SMD-300 Selective Pulse Metal-Detector
Contents
1. Close but small item Deep item s occurrence 7 Fig 24 VVhile its parameters are uncertain over the weak level of the signal received small size of detected item or its great occurrence depth fig 24 26 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual IL VERTICAL LINE on Z axis see lines 1 2 3 on the ETAL SEARCHING fig 25 26 27 corresponds ax 18 Snax S to detected item as equivalent to virtual single thickness metallic plate N 1 V N o m 72 T un 72 Q At that Position of that line on Z axis Z co ordinate corresponds to item s occurrence depth Line s height corresponds to an average plate s Cross cut size 4 1 SIZE Line s thickness corresponds to equivalent Plate s Cross cut thickness at the same time one pixel complies with 0 1 mm of the plate thickness r a Greh bal Exit Fig 25 26 27 STT Group Special Technique amp Equipment Moscow Russia 27 User Manual SMD 300 Selective Pulse Metal Detector Occurrence Detected item to be represented as virtual single metallic plate see fig 28a Fig 28 28 STT Group Special Technique amp Equipment Moscow Russia egz SA yeld MVU I BWIS UNJITA U se QZ SY 995 WAN PIJII2. l Refresh button for activation automatic battery refresh charging mode Red Power LED for charger s ready for service confirmation Green Charge LED for charging mode confirmation Yellow Refresh LED for refresh mode confirmation LCD for battery charging status indication 56 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual E battery is flat 25 50 75 battery is charged to 25 50 75 F battery is fully charged 6 DC 12V INPUT socket for AC 120 230V 50 60Hz or car adapter DC 12V 10 fig 2 7 Output voltage switch 8 Output voltage socket 9 Charger s terminals STT Group Special Technique amp Equipment Moscow Russia 57 SMD 300 Selective Pulse Metal Detector User Manual STANDARD CHARGER OPERATING ORDER Couple AC adapter to a corresponding socket on a side vvall of battery charger fig 60 Connect AC adapter to vvall outlet NOTE battery charging from a car battery is available via dedicated cable see 10 fig 2 BATTERY CHARGING OPERATING ORDER Couple the battery to the charger fig 61 NCL 303 G e POLARITY VOLT AC DC ADAPTOR INPUT AC 120 230V 300 160mA 60 50Hz DC m aA 55 souoneg 58 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector U
3. m LE SS ESSE 1 A T XHONOrAN USER s MANUAL 2011 SMD 300 Selective Pulse Metal Detector CONTENTS Preface Warning Description Complete set SMD 300 main technical parameters Principal of operation SMD 300 design Main unit front panel Main unit bottom plate Control unit with indication panel SMD 300 controls Main menu operation modes and indication TEST mode COMPENSATION EMI mode METAL SEARCHING mode Detected item graphic display Operational mode menu Team work with PC Getting started Unpacking and setting up SMD 300 power supply Performance check Operating SMD 300 metal detector User Manual CO ON 12 13 15 16 17 18 19 n p 22 25 34 39 41 41 43 46 49 2 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Investigation of uniform matter without metallic inserts Investigation of Uniform matter with regular metallic inserts Investigation of uniform matter with typical discrete metallic items or regularities Appendix I SMD 300 battery charge Shipping and storage Certificate of acceptance Warranty For notes PREFACE This User s Manual describes SMD 300 Selective Pulse Metal Detector design and principle of operation It should be read carefully to ensure correct use and maintenance of the instrument VARNINGS SMD 300 M
4. passenger cabin by any mode of transport Prevent packing from shock and vibration The SMD 300 can be stored as supplied in its carrying case in heated areas warehouses with ambient temperature 5 C 40 C and relative humidity not more then 80 under CERTIFICATE OF ACCEPTANCE Metal Detector SMD 300 serial number 18 in conformity with main technical parameters and accepted for use WARRANTY Warranty period for SMD 300 is 18 months from the date of sale The manufacturer guarantees normal functioning of the device under the conditions of following all requirements of this Manual by User In case of faulty within Warranty period the manufacture will repair the device free of charge Warranty period does not cover the battery 62 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual STT Group Special Technique amp Equipment Moscow Russia 63 SMD 300 Selective Pulse Metal Detector User Manual 64 STT Group Special Technique amp Equipment Moscow Russia
5. User Manual INVESTIGATION OF UNIFORM MATTER WITH REGULAR METALLIC INSERTS PLASTER REINFORCED BY METAL GRID AND ETC Place Sensor unit on the surface to be investigated Pass to the Main menu Plaster reinforced by metallic Sensor unit STT Group Special Technique amp Equipment Moscow Russia 51 SMD 300 Selective Pulse Metal Detector User Manual Keeping Sensor position invariable switch on COMPENSATION EMI mode and vvait for its completion Switch on METAL SEARCHING mode select Grph or Text screen imaging referring operator s convenience Further one should follow abovementioned sequence of operations for uniform matters Scan the sensor along the surface not faster then 5 cm s Referring tone amp level of an audio signal in the headphones define and mark the spot where they are distinctly higher as compared to ones in adjacent areas Place Sensor unit on a spot with a maximum signal response Referring graphic image on the screen in a Graph mode or data displayed in digital form in Text mode fig 51 determine parameters of detected metallic item or metallic irregularities see fig 53 in a structure under control bugs slot antennas Fig 53 Few samples of irregularities 1 amp 2 in a regular plaster filling 52 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector
6. current knovvn as Foucault currents are originated in metallic items from the outside pulse magnetic field Pulse magnetic field is formed by two transmitting coils housed in a round Sensor body Foucault currents are arisen in a part of the metallic body that is closer to the sensor and is under the influence of the coils Foucault currents magnetic field is captured by receiving coil of the sensor and processed by build in uP Dedicated algorithm is used for this purpose The analysis results are displayed on a built in LCD in a digital or graphic mode on operator s preference Corresponding audio signal can be heard in the headphones as well The tone and loudness of it are adequate to the signal level received SDM 300 operation is available by means of Control unit with indication panel All operational modes and the data obtained are displayed on a build in LCD 12 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual SMD 300 DESIGN SMD 300 Detector represents a portable set that in operational status consists of see fig 5 1 Main unit transceiver module 2 Sensor with a handle 3 Control unit with indication panel and connecting cable 4 Headphones Fig Main unit front panel STT Group Special Technique amp Equipment Moscow Russia 13 SMD 300 Selective Pulse Metal Detector User Manual Fig 7 SMD 300 Detector
7. of plates In that case the table consists of item s parameters conformed to each plate see fig 37 for your reference 1 st plate parameters 2 nd plate parameters Fig 37 The following item s parameters are displayed on a screen T mks time parameter microsecond NOTE Time parameter value T under the rest equal status depends exclusively on the kind of a metal discovered during the investigation At that T value for ferrous metal is higher while that for non ferrous one is lower D cm average cross cut dimension 36 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Z cm occurrence depth W mm virtual plate thickness Fig 38 a b c On the fig 38a b c depicted for one s reference one can see the table of parameters vvhen no 1tem vvas discovered i e N 0 or response signal was too weak fig 38 STT Group Special Technique amp Equipment Moscow Russia 37 SMD 300 Selective Pulse Metal Detector User Manual 3 Vol the 3 rd position of a screen s bottom line serves for adjusting the headphones volume control fig 34 At that VOLUME label is displayed on the screen fig 39 while the value itself is presented in for operator convenience The default value is 50 Fig 39 NOTE After svvitching on SMD 300 Detector the audio signal level in the headph
8. top of the tanui Press down 1 battery terminal plate Press down 1 Batteries on the fig 45b and slide it Pons one klick vvhen away from battery is oneself 2 on fixed 3 the fig 45c Fig 45a b c 44 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual NOTE for reference To remove the battery Press battery lock downward 1 on the fig 46a Slide the battery towards oneself 2 on the fig 46b Take away the battery from the top plate of the Main unit GP Batteries Press down 1 Take avvay the battery Slide 2 Fig 46a b STT Group Special Technique amp Equipment Moscow Russia 45 SMD 300 Selective Pulse Metal Detector User Manual PERFORMANCE CHECK Place Main unit on operator s belt see fig 6 for reference Put on headphones Grasp Control unit with one hand while sensor unit with another see fig 7 for reference Press POWER button 1 on fig 12 to switch on Detector Use gt 4 and ENTER buttons to activate METAL SEARCHING mode Referring battery status Battery status indicator estimate 11 condition fig If necessary replace Fig 47 the battery Use bb 4 and ENTER buttons to select Pmax mode 1 on fig 34 46 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse
9. COMPLETE SET see fig 2 e m pe TJ TI 6 5 Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Fig 2 Complete set STT Group Special Technique amp Equipment Moscow Russia 7 SMD 300 Selective Pulse Metal Detector User Manual 4 11 10 5 9 3 6 2 8 1 7 Fig 3 SMD 300 Detector set in a carrying case SMD 300 MAIN TECHNICAL PARAMETERS Probe signal transmitting modes 1ntensity of emitted magnetic field Pmax K Pmin Magnetic field strength at the Sensor unit geometric center 50 A m in a Pmax mode 25 A m n a Pmin mode Probe signal repetition rate 1 kHz Receiver sensitivity not worse 10uV 500 kHz band under 10 dB s n ratio STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Receiver dynamic range not less 100 dB AGC 1s ON Signal analysis period at a single spatial point 0 25 Indication Audio headphones amp Visual LCD DETECTION RANGE and the range of a searching object parameters evaluation virtual shape dimensions and depth of burial in a uniform medium see Table 1 Table 1 Detection range cm Metallic item Detection Ep evaluation Imitator Fr nn 4117777777 20 18 15 13 metallic housing Thin wall metallic housing detection range not less 6 cm 9V battery equivalent NOTE detectio
10. Metal Detector User Manual Place Sensor unit in open air at least 1 m from surrounding Fig 48 metallic items Fig 48 Press 4 and ENTER buttons to activate COMPENSATION EMI mode in the Main menu fig 14 and 16 and wait for its completion Activate METAL SEARCHING mode and graphic mode Grph in operational modes menu see display bottom line fig 34 Use gt 4 and ENTER buttons to engage headphones audio volume control Vol see fig 39 STT Group Special Technique amp Equipment Moscow Russia 47 SMD 300 Selective Pulse Metal Detector User Manual Bring any metallic item closer to the SMD 300 sensor so that lickering concentric circles appear in a graphic display center Sensor unit Metallic item Fig 49 Use D 4 to adjust minimum audio signal in the headphones That level would correspond to the minimum signal response from metallic item SMD 300 detector is ready for operation 48 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual OPERATING SMD 300 METAL DETECTOR INVESTIGATION OF UNIFORM MATTER WITHOUT METALLIC INSERTS Place the sensor on the surface to be inspected fig 50 Return to the Main menu Turn on COMPENSATION EMI mode and wait for completion of the process keeping position of the sensor invariable Switch over to METAL SEARCHING mode Select indication mode Gr
11. PIT User Manual SMD 300 Selective Pulse Metal Detector 8 L WO LT SSI Z 199 s s UT ay 0 E UO Spuodsa 1109 oui SSOUYITY 5 93814 IUOIJA9A JO ISP IY o spuodsa 1 109 3d enjurA 8 yo ZIS a no ss01 la STT Group Special Technique c Equipment Moscovv Russia 29 SMD 300 Selective Pulse Metal detector User s Manual VERTICAL RECTANGLE on Z axis see fig 29 30 and 31 corresponds to the detected item of a shape more complicated then a simple metallic plate N 2 or 3 At that Position of the left border of that rectangular corresponds to the item s occurrence depth Rectangle s height corresponds to an average cross cut 1tem s dimension i e dimension of the surface close to detector s sensor Line s thickness corresponds to the thickness of the item s surface close to detector s sensor Depth L 4 EAN Pet CRN Fmax We NI Surface s thickness Cross cut size Fig 29 30 31 User Manual SMD 300 Selective Pulse Metal Detector TE SLA EZ SU 998 SaJe d pen nA 291 10 0M SE IQ 0 dvus 9JLILTJUT UB JO WAN p q i adeys 9jBILIJUT UL JO p uons n 14 md p JIUIALINDDE STT Group Special Technique amp Equipment Moscow Russia 31 User Ma
12. Set n operation mode Sensor and Control unit with an indication panel are in an operator s hands while Main unit 1s fixed on operator s belt by means of easy to use clamp fig 6 7 14 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual MAIN UNIT FRONT PANEL a ne 5 um n p an ti NA m a l defi L i i i i I i l A Fig 8 9 Main unit front panel Main unit front panel turn over image STT Group Special Technique amp Equipment Moscow Russia 15 SMD 300 Selective Pulse Metal Detector User Manual Main unit front plate connectors fig 8 9 1 8 pin socket INPUT for connecting Sensor unit 2 5 pin socket DISPLAY for coupling Control unit 3 3 5 PHONE socket for headphones connection 4 Terminal plate for rechargeable battery connection 5 Battery lock 6 Clamp MAIN UNIT BOTTOM PLATE to PC via connection cable 9 on fig 2 Fig 10 Main unit bottom plate PC connection socket Socket for PC connection is on the bottom plate see fig 10 16 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual CONTROL UNIT WITH INDICATION PANEL Fig 11 Control unit 1 with indication panel 2 has LCD window 3 and all essential contro
13. User Manual INVESTIGATION OF UNIFORM MATTER WITH TYPICAL DISCRETE METALLIC ITEMS OR IRREGULARITIES BOLTS SCREWS AND SIMILAR HARDWARE AS WELL AS WALL OUTLETS SWITCHES BRACKETS CORBELS AND ETC Place Sensor unit on 1 Reference sample the surface to be investigated over the item mentioned above wall outlet for instance fig 54 At that centre of inspected item should coincide with geometric centre of Sensor unit NOTE 1 This item is a reference Fig 54 sample for further searching For sure it should be free from any optional inseris NOTE 2 In case of ATT 4 indication maximum attenuation value switch over to Pmin mode select Pmax in a screen bottom line by means of W 4 button and press ENTER button STT Group Special Technique amp Equipment Moscow Russia 53 SMD 300 Selective Pulse Metal Detector User Manual Pass into the Main menu select EX T in a screen bottom line by means of W lt button and press ENTER button Keeping Sensor position invariable switch on COMPENSATION EMI mode and wait for its completion Switch on METAL SEARCHING mode select Grph or Text screen imaging referring operator s convenience Record conventional parameters for that item selected as a reference one Place Sensor unit over the next item to be controlled another wall outlet in this case fig 55 2 Item under control At that centre of th
14. ards STT Group Special Technique amp Equipment Moscow Russia 39 SMD 300 Selective Pulse Metal Detector User Manual Huge data files received during automatic data collection can be processed by means of the following dedicated software optional SMAS software metal item search in a reinforced structures allovvs operator to reveal any alteration of average physical parameters for the structure under control For example secondary metallic item that was built into a regular reinforced wall structure SMIF software searching of metal item with a certain desired prescribed shape allows to reveal any metallic item of a predefined form in a structure with single casual metallic insertions There might be metallic housings of concealed items bugs and other eavesdropping devices mines shells cartridges and etc Call you dealer for details 40 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual GETTING STARTED UNPACKING AND SETTING UP NOTE After transportation SMD 300 Detector at the environmental temperature that differs from the working conditions the instrument should be kept unpacked at a working temperature for at least 2 hours Fig 41 USEFUL HINTS To obtain the maximum sensitivity of the instrument it is highly recommended to switch off every TV set monitor and other possible source of strong mag
15. ated second echelon device for supplementary suspicious object investigation Its successful use is possible only after careful study and adequate training Don t forget saying Practice makes perfect 4 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual DESCRIPTION SMD 300 Selective Pulse Metal Detector here and after SMD 300 Detector is intended for searching metallic irregularities in a uniform substance that consists of regular e N metal insertions such Fig 1 as metal reinforced structures SMD 300 can detect metallic items in homogeneous material with regular metallic parts screws bolts holders wall outlets and switches and etc The only condition 15 20 alteration of electromagnetic parameters caused by the object to be revealed its equivalent dimensions or occurrence depth Even singular parameter alteration is sufficient for the right item detection SMD 300 Detector can reveals such irregularities as thin walled metallic housing of electronic appliances concealed in fabric constructions with regular reinforcement walls sealing and a floor of a premise STT Group Special Technique amp Equipment Moscow Russia 5 SMD 300 Selective Pulse Metal Detector User Manual SMD 300 Detector allows operator to estimate dimensions and a form of a questioned item as well as its thickness and occurrence depth
16. device or switching over transmitter s output power Pmax 5 Pmin In this case the following interferences can be compensated Outside magnetic field in uniform homogeneous structures without secondary metallic insertions Eddy current magnetic field caused by metallic reinforcement in uniform structures 3 TEST automatic efficiency control mode Use be or buttons to select an adequate operational mode and press ENTER button to activate it 20 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual TEST MODE After activating mode 3 the word TESTING appears of the screen 2 3 s later the label OK will be displayed certainly if the device is in a working condition Fig 15 COMPENSATION EMI operating mode After activating mode 2 the inscription COMPENSATION EMI appears of the screen fig 16 together vvith progress bar control 1 Fig 16 After 10 sec and completion of automatic noise compensation mode Detector will return to the Main menu fig 14 STT Group Special Technique amp Equipment Moscow Russia 21 SMD 300 Selective Pulse Metal Detector User Manual METAL SEARCHING mode After activating mode 1 main operational mode the words METAL SEARCHING appears on the screen The main screen area fig 17 serves for displaying basic parameter
17. e item should coincide with geometric centre of Sensor unit Define and record its parameters using corresponding display mode Text or Graph Fig 55 54 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Compare the data obtained with the reference info If these parameters are practically the same or close to that this might testify to the items identity Pass to the main menu select EXIT in a screen bottom line by means of gt 4 button and press ENTER button Keeping Sensor position invariable switch on COMPENSATION EMI mode and wait for its completion Continue searching process Place Sensor unit over the next item to be controlled similar to the reference one Watch over the geometric centre of Sensor it should be above the centre of the item Note every alteration in Concealed bug measured parameters mes They might signify that the item under control has certain insertion or irregularity like concealed bug fig 56 i le a ob an Ri STT Group Special Technique amp Equipment Moscow Russia 55 SMD 300 Selective Pulse Metal Detector User Manual APPENDIX 1 SMD 300 BATTERY CHARGE Standard battery Charger 1 and AC power adapter 2 are used for SMD 300 battery charge CHARGER CONNECTORS amp INDICATION
18. etal Detector represents a functionally complete device thus needs no maintenance from the User Don t try to disassemble it Ask qualified personnel for service and repair 49 l 7 56 62 62 62 58 STT Group Special Technique amp Equipment Moscow Russia 3 SMD 300 Selective Pulse Metal Detector User Manual Remarks from experienced user Selective Metal Detector SMD 300 described below represents a smart reconnaissance instrument for revealing concealed eavesdropping devices and other covered installations in a difficult environment Certainly one can use it for searching riches on a beach however its main purpose is a scrupulous investigation of questioned items and surfaces after first superficial inspection with non linear junction detector Unlike its competitor SMD 300 supplies operator with sufficient info about inspected object By means of comprehensive software Detector displays the data in a handy form suitable for comparison and analysis For instance unidentified metal object concealed under the plaster or inside a concrete block is represented as a certain virtual metallic plate with define size width and occurrence depth At that such an investigation is available when the object is masked by regular matter with metallic inserts like grid and reinforcement Sometimes SMD 300 detector allows to get rid of frequent X ray inspection Nevertheless please note SMD 300 is a complic
19. ic plates a kind of virtual equivalent STT Group Special Technique amp Equipment Moscow Russia 23 SMD 300 Selective Pulse Metal Detector User Manual ATT attenuator value Fig 19 ATT active attenuation value is displayed by convention from 0 to 4 0 signifies that input signal exceeds receiver s noise level but not more then 60 dB Every step 1 corresponds to automatic 10 dB attenuation of receiver s input and so on up to 40 Db 24 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual DETECTED ITEMS GRAPHIC DISPLA Y Detected item is displayed by convention in a certain virtual graphic form depending on its size thickness and occurrence depth three typical versions I II H see fig 20 21 22 METAL SEARCHING Dmax 18 zz SA ME D N G ATT a un ju Ces SR l Ds m s enn m ai et ye METAL SEARCHING Li mar 18 z ax 2h mn D H 1 ATTA Fmax Greek q m x mm o m m u mim m m a n m 51 Prax Greh Vol Exi kii Fig 22 STT Group Special Technique amp Equipment Moscow Russia 25 SMD 300 Selective Pulse Metal Detector User Manual HI BLINKING CONCENTRIC CIRCLES Blinking concentric circles in a geometric centre of display window confirm the detection of metallic item fig 23 Fig 23
20. ls 4 with non fastened buttons fig 11 It has user s friendly design with handy shaft 5 STT Group Special Technique amp Equipment Moscow Russia 17 SMD 300 Selective Pulse Metal Detector User Manual SMD 300 CONTROLS 1 POWER ON OFF switch button 2 AXIS button for parameters scale adjustment on a built in graphic display 3 DATA button for data transfer to PC coupled to the Detector 4 P cursor buttons 5 ENTER button for selected mode activation 6 Graphic display 18 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual MAIN MENU OPERATIONAL MODES AND INDICATION After switching on the device the inscription SELECTIVE METALL DETECTOR SMD 300 appears on a screen fig 13 METAL SEARCHING 2 COMPENSATION EMI Se TEST 3 5 sec later the Main menu will be displayed with 1 blinking symbol Fig 13 14 STT Group Special Technique amp Equipment Moscow Russia 19 SMD 300 Selective Pulse Metal Detector User Manual SMD 300 MAIN MENU CONSISTS OF 3 PARTS 3 OPERATIONAL MODES fig 14 11 METAL SEARCHING It s a primary operational mode metal item detection and its basic parameters evaluat on 2 COMPENSATION EMI corresponds to an automatic noise compensation mode NOTE Noise compensation should be carried out every time after switching on the
21. n conditions thin wall metallic housing beyond an obstacle Al plate 3 cm wide 1 5 mm thick placed 3 cm far from the Detector s Sensor unit see fig 4 STT Group Special Technique amp Equipment Moscow Russia 9 SMD 300 Selective Pulse Metal Detector User Manual Sensor unit 2 5 S 5 Questioned 2 item 3 cm Fig 4 Detection condition OPERATION CONDITIONS Operating temperature 5 C 40 C High and low temperature limits 20 C and 50 C Relative humidity under 25 C not more 80 POWER SUPPLY VD 153 6 V rechargeable battery Current consumption in Pmax mode not more 0 7 A in Pmin mode less then 0 4 A Continuous operation time in Pmax mode not less Sh from one fully in Pmin mode not less 6 h charged battery 10 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual DIMENSIONS Main unit transceiver 180x135x65 mm Sensor unit 2260 mm Control unit with indication panel 260x100x30 mm Standard carrying case 550x450x170 mm WEIGHT in run position not more 3 0 kr TOTAL WEIGHT not more 6 5 kg in standard carrying case STT Group Special Technique amp Equipment Moscow Russia 11 SMD 300 Selective Pulse Metal Detector User Manual PRINCIPLE OF OPERATION SMD 300 principle of operation is based on eddy current pulses analysis That
22. nd might take up to several hours Couple the battery to the Charger and press Refresh button to start the refreshing mode 60 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Green LED will die but Yellow LED will shine in confirmation fig 66 Current battery charging status will be displayed by LCD After discharge mode completion the device switchs over to a charge one automatically NOTE It s highly recommended to use Refresh mode every time you charge the battery that will substantially extent battery 5 life Refer Charger User s Manuals supplied for complete info CAUTION t is not advisable to store batteries in a discharged state Sfore rechargeable batteries in fully charged state Use only the charger from the kit supplied Avoid battery terminals from short circuit Don t store SMD 300 Main Unit coupled with the battery Finishing operation disconnect it from the Main unit USEFUL HINTS If SMD 300 Detector is unused the batteries should be charged every 6 months in case of storage temperature less then 25 C and every month if storage temperature range is from 25 C to 40 C STT Group Special Technique amp Equipment Moscow Russia 61 SMD 300 Selective Pulse Metal Detector User Manual SHIPPING AND STORAGE SMD 300 Detector can be shipped in standard packing in a
23. netic fields at least 10 meters from the place to be inspected Othervvise significant decrease in detection ability detection range and questioned item parameters evaluation could take place STT Group Special Technique amp Equipment Moscow Russia 41 SMD 300 Selective Pulse Metal Detector User Manual Take components of SMD 300 Detector out of the standard package Fig 42 and carry out their visual inspection Pay special attention to cables and connectors as well as to Sensor Transceiver Main unit Control unit and power supply appliances Fig 42 42a Couple Sensor unit to INPUT socket on the front plate of the Main unit see fig 43 43a Control unit to DISPLAY socket Headphones to PHONE socket 42 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Fig 43 43a SMD 300 POWER SUPPLY Take fully charged battery see Battery Charger User s Manual for reference Fig 44 Couple rechargeable battery to a corresponding connection plate of the SMD 300 body see fig 44a b c STT Group Special Technique amp Equipment Moscow Russia 43 SMD 300 Selective Pulse Metal Detector User Manual Hold the Ma n unit transceiver body vertically m 1 Main unit battery with battery lock W terminal plate tovvards oneself fig 45a Place the battery atteries on
24. nual SMD 300 Selective Pulse Metal Detector Occurrence depth for the object of a complex shape corresponds to the depth of its nearest border D1 see also fig 29 31 Cross cut size of virtual plate corresponds to the size of item s nearest border D1 Detected item fig 32 of an intricate shape represented as tvvo or tree virtual metallic plates Fig 32a 32 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual NOTE There might be a Zmax situation when an occurrence depth of the item to be detected is lower deeper then Zmax 20 pointed out on the Detector s screen fig 33 In that case the item s virtual image 1s displayed in the far right part of a screen Fig 33 Operator can facilitate the matter and adjust the LCD scale pushing AXIS button on Control unit panel fig 12 Three scale versions for occurrence depth and average cross cut item s dimension is available They can be displayed on the Detectors screen by serial pressure of AXIS button see Table 2 Table 2 LCD image scale version a Each version corresponds to a consequent AXIS button press STT Group Special Technique amp Equipment Moscow Russia 33 SMD 300 Selective Pulse Metal Detector User Manual OPERATIONAL MODE MENU Bottom screen line of Detector s Control unit represents an operational modes men
25. ones is automatically adjusted to 50 of a possible maximum level To adjust the volume in the headphones from 0 to 100 in 10 step use z buttons fig 35 To settle the selected value just press ENTER button AUDIO INDICATION Metal item detection 1s indicated by tonal audio signal in the headphones At that audio signal level is proportional to received response signal Moreover right after an automatic attenuator s switching over the audio signal tone get higher 38 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual So the range of audio signal alteration corresponds to 100 dB alteration of input response signal 4 Exit the 4 th position stands for coming back to the Main menu Place cursor to Exit and press ENTER button TEAM WORK WITH PC Dedicated SMD softvvare is intended for SMD 300 team work with PC Data obtained during the operation signal level and other parameters can be transferred to PC via serial RS 232 port PC by means of corresponding cable 9 at the fig 2 40 Switch on the device and load SMD softvvare for data collection Use 3 5 floppy disk supplied 11 at the fig 2 amp 40 SMD software allow the user to collect accumulate sort and process the data obtained while operating SMD 300 Essential data can be printed for analysis and comparison afterw
26. ph orText that fit the situation Scan the sensor along the surface not faster then 5 cm s STT Group Special Technique Baninmozi Moscow Russia 49 SMD 300 Selective Pulse Metal Detector User Manual Referring tone amp level of an audio signal in the headphones define and mark the spot where they are distinctly higher as compared to ones in adjacent areas Place Sensor unit on a spot with a maximum signal response Referring graphic image on the screen in a Graph mode or data displayed in digital form in Text mode fig 51 determine parameters of detected metallic item or metallic irregularities in a structure under control Conventional item s form N parameter Cross cut dimensions D Occurrence depth Z Thickness of the surface that is closer to Sensor unit W Fig 51 NITE 1 Later on you can use these data for intensive study and comparison NOTE 2 If a virtual image of detected item is close to the edge of a screen of even out of determined screen zone press AXIS button to alter a screen image scale and thus get an adequate conventional image see p 31 NOTE 3 In case of ATT 4 indication maximum attenuation value switch over to Pmin mode select Pmax in a screen bottom line just press W and ENTER buttons 50 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector
27. s of metallic item to be investigated Z max 20 Dmax 10 maximum average cross depth value dimension in cm Battery status value in cm indicator Vertical axis D represents a cross dimension scale Z axis corresponds to the item s occurrence depth Fig 17 NOTE If the battery icon is empty immediately replace it Horizontal axis Z corresponds to the item s occurrence depth Zmax 20 in the upper part of the screen represents the maximum occurrence depth value in cm for the metallic item to be revealed and investigated 20 cm for the sample displayed 22 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual Vertical axis D represents an average cross dimension scale in cm for the metallic item detected Dmax 10 corresponds to maximum value in cm the whole N parameter Fig 18 range of D axis 10 cm for the sample displayed NOTE N amp ATT symbols and their values are displayed automatically by Detector s u Processor N parameter from 0 to 3 is a conventional value that corresponds to relative complexity of detected item shape For instance 0 means that metallic item wasn t found at all 1 2 3 signifies that detected item can be represented by convention as a single metallic plate or combination of two or three metall
28. ser Manual Place the battery to be charged on the upper plate of the Charger 1 fig 61 with terminals 9 fig 58 Press the battery body down 2 fig 61 Slide the battery to the left 3 fig 61 Power Charge ox Capacity am Refresh Power Charge Refresh Fig 63 Capacity Fig 64 Fast charging mode is starting automatically Green LED will shine in confirmation fig 62 Built in LCD displays the battery charging status E empty 25 50 75 F full fig 63 65 NOTE 1 depending on battery status indication of charging level might be displayed after several seconds of delay STT Group Special Technique amp Equipment Moscow Russia 59 SMD 300 Selective Pulse Metal Detector User Manual F fig 65 confirms that charging is over and battery is fully charged After fast charge mode completion executive charging circuit cuts off automatically and green LED will flash every 2 sec NOTE 2 One can leave fully charged battery coupled to the Charger after charging completion for a long time BATTERY REFRESH MODE New NiCad and NiMH battery or battery that was out of use for a long time needs special treatment refreshing 1 e several consecutive charge discharge cycles That allows to refresh the battery in other words to recover battery s full charging capacity Refreshing process depends on general battery status a
29. u and a blinking cursor fig 34 Blinking cursor Use blinking cursor to select operational mode you prefer just press corresponding P gt amp 4 button and then ENTER button 1 and 2 on fig 35 In that way 1 Pmax Pmin is intended for switching over the probe signal output power from Pmax to Pmin and backwards To do this place cursor to the 1 st position and press ENTER button fig 35 The appropriate label Pmin or Pmax appears on the screen in confirmation 34 STT Group Special Technique amp Equipment Moscow Russia SMD 300 Selective Pulse Metal Detector User Manual 2 Graph Text 1s used for svvitching over display mode from graphic to digital one Place cursor to the 2 nd position and press ENTER button The word Graph or Text appears on the screen in confirmation In a Graph mode fig 36 the detected item s parameters are displayed in a graphic form as a diagram see also DETECTED ITEMS GRAPHIC DISPLAY pp 22 28 Fig 36 Switching display to a Text mode converts the parameters of detected item into a digital form presented as a certain table fig 37 Fig 37 STT Group Special Technique amp Equipment Moscow Russia 35 SMD 300 Selective Pulse Metal Detector User Manual As long as the shape of detected item s housing is represented by virtual metallic plate or plates N from 1 to 3 where N stands for a number
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