize effects on downward water movement and avoid the possibility that water will pool on top of the sensor 2 Insert the probe into the hole making sure the entire length of the probe is covered 3 Insert a shovel into the soil a few inches away from the probe and gently force soil toward the probe to provide good contact between the probe and the soil 4 Water the soil surrounding the sensor to facilitate settling of the soil 5 Do not excessively pack or compress the soil adjacent to the sensor The soil should contact the sensor surface but should not be packed For deeper installation excavate down to just above the level you wish to measure then install the probe as described above If you need to calibrate the probe for the soil you may want to gather soil samples from each sample depth at this t
23. ENT THERE ARE NO OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTIBILITY OR FITNESS FOR A PARTICULAR PURPOSE NO INFORMATION OR ADVICE GIVEN BY ONSET ITS AGENTS OR EMPLOYEES SHALL CREATE A WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF THE EXPRESSED WARRANTY OFFERED WITH THE SALE OF THIS PRODUCT HOBO Micro Station User s Guide 59 Chapter 6 Maintenance support and service INDEMNIFICATION Products supplied by Onset are not designed intended or authorized for use as components intended for surgical implant or ingestion into the body or other applications involving life support or for any application in which the failure of the Onset supplied product could create or contribute to a situation where personal injury or death may occur Products supplied by Onset are not designed intended or authorized for use in or with any nuclear installation or activity Products supplied by Onset are not designed intended or authorized for use in any aeronautical or related application Should any Onset supplied product or equipment be used in any application involving surgical implant or ingestion life support or where failure of the product could lead to personal injury or death or should any Onset supplied product or equipment be used in or with any nuclear installation or activity or in or with any aeronautical or related application or activity Purchaser will indemnify Onset and hold Onset harmless
24. HOBO Micro Station User s Guide Part DOC H21 002 Doc 7645 B Contact Information For support please contact the company that you bought the product from Onset Computer Corporation or an Onset Authorized Dealer Onset Computer Corporation 470 MacArthur Blvd Bourne MA 02532 Mailing Address P O Box 3450 Pocasset MA 02559 3450 Phone 1 800 LOGGERS 1 800 564 4377 or 508 759 9500 Fax 508 759 9100 Hours of Operation 8AM and 5PM Eastern Time E mail loggerhelp onsetcomp com Main Onset Web site www onsetcomp com FTP site ftp onsetcomp com If you purchased the products through an Onset Authorized Dealer you can also refer to www hobohelp com for support information WARNING Fire Explosion and Severe Burn Hazard Do not mix battery types either by chemistry or age batteries may rupture or explode When replacing the batteries read and follow their disposal instructions dispose of lithium batteries according to local regulations Do not dispose of batteries in fire Never attempt to recharge a lithium or alkaline battery Do not heat the batteries above 185 F 85 C Do not mutilate or rupture the battery housing Lithium batteries may explode if the logger is exposed to extreme heat or conditions that could damage or destroy the battery case Do not expose the contents of the battery to water gt WARNING Severe shock hazard Before installing tripod or mounting poles ensure that there are no electr
25. Kit Part M GWA and 1 2 inch Stake Kit Part M SKA to secure the system e Either an External Grounding Wire Adapter Cable Part CABLE HWS G or an External Communications Port Adapter Cable Part CABLE HWS F is required if you will be using a wind speed or wind speed and direction sensor with the logger or if the logger will be placed in an exposed location In addition the Grounding Kit Part M GKA is recommended if the logger will be outdoors in an exposed location Electrically ground the logger to its mounting mast which in turn must be connected to a ground rod to reduce the chance of damage from atmospheric electrical activity e 2meter Tripod Tower Assembly Part M TPB You must set up the tower on level ground there should be no ground slope The legs on the 2 meter tower are non adjustable If the site you are using is not level then you will need to either level it or use shims to level the tripod Be prepared to dig if necessary Suggested Mounting Use 1 4 inch Stake Kit Part M SKB e 3meter Tripod Tower Assembly Part 7 M TPA The maximum ground slope is 13 degrees The legs on the 3 meter tower allow for limited adjustment on uneven ground Be prepared to dig if necessary if the slope is significant Suggested Mounting Use 1 2 inch Stake Kit Part M SKA e tis recommended that two people set up most tripod systems Some assemblies are heavy and are easier to handle with two people e Be sure to stabil
26. Reset or Add Sensor button in the launch screen Check for a loose connection between the sensor and the logger Make sure you haven t exceeded 100 meters 328 ft of network cable All sensors are missing in the logger software launch Screen Remove all but one sensor then check if the sensor appears in the launch screen Continue to remove and re insert the sensors one at a time until you find the bad sensor If you find a bad sensor or if none of the sensors communicate contact your Onset dealer or Onset Computer Corporation The error status light is blinking If the error light is blinking in conjunction with the OK light there was a communication failure The system has recovered but you may have an intermittent problem Try checking the sensors one at a time to make sure they are all communicating If you find a bad sensor or if no sensor communicates contact your Onset dealer or Onset Computer Corporation If the error light is the only light blinking then at least one sensor is currently not communicating Immediate investigation is recommended Look for a loose connection which could cause bad electrical contact with a sensor If found remove the offending sensor and check its wires and connector for damage and or signs of moisture In general it is recommended that you read out any data when this light is blinking investigate the problem and re launch the logger The battery low light is blinking after t
27. a in non volatile flash data storage Onset will if possible recover your data to disk Tune up service Onset will examine and retest any HOBO Micro Station logger or sensors 60 HOBO Micro Station User s Manual
28. able for connecting the logger to the Remote Modem or to a serial extension cable This cable includes a grounding wire which is required if you will be using a wind speed or wind speed and direction sensor with the logger or if the logger will be placed in an exposed location on a tripod or tower The tools required to connect the External Communications Port Adapter Cable are e Small coin or slotted screwdriver e Phillips head screwdriver e Crescent wrench Follow these instructions 1 Use a slotted screwdriver or small coin to unscrew the external connection access port cover External connection access port cover Figure 14 External connection access port on logger 2 Insert the cable through the external connection access port Screw in the fitting to seal the hole Hand tighten the fitting and then tighten an additional 4 to 4 turn with a crescent wrench HOBO Micro Station User s Guide 25 Chapter 4 Field setup and mounting 3 Plug the cable into the connector Note that the cable can fit into the connector in one direction only Hand tighten the dome nut and then tighten an additional turn with a crescent wrench Insert the cable through the hole and then screw in this fitting as shown here Dome nut External communications port connector plug in adapter cable here Figure 15 External communications port adapter cable plugged into logger 4 Connect the communications end of the cable to the Rem
29. al inspection esee ener nnn en nnn nennt 57 Cleaning the Micro Station ssssses seen enne nnne 57 Checking the desiccant pack sese enne 58 Replacing the batteries 2 2 o a ocaeca eei det 58 Verifying the sensor accuracy ssssessssse senes nenne ener 58 Who to contact for technical support sss 58 Before calling erreen err ru ERR PRO riora RE DATE 58 Onset Computer contact information essen eene 59 Watktality 5 eere oet dia ee aoe du eb ed el T edens 59 iz semc EE E 60 Fepalt poliGy i aote tete re odore o Der te ote ene 60 ASAP repaitr Dolly oe nt eri ee dida eget ee ee repu eue ees 60 Data back service eet leet et o dad tere medo nee ero tane eee ia east 60 T ne up Services oi teet erit ire ee Pee Radin hed de Haeo E ati eee do eet 60 HOBO Micro Station User s Manual Chapter 1 Introduction Chapter 1 Introduction The HOBO Micro Station is a four sensor data logger designed for applications requiring multi channel monitoring of microclimates in one or more locations Part of the HOBO Weather Station family the Micro Station uses a network of smart sensors for taking measurements Key features of the smart sensors include Hobo micro station e Automatic detection No extensive programming computer wiring or calibrating is required to set up sensors di ONSET corpbration e Easy expansion Because t
30. and often solve the problem if you do the following e Check this manual or online technical support at onsetcomp com or hobohelp com It may only take a few moments to get the answers you need 58 HOBO Micro Station User s Manual Chapter 6 Maintenance support and service e Write down the events that led to the problem When contacting Onset Computer Corporation or an Onset Authorized Dealer please indicate that you need technical support for HOBO products Be prepared to provide e Most important A datafile showing any anomalies e The part and serial number for the logger any sensors e The software version number e Details on the hardware and software configuration of your computer including the manufacturer model number peripherals and operating system version e Acomplete description of the problem or question By providing detailed information technical support response time will be faster and the assistance will be more accurate Onset Computer contact information Shipping Address Onset Computer Corporation 470 MacArthur Blvd Bourne MA 02532 Note Returns must also have the RMA obtained from Onset listed on the box with the address Attn RMA as described in the Returns section below Mailing Address P O Box 3450 Pocasset MA 02559 3450 Toll free phone 1 800 LOGGERS 1 800 564 4377 Phone 508 759 9500 Fax 508 759 9100 E mail loggerhelp onsetcomp com
31. ately 250 days based on Figure 8 See the sensor s manual for the number of bits each type of sensor uses 500 450 400 4 350 a 300 4 s 1 minute 4 4 5 minutes E 250 m 10 minutes E 15 minutes z 20 minutes E 200 4 a 30 minutes 150 4 100 4 e ie 50 4 3 85 8 8a a s a s a 4d 0 T T T T T T T T T T 20 40 60 80 100 120 140 160 180 200 Total Number of Bits Figure 8 Memory run time HOBO Micro Station User s Guide 19 Chapter 3 Logger operation 20 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Chapter 4 Field setup and mounting The HOBO Micro Station shares many of the same optional accessories as the HOBO Weather Station This chapter explains how to set up the Micro Station in the field both with and without the optional accessories This includes v v v v Guidelines for typical field setup Mounting instructions for a flat surface Using Micro Station accessories Tripod setup Guidelines for typical field setup Use the following guidelines to help you choose an appropriate site for setting up the Micro Station and protecting against field hazards A Avoid placing the logger in extremely hot locations such as on a dashboard or the roof of a greenhouse and chronically wet locations such as in a well or any place that is wet most or all of the time Also avoid rising
32. ation is recommended In general it is recommended that you read out any data when this light is blinking investigate the problem and re launch the logger HOBO Micro Station User s Guide 11 Chapter 3 Logger operation Communicating with the logger You can launch read out or check the status of the Micro Station with either a computer or Palm handheld custom launch parameters can only be specified with the computer In addition you can also use a Remote Modem to connect to a Micro Station deployed near an analog phone line or use a Radio Modem for wireless communication with the logger within a specified range To connect the logger to the computer or Palm handheld 1 Use a slotted screwdriver or small coin to unscrew the data access port cover Data access port cover Figure 2 Data access port on logger 2 Insert the PC interface cable or Palm to Logger cable through the data access port and plug it into the communications port on the logger Cable plugged into communications port Figure 3 Connecting cable to logger Once connected to the computer use the logger software to configure the launch read out the logger or simply check the status With the Palm handheld use HandCar to launch read out or get current sensor readings See the following sections for general information on launching and reading out Refer to the software user s guide for detailed information 12 HOBO Micro Station User s Manual
33. avoid the possibility of shading the sensor Note If you mount the sensor above eye level you will need a stepladder or other secure platform so that you can clearly view the light sensor level when you level your sensor Light sensor Upper mast Thumbscrew Light sensor bracket B s U bolt assemblies Figure 29 Light sensor on the mast P Light sensor cable Temperature or temperature RH sensor with solar radiation shield installation instructions In the Field Preparation Checklist in this chapter it was recommended that you install the sensor in the solar radiation shield Part M RSA before going into the field If you already installed the sensor skip to step 2 of these instructions on the next page 1 To install the temperature RH sensor into the solar radiation shield Remove the bottom three shield plates by removing the three wing nuts Install the temperature RH sensor using the two black loop clamps two washers and two self tapping screws see Figure 30 Be careful not to block the RH sensor openings Feed the cable out through the third and fourth shield plates see Figure 32 Replace the bottom three shield plates Threaded rod self tapping screw Temperature RH sensor cable SS Temp RH sensor Loop clamp Figure 30 Temperature RH sensor inside solar radiation shield HOBO Micro Station User s Guide 43 Chapter 4 Field setup and mount
34. d no more than 3 m 1 foot apart Upper mast Mounting rod Wind sensor cable Figure 39 Securing the wind sensor cable 5 Tie the sensor cable below the light sensor bracket Light sensor cable Figure 40 Securing the light sensor cable HOBO Micro Station User s Guide 51 Chapter 4 Field setup and mounting 6 Usecable ties to secure cables to the mast see Figures 41 and 42 Also secure any cables running to remote sensors to the mast or to one of the tripod legs Pas Upper mast Cable tie ER U bolt assemblies Sensor cables a Figure 41 Securing the sensor cables on upper mast 7 Gather the excess cable and attach the cable ties to the upper mast behind the logger Leave about a 5 cm 2 inch drip loop of cable below the logger Sensor cables Cable ties Mounting plate from Mount Kit p Figure 42 Finishing off securing sensor cables to the mast Drip loop 52 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting 8 All cables should be neatly secured to the mast when complete 9 Recheck that all the U bolts nuts and clamps are secure for the entire system 10 The logger is ready to begin logging e Ifyou configured the logger to launch with a button start the Button Start light should be blinking To start logging press and hold the button inside the logger enclosure for a second until all lights flash the log
35. e one below Anti snag device removed from the external sensor Ec connector 6 HOBO Micro Station User s Manual Chapter 2 Assembly and testing 6 Insert the sensor connectors through the dome nut The threaded side of the dome nut should be facing towards the connector Then slide the cables through the stuffing gland and through the hole in the case Push the cables into the slit insert Note The electronics on some older temperature sensors are housed in a tube that is close to the sensor connector If you have any of these sensors be sure to insert them first because they will need more room inside the logger Adjust the sensor as needed so that the tube with the electronics fits inside the logger without too much unnecessary bending of the cable Stuffing gland on sensor port O ring cord to fill empty holes KL S L Dome nut 4 Sensor cable and connector 7 Plug the sensors into the logger Adjust the cable length as necessary so there isn t excess cable inside the case 8 Ifyou are using fewer than four sensors add the o ring cord s to plug the empty hole s in the slit insert 9 Push the slit insert back into the stuffing gland Pushing the slit insert in at a slight angle and with a slight twist may help it slide in more smoothly 10 Screw the dome nut onto the stuffing gland tighten by hand and then an additional to 3 4 turn with an adjustable wrench The dome nut must be snug but s
36. embly flat on the ground Leg brace assembly Figure 20 Leg brace and 3 meter tripod HOBO Micro Station User s Guide 33 Chapter 4 Field setup and mounting 5 Attach each of the three inner legs to each of the leg U bolt assemblies 5 16 18 inch using the inner stud of the U bolt To attach each inner leg remove the nut from the inner stud slide the leg over the stud and then tighten the nut finger Leg u bolt assembly Anchor plate Figure 21 Three meter tripod inner leg 6 Loosen the three lock nuts on the bolts on the upper and lower mast tri clamp assemblies Back the three bolts out of the upper and lower mast tri clamp assemblies so that the lower mast section can be slipped down through the upper mast tri clamps and into the lower mast tri clamp with the creased end of mast facing up When the lower mast section is installed hand tighten the upper and lower mast tri clamps Upper mast tri clamp Post level 3rd tripod leg Lower mast A Lower mast U bolt tri clamp ae Figure 22 Three meter tripod lower mast 34 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting 7 Install a Post Level Part M LVA on the lower mast as shown in the previous figure 8 When the tripod is oriented on the site secure one of the three tripod legs to its mounting location and tighten the U bolts on this leg 9 Adjustthe second leg to level in one direction and secure this leg
37. ensor manual to see if your sensor supports measurement averaging e Make sure the Use Before date on the battery housing is at least two years from the current date e Alkaline batteries will lose up to 10 of capacity a year sitting on a hot shelf and can lose up to 50 or more if cooked repeatedly for example stored on a car dashboard Keeping batteries in the refrigerator can reduce self discharge to 1 to 296 per year however be sure to avoid condensation forming on the batteries e Use new batteries if you expect the deployment to require a substantial portion of battery life based on the table above e Batteries are relatively inexpensive don t take a chance with suspect batteries Checking battery status There are two ways to check the battery status of the logger e Check the Bat Low light on the logger This light blinks when the battery has 25 or less capacity remaining 16 HOBO Micro Station User s Manual Chapter 3 Logger operation e Check the status with logger software For alkaline batteries the status is displayed in the percentage of capacity remaining Lithium battery voltage is either listed as good which represents anywhere from 25 to 100 of capacity remaining or empty which represents 0 to 25 of capacity remaining Lithium batteries have a relatively flat discharge curve which means the voltage does not vary much with use until they fail Because of the uncertainty in capacity it
38. er s Manual Chapter 2 Assembly and testing HOBO Micro Station User s Guide 9 Chapter 3 Logger operation Chapter 3 Logger operation This chapter explains key elements of Micro Station operation including Y Definition of logger components Y How to communicate with the logger including launching and reading out Y Guidelines for selecting and installing batteries Y Time accuracy of the logger v Logger memory Logger components The following diagram explains the key parts of the Micro Station Status lights see table in this section for details on each of the seven lights Battery holder with batteries installed and battery strap in place Sensor connection ports where up to four sensors can be plugged in Start logging button use this button when logger is configured to launch with button start Press and hold until all lights flash External connection access port Connector for grounding wire and remote communications optional Communications port used for connecting to a computer or Palm handheld Data access port Figure 1 Micro Station components 10 HOBO Micro Station User s Manual Chapter 3 Logger operation Status lights There are seven lights on the Micro Station that indicate logger activity and status The following table explains the function of these lights Sensor Activity There is activity on the sensor Network activity is defined as communication
39. ger cover must be off to access the button e f you configured the logger to launch in delayed start mode the Delay Start light should be blinking The logger will start automatically at the date time you entered e f you did not set up the logger with a button or delayed start connect the logger to the computer or Palm handheld and launch it See Chapter 3 for details on connecting to the logger and launching 11 Once the logger is launched make sure the OK status light is blinking This indicates the logger is recording data properly You may need to cup your hand over the top of the logger to see the lights in full sunlight 12 Screw on the logger cover if you removed it earlier making sure the desiccant pack is inside the logger enclosure to minimize internal condensation remove desiccant pack from its foil pouch before installing Make sure all logger openings are covered and the sensor dome nut is secure HOBO Micro Station User s Guide 53 Chapter 4 Field setup and mounting 54 HOBO Micro Station User s Manual Chapter 5 Troubleshooting Chapter 5 Troubleshooting The following chart lists common problems you may encounter with the HOBO Micro Station and possible resolutions Individual sensors are not found or are missing in the logger software launch Screen If a sensor is removed and then immediately re inserted it may not be auto detected and therefore will not appear in the launch screen Click the
40. h Mean Time or GMT is the www time gov web site Also be sure to set the correct time zone in HandCar if launching the logger with the Palm handheld e Start up error The logger can lose as much as 2 seconds when it is launched This is a one time error that occurs as part of the start up sequence and cannot be avoided e Clock drift The long term time accuracy is a function of temperature The worst case error is 8 parts per million PPM a week at 25 C which is about 5 seconds per week The error increases as the temperature deviates from 25 C see the figure below If the temperature were a constant 20 C the logger time error could be as much as 35ppm 21 seconds per week I 60 Negative B i Positive A o Seconds per week PPM error Temperature in C Figure 7 Worst case time error Reading out the logger and relaunching it will reset the logger s clock This is useful when your logger has been running for a while and its clock needs to be reset Just be sure the computer or Palm handheld clock is set accurately before relaunching Logger memory The logger uses non volatile memory which means it retains data indefinitely once power runs out Specifically the logger uses a high capacity Flash memory to store data which can retain the data even when the batteries are removed This type of memory is very durable If the logger dies in the field from dead batteries re
41. he batteries were replaced Check the polarity make sure the batteries are installed properly It is possible one cell is reversed Make sure you are using the correct battery type The logger uses four 1 5 volt AA alkaline or lithium batteries The type must be specified in the launch screen for the correct battery status Make sure you aren t using a combination of alkaline and lithium batteries Never mix battery types Check the battery expiration date make sure it is at least two years from the current date Batteries can lose significant capacity if stored at elevated temperatures Check the voltage with a voltmeter Alkaline batteries should be at least 1 5 volt per cell when new lithium batteries should be 1 6 volt per cell HOBO Micro Station User s Guide 55 Chapter 5 Troubleshooting Batteries die prematurely Check for excessive moisture in the logger enclosure Severe and or repeated condensation in the logger enclosure can lead to short circuits and battery failure It may be necessary to add additional sealing and or desiccant to the logger enclosure to prevent condensation e Check to make sure that both the logging and sampling intervals are set for at least 1 minute or greater Sampling Logging intervals faster than 1 minute will rapidly deplete the battery See the section on Estimating battery life on page 16 for more details e Check for damaged wiring and or sensors Damaged cables or connecto
42. he logger is not pre configured up to four sensors of any type or combination can be added simply by plugging them in before logging begins e Digital network The connections between the smart sensors and the logger are digital ensuring accurate reliable data collection and storage Specifications HOBO Micro Station Operating Range 20 to 50 C 4 to 122 F with alkaline batteries 40 to 70 C 40 to 158 F with lithium batteries Sensor Inputs Up to four smart sensors including multiple parameter sensors Communication 3 5 mm serial port Dimensions 8 9 cm H x 11 4 cm D x 5 4 cm W 3 5 x 4 5 x 2 125 inches Weight 0 36 kg 0 8 Ib Memory 512K nonvolatile flash data storage Memory Modes Stop when full wrap around when full Operational Indicators Seven lights provide logging and sensor network status Logging Interval 1 second to 18 hours user specified interval Battery Life 1 year typical use up to 4 sensors with 1 minute or longer logging interval Battery Type Four standard AA alkaline batteries included for operating conditions 20 to 50 C 4 to 122 F optional AA lithium batteries available for operating conditions of 40 to 70 C 40 to 158 F Time Accuracy 0 to 2 seconds for the first data point and 5 seconds per week at 25 C 77 F Data Type Supports measurement averaging based on availability of supporti
43. houldn t be overtightened 11 Remove the desiccant pack from its foil pouch and place inside the logger enclosure to minimize internal condensation 12 Screw the clear cover back onto the case Use a Phillips head screwdriver to tighten the four cover screws HOBO Micro Station User s Guide 7 Chapter 2 Assembly and testing Testing the logger It is recommended that you test the logger before setting it up in the field To test the logger 1 Use a slotted screwdriver or small coin to unscrew the data access port cover Data access port cover 2 Insert the PC interface cable through the data access port and plug it into the communications port on the logger PC interface cable plugged into communications port 3 Using the logger software select the Launch icon 4 Make sure all the sensors you plugged in are visible in the Launch screen 5 Choose a logging interval of a few seconds so that your test will yield enough data to look at Select the Start Logging Now option and click the Start button to launch the logger 6 Aftera couple of minutes read out the logger You can choose to either stop the logger and read it out or let it continue logging while reading out 7 Check the data and make sure it appears normal for all sensors For more details on launching and logger operation see Chapter 3 For information on mounting the logger and setting it up in the field see Chapter 4 8 HOBO Micro Station Us
44. ical power lines overhead Do not install the system during any atmospheric electrical activity Do not assemble or transport tripods mounting poles or other structures unless there is sufficient clearance from potential electrical sources or other obstructions WARNING Do not climb on or around the tripod if using The Micro Station and any of its associated hardware towers poles etc are not designed to support the weight of a person Injury may result WARNING If using stakes to stabilize the tower ensure that there are no underground wires or pipes under the Micro Station WARNING Do not use weather station as part of a critical control system This system is not intended to be a fail safe mechanism for anticipating life threatening conditions such as flash floods rrr p C The CE Marking identifies this product as complying with all relevant directives in the European Union EU 2003 2004 Onset Computer Corporation all rights reserved Printed in the USA Part DOC H21 002 Doc 7645 B Onset HOBO BoxCar and HandCar are registered trademarks or trademarks of Onset Computer Corporation Palm is trademark of Palm Inc All other trademarks are the property of their respective companies ii HOBO Micro Station User s Manual Table of Contents Chapter 1T Introduction irent nette aaeain iaa aderidi sa 1 DPECIICALIONS EE 1 How to use this manual esee inee erede deep dle renden
45. ime When removing the probe from the soil do not pull it out of the soil by the cable Doing so may break internal connections and make the probe unusable Mount the 4 20 mA or 0 5 volt input adapters To mount the 4 20 mA or 0 5 Volt input adapters use the self adhesive hook and loop tape to mount the input adapter on top of the battery cover If another sensor is already mounted on the battery door then use the back of the logger enclosure door Refer to the sensor manual for more information on how to use the input adapter Mount the pulse input adapter To mount the pulse input adapter secure the adapter housing to the mast or sensor mounting arm Coil excess cable and secure it with cable ties When making a connection to a third party sensor take time to make sure the connection is reliable and is protected from rain dirt and direct exposure to the elements The input cable can be connected directly to screw terminals on the sensor or to sensor cables with wire nuts To use the wire nuts strip about 1 cm 3 8 inch of insulation from the end of the wires taking care not to nick the metal conductors Twist the stripped wires together clockwise and then screw on the wire nut clockwise Check the connection by gently pulling on the wires to verify a solid mechanical connection Always strain relief the connection to make sure that it is not broken by being jerked or repeatedly worked back and forth Refer to the sensor manual for more info
46. ing To install the temperature sensor into the solar radiation shield Remove the bottom three shield plates by removing the three wing nuts Install the temperature sensor using the small black loop clamp washer and screw see Figure 31 Feed the cable out through the third and fourth shield plates see Figure 32 Replace the bottom three shield plates Threaded rod self tapping screw Loop clamp Temp RH sensor Temperature sensor cable Figure 31 Temperature sensor inside solar radiation shield 2 Mount the white solar radiation shield assembly onto the upper mast using the two U bolts provided see the figure below 3 Position the solar radiation shield to the desired height and tighten the U bolt assemblies Optimum orientation of the solar radiation shield is to face it into the direction of the predominant wind Solar radiation shield bracket A d U bolt assembly Solar radiation shield AS Sensor cable EIS Upper mast Figure 32 Solar radiation shield attachment 44 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Soil moisture sensor installation instructions This sensor measures the water content in the space immediately adjacent to the probe surface Air gaps or excessive soil compaction around the probe can profoundly influence soil water content readings
47. is recommended that you start new launches with fresh lithium batteries that you know are at 100 rather than relying on old ones Itis always recommended that you read out the logger before replacing batteries If you replace the batteries while the Micro Station is logging it will stop recording data The data will not be overwritten however until the next launch Adding and removing sensors Smart sensors plug into the logger and collect data about various weather parameters Before you bring the logger and sensors to the field it is important that you gather and test all the sensors Specifically you should e Plug in all the sensors you plan to use e Make sure they are communicating and e Make sure the readings are valid To add a sensor simply plug it into a sensor port on the logger Follow these guidelines when adding Sensors e Never add or remove sensors while the logger is recording data Sensors should only be added while the logger is stopped when configuring the launch parameters with logger software or after configuration but before the start of logging in Delayed Start or Button Start modes for more information on these modes see the Launching section on page 14 e Any sensors added while the logger is recording data will be ignored Logging will continue normally for other sensors If a sensor is removed while logging the Sensor Error status light will blink when the next logging interval is reached The data for
48. ize level and secure the tripod on firm ground It may be necessary to adapt the installation to the existing site conditions as necessary for example if mounting the tripod on ice or rock you may need to use a masonry clamp to secure it HOBO Micro Station User s Guide 27 Chapter 4 Field setup and mounting Field preparation checklist Use the following checklist to make sure you have all the necessary materials for setting up a Micro Station with accessories from the HOBO Weather Station family of products v Task Check that you received all the parts for your Micro Station system as ordered Configure the logger Set up the logger for launch install batteries and battery strap For details see Chapters 2 and 3 If you are using the External Grounding Wire Adapter Cable or External Communication Port Adapter Cable install them now See the instructions on page 23 and 25 respectively If you opened any parts Double check the packing lists to make sure you havent lost any pieces If you are using the Mast Mounting Kit mount the logger now See the instructions on page 23 If you are using the Solar Radiation Shield Set up the Temperature and Temperature RH sensors There are several small pieces required to connect these sensors to the shield that could easily get lost in the field It is strongly recommended you install these sensors in the solar radiation shield before going to the field See page 43
49. l number on the cable associated with each measurement location so you can interpret the data later Rain gauge installation instructions For the most accurate rainfall measurements it is recommended that you mount the rain gauge upslope about 3 meters 10 feet away from the tripod on a 1 5 meter high mounting pole Part M MPB Alternatively you can mount the rain gauge on the tripod mast This section includes steps for both configurations If mounting the rain gauge on a separate pole Secure the rain gauge to the separate mounting pole using the two hose clamps provided see the instructions on the next page This separate mounting pole can either be pounded in the ground or mounted in concrete depending on how firm the ground is In either case be sure the pole is vertical when you install it The top of the pole should be slightly less than the height desired for the top of the rain gauge 1 meter or 3 feet is typical 40 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Hose clamps Rain gauge sensor cable Figure 27 Rain gauge on separate mounting pole If mounting the rain gauge on the tripod mast Secure the rain gauge near the top of the mast on the side opposite the cross arm using the two hose clamps provided Rain gauge sensor cable Figure 28 Rain gauge on the tripod mast 1 Open each hose clamp and place it around the mast 2 Close the hose clamps until the rain gauge side b
50. ng data from sensor Logger Start Modes Immediate push button or delayed start options HOBO Micro Station User s Guide Chapter 1 Introduction HOBO Micro Station Data Communication Current reading while logging offload while logging or offload when stopped Environmental Rating Weatherproof Mounting Mount vertically on flat surface 18 cm 3 5 inches or wider optional mast mounting kit for use on 4 1 cm 1 5 8 inches diameter masts Enclosure Access Cover secured by four screws Sensor Network Cable 100 m 328 ft maximum Length Part Number H21 002 This product meets CE specification EN61326 criterion C for ESD criterion C for Radiated Immunity criterion B for Fast Transient criterion A for Conducted Immunity and criterion A for Power Frequency Magnetic Fields To minimize measurement errors due to ambient RF use the shortest possible probe cable length and keep the probe cable as far as possible from other cables C Specification How to use this manual This manual walks you through the steps of setting up operating and maintaining the HOBO Micro Station Use this manual to learn how to e Assemble the logger and perform an initial test e Operate the logger e Setup the Micro Station in the field e Troubleshoot problems e Maintain the Micro Station and get service and support It is important that you test your system using the steps in Chapter
51. od lower mast There are two types of tripods available the 2 meter Part M TPB and 3 meter Part M TPA The 2 meter instructions begin on this page The 3 meter instructions begin on page 33 2 meter tripod lower mast assembly instructions 1 Open the 2 meter tripod and place it in an upright position 2 Usinga 1 2 inch wrench build six nut and bolt assemblies 5 16 18 like the one shown below Bolt Figure 16 Nut and bolt assembly 3 Take one of the nut and bolt assemblies and insert it through a tri clamp hole with the bolt head facing outward 4 Loosely install a nut on the bolt to the inside of the tri clamp Figure 17 Tri clamp and bolts 5 Install the remaining five nut and bolt assemblies in the same manner for both upper and lower tri clamps Make sure the bolt assemblies on the upper and lower mast tri clamps leave enough room for the lower mast section to slip through 6 Slide the lower mast from the top into the tri clamps with the creased end of the mast facing up see Figure 18 The creases on the lower mast should face north and south HOBO Micro Station User s Guide 31 Chapter 4 Field setup and mounting 7 Tighten the tri clamp bolts by hand so that the mast is temporarily locked into position Note The lower mast can rest on the ground at this time You will adjust the height of the lower mast later l m cd Lower mast m d 2 Meter tripod Tri clamps Figure 18 Two meter tripod and
52. ogger to a 4 1 cm 1 5 8 inch diameter mast such as the optional 1 5 m mast Part M MPB or 2 m tripod Part M TPB and 3 m tripod Part M TPA The tools required to mount the logger to a mast are e 1 2 inch wrench e Phillips head screwdriver e Mast Mounting Kit Part M MKA which includes one mounting plate two 1 5 8 inch U bolt assemblies and four 6x38 flat head screws Follow these instructions 1 Unscrew the clear cover on the logger 2 Place the four screws provided in this kit through each of the four holes next to the screw holes used to attach the clear cover Screw in the four screws through the inside of the case to the mounting plate 3 Using the two 1 5 8 inch U bolt assemblies and the mounting plate mount the logger upright to the mast Place the U bolts around the mast and install the saddle clamps Place the logger mounting plate against the saddle clamps and screw on the U bolt hex nuts 4 Screw the cover back on the logger when done b Insert four screws in holes to mount logger to the plate Mounting plate from optional i Mast Mounting Kit U bolt saddle clamp i U bolt mast not shown Figure 11 Mounting the logger with the Mount Kit U bolt hex nut Connecting the External Grounding Wire Adapter Cable An External Grounding Wire Adapter Cable Part CABLE HWS G is required if you will be using a wind speed or wind speed and direction sensor with the logger or if the l
53. ogger will be placed in an exposed location on a tripod or tower The tools required to connect the External Grounding Wire Adapter Cable are e Small coin or slotted screwdriver HOBO Micro Station User s Guide 23 Chapter 4 Field setup and mounting e Phillips head screwdriver e Crescent wrench Follow these instructions 1 Use a slotted screwdriver or small coin to unscrew the external connection access port cover External connection access port cover Figure 12 External connection access port on logger 2 Insert the cable through the external connection access port Screw in the fitting to seal the hole Hand tighten the fitting and then tighten an additional 4 to 4 turn with a crescent wrench 3 Plug the cable into the connector Note that the cable can fit into the connector in one direction only Hand tighten the dome nut and then tighten an additional turn with a crescent wrench 23 2 Insert the cable through the hole and then screw in this fitting as shown here mo Dome nut Plug grounding wire into this connector Figure 13 Grounding wire plugged into logger 24 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting 4 Connect the grounding wire to a clamp on the mast or tripod 5 Screw the logger back on the logger Connecting the External Communications Port Adapter Cable An optional External Communications Port Adapter cable Part CABLE HWS F is avail
54. ote Modem or serial cable 5 Connect the grounding wire to a clamp on the mast or tripod 6 Screw the cover back on the logger 26 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting 2 or 3 meter tripod system setup optional This section explains how to set up the Micro Station using the tripod masts and other optional accessories from the HOBO Weather Station family This includes e Guidelines for a tripod system setup e Field preparation checklist e Steps for setting up the 2 or 3 meter tripod system Guidelines for a tripod system setup In addition to the Guidelines for a typical field setup on page 21 adhere to the following guidelines for using the Micro Station with a tripod e If you will be using a rain gauge or wind sensor select a location away from trees and buildings Place the rain bucket at a distance away from obstructions that 1s equal to at least three times the height of the nearest tree building or other obstruction and the wind speed wind direction sensors at a distance away from obstructions that is equal to at least five times the height of the obstruction e WARNING Severe shock hazard Do not set up the Micro Station near power lines Contact between the Micro Station and power lines may result in a shock electrocution or death e For areas with winds greater than 50 mph to stabilize a tall mast or if the rain gauge is attached to the top of the mast use the Guy Wire
55. place rusty parts as necessary Cleaning the Micro Station The logger enclosure does not require regular cleaning However it is recommended that in dusty locations you regularly clean these items HOBO Micro Station User s Guide 57 Chapter 6 Maintenance support and service e Solar radiation shield Wash with soap and water Dirt cobwebs obstruct air flow Discoloration can cause increased solar absorption which can result in increased errors Do not get the temperature RH sensor wet see the temperature RH sensor manual for instructions on cleaning it e Light sensor Make sure the drain hole is not plugged If you need to clean the sensor head see the sensor manual for details and cautions on proper cleaning e Rain gauge Make sure there are no leaves or debris in the collector Make sure the funnel is not plugged use a cotton swab 1f necessary to clean e Anemometer on wind speed sensor Make sure the cups do not have any dirt dust cobwebs Spray bearing with a light oil e Anemometer on wind speed and direction sensor Apply a couple drops of 3 in 1 oil or other motor oil to the bearings on the vein and anemometer e Logger enclosure Remove dust with compressed air Do not get water inside the enclosure e Tower Hose with fresh water if necessary Checking the desiccant pack The desiccant pack included with the Micro Station is an indicating desiccant pack which means it changes color from blue to pink when it is no
56. place them and read out the logger immediately Do not relaunch the logger until the data has been recovered If your logger is damaged contact Onset Computer because there is a chance the data can be recovered Refer to Chapter 6 for information about returning loggers for data recovery The logger contains 512K bytes of memory Up to 10K of this memory is used to store the launch configuration and deployment notes leaving at least 502K bytes for data storage The logger software 18 HOBO Micro Station User s Manual Chapter 3 Logger operation automatically estimates how long the logger will record data until the memory is full the run time based on the logging interval and the number and type of sensors connected In general adding sensors decreases running time while increasing the logging interval increases running time In most applications battery life limits the duration of the data logging before memory capacity The following figure shows the expected run time for several logging intervals based on the total number of bits in place which is determined by adding together the bits per sample for each sensor measurement parameter in your system For example a Micro Station with the following sensors is using 56 total bits 1 Temperature X 8 8 1 Wind Speed X 16 16 2 Temperature RH X 16 32 Total number of bits 56 At a logging interval of 5 minutes the memory run time for a Micro Station using 56 bits would be approxim
57. racket easily slides into the clamp 3 Hold the rain gauge bracket against the mast with the top of the rain gauge above the top of the mast 4 Slip the upper clamp over the side bracket and tighten the clamp until the rain gauge is secure Note Be sure the collector is above the top of the mast so you don t get any splashing wind shedding or shadow effects HOBO Micro Station User s Guide 41 Chapter 4 Field setup and mounting 5 Install the lower clamp and check that the top of the bucket is level Note For windy locations it is recommended that you use the Guy Wire Kit Part M GWA to reduce vibration and ensure data collection accuracy installed later Light sensor installation instructions 1 Position the light sensor on top of the light sensor bracket Part M LBA slot with its cable running through the slot in the bracket 2 Using the two screws and lock washers supplied attach the sensor to the bracket through the two holes on either side of the slot Note Do not completely tighten the screws until you level the sensor 3 Position the bracket so it faces opposite the dimple on the upper mast This will position the sensor so it will be facing south in the northern hemisphere minimizing the chance of shading 42 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting 4 Mountthe light sensor bracket on the upper mast with the two U bolt assemblies mounting it high enough on the mast to
58. rmation on how to use the pulse input adapter HOBO Micro Station User s Guide 45 Chapter 4 Field setup and mounting Step 6 Mount the upper mast to the lower mast This section explains how to attach the upper mast to the lower mast of the tower If you already performed this step go to Step 7 Mount the logger enclosure to the upper mast It is recommended that two people work together to attach the upper mast to the lower mast 1 Lightly grease the creased upper end of the lower mast 2 While holding the upper mast securely cut the cable ties that were temporarily holding the upper mast to the lower mast 3 Slide the upper mast onto the lower mast with the dimple going into the crease and oriented north if you are in the northern hemisphere and south if you are in the southern hemisphere 4 When the upper and lower masts are aligned install the 1 5 8 inch U bolt assembly onto the upper mast placing it just above the dimple about 2 5 cm or 1 inch from the upper mast bottom Tighten the clamp Upper mast U bolt assembly seed Upper mast overlapping the lower mast Upper mast dimple facing north in northern hemisphere Lower mast Lower mast crease Lower mast tri clamp Figure 33 Upper and lower mast assembly If you haven t attached the cross arm and wind sensor See the instructions in Step 4 Mount the cross arm and wind sensor If you are using the 2 meter or 3 meter
59. rs can result in complete or partial sort circuits that will rapidly drain batteries No status lights are e The lights are very faint In direct sunlight shield the sun and check again flashing e Make sure the batteries are not dead Batteries should have at least 1 volt per cell e The memory may be full Read out offload data from the logger and re launch e The logger may not have been launched Check the status with the logger software OK status light is not Make sure the logger is launched If you configured the logger to launch with a flashing delayed start check the date and time you selected and make sure the Delay Start light is flashing If you configured the logger to launch with a button start press and hold the button on the logger for a second until all the lights flash Data file contains errors If you are missing data for a particular sensor check that the sensor was properly installed Remove and re insert the sensor and check that it can take current readings If you find that it is not communicating it may be a bad sensor Contact your Onset dealer or Onset Computer Corporation Data file can t be opened The data file may have become corrupted In rare circumstances the data file may have errors Offload the logger again and try opening the file again If that does not work contact your Onset dealer or Onset Computer Corporation Logger is not found e Check and replace the batteries e Check comm
60. st Items required To configure the Micro Station you will need the following One to four smart sensors Phillips head screwdriver Slotted screwdriver or small coin Pen pencil or other blunt instrument Adjustable 8 inch or 10 inch crescent wrench Utility or pocket knife PC interface cable included with logger software Computer with logger software installed Logger and smart sensor setup instructions 1 Insert four AA alkaline or lithium batteries For more details on which type of batteries to use see the Selecting and installing batteries section in Chapter 3 on page 15 2 Place the battery strap on the batteries Battery strap HOBO Micro Station User s Guide 5 Chapter 2 Assembly and testing 3 With a crescent wrench remove the dome nut from the stuffing gland in the sensor port Dome nut Stuffing gland slit insert Stuffing gland on sensor port 4 Push the slit insert out from the inside of case You may need to push the slit insert out using a pen capped end pencil eraser end or other blunt instrument 5 Some sensors have an anti snag device on the connector as shown below If any of your sensors has this device check that the connector fits through the stuffing gland Anti snag device on some external sensor connectors pM ht If the connector does not fit through the stuffing gland you will need to trim the anti snag device with a knife so that the connector looks like th
61. st and install the saddle clamp Place the logger against the saddle clamps and screw on the top U bolt nuts only Mounting plate Logger Mast dimple Figure 34 Logger on mast 3 Ifyou are using the Guy Wire kit position the logger enclosure so that it will not be in the way of guy wires 4 Ifyou are using the External Grounding Wire Adapter Cable or External Communications Port Adapter Cable see page 23 and page 25 respectively attach the grounding wire to the mounting plate U bolt Screw on the lower U bolt nuts and then tighten all the U bolt nuts HOBO Micro Station User s Guide 47 Chapter 4 Field setup and mounting Step 8 Install the Guy Wire Kit If you are not the installing Guy Wire Kit Part M GWA skip to Step 9 Final positioning and leveling of sensors If you are using the 2 meter tripod you will need to attach the guy wires to three 1 2 inch stakes Part M SKA which should be spaced evenly around the tripod at a distance of 3 to 4 m 10 to 13 ft from the mast 1 If you haven t already done so attach the upper mast tri clamp to the upper mast Orient the eyebolts on the upper clamp so they align with each tripod foot or a 1 2 inch stake 2 Attach one end of the guy cable to one eyebolt on the upper mast tri clamp Open the wire clamp by loosening the screw on it Place the clamp over the wire and tighten Leave 2 5 cm 1 inch of wire protruding from the clamp Eyebolt Upper mast
62. t dde nde dis 2 Smart sensors supported ssssssssssssssssseeeeneemenenen nennen 2 Chapter 2 Assembly and testing eene 5 Items required m ce ET rero rere em eet en d 5 Logger and smart sensor setup instructions 5 Testing the logger cer enr teet dre ER ose 8 Chapter 3 Logger operation eeeseeeeeneneeeenenenenennn nnne nnne nnns 10 Logger components 1 3 ced eed e adi d dere Le rud duda ened 10 CHIC MP 11 Communicating with the logger sssseee emm emen 12 Launching iS nC tet tar etos a i 14 Selecting and installing batteries ssssem em 15 Estimating battery life esses ss sssi iiia aeee nennt then nnn niin na nnne nnn 16 Checking battery status spreyini niorir enerne isi re riika OE rer than ensis nnn 16 Adding and removing sensors sssssseeee enne nennen 17 TIME ACCU ACY m M 17 Logger MEMOLY deron cedenntun decem tenu 18 Chapter 4 Field setup and mounting eeeeseeeeeeeeeeerene 21 Guidelines for typical field setup ssssssssseeeeeen 21 Mounting instructions for a flat surface ssssessemm 22 Using Micro Station accessories ssssssssee emen 22 Mounting the logger with the Mast Mounting Kit sse 23 Connecting the External Grounding Wire Adapter Cable
63. t extending below the lower tri clamp 2 Make sure the upper mast dimple is still facing north if in northern hemisphere and then re tighten the tri clamps Once the tri clamp bolts are tight tighten the lock nuts to lock the bolts in place This requires two wrenches one to hold the bolt and one to tighten the lock nut against the tri clamp 3 Loosen the bolt on the wind sensor mounting rod and raise or lower it as necessary so the center of the wind sensor anemometer cups is at the desired height Re tighten the bolt HOBO Micro Station User s Guide 39 Chapter 4 Field setup and mounting Step 5 Install other smart sensors This section explains how to install the following sensors Rain Gauge page 40 Light page 42 Temperature or Temperature RH page 43 Soil Moisture page 45 4 20 mA or 0 5 Volt Input Adapter page 45 Pulse Input Adapter page 45 If you are not installing any of these sensors skip to Step 6 Mount the upper mast to the lower mast on page 46 Guidelines for installing sensors If running cables along the ground we recommend running them through conduit to protect them from animals some animals like to chew on the cables lawn mowers and being tripped on For information on protecting the sensors properly refer to the Sensor Manuals Leave enough slack in the cables so that they can be routed into the logger If you are deploying multiples of the same sensor type be sure to note the seria
64. ters of notes about the launch 14 HOBO Micro Station User s Manual Chapter 3 Logger operation Reading out data You can read out data offload the Micro Station with logger software Connect to the logger as described in Communicating with the logger on page 12 and then read it out If the Micro Station is logging you can choose to either stop the logger before reading out or let it continue logging while reading out Readout speed depends on the method used to connect to the logger and the device being used Typically a readout via PC interface cable with the computer will take about six minutes for a full Micro Station 512K of data A full logger readout via the Radio Modem or Remote Modem may take up to 20 minutes and 30 minutes with a Palm handheld For more details on logger capacity see Logger memory later in this chapter Selecting and installing batteries The Micro Station requires four 1 5 volt AA batteries The logger is shipped with four alkaline batteries but it is also compatible with lithium batteries For most applications alkaline batteries are the preferred solution because e They are relatively inexpensive e The battery gauge in the logger software will provide an accurate battery status e They have slightly more usable capacity than 1 5 Volt lithium batteries in temperate environments In cold applications below 0 C 32 F and hot applications above 40 C 104 F lithium batteries will generally ou
65. tion explains how to attach the cross arm and wind sensor to the upper mast It is recommended that you use the cross arm to mount the wind sensor because it keeps this sensor away from other sensors that could cause wind turbulence or wind shadows It is also the best way to ensure the sensor is vertical If you are not installing a cross arm proceed to Step 5 Install other smart sensors To mount the cross arm 1 Attach the cross arm to the upper mast using the two 1 4 20 x 2 3 4 inch hex head bolts Mount the cross arm on the side opposite the dimple at the bottom of the upper mast with the word TOP on the upper surface of the cross arm 2 Pass the two bolts with flat washers on them through the two holes on the cross arm and through the two holes at the top of the upper mast Install a nylock nut on each bolt Do not securely tighten the bolts yet 3 Install the mast plug into the upper mast top with the slot facing down and going over the two bolts Note After the mast plug is installed it should be flush with the top of the mast 4 Tighten the two nuts equally Mast plug not inserted yet Half cross arm Upper mast Figure 25 Half cross arm setup is same for full cross arm To mount the wind sensor on the cross arm Note Although the wind sensor is designed to operate in 100 mph winds it can be damaged with improper handling Store the sensor in its shipping box until you are ready to install
66. tperform alkaline batteries Alkaline batteries will still work in temperatures ranging from 40 to 50 C 104 to 122 F and from 20 to 0 C 4 to 32 F however they may not be the best choice At temperatures lower than 20 C 4 F and higher than 50 C 122 F alkaline batteries are unsuitable use lithium instead If the temperature is variable across the extremes use lithium batteries Use the following figure to help you choose the battery type based on the expected temperature range in your deployment 40 C 30 C 20 C 10 C 0 C 10 C 20 C 30 C 40 C 50 C 60 C 70 C A ELE EEE Lithium UL LL Z Alkaline 40 F 22 F 4 F 14 F 32 F 50 F 68 F 86 F 104 F 122 F 140 F 158 F Recommended in this Var Works in this temperature temperature range range but not best choice Figure 6 Recommended battery type based on temperature Notes e The logger is not designed to run with rechargeable or Carbon Zinc Heavy Duty batteries e Using battery types other than 1 5 Volt alkaline or lithium may result in poor battery performance and erroneous battery state indication WARNING Fire Explosion and Severe Burn Hazard Do not mix battery types either by chemistry or age batteries may rupture or explode When replacing the HOBO Micro Station User s Guide 15 Chapter 3 Logger operation batteries
67. tripods and the wind sensor You can adjust the wind sensor to a height suited for your needs Adjust the height by raising and lowering the entire mast the wind sensor on the cross arm or a combination of both 1 Loosen the tri clamp bolts and raise or lower the entire mast so that the wind sensor is close to the desired height Make sure there is at least 5 cm 2 inches of mast extending below the lower tri clamp 2 Make sure the upper mast dimple is still facing north if in northern hemisphere and then re tighten the tri clamps Once the tri clamp bolts are tight tighten the lock nuts to lock the bolts in place This requires two wrenches one to hold the bolt and one to tighten the lock nut against the tri clamp 3 Loosen the bolt on the wind sensor mounting rod and raise or lower it as necessary so the center of the wind sensor anemometer cups is at the desired height Re tighten the bolt 46 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Step 7 Mount the logger enclosure to the upper mast 1 Install the Mast Mounting Kit See instructions on page 23 2 Using the two 1 5 8 inch U bolt assemblies provided mount the logger with mounting plate on the lower end of the upper mast in line with the upper mast dimple The bottom U bolt on the mounting plate can be placed directly above the U bolt holding the mast pieces together Note When assembling the U bolts place the U bolts around the upper ma
68. u are trying to minimize the size and visibility of the Micro Station Mounting instructions for a flat surface You can mount the Micro Station to a flat surface without any optional accessories To mount the logger to a flat surface such as a 2x4 pressure treated stud or plank you will need e Phillips head screwdriver e Four Phillips head screws shipped with logger Follow these instructions 1 Remove the clear cover from the case 2 There are four holes next to each of the four screw holes used to attach the clear cover as shown below Screw in the four Phillips head screws through the inside of the case into the flat surface Use the dimensions in Figure 10 for determining where to drill holes on the mounting surface lt _ 90 mm 3 5 inches gt __ 60 mm gt 2 37 inches lt 103 mm 4 06 inches 4 114 mm 4 5 inches gt Figure 9 Holes for mounting logger Figure 10 Dimensions for mounting pattern 3 Replace the clear cover Using Micro Station accessories This section explains how to use the following accessories with the Micro Station e Mast Mounting Kit e External Grounding Wire Adapter Cable e External Communications Port Adapter Cable 22 HOBO Micro Station User s Manual Chapter 4 Field setup and mounting Mounting the logger with the Mast Mounting Kit An optional Mast Mounting Kit Part M MKA is available for mounting the l
69. unications cable connections 56 HOBO Micro Station User s Manual Chapter 6 Maintenance support and service Chapter 6 Maintenance support and service This chapter explains Y Recommended maintenance for the Micro Station v Who to contact for support v Warranty information v Return repair and service policies Maintenance Regular maintenance on the HOBO Micro Station is essential because it extends the life of the components and helps to ensure the accuracy of recorded measurements When the Micro Station is deployed in the field potential damage can come from numerous sources such as rodents birds vandals and heavy storms Periodic check ups in the field allow you to e Check that the station is still set up and functioning as you intended e Check for damage e Minimize the impact of any damage found This is particularly important if the Micro Station is being deployed for a long period of time such as several months or a year Regular checkups will help ensure that you are continuing to gather data as expected Performing a visual inspection Periodically perform a visual inspection of the Micro Station tower and logger enclosure Check that e Cables and wires are not damaged cracked cut split or broken e All the screws and bolts are tightly secured e The mast is still level if in use e The ground attachments are fastened to the tripod and logger if in use e There is no excess rust re

HOBO Micro Station User's Guide - ED Service

Contents

Download Pdf Manuals

Related Search

Related Contents