Hydroscout User`s Manual
Contents
1. 1 Table 1 HydroScout Analysis Program Information 1 Programs 4 B For Mid to High Range Water in 2 Programs C D amp E For Low Level Water in Oil 2 Program F For Water in Soils and Solids 2 Program For Water in Paint 3 Meter Operations DA en Ps 4 Turning the MeterOn SEXUS NOME 4 Making a Measurement 4 Selecting a Programi NICA eR eg Da IURE 4 Turning the Meter Off Luma yp s Tay awh a Spa S S EYE Rer n ES 4 Error Codes 4 Table 22 Error C6des yu rau ep UR A E 5 IniekfereDees a ua 5 Step by Step Instructions for Meter Operation 6 Analysis Instructions for Each Sample Type and Analysis Program 6 Program A Procedure for Testing Water Content up to 20 6 Program B Procedure for Testing Water Content up to 100 7 Program C D amp E Procedure for Low Levels of Water 5 mL Sample Size 8 Program F Procedure for the Analysis of Water in Soils and Solids 9 Program G Proce2. height 1 8 46 mm 9 2 oz 261 g 18
3. to the soil extraction tube re cap and shake for 1 minute Allow soil in the soil extraction tube to settle for 2 minutes 3 SAMPLING EXTRACTED SAMPLE Work the plunger of the empty sampling syringe a few times to ensure that itslides easily After soil has settled draw up a sample from the extract layer with the sampling syringe ensuring that there are no air bubbles in the syringe If not free of air bubbles depress the plunger again and draw a second sample slowly Wipe any excess solvent from the outside of the syringe with a tissue wipe and dispense the sample into the reaction tube Replace the black septum hole on top by pressing down on the septum with your thumb while gripping the reaction tube firmly using a uniform pressure along the side of the tube and supporting the bottom NOTE Squeezing the tube to cause a deformation in the sides of the tube will result in an artificially low result Replace the white cap TIGHTLY 4 REACTION Break the bottom grayish white ampule in the reaction tube by compressing the sides of the tube Mix thoroughly by shaking the reaction tube vigorously for 30 seconds The mixture will bubble and perhaps foam during this time Allow the reaction to proceed for 1 5 minutes Shake the reaction tube again for 30 seconds and let stand for an additional 30 seconds DO NOT BREAK THE GREEN AMPULE 5 ANALYSIS Press the ON key once to activate the meter Ensure the meter is set for the F 9 progr
4. Using Program Oil Type Karl Fischer ug mL HydroScout ug mL Exxon Teresstic Turbine Oil GT32 Lo cum 169 200 140 124 396 404 023 793 825 Mobil DTE Turbine Oil Light Shell Turbo T32 Ideal Turbine Oil AW 32 Renolin Turbine Oil T 32 Dupont Diamond Class Turbine Oil 32 Texaco Havoline 80W 90 Gear Oil 13 Analysis of Water Content in Various Fluids Using Program D Karl Fischer ug mL HydroScout ug mL poe 88 7 351 303 z NENNEN 696 712 O 88 96 350 368 Oilzum Non Detergent SAE 50 0 76 89 126 177 212 355 404 707 799 Gunk Heavy Duty Brake Fluid Shell Diala A 14 Analysis of Various Fluids Using Program E Fluid Type Exxon Superflo 10W 30 Karl Fischer ug mL HydroScout ug mL x o o 150 213 Mobil 1 10W 30 Quaker State SAE 30 Quaker State Proline 10W 40 Used Valvoline SAE 50 John Deere Hydraulic Fluid 15 Analysis of Various Soil Types Using Program F E a c x sasam Pj P Re c o p x m 5 2 Topsoil a Cp C s 0 0026 E j w ji s 10 30 0 0274 pu emo EE AMEND TEN NCC OP NUES x mn ECL GV RAND gt NND Georgia Clay ERIS MEMO EC NN M En x amma ECL HN REND LANI gt 16 Analysis of Various Coatings Using Program Data from the ASTM Inter Laboratory Study of the Calcium Hydride Method D73
5. bottom of the meter until it seats firmly press the lt READ gt key and allow the meter to stand upright until the result is displayed The results are displayed in the units appropriate to the selected program preceded by the program letter NOTE THE METER MUST BE KEPT UPRIGHT WHEN A MEASUREMENT IS MADE INVERTING THE METER WHILE A TUBE IS INSERTED CAN CAUSE DAMAGE TO THE PRESSURE TRANSDUCER Selecting a Program To select a new program press the ON key once the meter has completed a reading or after the meter has been turned on and has completed all QC checks display reads tUbE The display will change to the next program in the list after displaying the current program e g b 1 100 indicating that Program B has been selected Press the ON key to scroll through the available programs from to G followed by OFF and then back to 0 20 again Press the READ key at any point to fix the selection at the displayed program or to turn the meter off when OFF is displayed To begin using the selected program press the READ key and the meter will reset to zero and display tUbE The meter is now ready to read a sample NOTE AN ERROR WILL RESULTIF THE METER IS TURNED ON OR THE PROGRAM IS CHANGED WHILE A REACTION TUBE IS IN THE METER Turning the Meter Off The HydroScout meter will turn off automatically after 5 minutes of non use To turn off manually push the ON key until the meter displa
6. the reaction tube into the opening at the bottom of the meter The hole in the white cap must be lined up with the metal pin extending from the inside of the hole of the meter Push the reaction tube all the way into the meter Press the READ key on the face of the meter The display will flash the word CALC and the results will be displayed in volume percent v v Record the results KEEP THE METER AND REACTION TUBE UPRIGHT AT ALL TIMES 6 DISPOSAL Carefully remove the reaction tube from the meter Vent the reaction tube by inserting it completely into the specially designed venting cap unit and remove slowly REACTION TUBE AND CAP MUST BE UPRIGHT AND POINTED AWAY FROM USER AND BYSTANDERS Tap the reaction tube on a hard surface to shake any loose glass to the bottom of the tube then break the top green ampule in the reaction tube by compressing the sides of the reaction tube Shake the tube for 15 seconds After 5 minutes vent the tube again Discard the reaction tube and dilution vial as laboratory waste DO NOT REMOVE WHITE CAP Programs C D amp E Procedure for Testing Low Levels of Water in Oil Using a 5 mL Sample Size Reagent System HS LRP WARNING DO NOT USE 5 ML SAMPLES OF PHOSPHATE ESTER BASED HYDRAULIC FLUIDS GASOLINE OR SOLVENTS SUCH AS ACETONE THESE MATERIALS WEAKEN THE REACTION TUBES WHICH MAY RESULT IN TUBE FAILURE 1 PREPARATION Remove a sampling syringe and a white capped reaction tube from the reagen
7. tube Shake the tube for 15 seconds After 5 minutes vent the tube again Discard the reaction tube as laboratory waste DO NOT REMOVE WHITE CAP 6 CALCULATION The meter is programed to report the result in micrograms per milliliter and displayed as ppm If a result is to be reported as a weight weight value divide the HydroScout result by the density of the oil sample Water in Oil ug g R d where R Meter reading in pg mL d Density of oil in g mL Program Procedure for the Analysis of Water in Soils and Solids Reagent Systems HS SEV 1 PREPARATION Remove a sampling syringe and a white capped reaction tube from the reagent box and the extraction solvent ampule from the colored capped soil extraction tube Check the contents to ensure that all items are present and intact Remove the white cap and black septum from the reaction tube Carefully remove a green water ampule from the cardboard carton and insert it fully into the top of the protective ampule sleeve containing the grayish white ampule Return the protective ampule sleeve to the reaction tube with the grayish white ampule on the bottom place the reaction tube into the reagent box 2 SAMPLE EXTRACTION Remove the colored cap from the soil extraction tube and tare on an electronic scale Weigh 5 10 grams of soil to be tested into the soil extraction tube and record the weight Add the contents of one break top ampule of extraction solvent white polypropylene top
8. tube firmly and pressing the septum down with the thumb NOTE Do not squeeze the sides of the tub while inserting the septum as this will cause a low reading Replace the white cap TIGHTLY turning it until it cannot be turned further 3 REACTION Break the bottom gray ampule in the tube by compressing the sides of the tube Mix thoroughly by shaking the tube vigorously for 30 seconds The mixture will be seen to bubble and perhaps foam Allow the reaction to proceed for 2 minutes Shake the reaction tube again for 10 seconds and let stand for an additional 1 minute 4 ANALYSIS Press the ON key to activate the meter Ensure the meter is set for Program G See Selecting a Program in the manual on how to change programs Once the meter displays tUbE insert the reaction tube firmly into the opening at the bottom of the meter The hole in the white cap must be lined up with the metal pin extending from the inside of the hole in the meter Push the reaction tube all the way into the meter Press the READ key the face of the meter The display will flash the word CALC then the results will displayed in milligrams of water in the sample Record the results KEEP THE METER AND TUBE UPRIGHT AT ALL TIMES 5 DISPOSAL Carefully remove the reaction tube from the meter Vent tube by inserting completely into venting cap unit and remove slowly REACTION TUBE AND CAP MUST BE UPRIGHT AND POINTED AWAY FROM USER AND BYSTANDERS Tap the
9. tube on the bench top to shake any loose glass to the bottom of the tube then break the top green ampule in the reaction tube by compressing the sides of the tube Shake the tube for 15 seconds After 5 minutes vent the tube again Discard the reaction tube and vial as laboratory waste DO NOT REMOVE WHITE CAP 6 CALCULATION The meter is programed to display the weight in milligrams of the water contained in the sample introduced into the reaction tube In this case the raw sample Calculate the water content in the sample in weight percent using the following equation Water in paint wt percent R S x10 1 where R Meter reading in milligrams of water 9 actual weight of whole paint sample in grams 10 Procedure G Procedure for the Analysis of Paints and Coatings Reagent System HS HPT Procedure for Expected Water Content Greater than 15 with Dilution 1 PREPARATION Remove a dilution vial two sampling syringes two caps and a white capped tube from the box Check the contents to ensure that all items are present and intact Remove the white cap and black septum from the reaction tube and the cap from the dilution vial Insert one green water ampule into the top of the polypropylene ampule sleeve and replace the ampule sleeve into the reaction tube with the grayish white ampule on the bottom 2 SAMPLE INTRODUCTION Remove the cap from an empty sampling syringe Work the plunger on the empty samplin
10. 58 comparing the HydroScout results with Karl Fischer The coatings analyzed were Fluid A Clear Acrylic sealer Fluid B Acrylic white tint base Fluid Acrylic stain Fluid D Phenolic resin containing approximately 10 unreacted Phenol Fluid E Pigmented polyester polyol resin system containing MEK Toluene Ethyl Acetate PM Acetate and Ethyl 3 Ethoxy Propionate Fluid F Phenolic coating containing approximately 596 unreacted Phenol as well as Ethyl Alcohol PM Acetate and Dipropylene Glycol Monomethyl Ether Calcium Hydride vs Karl Fischer 100 90 55 p 80 y 0 9621x 0 2562 3 70 R 0 9806 Q 60 5 50 40 30 5 20 Z 10 0 0 20 40 60 80 100 Water by Karl Fischer 96 17 A D Resolution Measurement Range Program Storage Display Battery Battery Life Operating Temperature Dimensions Weight Appendix B Meter Specifications 12 bit Program and analyte dependant Program MDL Max Linear Range A 0 1596 v v 20 v v B 596 vlv 10096 v v C D amp E 50 ug mL 10 000 ug mL F 0 25 wt wt 100 wt wt G 0 15 wt wt 100 wt wt Using a 10 gram sample Using a 1 gram sample Non Volatile 4 Digit 0 35 inch LCD with Program Indicator One 9V Lithium included Use only Alkaline or Lithium 10 000 measurements or 10 year shelf life using 1200 mAh lithium battery 4 C to 40 C length 5 9 150 mm width 3 2 81 mm
11. AND BYSTANDERS Tap the tube on the bench top to shake any loose glass to the bottom of the tube then break the top green ampule in the reaction tube by compressing the sides of the tube Shake the tube for 15 seconds After 5 minutes vent the tube again Discard the tube and vial as laboratory waste DO NOT REMOVE WHITE CAP 7 CALCULATION The meter is programed to display the weight in milligrams of the water contained in the sample introduced into the reaction tube In this case the diluted sample Calculate the water content in the original paint sample in weight percent using the following equation Water in paint wt percent R S 1 2 15 S 10 2 where R Meter reading in milligrams of water S actual weight of whole paint sample in grams S actual weight of diluted paint sample in grams 2 15 Weight of the dilution solvent in grams 11 Appendix Comparison Data Determination of Water in Used Oil on Program and B w w Kar Fischer 0 0 161 0 061 HydroScout results converted to w using sample density Analysis of Used Oil Certified Reference Materials on Programs A and B CRM Certified Value wt 96 HydroScout wt 96 Karl Fischer wt 96 pem 3314061 wc HydroScout results converted to w using sample density 2 ERM 34 to 41 Water Content in Used Oil Mixtures from Environmental Reference Materials Inc 12 Analysis of Low Levels of Water Turbine and Gear Oils
12. HYDROSCOUT For the Determination of Water Content User s Manual Version E34 Copyright Notice HydroScout User s Manual and other documentation copyright 2001 2003 Dexsil Corporation rights reserved Disclaimer Dexsil Corporation makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose Further Dexsil Corporation reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Dexsil Corporation to notify any person of such revision or changes Trademarks HydroScout and Dexsil are registered trademarks of Dexsil Corporation DEXSIL Corporation One Hamden Park Drive Hamden Ct 06517 Tel 203 288 3509 Fax 203 248 6523 http www dexsil com HYDROSCOUTManualE34 RYV 1 wpd Version E34 Rev1 September 2008 WARNING READ ALL CAUTIONS BEFORE USING THIS TEST ONCE THE TEST IS INITIATED CONTENTS OF THE TUBES ARE UNDER PRESSURE SAFETY GLASSES MUST BE WORN AT ALL TIMES WHILE PERFORMING TESTS DO NOT REMOVE THE WHITE CAP AFTER THE TEST HAS BEEN PERFORMED DO NOT USE THIS TEST ON CONCENTRATED ACIDS THE EXCESSIVE HEAT GENERATED MAY LEAD TO TUBE FAILURE DO NOT USE 5 ML SAMPLES OF PHOSPHATE ESTER BASED HYDRAULIC FLUIDS GASOLINE OR SOLVENTS SUCH AS ACETONE THESE SAMPLES WEAKEN THE TUBES WHICH MAY RESULT IN TUBE FAILURE
13. OR Code of Err 4 occurs when testing oil samples under this program the water content is over 20 v v and the sample must be retested as a diluted sample using Program B The results for the method is displayed in volume volume percent Program B is used for oil liquid samples with water concentrations in the 10 to 10096 range If a sample has previously tested to be over 20 v v or is suspected to contain over 20 v v water it must be run using a dilution solvent vial and Program B This procedure entails adding an initial 0 25 mL sample to the dilution solvent vial mixing thoroughly and introducing a 0 25 mL sample of this mixture into a second sample tube which is part of the basic Reagent package This sample is then processed under the basic test procedure The results for the method is displayed in volume volume percent Programs C D and E gt Low Level Water in Oil Measurement Range 50 ug mL to 10 000 ug mL Sample Matrix Lube Oils Hydraulic Oils Brake Fluids Fuels Typical Application Condition monitoring for low levels of water in in service oils Programs C D and E are set up to measure low levels of water in an oil liquid matrix using a 5 mL sample The results for programs C D and E are reported in pg mL displayed as ppm since the samples sizes are determined by volume The overall efficiency of the reaction has been determined to be less than 100 with certain oil types due to viscosity and solubility effe
14. THE TEST CONTAINS FLAMMABLE SOLVENTS AND PRODUCES HYDROGEN GAS KEEP AWAY FROM OPEN FLAME MAKE SURE THE BLACK SEPTUM IS FULLY INSERTED INTO THE NECK OF THE TEST TUBE AND THE WHITE CAP IS SCREWED ON TIGHTLY SHAKE THE TUBE WHILE POINTING IT AWAY FROM YOURSELF AND BYSTANDERS WHEN CRUSHING THE GLASS AMPULE PRESS FIRMLY IN THE CENTER OF THE GLASS AMPULE NEVER ATTEMPT TO RECRUSH BROKEN GLASS AS IT CAN PENETRATE THE PLASTIC TUBE AND CUT FINGERS THE GRAY AMPULE IN THE TUBES CONTAINS CALCIUM HYDRIDE WHICH IS A FLAMMABLE SOLID AND IS WATER REACTIVE IN CASE OF ACCIDENTAL BREAKAGE OR SPILLAGE ONTO SKIN OR CLOTHING WASH IMMEDIATELY WITH LARGE AMOUNTS OF WATER DO NOT TAKE INTERNALLY ALL OF THE CONTENTS ARE POISONOUS KEEP OUT OF THE REACH OF CHILDREN READ MATERIAL SAFETY DATA SHEETS BEFORE PERFORMING TEST MANUFACTURER S WARRANTY This kit is warranted to be free of defects in material and workmanship until the expiration date stamped on the box Manufacturer s sole and exclusive liability under this warranty shall be limited to replacement of any kit that is proved to be defective Manufacturer shall not be liable for any incidental or consequential damages Reliable test results are highly dependent upon the care with which the directions are followed and consequently cannot be guaranteed Table of Contents Inttoducloli ive eats tee Aedes rS hes 1 Choosing the Correct Program
15. am for the sample matrix being tested See Selecting a Program for instructions on how to change programs Once the meter displays insert the reaction tube into the opening at the bottom of the meter The hole in the white cap must be lined up with the metal pin extending from the inside of the hole of the meter Push the reaction tube all the way into the meter Press the READ key on the face of the meter The display will flash the word CALC and the results will be displayed in milligrams of water in the sample Record the results KEEP THE METER AND REACTION TUBE UPRIGHT AT ALL TIMES 6 DISPOSAL Carefully remove the reaction tube from the meter Vent the reaction tube by inserting it completely into the specially designed venting cap unit and remove slowly REACTION TUBE AND CAP MUST BE UPRIGHT AND POINTED AWAY FROM USER AND BYSTANDERS Tap the reaction tube on a hard surface to shake any loose glass to the bottom of the tube then break the top green ampule in the reaction tube by compressing the sides of the tube Shake the tube for 15 seconds After 5 minutes vent the tube again Discard the reaction tube and soil extraction tube as laboratory waste DO NOT REMOVE WHITE CAP 7 CALCULATION The meter is programed to display the weight of the water in milligrams contained in the sample Calculate the water content in weight percent using the following equation Water in Soil wt percent R 10S where R Met
16. an 15 water the sample should be introduced directly into the reaction tube following the procedure for Dilution See page 10 For samples containing more that 15 water the sample must be diluted and the diluted sample analyzed using the procedure for with Dilution See page 11 Meter Operation The HydroScout meter is fully factory calibrated and is ready to operate Each time the meter is turned on the micro processor recalibrates the pressure transducer to zero and performs a QC check on the output voltage While these checks are being preformed relevant information on the meter will be displayed such as the software version loaded into memory and the current selected measurement program The meter also has other built in QC checks to verify measurement integrity see Error Codes below Turning the Meter On Press the ON key to turn the meter on The software version will then be displayed for 5 seconds E28 E30 etc followed by the currently selected measurement program 0 2096 b 1 100926 c ind etc When the meter has completed all QC checks the display reads indicating that the meter is ready to read a sample NOTE It may take a few seconds to zero the sensor and for the display to read Making a Measurement The factory default program is Program A To make measurements using the default program or the currently selected program insert the reaction tube into the
17. cts However since the pressure function is a linear parameter the meter response value can be corrected to produce accurate results on all oil types The HydroScout response on low water level oils has been documented for a number of these oil types See Appendix A There are three major response groups among the oils tested The recoveries for the lighter non additive oils such as turbine oils and diesel fuel are 10096 and should be run on program C Non detergent motor oils brake fluids and gear oils average approximately 8796 recovery and should be run on program D Multi viscosity detergent motor oils and hydraulic fluids with polar additives average 6396 recovery and should be run on program E The results obtained when using programs D and E are automatically corrected to yield accurate results that correlate with Karl Fischer NOTE Phosphate ester based hydraulic oils and gasoline should be run using Programs A amp B only If the oil sample is a listed oil type the corresponding program can be used for analysis The correct program for oils not listed can be determined by comparing the meter response on program C with a Karl Fischer analysis on the same oil sample The ratio of the HydroScout result to the Karl Fischer result will determine the correct program to use for future measurements NOTE The HydroScout reports results in volume percent Be sure to use the same units when comparing HydroScout results to Karl Fischer results If t
18. dure for Analysis for Water Content in Paint 10 11 Expected Water Content Less than 15 No 10 Expected Water Content Greater than 15 with Dilution 11 Appendix A Comparison Data 12 17 Water in Used Oil Programs A amp B 12 Used Oil CRMs Programs amp 12 Low Levels in Turbine and Gear Oil Program C 13 Low Level Water in Other Oils Program D 14 Low Level Water in Other Oils Program 15 Water in Soil Program F cue teks ieee 16 Water in Various Coatings Paint Program G 17 Appendix B Meter 18 Introduction The HydroScout M system is designed to accurately and quickly measure the water content in a number of sample matrices The test uses a specially formulated calcium hydride reagent to quantitatively convert all the water contained in the sample to hydrogen gas H5 The reaction is carried out in a sealed tube and the generated pressure 15 measured using a specially designed meter Internal software converts the pressure into water content and the results are displayed directly in the appropriate units The HydroScout me
19. er reading in milligrams of water S Weight of soil sample in grams Procedure G Procedure for the Analysis of Paints and Coatings Reagent System HS LPT Procedure for Expected Water Content Less than 15 No Dilution 1 PREPARATION Remove a sampling syringe and a white capped tube from the box Check the contents to ensure that all items are present and intact Remove the white cap and black septum from the reaction tube Insert one green water ampule into the top of the polypropylene ampule sleeve containing the grayish white ampule and replace the ampule sleeve into the reaction tube with the grayish white ampule on the bottom 2 SAMPLE INTRODUCTION Remove the cap from the sampling syringe Work the plunger on the empty sampling syringe a few times to ensure that it slides easily Place the tip of the syringe into the paint sample to be tested and slowly pull back on the plunger until it reaches the stop and cannot be pulled further Remove the syringe from the paint sample and wipe any excess paint from the outside of the syringe with a tissue wipe Place a syringe cap on the syringe and weigh record the weight gross sample weight to the nearest 0 1 mg Dispense this sample into the reaction tube Replace the syringe cap and reweigh the syringe and record the weight sample tare weight The difference in the two weights becomes the sample weight S to be used in equation 1 below Replace the black septum hole on top by gripping the
20. ethylene glycol dimethyl ether Ethylene glycol Diethylene glycol 0 25 mL sample size program A and B When using the 5 mL sample size programs i e programs C D or E ethylene glycol and acids have been found to produce a positive result Ethylene glycol responds at approximately 7 of the volumetric equivalent Step by Step Instructions for Meter Operation Step 1 Press the ON Key SCREEN 4 is displayed followed by the currently selected program i e 0 2096 then flashes bL and then E34 is the current software version and bL indicates the instrument is undergoing internal calibration Step2 If Program A is not the desired program press the ON key to change it by following the procedure described in Selecting a Program Step3 With the meter held upright Insert the reaction tube into the bottom of the meter until it seats firmly Step 4 Press the READ Key SCREEN CALC flashes then SCREEN Where A is the letter designating the current program and is the reading in the units appropriate for the current program Step 5 Record result remove reaction tube and insert new sample Step 6 Press the READ key Step 7 Repeat steps 3 6 until all samples have been read Step 8 Turn off meter manually or meter will turn off automatically after 5 minutes of non use NOTE Meter is off when screen i
21. g syringe a few times to ensure that it slides easily Place the tip of the syringe into the paint sample to be tested and slowly pull back on the plunger until it reaches the stop and cannot be pulled further Remove the syringe from the paint sample and wipe any excess paint from the outside of the syringe with a tissue wipe Place a syringe cap on the syringe and weigh record the weight gross sample weight to the nearest 0 1 mg 3 SAMPLE DILUTION Remove the syringe cap and insert the sampling syringe into the dilution vial and dispense the paint sample by depressing the plunger Do not allow the syringe to contact the dilution solvent when dispensing the sample Replace the syringe cap and reweigh the syringe and record the weight sample tare weight The difference in the two weights becomes the sample weight S to be used in equation 2 below Replace the white cap on the dilution vial and shake the vial vigorously for at least 10 seconds Remove the vial cap and quickly using a new sampling syringe draw up a sample from the solution Wipe any excess solution from the outside of the syringe cap with a fresh cap and weigh the syringe Record this weight diluted sample gross weight Dispense this sample into the reaction tube Replace the cap and reweigh the syringe and record this weight diluted sample tare weight The difference in the two weights becomes the sample weight S to be used in equation 2 below Replace the black septum hole on to
22. he ratio is near 1 divide the Hydroscout program C result by Karl Fischer result continue using program C for ratios between 0 95 and 0 85 use program D and for ratios near 0 6 use program E For further assistance in determining the correct program contact Dexsil Program F gt Water in Soil and Solids Measurement Range 0 2596 to 10096 Sample Matrix Soils and Extractable Solids Typical Application Moisture content monitoring in agricultural soils Program F should be used to measure moisture content in soils This analysis requires that the soil solid be extracted using the HydroScout extraction solvent The extract is then sampled using a standard sampling syringe and analysis procedure Program G gt Water Paint ASTM Method D 7358 Measurement Range 296 8596 Sample Matrix Paints and Coatings Typical Application Quality control of paints and coatings This method is designed to measure the water content of liquid samples over the range of 1 to 100 w w water content The reproducibility and repeatability of this method have been evaluated over the range 2 to 85 and are published in ASTM Method D 7358 In order to achieve a result based on the weight of the sample the sample must be weighed into the reaction vessel Not only does this allow for a weight based result but it improves accuracy by eliminating the uncertainty of the volumetric sample size If the sample to be analyzed is believed to contain less th
23. in and draw a second sample slowly Remove the syringe from the oil sample and wipe any excess oil from the outside of the syringe with a tissue wipe 3 SAMPLE DILUTION Remove the screw cap from the dilution vial Insert the sampling syringe into the dilution vial and dispense the oil sample by depressing the plunger Proceed to mix the solution thoroughly by repeated drawing and re dispensing of the solution into the dilution vial with the syringe 3 or 4 times Using the same sampling syringe draw up a sample from the diluted solution wiping any excess liquid from the outside of the syringe Dispense the sample into the reaction tube Replace the black septum hole on top by pressing down on the septum with your thumb while gripping the reaction tube firmly using a uniform pressure along the side of the tube and supporting the bottom NOTE Squeezing the tube to cause a deformation in the sides of the tube will result in an artificially low result Replace the white cap TIGHTLY 4 REACTION Break the bottom grayish white ampule in the reaction tube by compressing the sides of the tube Mix thoroughly by shaking the reaction tube vigorously for 30 seconds Allow the reaction to proceed for a total of 2 minutes DO NOT BREAK THE GREEN AMPULE 5 ANALYSIS Press the ON key and make sure the meter is set for b 1 100 NOTE If changing the program see Selecting a Program in the manual Once the meter displays insert
24. mond Class 32 Texaco Havoline 80W 90 Gear Oil D Medium Oil Liquid 10 000 ug mL PPM Reagents NAPA Non Det SAE 30 Amalie Non Det HS LRP SAE 30 Valvoline Non Det SAE 30 Oilzum Non Det SAE 50 Gunk Heavy Duty Brake Fluid Shell Diala A E Heavy Oil Liquid 10 000 ug mL PPM Reagents Exxon Superflo 10W 30 Mobil 1 10W 30 HS LRP Quaker State Proline 10W 40 Valvoline SAE 50 John Deere Hydraulic Fluid F Soil Solids mg H O 0 25 w w 100 w w Standard Sand Sandy Clay Loam Sea Sediment Topsoil Georgia Clay Alabama Clay Extraction HS Compost Plant Material SEV G Paint mg H O 0 15 w w 100 w w Paint Reagents Paints and Coatings aints and Coatings HS LPT HS HPT For comparison data see Appendix A Using a 1 gram sample gt Method Detection Limit determined using procedure outlined in 40 CFR Ch 1 Pt 136 App B This method has been evaluated by the American Society of Testing and Materials ASTM Committee D01 over the range of 296 to 85 water content and is the basis of ASTM Method D 7358 Programs and gt Mid to High Range Water EPA Method 9001 Measurement Range 0 15 to 100 Sample Matrix Used Oil or Liquids Typical Application Used oil where moderate to high levels of water are expected Programs and B are used for measuring water content in an oil liquid matrix using a 0 25 mL sample Program A covers the range from 0 15 to 20 water content When an ERR
25. n tube on a hard surface to shake any loose glass to the bottom of the tube then break the top green ampule in the reaction tube by compressing the sides of the reaction tube Shake the tube for 15 seconds After 5 minutes vent the tube again Discard the reaction tube as laboratory waste DO NOT REMOVE THE WHITE CAP Program B Procedure for Testing Water Content up to 100 Reagent Systems HS ORP HS DVP 12 1 PREPARATION Remove a screw capped dilution vial from the fluted cardboard carton a sampling syringe and white capped reaction tube from the reagent box Check the contents to ensure that all items are present and intact Remove the white cap and black septum from the reaction tube Carefully remove a green water ampule from the cardboard carton and insert it fully into the top of the protective ampule sleeve containing the grayish white ampule Return the protective ampule sleeve to the reaction tube with the grayish white ampule on the bottom and place the reaction tube into the reagent box 2 SAMPLE INTRODUCTION Work the plunger of the empty sampling syringe a few times to ensure that it slides easily Place the tip of the syringe into the oil sample to be tested sample must be well mixed and representative and slowly pull back on the plunger until it reaches the stop and cannot be pulled further When drawing up the sample make sure there are no air bubbles in the syringe If not free of air bubbles depress the plunger aga
26. p by gripping the tube firmly and pressing the septum down with the thumb NOTE Do not squeeze the sides of the tube while inserting the septum as this will cause a low reading Replace the white cap TIGHTLY turning it until it cannot be turned further 4 REACTION Break the bottom gray ampule in the tube by compressing the sides of the tube Mix thoroughly by shaking the tube vigorously for 30 seconds The mixture will be seen to bubble and perhaps foam Allow the reaction to proceed for 2 minutes Shake the reaction tube again for 10 seconds and let stand for an additional 1 minute 5 ANALYSIS Press the ON key to activate the meter Ensure the meter is set for Program G See Selecting a Program in the manual on how to change programs Once the meter displays tUbE insert the reaction tube firmly into the opening at the bottom of the meter The hole in the white cap must be lined up with the metal pin extending from the inside of the hole in the meter Push the reaction tube all the way into the meter Press the lt READ gt key on the face of the meter The display will flash the word CALC then the results will displayed in milligrams of water in the diluted sample Record the results KEEP THE METER AND TUBE UPRIGHT AT ALL TIMES 6 DISPOSAL Carefully remove the reaction tube from the meter Vent tube by inserting completely into venting cap andremove slowly REACTION TUBE AND CAP MUST BE UPRIGHT AND POINTED AWAY FROM USER
27. r thumb while gripping the reaction tube firmly using a uniform pressure along the side of the tube and supporting the bottom NOTE Squeezing the tube to cause a deformation in the sides of the tube will result in an artificially low result Replace the white cap TIGHTLY 3 REACTION Break the bottom grayish white ampule in the reaction tube by compressing the sides of the tube Mix thoroughly by shaking the reaction tube vigorously for 30 seconds Allow the reaction to proceed for a total of 2 minutes DO NOT BREAK THE GREEN AMPULE 4 ANALYSIS Press the ON key and make sure the meter is set for 0 207 NOTE If changing the program see Selecting a Program in the manual Once the meter displays insert the reaction tube into the opening at the bottom of the meter The hole in the white cap must be lined up with the metal pin extending from the inside of the hole of the meter Push the reaction tube all the way into the meter Press the READ key on the face of the meter The display will flash the word CALC and the results will be displayed in volume percent v v Record the results KEEP THE METER AND REACTION TUBE UPRIGHT AT ALL TIMES 5 DISPOSAL Carefully remove the reaction tube from the meter Vent the reaction tube by inserting it completely into the specially designed venting cap unit and remove slowly REACTION TUBE AND CAP MUST BE UPRIGHT AND POINTED AWAY FROM USER AND BYSTANDERS Tap the reactio
28. s blank Analysis Instructions for Each Sample Type and Analysis Program Program A gt Procedure for Testing Water Content up to 20 Reagent System HS ORP 1 PREPARATION Remove a sampling syringe and a white capped reaction tube from the reagent box Check the contents to ensure that all items are present and intact Remove the white cap and black septum from the reaction tube Carefully remove a green water ampule from the cardboard carton and insert it fully into the top of the protective ampule sleeve containing the grayish white ampule Return the protective ampule sleeve to the reaction tube with the grayish white ampule on the bottom and place the tube into the reagent box 2 SAMPLE INTRODUCTION Work the plunger of the empty sampling syringe a few times to ensure that it slides easily Place the tip of the syringe into the oil sample to be tested sample must be well mixed and representative and slowly pull back on the plunger until it reaches the stop and cannot be pulled further When drawing up the sample make sure there are no air bubbles in the syringe If not free of air bubbles depress the plunger again and draw a second sample slowly Remove the syringe from the oil sample and wipe any excess oil from the outside of the syringe with a tissue wipe Insert the sampling syringe into the reaction tube and dispense the oil sample by depressing the plunger Replace the black septum hole on top by pressing down on the septum with you
29. smaller sample size or a dilution technique and a different program See Table 1 Table 2 Error Codes rr 1 Zero voltage too high Reaction tube in place when turning Remove tube and re select meter on or switching programs program Err 2 Zero voltage too low Excessive drift in transducer output Call for service caused by damage Err 3 Pressure readings Reaction has not gone to Wait another minute and re trending up completion read Reading outside of linear Water content greater than 20 Re run sample using dilution range v v vials and Program Pressure too low during Leaking tube or cap Re run sample using new sample reading reaction tube If problem Tube squeezed while inserting gray persists call for assistance stopper Lo Pr Low Battery Low Battery Remove four screws Replace battery with 9V alkaline or lithium only Interferences In addition to the testing the effectiveness of the HydroScout system in a number of matrices extensive testing has also been conducted to document possible interferences and or cross reactivities due to additives or components in a sample matrix The following compounds have been found to produce no measurable response to the HydroScout system and therefore cause no interference at levels up to 40 Ethanol Dipropylene glycol Methanol Stearic acid Acetone 2 Ethyl hexanoic acid Methyl ethyl ketone Lead oxide II and Tetrahydrofuran Aluminum oxide Brockman I Di
30. t box Check the contents to ensure that all items are present and intact Remove the white cap and black septum from the reaction tube Carefully remove a green water ampule from the cardboard carton and insert it fully into the top of the protective ampule sleeve containing the grayish white ampule Do not replace the protective ampule sleeve into the tube at this time 2 SAMPLING Using aclean polyethylene sampling pipette pipette 5 mL of the oil to be tested into the reaction tube e g up to 5 mL line marked on side of the reaction tube NOTE The protective ampule sleeve is not to be in the tube at this time Insert the protective ampule sleeve into the reaction tube with the grayish white ampule on the bottom Replace the black septum hole on top by pressing down on the septum with your thumb while gripping the reaction tube firmly using a uniform pressure along the side of the tube and supporting the bottom NOTE Squeezing the tube to cause a deformation in the sides of the tube will result in an artificially low result Replace the white cap TIGHTLY NOTE A homogeneous representative sample of the oil being tested must be used to obtain accurate results 3 REACTION Break the bottom grayish white ampule in the reaction tube by compressing the sides of the tube Mix thoroughly by shaking the reaction tube vigorously for 30 seconds Allow the reaction to proceed for a total of 4 minutes The mixture will bubble and perhaps foam during
31. ter is programed with seven different programs which are easily selected using the program menu Each program is setup to cover a specific analysis range and matrix combination Built into each program are all of the conversions necessary to convert the measured pressure into water content The measurement programs compensate for sample size dilutions extractions reaction efficiencies and conversion to the correct units Choosing the Correct Program The HydroScout meter is programed with seven unique measurement programs The specific applications for each of the programs are tabulated below Before beginning any measurements choose the correct measurement program for the sample matrix and measurement range Read throughly the specific instructions for the appropriate program to determine what specific reagents and preparation steps are necessary Selecting the desired program is described below Table 1 HydroScout Analysis Program Information Program Sample Matrix Units MDL Maximum Reagents Needed Sample Types Tested Size A Used Oil Liquid Volume 0 15 v v 20 v v Standard HS ORP 0 25 mL Used Oil Chemtool 250 Paint Waste Percent B Used Oil Liquid Volume 596 v v 100 v v Standard Dilution Vial 0 25 mL Used Oil Chemtool 250 Paint Waste Percent HS ORP HS DVP 5 mL Light Oil Liquid 50 ug mL 10 000 ug mL PPM Reagents Exxon Terestic GT32 Mobil DTE Light HS LRP Shell Turbo T32 Ideal AW 32 Renolin T 32 Dupont Dia
32. this time DO NOT BREAK THE GREEN AMPULE NOTE Some oils require a longer reaction time to achieve complete reaction This is especially true for oils run on program C If this is the case shake the reaction tube again for 30 seconds and let stand for an additional 4 minutes 4 ANALYSIS Press the ON key once to activate the meter Ensure the meter is set for the correct program C D or E for the sample matrix being tested See Selecting a Program for instructions on how to change programs Once the meter displays insert the reaction tube into the opening at the bottom of the meter The hole in the white cap must be lined up with the metal pin extending from the inside of the hole of the meter Push the reaction tube all the way into the meter Press the READ key on the face of the meter The display will flash the word CALC and the results will be in micrograms of water per milliliter of sample displayed as ppm Record the results KEEP THE METER AND REACTION TUBE UPRIGHT AT ALL TIMES 5 DISPOSAL Carefully remove the reaction tube from the meter Vent the reaction tube by inserting it completely into the specially designed venting cap unit and remove slowly REACTION TUBE AND CAP MUST BE UPRIGHT AND POINTED AWAY FROM USER AND BYSTANDERS Tap the reaction tube on a hard surface to shake any loose glass to the bottom of the tube then break the top green ampule in the reaction tube by compressing the sides of the reaction
33. ys OFF and then push the READ key Error Codes The HydroScout performs several QC checks each time the unit is turned on and during each reading to verify that the displayed result is valid Each time the meter is turned on the pressure transducer output is measured and compared to acceptable values A high voltage causes an Err code to be displayed indicating that a tube has been left in the meter while turning it on An Err 1 displayed with no tube in place indicates that the transducer has been damaged A low voltage causes an Err 2 code to be displayed indicating that the pressure transducer has been damaged and must be serviced If the voltage is acceptable the meter then sets zero and is ready to take readings by displaying the word tUbE During readings of samples the pressure is measured a number of times and the trends are analyzed If the readings are trending upward the pressure is remeasured and re analyzed If this pattern continues an Err 3 code is displayed indicating that the reaction is not complete and the reading should be repeated If the pressure is trending downward an Err 5 code is displayed indicating that the tube is leaking and that the sample testing should be re run from the start Once a reading has stabilized the result is calculated and displayed If the pressure is outside of the linear range an Err 4 code will be displayed indicating that the sample should be rerun using a
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