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Spectroflash MART-200 Operating Manual

Portable x-ray generator
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Spectroflash Ltd
MART-200 / MART-250
PORTABLE X-RAY GENERATOR
Operating Manual
RU.1027806885732.410226.017OM

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  • Page 1 Spectroflash Ltd MART-200 / MART-250 PORTABLE X-RAY GENERATOR Operating Manual RU.1027806885732.410226.017OM...
  • Page 2 Manufacturer: SPECTROFLASH LTD Address: Office 2N, bld Ch., 10, Kurchatova Street, 194223, Saint-Petersburg, Russia +7 (812) 602-12-58, +7 (812) 602-12-54, +7 (921) 406-91-07 Sales: sbyt@spectroflash.ru Reception Desk: +7 (812) 602-12-60 info@spectroflash.ru www.spectroflash.ru Website: Postal Address: PO Box 82, 194223 Saint-Petersburg, Russia...

  • Page 3: Table Of Contents

    RU.1027806885732.410226.017OM Rev. 8 Contents 1 Introduction ....................... 5 2 Application ......................5 3 Specifications ....................6 4 Scope of Supply....................8 5 Overview and Operating Procedure ..............9 6 Safety Instructions ................... 15 7 Preparing Device for Operation ..............18 8 Operating Procedure ..................

  • Page 5: Introduction

    RU.1027806885732.410226.017OM Rev. 8 Radiation Protection Information Dear Customer: You received equipment for X-ray generation from our company. It contains the radiating unit with the built-in X-ray tube which constitutes the actual X-ray generating source. Our company is legally obliged to point out to the customer those measures that serve radiation protection.

  • Page 6: Specifications

    MART-250 – tubehead side cone with maximum 50° directional beam angle; ̶ MART-200 – tubehead end cone with 140° panoramic beam angle and 60° directional beam angle. 3.7 Actual radiographic sensitivity conforms to Class 1 of GOST 7512. 3.8 Repeatable short-cycle runtime; maximum 10-minute runtime of energized...
  • Page 7 Nominal Maximum MART-250 0.8×1.2 0.9×1.4 MART-200 3.10 Maximum power consumption: 450 VA. 3.11 Supply voltage: single-phase 230Vac ± 10% or 220Vac ± 10%, 50 ± 1Hz. 3.12 Degree of protection with connectors plugged in: IP20. 3.13 Operating conditions in terms of external climatic factors: ambient temperature of minus 20 °С...

  • Page 8: Scope Of Supply

    4.2 Accessories and Options 4.2.1 The scope of supply may include tubehead mounting accessories listed in Appendix B. 4.2.2 Each MART-200 model comes complete with a 60×60° collimator assembly. Note – Collimator assembly includes a lead diaphragm and a holder.
  • Page 9 X-ray tube. The source of constant potential high-voltage consists of a connection closed ferrite core transformer and a high-voltage multiplier. General views of MART-200 and MART-250 X-ray tubeheads are shown in Figures 1 – 4.
  • Page 10 1 – Carrying handle. 2 – X-ray beam exit window. 3 – Connection side for connection cable. 4 – Rubber pad legs. 5 – Oil expansion compensator cover. Figure 1 – MART-250. X-ray tubehead, beam exit side 1 – Connection port for connection cable. 2 –...
  • Page 11 3 – Oil expansion compensator cover. 4 – Rubber pad legs. 5 – X-ray beam exit side. Collimator assembly location Figure 3 – MART-200. Side view 1 – Center of X-ray beam exit window. Figure 4 – MART-200. View of beam exit side...
  • Page 12 5.2.2 Control Unit with Digital Indicator The Control Unit contains power supply unit, frequency converter, anode- current and high-voltage stabilizer circuits, and device controls. The following controls and indicators are located on the front panel: ̶ "POWER" supply rocker switch; ̶...
  • Page 13 RU.1027806885732.410226.017OM Rev. 8 1 – Connection port for connection cable to connect the Control Unit to the X- ray tubehead. MART-200 andMART-250 models use different types of connectors. 2 – Pushbutton for setting exposure time in minutes. 3 – Pushbutton for setting exposure time in seconds.
  • Page 14 59 seconds to minimum 40 seconds. Select high voltage values in 5 kV increments by using pushbuttons (-) and (+). Available for selection are voltage ranges from 105 kV to 200 kV in MART-200 model, and from 130 kV to 250 kV in MART-250 model.

  • Page 15: Safety Instructions

    Table 6. Table 6 – Provisionally estimated radii of restricted access areas In meters MART-200 MART-250 NOTE – These distances are estimated assuming the device runtime is limited to 30 minutes per hour, a dummy target of 5-mm steel thickness is exposed in front of the beam, and, for directional beam mode, the radiation divergence angle is collimated to 60°.

  • Page 16: Preparing Device For Operation

    6.2.5 When performing industrial X-ray radiography within indoor process areas, on outdoor locations and out in the field, make sure that all non-essential personnel stay away from the restricted access area for as long as the X-ray generator is energized. Install protective barriers and safety signage around the restricted access area with warning symbols/lettering clearly visible from a minimum distance of 3 meters.
  • Page 17 RU.1027806885732.410226.017OM Rev. 8 considerable delay in heat transfer from the housing walls to the inner parts of the unit. Once energized, the tubehead will generate sufficient heat to remain operational. 7.5 An attempt to energize the tubehead at a lower temperature may result in a high-voltage insulation fault.
  • Page 19 RU.1027806885732.410226.017OM Rev. 8...
  • Page 20 7.9.2 In its panoramic beam mode, MART-200 tubehead needs to be offset a certain distance from the weld. A schematic diagram of the tubehead position inside a pipe is shown in Figure 8. X-ray tool Pipe Film Figure 8 – MART-200 tool offset for panoramic beam imaging Two parameters are of interest: tubehead-to-weld offset (b) and focal distance (F).
  • Page 21 Offset (b) Focal distance (F) 7.9.3 In directional beam applications of MART-200, the solid angle of X-ray radiation needs to be limited. This is achieved by assembling and fixing a beam- limiting collimator onto the end of the X-ray tubehead as shown in Figure 8a.

  • Page 22: Operating Procedure

    8 Operating Procedure 8.1 General Requirements 8.1.1 CAUTION: Thermionic emission X-ray tubes must complete a seasoning sequence at initial start-up and after extended downtime. Failure to meet this requirement may result in damage to the device. 8.1.2 Make sure the device is disconnected from the power mains before setting up and moving the X-ray tubehead.

  • Page 23: Care And Maintenance

    X-ray tube is located inside the X-ray tubehead, providing 50 of solid angle radiation. 8.3.6 The end-cone beam exit geometry of MART-200 with about 140° of solid angle radiation coverage provides a nearly panoramic beam imaging. For directional beam applications, assemble a beam-limiting collimator as shown in Section 7.9.3.

  • Page 24: Measurements And Functional Tests

    10 Measurements and Functional Tests 10.1 The device should be functionally tested by using any properly certified dosimeter to measure the exposure rate of X-ray radiation. Functional test is understood to be passed if the dose value is not lower than the value stated in Section 3.1.

  • Page 25: Transportation And Storage

    RU.1027806885732.410226.017OM Rev. 8 13 Transportation and Storage Requirements 13.1 Transportation 13.1.1 Transportation conditions conform to Mechanical Stability Category "Л" of GOST R 51908; and are equivalent to Climatic Stability Category 2 of GOST 15150 with special provision for a modified temperature range from minus 30°C to plus 50°C.

  • Page 26: Environmental Protection And Disposal Requirements

    15.1 Warranty claims shall only be considered if maintenance instructions are fully observed. 16 Further Information For further information please contact us via any of the contact methods below: ̶ Visit our website www.spectroflash.ru and use the Documentation section, ̶ Write us an e-mail: sbyt@spectroflash.ru ̶...
  • Page 27 RU.1027806885732.410226.017OM Rev. 8 ̶...

  • Page 29: Appendix A (Reference) Provisional Exposure Charts

    RU.1027806885732.410226.017OM Rev. 8 Appendix A (Reference) Provisional Exposure Charts Provisional exposure charts in this Appendix are for reference only, including MART-250 directional beam mode, MART-200 directional mode and pseudo- panoramic beam mode (140°).
  • Page 31 RU.1027806885732.410226.017OM Rev. 8 Time (min.)

  • Page 33: Appendix B (Informative) Mounting Accessories

    ̶ PAUK-2M/MART-250 (mounting accessory for MART-250 tubehead) ̶ PAUK-2M/MART-200 (mounting accessory for MART-200 tubehead) The general view and specifications of these mounting accessories are provided in Figures B.1, B.2 and Tables B.1, B.2. Figure B.1 – PAUK-2M/MART-250 spider bracket with a set of replaceable legs Table B.1 –PAUK-2M/MART-250 spider bracket specifications...
  • Page 34 Figure B.2 – PAUK-2M/MART-200 spider bracket with a set of replaceable legs Table B.2 –PAUK-2M/MART-200 spider bracket specifications Parameter Value Material of construction stainless steel Number of replaceable leg sets Focal distance adjustment range (mm) 0 ÷ 250 Additional range options Target diameter range (mm) from 219 to flat;...
  • Page 35 250x130x550 B.3 ARION SHRT-3 Mounting Stand Designed to fit MART-200, MART-250 tubeheads depending on the order details. This stand allows for positioning and fixing the X-ray tubehead at a height of 1.05 to 3.1 meters with directional adjustment of the X-ray beam. Being essentially a tripod support structure, this lightweight stand has a telescoping column with adjustable ball head to support the mounting pad for the X-ray tubehead.
  • Page 36 Figure B.4 – ARION SHRT-3/MART-250 mounting stand Table B.4 – Specifications of ARION SHRT-3 mounting stand Parameters Value Stand material aluminum Tubehead mounting pad material stainless steel/aluminum Stand height min/max (mm) 1050/3100 Horizontal angle 360° Vertical angle 360° Weight (kg) B.4 UF-1 Mounting Accessory Designed for mounting MART-250 tubehead onto a target pipe.
  • Page 37 RU.1027806885732.410226.017OM Rev. 8 Figure B.5 – UF-1 mounting accessory Bracket MART-250 Base Strap Pipe 1. Attach the bracket onto MART-250 / ARINA-6 with screws 1-4 2. Put the base onto the pipe and secure by the strap using a winch 3.
  • Page 38 Collimators are designed to limit the angle of X-ray beam divergence in directional beam applications. Collimators help to reduce the unused portion of X-ray radiation. Spectroflash Ltd offers a set of collimators designed to fit MART-200 tubehead providing different angles of beam divergence. The types of collimators included in the kit are listed in Figure C.1.
  • Page 39 RU.1027806885732.410226.017OM Rev. 8 40° x 30° Collimator Focal distance F (mm) Collimator selection based on survey conditions Figure C.2 – Collimator selection guide...

This manual is also suitable for:

Mart-250

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