SDT Sherlog Kit Master SDT270 Technical And User'S Instruction Manual Download Page 53

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SDT 8 MS transmitter

18.1

Transmission characteristics

Function

Ultrasonic multi‐transmitter

Frequencies

Stabilized at 39.2 and 39.6 kHz (bi‐sonic mode).

Nbr of transducers

Transmission power

Power control in 6 levels

Typical values form 1 to 6 : ‐20dB, ‐15dB, ‐9dB, ‐6dB, ‐2dB, max.

Maw trans. Power

8 x 125 mW

Dispersion

240 °

18.2

Supply

Voltage/capacity

12V DC/1,2 Ah.

Battery

Sealed lead‐acid gel type rechargeable.

Recharge

By means of an external charger and integrated connector (without removing the battery) or
by using a charge adapter (removing the battery).

Autonomy

2.5 to 3.5 hours at 20 °C. (depends on the selected level)

Charging time

6 hours.

Safety

Chemical control fuse with automatic reset.

18.3

On / Off switch

Command

By On/Off switch

Visual indication

On/Off/Battery charge control indicator. Flashes when undercharged.

18.4

Others

Temperature range

‐20° C to +50° C ( °F)

Dimensions

160 x 100 x 95 mm (L x W x H)

Weight

1.5 kg

Summary of Contents for Sherlog Kit Master SDT270

Page 1: ... 415 B 1190 Brussels Belgium Tel 32 0 2 332 32 25 info sdtultrasound com www sdtultrasound com 1 60 Sherlog Master Kit SDT270 receiver and SDT 8 MS transmitter Technical and User s instruction manual You can download the latest version of this manual by visiting the SDT International website www sdt eu ...

Page 2: ...t the written permission of SDT International n v s a The information herein is believed to be accurate to the best of our knowledge Due to continued research and development specifications of this product can change without prior notice In this manual SDT International n v s a is named SDT SDT International n v s a Bd de l Humanité 415 B 1190 Brussels BELGIUM Tel 32 2 332 32 25 Fax 32 2 376 27 07...

Page 3: ... 4 1 2 Applying ultrasonic waves on the Sherlog 11 4 1 3 SDT270 receiver features 11 4 1 4 Updating possibilities 11 4 2 The keyboard 12 4 3 The display 13 4 3 1 Startup PowerDown screen 13 4 3 2 Measurement screen 14 4 3 3 Type of sensor used 15 4 3 4 Date Battery autonomy Time 15 4 3 5 The measured data and its additional information 15 4 4 The front view 16 4 5 The rear view 17 4 6 Charging the...

Page 4: ...mitter description 31 12 Using the multi setting transmitter 32 12 1 Recommendations 32 12 2 Working position 32 12 3 Powering On 32 12 4 Setting the transmitting power 33 12 5 Measurements 33 12 6 Powering Off 33 13 Charging the SDT 8 MS transmitter battery pack 33 14 The multi transmitter operational problems 35 14 1 Ultrasonic transducer 35 14 2 Control fuse 35 Using the SDT270 receiver for an ...

Page 5: ... data 49 Technical specifications 17 SDT270 receiver 51 17 1 Measurement instrument 51 17 2 Internal ultrasonic sensor 51 17 3 Flexible sensor 52 17 4 Battery charger 52 18 SDT 8 MS transmitter 53 18 1 Transmission characteristics 53 18 2 Supply 53 18 3 On Off switch 53 18 4 Others 53 Appendixes 19 SDT270 Declaration of conformity in the European Union 55 20 SDT 8 MS Declaration of conformity in t...

Page 6: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 6 60 First and foremost ...

Page 7: ... property of SDT The information herein is believed to be accurate to the best of our knowledge All rights reserved No one is permitted to reproduce or duplicate in any form the whole or part of this document without the written permission of SDT 1 2 Operator safety The operator must take all necessary precautions when using the equipment in high risk areas under high noise levels high light and r...

Page 8: ...ber tip 1 x Headphones noise isolating 1 x Y plug connector for headphones 1 x USB flash drive for data transfer from SDT270 receiver to PC 1 x Cable USB Length 1 5 m SDT 8 MS transmitter 1 x SDT 8 MS transmitter multi setting with battery 1 x Leather case for SDT 8 MS 1 x Spare battery pack for SDT 8 MS 1 x Battery loader for SDT 8 MS 1 x Battery loader adapter for SDT 8 MS 1 x Screw driver for t...

Page 9: ... customer may have their own Quality Assurance Standards and internal requirements If a customer has established a Quality Assurance Program that includes a documented procedure for measurement deviations and if an instrument and the relevant sensor show acceptable deviations and do not show signs of physical damage then calibration periodicity could be extended to two years Third party organizati...

Page 10: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 10 60 The SDT270 receiver ...

Page 11: ...nic signals converts them to audible frequencies and amplifies them The challenge is to transpose the received signal using the heterodyne technology into an interpretable audible signal This solution extends the ability of the human ear beyond the simple audible range and into the ultrasonic one 4 1 3 SDT270 receiver features The SDT270 receiver provides Data storage Tamper proof hatch cover surv...

Page 12: ...value or take measurement in static mode Start recording Only used when measuring ultrasound and noise levels dBµV in dynamic mode Navigation keys Moving the cursor up and down within menus Increase reduce amplification level The A on screen is modified measurement screens Scroll up and down through menus and sub menus In Decrement alphanumeric digits Used during the text entering procedure or to ...

Page 13: ...set by the user The function keys The function of a function key is related to the displayed symbol or text above on LCD screen There are 3 function keys provided which are referred to as F1 F2 F3 Escape Button Function key F1 is considered as the general escape key If no icons or text are shown on the screen press function key F1 to return to the previous menu 4 3 The display 4 3 1 Startup PowerD...

Page 14: ...ternal RPM sensor Bottom row B Black external input connector R Red external input connector 3 Function menu icon text Icon or text related to the function key below 4 Measured value The measured value after pressing the M button This value will be stored by using the Save button 5 Current value The continuous measured value This value gives an indication of the actual measured ultrasounds 6 Unit ...

Page 15: ...nformation described in the lower paragraphs which are Measured value Measurement unit Selected amplification level Up and down arrows when a change of the amplification level is required The measured value The measured value is shown in the middle of the screen This value can be refreshed by pressing repeatedly on the M button The measurement is stored by pressing the save button Stored measureme...

Page 16: ...t level For example at A 40 the instrument will display all measurements above 29 dBµV and will not display sounds lower than 29 dBµV The table below indicates the correlation between the different amplification levels the gain and the correspondent minimal sound level in dBµV A 10 20 30 40 50 60 70 80 90 Gain 3 10 30 100 300 1000 3000 10 000 30 000 Min 1 59 49 39 29 19 9 0 4 7 7 5 For the above m...

Page 17: ...e SDT270 receiver in order to listen to the converted ultrasounds The Y plug is used to connect a second set of headphones The network connector Allows an Ethernet connection to the device This connection gives the same functionalities than the USB connection but ensures a faster communication The battery charger connector This 3 pin connector is used to make the connection with the battery charge...

Page 18: ...You can also trickle charge the SDT270 receiver switched on so you can be using it to load and unload data for example and charge it at the same time 4 7 The battery autonomy A fully charged battery will give you about 8 hours of continuous use This will vary of course depending upon your need to use the backlight and the power drain of certain external sensors that you might be using You can incr...

Page 19: ...n 5 1 Menu icons Power up down menu Icon menu Text menu Function Power Down Power down the device Sherlog Mode Enter the Sherlog mode of the device used for hatch cover tightness testing survey Measure Mode Enter the Measurement mode used for predictive maintenance applications Settings menu Icon menu Text menu Function Return Return to the previous screen Language Set the device language Time Dat...

Page 20: ...y Start a new Hatch Cover Test survey Browse survey resume Browse and display completed surveys Resume surveys Survey menu only in Sherlog Mode Icon menu Text menu Function Return Return to the previous screen Go To Hold Hatch Continue the survey to the next hold hatch View Survey Data Display the current survey data End survey End the survey 5 2 Information icons Icon Description Operator informa...

Page 21: ... Switch between sensors Internal and External sensors Switch between Static Dynamic Variable Mixer measurement mode Display and or set sensor options Save options Undo all changes Put laser on Put laser off Increase value Decrease value Activate editing mode Activate displaying mode allows to see survey data no editing allowed Delete Erase a character Ok Continue ...

Page 22: ...log mode The Sherlog main menu screen is displayed as follows 6 2 The Sherlog main menu screen Presentation When the startup screen is shown select Sherlog to access the Sherlog Main menu The active keys are Key Function Scroll up and down through menus and sub menus Enter validates the choice the inverted line Activate backlighting This key is available at any time On Off switch This key is avail...

Page 23: ...ctory reset of the SDT270 device Note that this does not erase saved measurements System Info Displays the device information as follows Licence information screen 1 Calibration information screen 2 Battery information screen 3 Hardware information screen 4 Database info screen 5 Use the Up and down arrow buttons to switch between the different screens Push the F1 button to go back to the Sherlog ...

Page 24: ... setting Use the up or down arrow buttons to resp increase decrease Confirm your choice by pressing the enter button To move from time to date format time zone press the left or right buttons Leave this menu by pressing the F1 escape button The available date and time formats are 24h yyyy mm dd 24h mm dd yyyy 24h dd mm yyyy 12h yyyy mm dd 12h mm dd yyyy 12h dd mm yyyy The default time setting is i...

Page 25: ...nu by pressing the F1 escape button 7 2 5 Network settings From the Settings menu select Network Enter the IP address and Default gateway Your system administrator and or the network administrator will have this information See 0 Connecting the device on a computer network Leave this menu by pressing the F1 escape button When your device is not connected to a Network it is advised to parameter the...

Page 26: ...alibrated Press the Arrow Down key Battery Information Shows the serial number of the battery pack and the battery capacity when it is fully loaded Press the Arrow Down key Hardware Information Shows the equipment number the PCB number and the version of the device Leave these information screens by pressing the F1 escape button 9 Start new survey Menu This function allows to start a new hatch cov...

Page 27: ...sting data can be deleted or changed Only an in progress hatch cover test procedure can be completed or a new hatch test section can be added Icon Function Function key F1 Returns to the main menu Function key F2 Resume the selected survey Function key F3 Display and browse through the selected survey data Once you are in a survey pushing on F1 does not allow you to go back to browse menu you have...

Page 28: ...t procedure is followed this means that every part is to be considered as a new hold hatch and that the complete procedure as for a new hatch has to be followed The active keys are Key Function Scroll up and down through all holds and hatches of the survey Scroll through all the measurements on the screen Function key F1 Exit the browse screen menu 10 2 2 Resume a survey Once the survey which is s...

Page 29: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 29 60 The SDT8 MS transmitter ...

Page 30: ...crewdriver not shown The multi transmitter with its main dedicated components 11 2 Presentation The box shaped multi transmitter 160 x 100 x 95 mm is operated with a sealed lead acid gel battery and weights 1500 grams The battery allows the transmitter to be used in temperatures ranging from 20 C to 50 C 1 Ultrasonic transducer 2 Six position potentiometer 1 minimal ultrasonic power 3 Red light on...

Page 31: ... possible when used with the SDT charger provided Batteries can be charged during use Batteries will charge slower when the equipment is in use The charge connector is located on the side of the multi transmitter The battery The sealed lead acid gel type battery is accessible after having removed the bottom protection plate The rated voltage is 12V and its capacity is 1 2Ah at 20 C the autonomy is...

Page 32: ...e placed ideally in the center of the tank top The multi transmitter covers an operational spherical volume of 20 meters 60 ft around its position For larger volumes the multi transmitter should be moved several times it is then necessary to take a new OHV Open Hatch Value measurement after having repositioned the transmitter If the hold is not empty the multi transmitter can be placed on top of t...

Page 33: ...ons Upon reception the battery packs should be recharged Recommendations The battery is a sealed lead acid gel battery Therefore Short circuit of the contacts is dangerous The battery must not be discarded onto a flame Recharging in a sealed box is prohibited gas leaks All mechanical shocks able to break the box may adversely affect the life of the battery In the case of electrolyte coming into co...

Page 34: ...base of the multi transmitter by means of the screwdriver provided with the SDT Sherlog Kit Master and remove the battery Before every recharging operation unplug the battery charger from the mains and re plug it in order to reset the internal timer Connect the plug to the battery s support socket Place the battery in the support contacts inside There is no preferential direction for the battery L...

Page 35: ... or more transducers as necessary Water in the transducers leave to dry and check that there is no water left etc Dust debris and grease try to clean gently do not used compressed air to clean blow out any impurities Above damages problems will reduce the transmission power significantly which may result in incorrect measurements so that corrective action is required Note The failure of one or two...

Page 36: ...MAS EN 02X Sherlog Master user manual Eng docx 36 60 Using the SDT270 receiver for an ultrasonic hatch cover tightness test Complies with the DNV Approval Program n 403 survey procedure approved by IACS in July 1997 ...

Page 37: ...and time LT Use arrow up and down keys to change to values Use arrow left and right keys to move to the next position Press enter key to confirm and leave this screen 15 2 Positioning the SDT 8 MS transmitter The multi transmitter should be placed according to paragraph 12 2 Working position 15 3 Starting a survey procedure Note Prior to starting a new survey ensure that all settings are adjusted ...

Page 38: ... Press function key F1 to go back to the previous screen Press function key F2 to delete a character 8 Enter the port name by using the arrow keys Press the enter key to confirm Press function key F1 to go back to the previous screen Press function key F2 to delete a character 15 3 2 Carrying out an on site functional test It is mandatory to proceed to an on site test in order to check the full fu...

Page 39: ...r in the hold Press the enter key to continue 12 Enter the position of the SDT8 MS transmitter in the hold Use the arrow keys the move the cursor around Press the enter key to confirm the location Press function key F1 Exit to go back to the previous screen 15 3 4 Storing the Open Hatch Value Prior to testing the tightness of hatch covers the operator is requested to measure the OHV Open Hatch Val...

Page 40: ... cursor around Press the enter key to confirm Press function key F1 Exit to go back to the previous screen 16 During the save action a confirmation screen is shown Note an additional Open Hatch Value can be memorized if needed 15 3 5 Storing a measurement Proceed as follows Direct the flexible sensor to the area to be controlled A measurement is to be performed while listening to the sound in the ...

Page 41: ...ey to confirm Symbol Text Symbol Text Open Hatch IN Open Hatch END Spot Leak Ventilator Linear Leak Loading Port Drain Step Screen Key Action 22 Enter the location of the leak on the screen Use the arrow keys the move the cursor around Press the enter key to confirm Press function key F1 Exit to go back to the previous screen 23 An additional comment can be added to the leak Press the enter key to...

Page 42: ... to store the measurement 28 Select Open Hatch END Press the enter key to confirm 29 Enter the location of the measured Open Hatch End Value on the screen Use the arrow keys the move the cursor around Press the enter key to confirm 30 During the save action a confirmation screen is shown 31 Select one of the following options Return to the measurement screen to add an additional OHV End value Go t...

Page 43: ...xt mode Key Action 1 Switch on the SDT270 receiver 2 Enter the Sherlog Mode Select Sherlog Press the enter key 3 Resume a hatch cover test procedure Select Browse survey resume Press the enter key 4 Select the survey Press function key F2 to resume the survey This function allows to resume the survey from the moment it was interrupted Always keep in mind that Stored data cannot be modified afterwa...

Page 44: ...s Step Screen Key Action 1 Select New operator and press the enter button 2 Enter the operator s name by using the arrow keys Press the enter button to confirm 3 Enter the operator s Certificate number and the certificate expiration date Press the enter button to confirm A certificate renewal status can only be entered after you have entered the original details of the certificate Afterwards you c...

Page 45: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 45 60 The Sherlog report software ...

Page 46: ... your computer and run the file starMe exe After choosing Sherlog and then Sherlog Master select Install Reporter Software Online installation Download the file SDT270 SherlogReporter msi on your computer and run this file when download is complete Starting up the installation You should now see the following screen Click Next Then the following screen appears By default the SDT270 SherlogReporter...

Page 47: ...rrows are used to increment or decrement a field value Enter the IP address and Default gateway Your system administrator and or the network administrator will have this information For more assistance please contact your system administrator Enable the LAN by setting the LAN enabled field to Yes When your device is not connected to a Network it is advised to parameter the LAN to disable This sett...

Page 48: ...e is shown please check if the device is connected and swithed on If the download was successful you will see the following screen Only finished surveys can be downloaded Select a survey and click the Hatch Cover report button You will see the following screen Browse to the desired report location and click Save A MS Word 2010 report docx is generated at the specified location Example of the gener...

Page 49: ...ch the software SDT270 Sherlog Reporter The screen displays the main page Click Clear Device Data You will see the following screen Check the correct option depending on how the device is connected to the computer Click Transfer An additional confirmation is required Click OK After this operation all taken Hatch cover test surveys are erased from the device Please notice that the list of operators...

Page 50: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 50 60 Technical specifications ...

Page 51: ...ack Rechargeable battery type 8 cell 4 8 V 4400 mAh NiMH Nickel Metal Hydride Nominal Capacity 4 4 Ah Life span 500 to 1 000 charge discharge cycles Autonomy 8 hours without backlighting Recharge time 6 to 7 hours Protections Short circuit reverse polarity and temperature protected Auto power down Auto power down after preset time Operating temperature 15 C to 60 C 14 F to 140 F non condensing Hou...

Page 52: ...Hz Output voltage 4 0 or 8 5 V DC depends on operating mode Current 1000 mA maximum Protections temperature protected limit set at 60 C 140 F Status indicator Two color LED type Green LED is continuously lit battery is fully charged Green LED flashes evenly normal charge One red flash every 5 seconds Battery Voltage error Two red flashes every 5 seconds Over temperature error Three red flashes eve...

Page 53: ...upply Voltage capacity 12V DC 1 2 Ah Battery Sealed lead acid gel type rechargeable Recharge By means of an external charger and integrated connector without removing the battery or by using a charge adapter removing the battery Autonomy 2 5 to 3 5 hours at 20 C depends on the selected level Charging time 6 hours Safety Chemical control fuse with automatic reset 18 3 On Off switch Command By On Of...

Page 54: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 54 60 Appendixes ...

Page 55: ...ted in de EMC 89 336 CEE directive The equipment contains the logo of being compliant to the current CE regulations To be able to operate by state of the art rules as stipulated in the directive it has been designed by the following rules The SDT270 does not radiate electromagnetic waves EMC The SDT270 is immunized against external electromagnetic radiation EMI The SDT270 is protected against elec...

Page 56: ... safety stipulated in the CEM 89 336 EEC directive The equipment carries the conformity label To implement the safety prescriptions stipulated in the Directive as well as possible the following standards were taken into consideration So the transmitter Does not emit any electromagnetic waves EMC Is immunised against transmissions of external electromagnetic waves EMI Is protected against electrost...

Page 57: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 57 60 21 Copies of certificates Copy of a Functional Test Report ...

Page 58: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 58 60 Copy of a Calibration Report ...

Page 59: ...File name MAN MAS EN 02X Sherlog Master user manual Eng docx 59 60 Copy of a Certificate of Qualification ...

Page 60: ...particular it does not cover defects arising from the customer s faulty maintenance installation handling service or inspection or non compliance with SDT s instructions in this User Manual in SDT s Technical Specifications or given otherwise or from repairs alterations or adjustments carried out without SDT prior written consent or from repairs alterations or adjustments carried out improperly by...

Page 61: ...l Eng docx Addendum Revision table 02 BDK 2014 10 30 Modif section 3 2 calibration periodicity Removed section concerning USB driver installation Lay out adaptations GEL 01 SBT Original version Revision Writer Nature of modification Approved ...

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