Search Legislation

Advanced Search

The Wireless Telegraphy (Control of Interference from Radio-Frequency Heating Apparatus) Regulations 1971

Help about what version

What Version

  • Latest available (Revised)
  • Original (As made)

Status:

This is the original version (as it was originally made). This item of legislation is currently only available in its original format. The electronic version of this UK Statutory Instrument has been contributed by Westlaw and is taken from the printed publication. Read more

  1. Introductory Text

  2. Citation and Commencement

    1. 1.These Regulations may be cited as the Wireless Telegraphy (Control...

  3. Interpretation

    1. 2.(1) In these Regulations, except so far as the contrary...

  4. Requirements

    1. 3.When any radio-frequency heating apparatus is used in the British...

    2. 4.Any radio-frequency heating apparatus which obtains its electric power from...

  5. Field strength and terminal voltage measurement

    1. 5.(1) For the purpose of measuring and computing the field...

  6. Signature

    1. SCHEDULE 1

      1. The limits of field strength and terminal voltage shall be...

      2. For all other frequencies in the ranges specified below, the...

    2. SCHEDULE 2

      1. PART 1 Definition of expressions used in the Schedule

        1. Voltage and e.m.f.

        2. References to the voltage or e.m.f. of a sinewave are...

        3. Decibel (abbreviated dB)

        4. A unit of transmission giving the ratio of two powers....

        5. If P1 and P2 represent two values of power, and...

        6. If the two powers are dissipated in equal resistive impedances,...

        7. Terminal voltage calibration constant

        8. The number of decibels that must be added to the...

        9. Field strength calibration constant

        10. The number of decibels that must be added to the...

      2. PART 2 Method and conditions of measuring field-strength

        1. General

          1. 1.Where a radio-frequency heating apparatus is being tested for the...

        2. Attachments and load

          1. 2.The radio-frequency heating apparatus must be tested in complete working...

        3. Other electrical apparatus to be disconnected

          1. 3.All other electrical apparatus which is installed in proximity to...

        4. Conditions for measurement

          1. 4.The measuring set receiver shall be connected with an appropriate...

        5. Input connexion of measuring apparatus, and distance and height of aerial

          1. 5.(1) The receiver shall be connected to the aerial mentioned...

        6. Adjustment of radio-frequency heating apparatus

          1. 6.For the purpose of the main test in paragraph 8...

        7. Making the measurement

          1. 7.(1) The measuring receiver shall be adjusted and operated in...

        8. Tests

          1. 8.A set of tests shall be made in each case...

          2. 9.If a click (as opposed to a buzz of appreciable...

        9. Interpretation of results

          1. 10.The field-strength expressed in decibels above 1 microvolt per metre...

          2. 11.If the maximum reading obtained on any main test exceeds...

      3. PART 3 Method and conditions of measuring terminal voltage

        1. General

          1. 1.(1) Where a radio-frequency heating apparatus is being tested for...

        2. Connexions to be made to the electric supply line terminals of the radio-frequency heating apparatus and the input terminals of the measuring set

          1. 2.The following connexions shall be made: The electric supply line...

        3. Tests

          1. 3.A set of tests as mentioned in sub-paragraphs (a), (b)...

          2. 4.Paragraph 9 of Part 2 of this Schedule shall apply....

        4. Interpretation of results

          1. 5.The terminal voltage, expressed in decibels above 1 microvolt, will...

          2. 6.Paragraph 11 of Part 2 of this Schedule shall apply....

  8. Explanatory Note

Back to top

Options/Help

Print Options

Close

Legislation is available in different versions:

Latest Available (revised):The latest available updated version of the legislation incorporating changes made by subsequent legislation and applied by our editorial team. Changes we have not yet applied to the text, can be found in the ‘Changes to Legislation’ area.

Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. No changes have been applied to the text.

Close

Opening Options

Different options to open legislation in order to view more content on screen at once

Close

More Resources

Access essential accompanying documents and information for this legislation item from this tab. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as enacted version that was used for the print copy
  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • correction slips
  • links to related legislation and further information resources
Close

More Resources

Use this menu to access essential accompanying documents and information for this legislation item. Dependent on the legislation item being viewed this may include:

  • the original print PDF of the as made version that was used for the print copy
  • correction slips

Click 'View More' or select 'More Resources' tab for additional information including:

  • lists of changes made by and/or affecting this legislation item
  • confers power and blanket amendment details
  • all formats of all associated documents
  • links to related legislation and further information resources