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MMP20 SONO-DIS (option D)

Page 50

Hauser

2-point calibration:

In a 2-point calibration, two material samples of different moisture content are measured and a
linear equation (f(x)=mx+b) is then calculated from this information. While a higher-value
polynomial is useful to achieve better accuracy, the linear equation often suffices, particularly in
the lower moisture range, and delivers very good results.

NOTE:

You require two material samples with different moisture values to perform a 2-point
material calibration. The moisture values must be determined with another method
(kiln-drying, or similar) before the calibration. Make sure to adhere to the following
sequence: first "lower moisture value" (drier material) and then "upper moisture value"
(wetter material).

Procedure:

At the start of the calibration, the calibration memory
(01

–

15) to be overwritten must be selected with the

"Up"

and "Down"

keys. Press the "Measure" key

to accept the setting.

Then set the percentage moisture of the lower moisture
value using the "Up"

and "Down"

keys, and again

press the "Measure" key

to confirm your entries.

To start measuring the material, press the "Measure"
key

again. Four measurements are taken to increase

the accuracy. An average of these measurement values is
then calculated. The measuring time is approximately
20 seconds. When the measurement is finished, the
measured pulse transit time is displayed briefly.

NOTE

: Before you start measuring, make sure that the

rods of the probe are fully immersed in the
material to be measured. The probe must remain
in the material for the entire duration of the
measurement and should not be moved.

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Содержание MMP20 SONO Mobil

Страница 1: ...Products Solutions Services Operating Instructions MMP20 SONO Mobil SONO DIS option D Moisture measurement BA01947M 00 EN 01 18 71418836 2018 10 29 ...

Страница 2: ...P20 SONO Mobil SONO DIS option D 2 Endress Hauser Order code Ext ord cd Ser no www endress com deviceviewer Endress Hauser Operations App XXXXXXXXXXXX XXXXX XXXXXX XXX XXXX XX Serial number 1 3 2 A0023555 ...

Страница 3: ... three concrete formulation parameters 15 8 3 1 CHANGE or enter the raw density 15 8 3 2 Setting the CHAR formulation characteristic 16 8 3 3 G Set fine adjustment for concrete variety with rock type and core water 16 8 3 4 Measuring in the Average operating mode 16 EC TRIME a parameter for cement analysis 18 General settings 19 8 5 1 Find probe 19 8 5 2 Language 20 8 5 3 Auto power off 20 8 5 4 D...

Страница 4: ...NO DIS 40 14Technical data SONO WZ probe 41 SONO M1 sand moisture probe 42 Connecting the SONO M1 probe 43 Measurement 43 14 3 1 Single values operating mode 43 14 3 2 Average operating mode 44 14 3 3 Water calculation operating mode 45 Settings 46 14 4 1 Single value Average value mode 47 14 4 2 Material calibration 47 14 4 3 Find probe 51 15Using SONO M1 probes 52 Introduction 52 Measuring volum...

Страница 5: ...MMP20 SONO DIS option D Endress Hauser Page 5 1 Introduction MMP20 SONO DIS robust battery powered mobile display unit for the SONO W Z and SONO M1 M1C M2 moisture probes ...

Страница 6: ...measurement technique for precise measured values with a representative measuring field and slice by slice radar scanning Easy to use The SONO WZ probe connected to the mobile SONO DIS handheld can be inserted directly into the fresh concrete to be measured After 4 5 individual measurements are taken an automatic averaging function provides precise measurement results within 1 2 minutes With their...

Страница 7: ...built rechargeable battery yourself The maximum operating times indicated apply under ideal conditions The ambient temperature and recharging cycle can significantly reduce the performance times In addition the recharging capacity drops over time for technical reasons or if the unit is stored at very high or low temperatures Charging the SONO DIS handheld device Only use the charger supplied or a ...

Страница 8: ... the serial number on the nameplate Endress Hauser Operations App enter the serial number on the nameplate or scan the 2D matrix code QR code on the nameplate Standard documentation BA01947M Operating Instructions for MMP20 SONO DIS display battery powered multisensor connection Supplementary documentation SD02332M SM USB Connection and configuration of SONO and TRIME probes on a PC with Windows v...

Страница 9: ...fault for concrete When the SONO DIS is switched on the display shows that the device is set to Cal No 4 This setting should not be changed or should only be changed if you are measuring a material other than fresh concrete Measure Switch on off press 1 second Take a measurement Select a menu item Save and activate a setting Settings Activate settings by pressing 1 second Exit Settings Go back fro...

Страница 10: ... holding the Measure key for approximately 1 second An animated battery symbol on the display indicates that charging is active The built in charging electronics charge the battery until it is fully charged Charging takes around 2 hours if the battery was fully discharged As soon as the battery is finished charging all 4 battery bars appear permanently on the display screen and trickle charging co...

Страница 11: ... back from the menu items Up Previous menu item or setting Down Next menu item or setting Clear the value memory Average mode Symbols on the display Symbol Description Remaining battery Measurement active Setting saved Brightness of background lighting Time until switchoff lighting APO Press the Up key Press the Down key Warning symbol Water content values less than 100 liters are not taken into c...

Страница 12: ... This takes around 4 seconds If no probe is connected or if the probe cannot be found for some other reason an error message appears on the screen If the SONO DIS managed to successfully find the probe the measurement background appears on the screen depending on the specific operating mode The message Calibrating appears on the bottom of the display during the power up process This means that the...

Страница 13: ...sed This setting is done using the CHAR and G Set parameters CHAR parameter for the concrete formulation characteristic With its radar measuring field SONO WZ shows the grading curve dependency for different concrete formulation characteristics Therefore SONO DIS offers users 4 different possible settings which can be entered as a CHAR parameter in the SONO DIS handheld device The 4 possible CHAR ...

Страница 14: ...s standard additives as well as PCEs General G Set parameter SONO WZ measures both the free effective water in fresh concrete and a share of the core water or absorbed water While there are types of rock that absorb very little core water there are aggregates such as sandstone or lime grit that can absorb up to 50 liters of core water The core or absorbed water is not used to bind the cement and i...

Страница 15: ...consideration during the kiln drying process The kiln dry water content is calculated as follows Kiln dried value effective water core water additives that behave like water See also the Core moisture core water and water absorption chapter Setting and changing the three concrete formulation parameters 8 3 1 CHANGE or enter the raw density Values must first be entered for the configurable paramete...

Страница 16: ...content in the concrete Select one of the four options for CHAR using the and keys and press the OK key to confirm your entry 8 3 3 G Set fine adjustment for concrete variety with rock type and core water The G Set value is entered in liters m3 and can be entered in increments of 1 liter up to 50 liters Once a G Set value is identified for a certain type of rock it is advisable to archive this val...

Страница 17: ...ty of the measurement The standard deviation StdDev displayed by the SONO DIS is a reflection of the quality of the reading The StdDev provides information about the quality of the measurement If the StdDev value is greater than 0 5 the concrete mix is so heterogeneous that it is recommended to take more individual measurements At least 6 single measurements should be taken and a StdDev of 0 1 to ...

Страница 18: ...rpreted as a preliminary value for the cement content or cement type during single measurements providing extra reliability when monitoring and checking a known type of concrete It is advisable for the user to document the particular varieties of concrete that are measured This makes it easier to verify the values during later control measurements In its future research the manufacturer will furth...

Страница 19: ...ion about the probe SONO DIS info Display information about the SONO DIS handheld device Material calibration Select the calibration curve for different materials the Cal 4 setting for fresh concrete should not be changed 8 5 1 Find probe The Find probe menu item can be selected if there were problems communicating with the probe when the SONO DIS handheld device was switched on or if a probe had ...

Страница 20: ...time and press the Measure key to activate it Once the setting has been activated the symbol appears in the top right hand corner of the display Note The SONO DIS only switches off automatically if a key has not been pressed within the set time interval Pressing a key restarts the countdown to switch off 8 5 4 Display lighting The background lighting of the display can be customized if necessary T...

Страница 21: ...tion about your SONO DIS handheld device is displayed if this menu item is selected This information includes Serial number Hardware revision HW Firmware revision FW Battery capacity Battery voltage 8 5 8 Material calibration curves Selecting this menu item allows you to set the SONO WZ probe to another material calibration curve When the SONO DIS is switched on the calibration curve set in this m...

Страница 22: ...netic field lines penetrate the material to be measured to an infinite depth However the SONO WZ probes effective penetration depth which is relevant for measurement is max 5 cm around the probe surface at the dark ceramic plate The field lines around the probe are illustrated in green in the graphic With regard to the intensity of the measuring field it is important to consider that in all dielec...

Страница 23: ...asured in a plastic bucket as this rules out any influence of metal on the measurement Due to the propagation of the measuring field green waves in the graphic select a bucket with a capacity of approx 10 liters as shown below The bucket should be high enough to ensure that there is still sufficient space between the probe and the base of the bucket when the probe is inserted into the concrete To ...

Страница 24: ...n Then remove the probe from the bucket When the probe is removed from the concrete the fresh concrete can segregate at this point and fine particles can enter the cavity Therefore insert the probe at the edge of the bucket again as explained under Point 3 spacing the probe approx 70 90 from the previous position Tap the side of the bucket e g with your foot to make the concrete more compact aroun...

Страница 25: ...cket see the red arrows This ensures a representative concrete mix is present around the surface of the probe Repeat this procedure a number of times inserting the probe at a different point each time Delete any individual measurements that are too far from the displayed average value Note Kiln dried sampling and kiln dry testing of concretes with a flow class of F5 and F6 can also deliver inaccur...

Страница 26: ... then whether a deviating SONO WZ measured value with an excessively high water content should be interpreted as problematic The measured value can fluctuate in the case of concretes that do not meet the specifications of DIN EN 206 1 and DIN 1045 2 e g concretes that tend to bleed Incorrectly mixed concretes are difficult to measure with the SONO WZ but also with the kiln drying test ...

Страница 27: ... manufacturer has often been asked about problems and non conformities during a laboratory test which was performed as follows The water content of approx 8 liters of fresh concrete was measured in a bucket using SONO WZ SONO WZ gave a reading of 178 liters m3 for example After this 50 grams of water were added to the fresh concrete which would correspond to an increase in the water content from 1...

Страница 28: ...nd the SONO WZ reading of 170 liters m3 What happened here As the concrete was mixed in the twin shaft mixer without being continuously mixed again in the truck mixer the kiln dried sample during the first sampling contained a lot of large gravel pieces These large gravel pieces resulted in a considerable error during sampling there were simply too many large pieces of gravel in the sample which d...

Страница 29: ...tent Kiln dried sample of 1 5 kg 2 large gravel pieces produce an error of 9 liters m3 Approx 5 pieces of 16 32mm gravel Approx 15 pieces of 16 32mm gravel Kiln dried sample of 5 0 kg 2 large gravel pieces produce an error of 3 liters m3 Approx 16 pieces of 16 32mm gravel Approx 100 pieces of 16 32mm gravel It is important to bear in mind that a single piece of 16 32mm gravel weighs between 10 and...

Страница 30: ...individual measurements At least 6 single measurements should be taken and a StdDev less than 0 5 should be displayed before you should stop taking single measurements and accept the measured value as the final result The operation of the SONO DIS with the individual keys probe connection charger etc is described in detail in the manual The following section only explains individual actions along ...

Страница 31: ...e automatically taken back to the CHANGE menu where you can configure more parameters Caution It is important to enter the raw density value as it enters directly into the calculation of the water content As an alternative to determining the raw density on site it is also possible to enter the target raw density in order to obtain acceptable measurement results A density deviation of 0 02 would me...

Страница 32: ...water content would be measured for example In the case of concretes that tend to bleed we strongly recommend taking a higher number of individual measurements as this increases the accuracy and makes for a more representative value The standard deviation Std Dev displayed by the SONO DIS is a reflection of the quality of the read ing If the Std Dev value is greater than 0 5 the concrete mix is so...

Страница 33: ... content result can be accepted in l m3 The measurement series can be cleared by pressing the key and the SONO DIS is then ready for a new measuring cycle Core moisture core water and water absorption SONO WZ measures both the free water in the fresh concrete and usually 1 3 of the maximum core water with a higher weighting of the core water of sand While there are types of rock that absorb very l...

Страница 34: ...k 100 2 1700 100 34 liters per cubic meter Water absorption WA24 Applicable value for the G Set in SONO DIS As the SONO WZ cannot measure 100 of the core water in this example a G Set value of approx 23 liter m3 could be suitable 2 3 of total core water of 34 liters if the effective water content or effective water is to be measured with SONO WZ The G Set value calculated or assumed once for the r...

Страница 35: ...he concrete has been left in the bucket for quite a while it may segregate with the result that the water content of kiln dried samples of concrete taken at the surface would be far too high This is particularly true of concrete with flow class F5 and F6 When weighing the kiln dried sample pay attention to the temperature of the kiln dried sample When weighing a very hot kiln dried sample the upwa...

Страница 36: ... by SONO WZ In principle SONO WZ measures the same parts of water as the kiln drying method 1 The free water in the concrete mix which enters into the calculation of the w c ratio This water is the actual target value that is sought when using the SONO WZ 2 A share of the core water water that is absorbed by the aggregates SONO WZ can only measure a share approx 1 3 of the core water here The core...

Страница 37: ... or glass fibers is somewhat too high Depending on the proportion of air voids or glass fibers the reading shown on SONO DIS can be 5 to 10 Liter m3 too high In this case we recommend reducing the G Set parameter in SONO DIS by 5 to 10 liters m3 depending on the concrete formulation In the case of concrete with steel fibers the water content displayed by SONO DIS is also somewhat too high due to t...

Страница 38: ...ith verified actual values or target values If different varieties of concrete are used and checked repeatedly we recommend that you document the necessary settings for SONO DIS in order to achieve the best possible accuracy with the SONO WZ The following table shows one way of archiving and documenting the information Variety of concrete or variety number Target raw density CHAR parameter G Set p...

Страница 39: ...6 32 Max potential core water or absorbed water of the rock in liters m3 Kiln dry moisture and data regarding the kiln drying process Kiln dry moisture in l m3 incl core water Kiln drying process microwave gas burner Kiln drying quantity in kg Kiln drying time Parameters configured in SONO DIS Raw density in kg dm3 CHAR parameter normal B fine C coarse A or U G Set for formulation with rock type M...

Страница 40: ...n Approx 100mA Measurement Approx 350 mA Measurements per charge 20 C background lighting max Up to approx 5000 Connectable sensors SONO WZ Storage temperature 30 C to 80 C Operating temperature 20 C to 70 C Charging temperature 10 C to 30 C Charging voltage Nom 12V max 15V min 12V Charging current Approx 1A Charging time Approx 2h if battery fully discharged Accumulator battery Ni MH 4 x 1 2V AA ...

Страница 41: ...nt with probe at rest in concrete 2 liters m3 Absolute accuracy 3 of the water quantity Conductivity range 0 to 40dS m Measuring volume 0 5L Probe temperature range 0 C to 50 C Calibration Pre programmed calibrations for fresh concrete Own calibrations possible memory capacity for up to 15 calibration curves Probe degree of protection Water tight potted IP67 protection Probe dimensions 155 x 60mm ...

Страница 42: ...DIS functions in the same way as the MMP20 SONO Mobil HD2 handheld device when used in applications with the SONO M1 probe for sand moisture measurement Therefore the word HD2 may appear on the SONO DIS screen and in this manual The word HD2 is understood to also apply for the SONO DIS in this context ...

Страница 43: ...ement Serial No Serial number of the probe or SONO DIS HW Hardware version FW Firmware version Measurement The SONO DIS handheld device has three operating modes Single value single value display displays the measured variables moisture temperature and EC Trime Average displays the average moisture value calculated from up to 6 individual measurements Water calculation calculates the water content...

Страница 44: ...f material e g sand gravel etc Once the SONO DIS handheld device is switched on the following screen is displayed in the Average measuring mode after the initial start up screen To start measuring press the Measure key briefly The device starts measuring and a rotating symbol appears in place of the battery in the top right hand corner for the duration of the measurement process No other actions c...

Страница 45: ...alculated correctly To delete the measurement series press the Down key To set the density press the Up key in the measurement window The following screen then appears Set the density of your material with the Up and Down keys and press the Measure key to confirm your entries You return automatically to the measurement window You can exit the density setting with the Settings key without changing ...

Страница 46: ...l measure the parameters moisture temperature and EC Trime Average get an average of up to 6 moisture measured values Water calculation calculates the water content in l m3 Material cal Select the desired material calibration in the probe Customize a material calibration Find probe Search again for a connected probe if an error occurred during power up Language Change the system language German En...

Страница 47: ...tes the water quantity in the material being measured in l m To be able to measure larger volumes of material a material sample can be taken at several points and an average calculated Press the Up and Down keys to highlight the desired entry and press the Measure key to select it Once the entry has been selected the symbol appears in the top right hand corner of the display indicating that the op...

Страница 48: ...window by pressing the Up key Menu item CUSTOMIZE Here you have the option of performing your own material calibrations or of customizing existing calibrations to suit your particular needs Two options are available for this 1 point calibration Adjusts the calibration curve to the selected point The slope is not changed Just one material sample is required 2 point calibration Creation of a linear ...

Страница 49: ...sit time is displayed briefly NOTE Before you start measuring make sure that the rods of the probe are fully immersed in the material to be measured The probe must remain in the material for the entire duration of the measurement and should not be moved CAUTION If you select SAVE at the end of the calibration you overwrite one of the pre configured calibrations or one you may have already modified...

Страница 50: ...aterial and then upper moisture value wetter material Procedure At the start of the calibration the calibration memory 01 15 to be overwritten must be selected with the Up and Down keys Press the Measure key to accept the setting Then set the percentage moisture of the lower moisture value using the Up and Down keys and again press the Measure key to confirm your entries To start measuring the mat...

Страница 51: ...n be saved to the calibration memory set at the start Save The selected memory is only overwritten once the Measure key is pressed The word OWN now appears in front of the original memory name to clearly indicate which memory has been overwritten Tip Back up the calibrations you have saved on the probe to your PC using the Pico Config software and an RS485 adapter e g SM USB This allows you to tra...

Страница 52: ... TRIME TDR technology there is almost no reason for businesses to rely on inaccurate and complicated technology to measure moisture Measuring volume of SONO M1 probes In theory the electric and magnetic field lines penetrate the material to be measured to an infinite depth However the SONO M1 probes effective penetration depth which is relevant for measurement is approximately twice the distance b...

Страница 53: ...ial up to the blue probe body To get a representative moisture value for your material select the Average operating mode and take the measurements at different points in the pile Please note that your material will be drier at the surface than in lower layers after a longer period of dry weather However if it has recently rained after a longer dry spell the material at the surface will be wetter F...

Страница 54: ...ssible accuracy with the measuring system The entire length of the rod probes must be immersed in the material to be measured The container must have a volume of 10 liters or more and must be of a non metal material The container must be roughly cylindrical The level of product in the container must be at least 5 centimeters greater than the probe rod length ...

Страница 55: ...like the sand can be packed further after dropping the container for the fifth time repeat the procedure another few times Insert the probe into the sand Once the base of the probe reaches the sand surface push the probe in slightly further do not jiggle the probe or turn it while inserting it 1 In the case of gravel and grit shake the container while introducing the probe Otherwise it is very dif...

Страница 56: ...e times so that you have 3 measured values in total Pour the sand into a second bucket so you can take readings from the sand at the bottom this is particularly relevant for gravel and if the sand is close to saturation as any water can settle in the bottom of the container Repeat steps 2 to 4 three more times so that you have 6 measured values in the end Document the average of the 6 measurements...

Страница 57: ...57 Replacing the probe rods If the probe rods break they can be easily replaced 1 Lay out the probe rods seal and probe body 2 Push the sealing rings into the boreholes 3 Push the seal in as far as the thread 4 Screw the rods into the probe body ...

Страница 58: ...urement in sand and gravel High tech sensor with integrated TDR electronics Measured value range from 0 to 40 vol Integrated temperature sensor Can be used for total conductivity values of up to max 5dS m bulk soil conductivity Measuring volume 1000ml Robust IP68 time tested and suitable for long term use ...

Страница 59: ...C to 50 C Material temperature accuracy 0 5 C when fully and permanently in material Measuring volume 1 0L 130x100mm diameter Probe temperature range 15 C to 50 C Calibration Pre programmed calibrations for sand gravel and grit Own calibrations possible Memory capacity for up to 15 calibration curves Calibration curve possible for the dielectric constant Probe degree of protection Water tight pott...

Страница 60: ...the manual before you connect and operate a sensor or measuring system The manual is an integral part of the product and must be kept in an easily accessible location near the sensor or measuring system Safety is compromised The sensor or measuring system is designed according to EN 61010 safety requirements for electrical equipment has been tested and left the factory in a condition in which it i...

Страница 61: ...sories included in the scope of supply Contact the manufacturer if you require additional accessories or a replacement Do not use the measuring device If the measuring device sensor power adapter or accessories are damaged The sensor or measuring system does not work as intended The power cable or plug are damaged The sensor or measuring system has been dropped Plug out the power adapter If you wi...

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Страница 64: ...www addresses endress com 71418836 71418836 ...

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