Hydrolab, DataSonde, and MiniSonde Multiprobes
Contents
1. s manuals or the Electronic Data Solutions Hydrolab Maintenance and Calibration Workshop Training Manual Consult the appropriate manual for a complete guide of the proper use calibration maintenance storage deployment and troubleshooting of Hydrolab sondes For information on using rhodamine TDG and other nonstandard sensors please consult the appropriate Hydrolab manual or Hach s website at http www hydrolab com or contact a Hydrolab custodian 2 0 Applicability 2 1 This SOP must be followed when using Hydrolab sondes Hydrolab equipment is expensive and must be treated and maintained carefully Anyone not following proper procedures is subject to losing rights to future use 3 0 Definitions 3 1 Calibration To standardize or correct sensors after determining by measurement or comparison with a standard the correct value 3 2 Conductivity A measure of the ability of water to pass an electrical current This parameter indicates the amount of dissolved substances salts present in the water X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP_SOP_Hydrolab_v1_0 doc_6 19 2007_Page 4 3 3 3 4 3 5 3 6 3 1 3 8 3 9 3 10 3 11 4 0 4 1 5 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 D O Dissolved oxygen in water measured in mg per liter D O The percent saturation of dissolved oxygen in water Multiprobe The combination of several sensors probes or probe assemblies into a complete stand alone piec2. and this doesn t seem to work try a different COM Box Opens COM 1 Properties Bits per second 19200 Data bits 8 Parity NONE Stop bits 1 Flow Control Xon Xoff You will now be connected At the bottom of the window it might say Connected 0 00 xx with a clock counting Disconnect click the phone off the hook button or menu Call Disconnect Click menu File Properties The Connect To tab has the same box as Item 3 above The Configure button will give you the same box as Item 4 above In the Properties box click the Settings tab Under Emulation select ANSI You should now be able to connect and talk to the Hydrolab File Handling Please see any of the Hydrolab manuals mentioned in section 1 0 for detailed instructions on how to create transfer download and delete data files Records Management Reservations for all Hydrolab equipment are made at Y SHARED Files WES Section Hydrolab Training will cover how to do this properly Quality Control and Quality Assurance Section Sondes should be calibrated before each use and post calibrated using standards afterward When traveling from site to site make sure the sonde s probes are kept moist so they don t dry out and become inaccurate Although Hydrolab equipment is robust and made for heavy field use it should be handled carefully at all times X EA PROGRAM ECYEAP
3. stirrer is turned off and the calibration cup is attached Rinse the probes a minimum of three times with deionized water then at least once with a small amount of the standard you are using Discard and shake out Clamp the sonde to the support stand and slowly pour the calibration standard over the probes Make sure the standard covers every probe on the sonde because they make references to each other Always discard used conductivity standard after each use It goes bad very quickly especially the 100 uS standard Opened conductivity standard bottles should not be kept longer than two weeks pH 9 15 low ionic strength solution fouls quickly as well so check it against a new bottle if you ve used it several times or if it s been opened and stored longer than one month Other standards should be carefully checked for expiration dates and possible fouling before each use Recommended Calibration Order Conductivity 0 then your standard bracket expected field readings if possible pH 7 then 10 or 4 bracket expected field readings if possible D O Depth if necessary Temperature is factory calibrated TDG if needed Calibration Procedures X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 6 6 1 5 1 6 1 5 1 1 6 1 5 1 2 6 1 5 1 3 6 1 5 1 3 1 6 1 5 1 3 2 6 1 5 1 4 6 1 5 1 5 6 2 6 2 1 6 3 6 3 1 6 3 1 1 Start by cleaning the sonde see section 6 3 C
4. O sensor to equilibrate Take two water samples from the bath and run Winkler titrations Calibrate the sonde to the average of the two Winkler values Depth Make sure nothing is blocking the depth port and calibrate to zero prior to use Temperature is already factory calibrated and cannot be recalibrated Field Use Methods for profiling spot sampling or long term deployment vary and will be discussed during training Basic methods are described in the Hydrolab user s manual Tips for collecting more precise and accurate data while in the field are located at Y SHARED Files WES Section Hydrolab Cleaning Clean all probes before and after each use Gently wipe the D O membrane with a cotton swab to remove any residue or oily build up X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 7 6 3 1 2 6 3 1 3 6 3 1 4 6 3 1 5 6 3 1 6 6 3 1 7 6 4 6 4 1 6 5 6 6 6 6 1 6 6 2 Gently wipe the glass pH probe If it s really dirty a soft toothbrush may be used Do not use alcohol There is no need to clean the white reference probe unless it s visibly dirty Do not use alcohol Firmly wipe the conductivity electrodes with a cotton swab Alcohol may be used if necessary Remove all iron shavings from in and around the stirrer Wipe down and rinse everything else and make sure there are no problems for the next user If you run into problems or something doesn t wor
5. PROGRAM ECYEAPSOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 3 Environmental Assessment Program Standard Operating Procedures for Hydrolab DataSonde and MiniSonde Multiprobes Introduction DataSondes and MiniSondes are water quality multiprobes used by the Environmental Assessment Program EAP to measure pH dissolved oxygen D O D O percent saturation conductivity temperature depth rhodamine dye concentration and total dissolved gas TDG data They can be used for short term spot sampling as the user moves from site to site throughout the course of a day depth profiling or long term unattended monitoring at specified time intervals Currently EAP does not use Hydrolab sondes to gather turbidity ammonium chloride nitrite or redox data but these nonstandard sensors are available through Hach Hydrolab if necessary Reservations for all Hydrolab equipment must be made on Ecology s Y drive Required Hydrolab training covers how to do this properly Equipment information and specifications are also on the Y drive Go to Y SHARED Files WES Section Hydrolab to find both of these folders 1 0 Purpose and Scope 1 1 This document is the Environmental Assessment Program EAP Standard Operating Procedure SOP for using Hydrolab DataSondes and MiniSondes 1 2 The information hereafter should be used for quick reference and additional information and is not a substitute for the Hydrolab user
6. SOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 10 8 4 9 0 9 1 9 2 9 3 9 4 10 0 10 1 10 2 10 3 11 0 11 2 11 3 11 4 Further quality control and quality assurance procedures will be addressed thoroughly on a project by project basis in the Quality Assurance Project Plan for the project Safety Conductivity and pH standards are nontoxic but can irritate eyes and other sensitive areas because of their high salt content Wash hands thoroughly after calibration or after use in contaminated waters When using a sonde in the field be aware of your surroundings Select an area in which you feel safe and secure from water and land hazards For further field health and safety measures please refer to the EAP safety manual Theft Hydrolab sondes deployed in small creeks and clear rivers are easily seen To avoid problems with theft and vandalism hide them carefully Deploy sondes upstream or downstream of public access areas private property or places where boaters and swimmers can see them Under overhanging vegetation or behind instream rocks and fallen tress are often good places to hide them as long as water circulation is not limited Do not use large floats or anchors in smaller streams they attract attention Instead note where the sonde is and cover it as much as possible Small cement blocks work well as anchors Ifthe sonde is deployed in a large river floats line and larg
7. Washington State Department of Ecology Environmental Assessment Program Standard Operating Procedures for Hydrolab DataSonde and MiniSonde Multiprobes Version 1 0 Author Trevor Swanson Date Reviewer Karol Erickson Date QA Approval William R Kammin Ecology Quality Assurance Officer Date EAP033 APPROVED June 19 2007 Signatures on File Please note that the Washington State Department of Ecology s Standard Operating Procedures SOPs are adapted from published methods or developed by in house technical and administrative experts Their primary purpose is for internal Ecology use although sampling and administrative SOPs may have a wider utility Our SOPs do not supplant official published methods Distribution of these SOPs does not constitute an endorsement of a particular procedure or method Any reference to specific equipment manufacturer or supplies is for descriptive purposes only and does not constitute an endorsement of a particular product or service by the author or by the Department of Ecology Although Ecology follows the SOP in most instances there may be instances in which Ecology uses an alternative methodology procedure or process X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 2 SOP Revision History Revision Date Rev Summary of changes Sections Reviser s number X EA
8. e of equipment which simultaneously measures several parameters for profiling spot checking or logging readings and data A multiprobe is a multiparameter instrument pH A measure of the hydronium ion concentration of a solution Solutions with a pH less than 7 are considered acidic while those with a pH greater than 7 are considered basic The pH is the negative logarithm of the hydronium ion concentration in solution For example if the hydronium ion concentration is 107 the pH is 7 Post calibration Assessing the performance of a sensor after use by noting the variation from a standard to ascertain necessary correction factors Profiling Lowering a multiprobe through a water column to measure changes in values with depth Rhodamine Rhodamine is a synthetic red to pink dye having brilliant fluorescent qualities It is often used as a tracer in water to determine the rate and direction of flow and transport Rhodamine dyes fluoresce and can thus be measured easily and inexpensively with fluorometers or with a Hydrolab rhodamine probe Sonde Generic term for a water quality multiprobe Total dissolved gas TDG The total pressure of gaseous compounds dissolved in water measured directly in units of mmHg and also expressed as percent of saturation ratio of dissolved gas pressure to ambient barometric pressure Personnel Qualifications Responsibilities You must be on EAP s list of approved Hydrolab users and properly tra
9. er anchors may be necessary See an experienced Hydrolab user for further details If you cannot find a sonde and suspect theft is the cause visit the local police station and fill out a report Ecology has also located lost equipment by running ads in local papers References Electronic Data Solutions 2002 Hydrolab Maintenance and Calibration Workshop Training Manual Electronic Data Solutions Jerome Idaho Environmental Assessment Program 2006 Environmental Assessment Program Safety Manual March 2006 Washington State Department of Ecology Olympia WA Hach Environmental 2007 Hydrolab Homepage _http www hydrolab com Viewed March 27 2007 Pickett Paul 2006 Standard Operating Procedures for Monitoring Total Dissolved Gas in Freshwater Environmental Assessment Program Washington Department of Ecology Olympia WA X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP_SOP_Hydrolab_v1_0 doc_6 19 2007_Page 11
10. hat the manuals can t help you with Hach s technical support line for Hydrolabs 1 800 949 3766 X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 8 6 7 6 7 1 6 7 1 1 6 7 1 2 6 7 1 3 6 7 1 4 6 7 1 5 6 7 1 6 6 7 1 7 6 7 1 8 6 7 1 9 6 7 1 10 Olym Equipment Repair Every sonde will need probe replacement or repair at some time Follow these instructions for sending in sondes to Hach Hydrolab for repairs performance tests and evaluations PT and E probe replacements or any other unsolvable problems you or an OC technician cannot solve Note The following process may change without notice If you are unfamiliar with repairing and shipping Hydrolabs see a Hydrolab custodian or OC technician Go to Hach s Hydrolab website and print off the SERVICE MEMORANDUM Fill it out as directed and then call 1 800 949 3766 Ask for someone to help you get a SERVICE JOB number Put the SERVICE JOB number on the SERVICE MEMO and the DATE you will ship the equipment and fax the SERVICE MEMO to 970 461 3924 Hydrolab will fax you a label to put on the box s you ship to Hydrolab they ll do this right after you get off the phone with them It will include the SERVICE JOB number s on it Include the SERVICE MEMO in each box and write carton of on each box Make sure the SERVICE JOB number is showing Cover up any other labels still on the box so as not to confuse the ship
11. ined to use any Hydrolab equipment A Hydrolab custodian or company representative can help fulfill the training requirement See your supervisor for further details Equipment Reagents and Supplies pH buffer solution low or normal ionic strength Conductivity standard solution Tap and deionized water DataSonde or MiniSonde multiprobe Surveyor deck unit and 5 meter cable Profiling communication cable longer than 5 meters Sonde calibration cup other communication cables charger probe protection cage X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 5 5 8 5 9 5 10 5 11 6 0 6 1 6 1 4 6 1 4 1 6 1 4 2 6 1 4 3 6 1 4 4 6 1 4 5 6 1 4 6 6 1 5 Toolbox containing extra parts o rings screws calibration cups etc soft wipes cotton swabs silicone grease pH reference solution ethyl alcohol D O probe electrolyte and membranes small scissors Phillips and flathead screwdrivers toothbrush pliers crescent wrench tweezers electrical tape AA and C batteries Allen wrenches for outer case and battery compartment and other miscellaneous supplies TDG calibration kit pressure gage custom fittings and calibration cup spare membranes and tools Laptop and HyperTerminal if applicable Hydrolab manuals Summary of Procedure Calibration Note TDG calibration procedures are discussed in detail in a separate SOP Pickett 2006 Make sure the sonde
12. k properly consult the troubleshooting section of a Hydrolab manual call Hydrolab s technicians directly or consult an experienced Hydrolab user within EAP Short term Storage one day to three months Clean the sonde Keep a minimal amount of tap water about 2 inch in the plastic sonde cap when not in use Do not use distilled or deionized water unless it s the only water available If the sonde is equipped with a low ionic strength pH reference probe fill the rubber cap with pH reference solution and place it securely over the probe Long term Storage over three months Follow the short term instructions In addition remove the D O membrane and electrolyte rinse with distilled or deionized water and add a new membrane without refilling the D O reservoir with electrolyte Remove external batteries but do not remove the lithtum battery which powers the sonde s internal time clock Troubleshooting Consult the appropriate manual Hydrolab and Electronic Data Solutions manuals have a lot of useful information not covered in this SOP and are easy to use Manuals are found on the Hydrolab equipment shelves in the electronic storage room at the Operations Center OC in the drawers in the wet lab at the OC or at the desks of field leads who frequently use Hydrolab equipment Manuals can also be downloaded from the Hydrolab website at http www hydrolab com Call a Hydrolab custodian or a Hydrolab technician if problems arise t
13. onductivity Dry off and buff the conductivity probe with a cotton swab or paper towel to remove any oil or dirt If you re calibrating a DataSonde 4a or higher first calibrate the dry probe to 0 0 uS Then cover all probes and calibrate using your standard 100 1000 10 000 uS or other bracket expected field readings If you re using a DataSonde 3 skip the dry calibration and calibrate only once using a standard in the range of your expected field readings pH A two point calibration is most common Cover all probes with the pH standard Always start with pH 7 standard then 4 or 10 bracket expected field readings If you re doing a three point calibration start with pH 7 standard then 10 then 4 D O D O can be calibrated using air or a saturated water bath Air Calibration Fill the sonde cup with tap water to just under the D O probe o ring gently dry off the D O membrane with a cotton swab or soft cloth if necessary and set the cap on top don t screw it on Wait about five minutes for equilibration then calibrate the D O saturation to 100 0 by entering the current barometric pressure If you are calibrating in a location more that several hundred feet above sea level make sure you are using the true local barometric pressure and not barometric pressure at sea level Water bath calibration Place the sonde in a water bath which has had a bubbler running for at least 24 hours Turn on the sonde and allow the D
14. pers When you get an estimate from Hydrolab should take around two weeks submit a Preliminary Purchase Request to Ecology for that amount When you get the Purchase Order number from Ecology this is the part that takes the most time fax it to Hydrolab and they will then return the equipment with a summary of what was done Make sure to read the summary of work done in case the manufacturer forgot to do any of the repairs Pack the equipment tightly with a small amount of water in the cap about 4 Note that your shipping address and billing address may be different At Headquarters the address is Shipping WA State Dept of Ecology 300 Desmond Drive Olympia WA 98504 Billing P O box WA State Dept of Ecology 300 Desmond Drive P O Box 47612 pia WA 98504 X EA PROGRAM ECYEAPSOP Approved SOPs ECY_EAP SOP _Hydrolab_v1_0 doc_6 19 2007_Page 9 6 8 6 8 1 6 8 2 6 8 3 6 8 4 6 8 8 6 8 9 6 9 6 9 1 7 0 7 1 8 0 8 1 8 2 8 3 Setting up HyperTerminal for Hydrolab Communications Attach appropriate cable from sonde to laptop Open HyperTerminal Start Program Accessories Communications HyperTerminal Box Opens Connection Description Type in a name your choice and pick an icon Box opens Connect To Under Connect using pull down menu and pick COM1 Click OK This should be the serial port you connect the Hydrolab cable to If you do everything that follows
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