HD2 – Mobile Moisture Meter
Contents
1. 11 4 4 DEED ele ee ec oe eee a anaes eevee eae 12 4 4 1 MO CS ess cence A css ec sec co 19 4 4 2 Maternal 2 m 19 4 4 3 Detecting e Rd ree Ede LIE a 17 4 4 4 Language MERRLTEREPRERE 17 4 4 5 FANUC Oe cg O11 ee eee Tm 17 4 4 6 Display Illumination RETE E 17 4 4 7 DIS ay een AS PET 18 4 4 8 PODE mmc 18 4 4 9 E ia DE dM aus E 18 5 Technical 19 6 Handling of the TRIME PICO Probes eene nennen 20 6 1 PALO B ETE LPs 20 6 2 Measurement Volume of the PICO ssa sas 20 Page 3 IMKO Operating Instructions HD2 2011 12 05 7 Recommended way to achieve the best possible accuracy with the HD2 kit 21 7 1 Measurement directly in the sand and gravel pile 21 7 2 Measurement of laboratory samples in the bucket nnnc 22 8 Exchange of the Probe Rods 4 eeeeseeeee2. 5 1 4 Temperatures and Ambient Conditions ccccccccscecececeeecececeeeaeseeseeeaeaeeseceaeaesseseseaeasaseeeaeaeaeetesegeasesenes 5 2 Control Elements 5 odiosum ndni a 6 3 Initial 5 nun mne nu nnne nena nene nnns 7 3 1 Sy MINS MACON MEET T E cm T du Sue m M accom e T 343 ihe EET T 3 4 Gisan eiieE q Em TENE T 4 DOTT 8 4 1 Switching ON the HD2 Portable Measuring 9 4 2 Switching OFF the HD2 Portable Measuring Instrument 9 4 3 Em 9 4 3 1 Operating Mode Normal issssssssssssssesee emen nnn ss nates esed rss snas andes nasa 10 4 3 2 Operating Mode Average Value iisssssssssse resa naa nnns nna ann nnn 10 4 3 3 Operating Mode Water Calculation esssseeesseeeee
3. 25 9 Technical Data SONO M1 Prob ocidesis 26 9 1 SONO M1 probe ERRORES 26 Page 4 IMKO 2011 12 05 Operating Instructions HD2 1 General Notices Please read the operating instructions carefully Should you have any further questions please contact our service department under the contact data depict ed above In no event should you attempt to open and repair the device yourself Should you like to file any guarantee claims please contact the distribution partner where you purchased the device Within the scope of product improvements the device is subject to technical and optical changes 1 1 Intended Use This portable measuring instrument was designed to serve as a reading device for various IMKO probes Only respectively intended probes may be connected to the device The connection of a probe not intended for connection may lead to the destruction of the device and or the connected probe 1 2 The Chargeable Accumulator Never exchange the integrated accumulator yourself The stated maximum operating periods refer to ideal conditions The ambient temperature and the charging cycle can significantly reduce the performance time In addition the charging capacity reduces itself for tech nical reasons within the course of the utilisation of the device or due to storage at very high or low tempera tures 1 3 Charging the HD2 Portable Measuring Instrument Only deploy the respectively provided charge
4. IMKO y MICROMODULTECHNIK DU d i z Lu 1 y d mai mam i a 3 E F z F j ml os a i 5 1 c a al 7 Er x HD2 Mobile Moisture Meter Operating Instructions HI FEN F MICROM IMKO MICROMOQULTECHNIKC Operating Instructions HD2 2011 12 05 Thank you very much for deciding to purchase this IMKO product Should you have any questions in regard to this prod uct please contact our local distribution partner or us directly IMKO Micromodultechnik GmbH Im Stoeck 2 D 76275 Ettlingen Germany Phone 49 7243 5921 0 Fax 49 7243 90856 E mail info imko de Internet http www imko de The HD2 is a portable device which serves for the dis play of measurement values delivered by Trime mois ture measurement sensors and was designed for mo bile field deployment Page 2 IMKO User Manual Portable Measuring Instrument HD2 2011 12 05 Operating Instructions HD2 Version November 2011 Content 1 General NOCO S sacs cece se scie reo E eee peto ea seca canine ta texere ca ata reca casarse oe v e assa rat Sese 5 1 1 o NE E 5 1 2 The Chargeable ACCumimlator CMT T 5 1 3 Charging the HD2 Portable Measuring
5. Are the above described requirements fulfilled and the measurements are executed as described below the optimal measurement results can be reached Page 22 IMKO 2011 12 05 Operating Instructions HD2 1 Dump the sand sample into the bucket v 2 Compact the sand sample by lifting the bucket 5cm and letting it fall down vertically onto a solid base and repeat this procedure 5 times if there is still to see a compaction after 5 times repeat this procedure until there is no more compaction to see 3 Insert the probe rods into the sand sample completely if the probe body reaches the surface of the sand and press until you feel counter pressure of the sand neither jiggle nor rotate the probe while inserting a For gravel and grit also compact the material before inserting the probe additionally jig gle the bucket while inserting the rods as the sensor is difficult to insert without addi tionally this helps to ensure that the material is in well contact with the probe rods Page 23 MKO Operating Instructions HD2 2011 12 05 4 Measure once with the HD2 handheld device 5 Remove the probe out of the material and jiggle the bucket to loosen up the material 6 Repeat the steps 2 to 4 Twice until you have determined three values 7 Dump the sand sample into another bucket the measure the sample from the bottom side this is especially recommended for gravel and grit
6. After activation the symbol will appear in the upper right hand corer of the display Notice The HD2 will only automatically shut down if no further button is actuated Any actuation of a button will lead to the shut down time to start again 4 4 6 Display Illumination If required the background illumination of the display can be individually adjusted Consequently this enables the option to save power and to prolong the operational period After the selection of the menu entry the following screen will be presented on the display Page 17 IMKO Setup LCD Backlight C 60s n Operating Instructions HD2 2011 12 05 xy V The selection of the background illumination respectively the time until the automatic shut down of the same is selected via the button Up by actuating the same several times Using the button Down you can adjust the intensity of the illumination respectively turn the same completely off Activate and store your set tings by actuating the button Measurement i After activation the symbol imi will appear in the upper right hand corner of the display 4 4 7 Display Contrast At extreme temperatures it may be necessary to adjust the contrast of the display in order to be able to clear ly read the display For this purpose select the menu item Display Contrast Change the contrast by actuat ing the button Up respectively Down v Activate and store you
7. and if the sand sample is close to saturation as in this case it could be possible that the free water is moving through the material to the bottom of the bucket 8 Repeat the steps 2 to 4 three more times until you have determined six values 9 The average value out of the six measurements now can be used for your documentation Page 24 IMKO 2011 12 05 Operating Instructions HD2 wcsoOMOOULTECHNK P Guat 8 Exchange of the Probe Rods In the event that the probe rods are damaged the same can be easily exchanged 1 Prepare the gaskets the probe body and the 2 Press the gaskets into the bore holes probe rods 3 Press the gaskets until they reach the interior Screw the rods into the probe body thread Page 25 MKO Operating Instructions HD2 2011 12 05 9 Technical Data SONO M1 probe 9 1 SONO M 1 probe For measurement of the moisture content in sand and gravel Temperature Sensor is placed in a depth of 5mm behind the probe body State of the art sensor with integrated TDR electronics Measurement Value Range 0 40 vol Integrated Temperature Sensor Deployable up to more than 5dS m Total Conductivity Bulk Soil Conductivity Measurement Volume 1000ml Robust IP68 proven and suited for long term installation 1 5m cable length Screw thread M28 x 1 5 A Op OXUIN MAM 110mm 135mm 155mm 218mm 2 130mm Rod diameter
8. approximately 4 to 5 seconds Once the measurement is concluded the accumulator symbol will reappear and the measured values will be generated on the display The display of the values will be maintained until a new measurement is conducted 4 3 2 Operating Mode Average Value In this operating mode only the moisture is measured and an average value of up to 6 individual values is evaluated Depending on the set calibration either the volumetric or the gravimetric moisture is presented After switching on the HD2 portable measuring instrument the following display will appear in the operating mode Average value after the start screen Individual Values of Number of selected the Measurements Calibration Residual Accumu lator Capacity Average Value oft he Measu rement In order to initiate a measurement shortly press the button Measurement 3 The measurement will com mence and a turning symbol will appear instead of the accumulator symbol in the upper right hand cor ner During this period no other actions can be performed The measurement requires approximately 4 to 5 seconds Once the measurement is concluded the accumulator symbol will reappear On the left hand side of the display the individual values of the measurements will be presented The currently measured value is presented at Position 1 and old values will be shifted one position onwards The arithmetic average value is displayed on the right hand side T
9. mm Page 26 2011 12 05 Power supply Power consumption Moisture measuring range Accuracy in volumetric water con tent conductivity range Repeating accuracy Temperature caused drift of electronics full range Material temperature measuring range Material temperature measuring ac curacy Measurement volume Operating Temperature Calibration Probe body Size Rod lenght Rod diameter Interface Operating Instructions HD2 IMKO 7V 24V DC 100mA 12V DC during 2 3sec of measuring 0 100 volumetric water content 0 2 0 5dS m HU 8 7 0 3 15 C 50 C 0 5 C permanent installed complete in the Material 1 0L 130x100mm diameter 15 C 50 C Calibration for sand and gravel is installed customizable material specific calibration storage of up to 15 user defined calibration curves calibration of dialectric permittivity is possible waterproof sealed PVC IP68 155 x Q63mm standard 130mm 6mm 1 5m cable with 7 pin female connector Page 27 PRECISE MOISTURE MEASUREMENT in hydrology forestry agriculture environmental and earth science civil engineering as well as individual applications www imko de IMKO GmbH Im Stock 2 Germany 76275 Ettlingen Phone 49 0 72 43 59 210 m Fax 49 0 72 43 9 08 56 e mail INFO IMKO de www IMKO de
10. time until shut down illumination APO Press button UP Press button DOWN Page 8 IMKO 2011 12 05 Operating Instructions HD2 Text Meaning Number of the active calibration in the probe Moisture Measurement Value Notice Depending on the set calibration the measure ment value may refer to 9ovol grav or ns EC Trime Electrical Conductivity based on the TDR signal Serialno Serial Number of the probe respectively of the HD2 AW 4 1 Switching ON the HD2 Portable Measuring Instrument Switch ON the HD2 by pressing the button Measurement for approximately 1 second During the starting up process the HD2 will attempt to communicate with the connected probe This will take approximately 4 seconds If no probe is connected or the probe is not able to communicate for any reason an error message will be generated on the display If the probe was successfully detected the accordingly set background of the operation mode will appear on the display and the HD is ready for deployment Notice Should no connection to the probe be possible in spite of several attempts check if the probe is connected properly Should this not deliver a positive result please contact our service de partment 4 2 Switching OFF the HD2 Portable Measuring Instrument owitch OFF the HD2 by pressing the button Measurement for approximately 1 second Notice It is not possible to shut off the HD2 while it is in the Setting
11. ge is formed out of this list Notice Only a maximum of 6 values can be stored in the list Older values are removed from the list and are no longer involved in the formation of the average value The selection Water Calculation will switch on the mode getting the contend of water in 17 of the meas ured material To get the measurement value of a bigger volume you can probe on different places of your material The single values will summed up in one average value By actuating the buttons Up A and Down v the entry intended for processing can be marked and sub sequently be selected with the button Measurement 3 After the selection the symbol im will appear in the upper right hand display corner which indicates that the selection is activated and has been stored 4 4 2 Material Calibration Depending on the task of the deployment various calibrations are deposited in the probe These can be vol umetric calibrations for grounds of various densities gravimetric calibrations for the measurement of sand moisture contents or also running period calibrations You can select the calibration required for your application within the menu item Material Calibration This enables to cover a multitude of deployment options with merely one probe Also it is possible to setup your own calibration to get the possibility to measure special materials After the selection of the menu item Material Calibration you RS ha
12. gher moisture point must be strictly adhered Procedure Setup Material Calibr Set cal no 15 First you have to set the calibration curve to be changed 01 15 by pressing the buttons Up Al and Down M Apply your setting by actuating the button Measurement 3 Page 15 IMKO Operating Instructions HD2 2011 12 05 Next set the moisture oft the lower moisture point by pressing the Setup Material Calibr 4 FS Set Moisture of lower buttons Up and Down point Moist 0 7096 H Apply your setting by actuating the button Measurement Next G To start the measurement push the button Measurement 1 increase the accuracy four measurements take place The whole time of measurement is about 20 seconds Afterwards the meas ured average impulse duration is shown for a short moment Setup Material Calibr ps Notice Ensure that the probe rods are totaly covered with the material the whole time of measuring Start Measure G Next set the moisture oft the higher moisture point by pressing the Setup Material Calibr Set Moisture of upper buttons Up P3 and Down BA pang Appl tting by actuating the button M To our setting by actuating the button Measurement AA Moist 6 00 dd dud Next G start the measurement push the button Measurement 3 increase the accuracy four measurements take place The whole ti
13. he average value is calculated out of the existing individual values up to a number of 6 values Page 10 IMKO Notice Only a maximum of 6 values can be stored in the list Older values are removed from the list and are no longer involved in the formation of the average value 2011 12 05 Operating Instructions HD2 In order to delete the measurement series actuate the button Down M TIPP Within the operating mode Average Value the HD2 will Moist deliver a representative measurement result of all measured 4 43 locations that represents significant volume of the material 4 47 4 3 3 Operating Mode Water Calculation In this operating mode only the variable Moisture is measured There will be up to six single values stored and concluded to an average value Out of this the water content per m is calculated To get the correct wa ter contend it is necessary to set up the density of the measured material The continuous measurement is initiated by actuating the button Measurement Ted The same is concluded by actuating the button Measurement i once more The currently pending measurement is performed completely once more and the sequence is concluded Individual Values of Number of selected the Measurements Calibration Residual Accumu lator Capacity Water Cont Density in kg dm 53 78 4 Average of Water content in l m In order to delete the measurement series actuate the button Dow
14. ill commence Attention Only charge the accumulator at room temperature approximately between 10 C and 30 C At too low temperatures it may happen that the charging concluding shut down does not operate safely and the accumulator is over charged Too high ambient tem peratures may lead to damage to the HD2 due to the additional heat up during the charging process 3 4 Connecting a Sensor The HD2 portable measuring instrument can be operated with the following IMKO moisture probes i PICO IPH T3 SONO M2 SONO M1 PICO64 PICO32 Connect the moisture probe to the HD2 by plugging in the 7 pole plug into the respectively provided socket at the HD and fastening the coupling nut Page 7 MKO y Operating Instructions HD2 2011 12 05 4 Operation Key Button Designation Measurement Shutting ON OFF gt press 1s Perform Measurement gt press shortly Selection of a Menu Item gt press shortly otoring a setting press shortly Settings e Conclude Settings e Leave Menu ltem Back to previous Menu Item or Setting Direct link to CHOOSE Material Calibration Mode Normal Average Direct link to Density setting Mode water calculation Down Go to next Menu Item or Setting Deleting the Value Memory Mode Average Value Display Symbols EN Residual Accumulator Capacity Active Measurement Settings are stored Intensity of the Background Illumination Remaining
15. me of measurement is about 20 seconds Afterwards the meas ured average impulse duration is shown for a short moment ps Notice Ensure that the probe rods are totaly covered with the material the whole time of measuring Start Measure Attention If you choose SAVE at the end of calibration the stored calibration inside the probe is overwrit ten The only possibility to get back the original calibrations is to connect the probe with a RS485 adapter for example SM USB to the PC Also you need the software PICO Config Finally you can store the calibration into the choosen calibration Material Nc storage inside the probe Choose SAVE an confirm by pressing aterial No 15 the button Measurement 1 If you choose DISCARD every SAVE thing is left untouched DISCARD To track the changed calibration ist name is left untouched but a OWN is prefixed ay Back Hint Save your calibrations which are stored inside the probe to your PC you need is a RS485 adapter such as SM USB and the software PICO Config Hereby you can also copy the calibra tions created by yourself to other probes Page 16 IMKO 2011 12 05 Operating Instructions HD2 4 4 3 Detecting Sensor Probe In the event that that communication problems arise with the probe at the activation of the HD2 portable measuring instrument or if no probe was connected or it is intended to exchange the probe during operation this menu item
16. n M To set up the density of your material actuate the button Up n Then you will get the following screen in the display Setup Density Adjust the density of your material by actuating the buttons up Density and Down B Confirm your setting by pressing the button 1 550 kg dm BH Measurement 3 You will then automatic get back to the meas urement screen Leave the setting without changing the density by Save C pressing the button Settings Page 11 IMKO 4 4 Settings There are various options to modify and align the settings of the HD2 portable measuring instrument You will e Operating Instructions HD2 2011 12 05 reach the following menu configuration by actuating the button Settings Setup Setup HD2 Mode HD2 Info Material Calibr HD2 Mode Detect Probe Material Calibr By actuating the buttons Up A and Down Md the entry intended for processing can be marked and sub sequently be selected with the button Measurement 3 You can exit the current menu item and also the menu Settings with the button Settings An Overview of the Setting Options Settings Designation German English HD2 Mode Switching the Operating Mode Normal gt measurement of the variables Moisture Temperature and EC Trime Average Value determination of the average value of up 6 individual moisture measurement values Water Calculation gt Calculate
17. ng Instructions HD2 MICROMODULTECHN 7 Recommended way to achieve the best possi ble accuracy with the HD2 kit 7 1 Measurement directly in the sand and gravel pile For measurements in sand pile make sure that the probe rods is inserted in the material until the blue probe body To obtain a representative moisture value of your material select the operating mode Average Value and take measurements at different locations Bitte beachten Sie dabei dass Ihr Material bei langer Trockenheit oberflachlich trockener ist als in tieferen Schichten Hat es zum Beispiel nach l ngerer Trockenheit geregnet ist das Material nun an der Oberflache feuchter Um das beste Messergebnis zu erhalten Messen Sie am besten an unterschiedlichen Stellen und in unterschiedlichen Tiefen Please note that after drought your material is dryer at the surface as in deeper layers For example Did it rain after prolonged drought the material is now more wet on surface as in deeper layers To get the best results measuring in different places and at different depths Not like that That s right Pe ot Page 21 448 Operating Instructions HD2 2011 12 05 7 2 Measurement of laboratory samples in the bucket Following requirements has to be fulfilled to ensure the optimal accuracy of the system e The probe rods has to be covered completely by the material to be measured X e The bucket should be as far as possible cylindrical X
18. nuous Measuremen Background Illum OFF IMKO 36mm 64mm 150mm ca 35pA Background Illum OFF Background Illum Max ca 100mA ca 26mA Idle ca 56mA ca 350mA ca 5000 t SONO M1 SONO M2 PICO64 PICO32 PICO IPH 30 C up to 80 C 20 C up to 70 C 10 C up to 30 C Nom 12V Max 15V Min 12V ca 1A At exhaustively discharged accumulator 2h Ni MH 4 x 1 2V AA 2000mAh gt 1500 Measurements RS485 IMP BUS Protocol Il 8 Data Bits 2 Stop Bits Odd Parity Page 19 MKO Operating Instructions HD2 2011 12 05 6 Handling of the TRIME PICO Probes 6 1 Introduction The determination of the soil moisture content with the Time Domain Reflectometry TDR technology has in the mean time managed to well establish itself on the market In former times the reliable measurement of the moisture was laborious and not always accurate Since the development of the TRIME TDR technology there no longer any reason to rely on complicated and inaccurate technologies 6 2 Measurement Volume of the PICO Probes The penetration depth of the electrical and magnetic flux lines in theory reach indefinitely far into the meas ured material However the effective penetration depth of the SONO M1 probes relevant for the measure ment is approximately 2 cm in the vicinity of the probe rods The illustration demonstrates the effectively registered measurement volume green waveform Page 20 IMKO 2011 12 05 Operati
19. press shortly Settings e Conclude Settings e Leave Menu ltem MKO y 2011 12 05 Operating Instructions HD2 3 Initial Commissioning 3 1 Safety Instructions Attention Before initial commissioning do not fail to read the General Notices Item 1 at the front of these operating instructions Any not intended use may lead to damage to the device 3 2 Checking the Delivery Scope HD2 Portable Measuring Instrument Plug in Power Supply Unit 12V 2A Charging Adapter Protective Hood Manual 3 3 Charging the Accumulator The integrated accumulator should be charged before putting the device into operation the first time For this purpose plug in the provided charging adapter into the 7 pole socket of the HD2 Subsequently connect the plug in power supply unit to the charging adapter In the event that the device is already switched on or if the accumulator is exhaustively discharged the charging process will commence immediately If not switch on the HD2 by pressing the button Measurement for approximately 1 second An active charging process is signalised in the display by an animated accumulator symbol The integrated charging electronics charges the accumulator until the same is completely charged In case of exhaustive discharge this will approximately take 2 hours As soon as the charging process is concluded all 4 accumulator bars will be permanently presented in the display and the trickle charging w
20. r or a comparable power supply unit to charge the HD2 portable measuring instrument Any deviation of the charging voltage can lead to damage to the device Should the device heat up during the charging process this is normal and not connected with any hazards Should the HD2 only function for a short period or not at all in spite of several attempts to charge it the inte grated accumulator is defective and must be exchanged In this case please contact our local distribution partner or us directly 1 4 Temperatures and Ambient Conditions The HD2 portable measuring instrument was designed for deployment under rough conditions The operation of the device under conditions beyond those depicted may lead to damage to the same Page 5 MKO y 2 Control Elements Operating Instructions HD2 Probe Charger Connection 7 UP e Back to previous Menu Item or Setting e Direct link to CHOOSE Material Calibration Mode Normal Aver age e Direct link to Density setting Mode water calculation DOWN e Go to next Menu Item or Setting Deleting the Value Memory Mode Average Value Page 6 Cali sunt Moist 4 28 Temp 19 70 C EC 1 A 18 HD2 cj v MICROMODULTECHNIK GMBH 2011 12 05 Measurement Activate e Shutting ON OFF gt press is e Perform Measurement gt press shortly e Selection of a Menu ltem gt press shortly e Storing a setting gt
21. r settings by actuating the button Measurement i After activation the symbol lu will appear in the upper right hand corner of the display Change the contrast by actuating the button Up n respectively Down Set the contrast that you can realize the whole gray scale on the diagram Activate and store your settings by actuating the button Measurement 3 After activation the symbol will appear in the upper right hand corner of the display 4 4 8 Probe Info By selecting this menu item after a short moment you will be issued various information regarding the con nected probe These are Serial Number Probe Type Hardware Version HW Firmware Version FW 4 4 9 HD2 Info By selecting this menu item you will be issued various information regarding your HD2 portable measuring instrument These are Serial Number Hardware Version HW Firmware Version FW Accumulator Capacity Accumulator Voltage Page 18 2011 12 05 Operating Instructions HD2 5 Technical Data HD2 Height Width Length Weight Power Consumption Measurement per Charge Connectable Sensors Storage Temperature Operating Temperature Charging Temperature Charging Voltage Charging Current Charging Time Accumulator Physical BUS Bus Protocol IMP Bus Port Settings Power Down Idle Background Illum Max Probe turned ON Measurement 20 C Background Illum Max Mode Conti
22. radient isn t changed 2 point Only one measurement is necessary 2 point calibration Creates a linear calibration between two measured moisture points Two material samples with differnet moisture values are ned ded 1 point Calibration In this material calibration option only an offset of the appointed calibration is done As there is no changing of the gradient proceeded it is necessary to choose a calibration curve that fits to the material Notice To perform a 1 point material calibration you need a sample of the material to be measured You have to determine the moisture of this material with another process before starting the calibration Procedure First you have to set the calibration curve to be changed 01 15 Setup Material Calibr Set cal no by pressing the buttons Up A and Down v Apply your setting by actuating the button Measurement 1 15 Page 14 2011 12 05 Setup Material Calibr Set Moisture Moist 0 7096 H Next G Setup Material Calibr Start Measure G Operating Instructions HD2 ps IMKO Next set the moisture oft the material by pressing the buttons Up and Down i Apply your setting by actuating the button Measurement 1 To start the measurement push the button Measurement 1 increase the accuracy four measurements take place The whole time of measurement is about 20 seconds Afterward
23. s Please first leave the menu item Settings by pressing the button Settings until the measurement display appears 4 3 Measurement The HD2 portable measuring instrument disposes of three operating modes 1 Normal Individual Value Display presents the measurement variables Moisture Temperature and the EC Trime 2 Average Value gt presents the average value of the moisture of up to 6 individual measurements 3 Water calculation gt determine the content of water in I m Notice During a measurement no further actions are possible It is necessary to wait until the measurement is concluded Page 9 MKO y 4 3 1 Operating Mode Normal Operating Instructions HD2 2011 12 05 After switching on the HD2 portable measuring instrument the following display will appear in the operating mode Normal after the start screen Number of selected Serial No If connected Residual Accu Calibration probe mulator Capacity Name of selected Calibration Cal 1 RAA oue Am Moist 4 28 Measurement Value Moisture Temp 19 70 C Measurement Value Temperature EC time 1 118 Measurement Value TDR Conductivity In order to initiate a measurement shortly press the button Measurement 1 The measurement will com mence and a turning symbol will appear instead of the accumulator symbol in the upper right hand cor ner During this period no other actions can be performed The measurement requires
24. s the content of water of the material in I m Material calibration Choosing or change the needed Material Calibration Detect Probe A new search for a connected probe if an error has occurred during the activation of the device Language Switching the System Language German English Auto Power Off Setting of the automatic shut down Display Illumination Setting of the Background Illumination Turn Off Time Intensity LCD Contrast Setting of the ideal contrast Probe Info Issues various information regarding the probe HD2 Info Issues various information regarding the HD2 portable measuring instru ment Page 12 MKOy 2011 12 05 Operating Instructions HD2 4 4 1 HD2 Mode In this menu item the operating mode of the HD2 portable measuring instrument can be changed With the selection Normal an individual measurement of the three probe parameters Moisture Tempera ture and the EC Trime is selected The parameter Moisture depending on the selected calibration the moisture in volumetric or gravimetric percentages or can state the running period of the TDR pulse In case of the display of the running period the percent symbol must be understood as ns When selecting Average Value depending on the selected calibration only the moisture in vol or Ygrav respectively the running period in ns is determined The measured value is stored in a list of up to 6 meas urement values The arithmetic avera
25. s the meas ured average impulse duration is shown for a short moment Notice Ensure that the probe rods are totaly covered with the material the whole time of measuring Attention If you choose SAVE at the end of calibration the stored calibration inside the probe is overwrit ten The only possibility to get back the original calibrations is to connect the probe with a RS485 adapter for example SM USB to the PC Also you need the software PICO Config Setup Material Settings Material No 15 SAVE DISCARD ay Back 2 point Calibration Finally you can store the calibration into the choosen calibration storage inside the probe Choose SAVE an confirm by pressing the button Measurement 1 If you choose DISCARD every thing is left untouched To track the changed calibration ist name is left untouched but a OWN is prefixed At the 2 point material calibration two material samples with different moisture values are measured Out of this a linear equation f x mx b is calculated Also a higher polynomial would give a higher accuracy the linear equation produces very good results especially in lower moisture values Notice To perform a 2 point material calibration you need two material samples with different moisture val ues You have to determine the moisture of these materials with another process before starting the calibration The sequence first the lower moisture point and second the hi
26. should be selected After selection of this menu item the HD2 will again attempt to establish a connection to the connected probe If this attempt is successful the serial number of the probe will appear in the display Should a connection not be possible No probe detected will be generated on the display Notice Should no connection to the probe be possible in spite of several attempts check if the probe is connected properly Should this not deliver a positive result please contact our service de partment 4 4 4 Language In this menu item the language of the HD2 portable measuring instrument can be selected Currently the user has the choice between the languages English and German You can select the desired language by actuating the buttons Up A and Down M and activate the same via the button Measurement 1 After activation of the language the symbol im will appear in the upper right hand corner of the display 4 4 5 Auto Power Off In the menu item Auto Power Off you can select an automatic shut down offered in various time periods Hereby you can select between the following shut off times 1 Minute 2 Minutes 5 Minutes 10 Minutes 20 Minutes respectively also deactivate the automatic shut down function Display min For this purpose select the desired shut down time by actuating the buttons Up A and Down BA and activate the same via the button Measurement 3
27. ve to choose between CHOOSE to save one out of fifteen Material Calibr calibration as default calibration or CHANGE to setup a new calibration in one of the fifteen calibration storages CHOOSE CHANGE Menu item CHOOSE The 15 calibration options are called up by name which requires a short moment of time Subsequently a display in a similar form as follows will be generated Page 13 Operating Instructions HD2 2011 12 05 The list can be scrolled and the wanted calibration be selected by actuating the buttons Up A and Down v The in front of a calibration indicates the currently active one You can set the se lected calibration to become the active one by actuating the button Sand 0 4mm Gravel 2 8mm Gravel 8 16mm Measurement 3 After a short moment the symbol will ap Gravel 16 32mm pear in the upper right hand display corner to indicate that the se lection has been activated In addition the will be placed in front of the now active calibration HINT Get to this menu item directly out of the measurement screen by actuating the button Up A Menu item CHANGE Here you ve got the possibility to setup your own material calibration or to change an existing one to your requirement Therefor two options are available 1 point calibration Setup Material Calibr Material Calibr 1 point Shifts a calibration curve to a choosen moisture point The g
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