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Veekay Industries
Veekay Industries


Helmet Testing Equipments

Our range of products include helmet penetration tester, helmet flammability tester, helmet retention tester, helmet impact absorption tester, uv radiation & conditioning chamber and helmet electrical resistance tester.

Helmet Penetration Tester

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Helmet Penetration Tester
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Helmet Penetration Tester for helmets consists of an arrangement to hold a head-form on which the helmet under test is kept. The arrangement has five degrees of freedom so that any point on the surface of the helmet can be brought under the point of impact in a manner such that the plane tangential at the point is substantially horizontal. A metal punch of a specified shape and weight guided in a bush is kept vertically above the point of impact. A metallic weight of specified mass is allowed to drop on the punch from a specified height. The minimum distance between the tip of the punch and the head-form at the time of impact is determined with the help of molding clay. The complete arrangement is built over a rigid fabricated steel frame. The tester is finished in gray hammer tone painting and bright chrome plating to give it a corrosion resistant finish. The head-forms used for conducting the test are not supplied with the equipment but are available as optional accessories.
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Helmet Flammability Tester

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Helmet Flammability Tester
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Flammability Resistance Tester for helmets consists of a Barthel burner mounted on a swivel stand to make it vertical or inclined; a screw arrangement to move the burner with stand in the horizontal direction; a sheet metal enclosure in which the burner and sliding arrangement is fitted along with arrangement to hold the helmet under test to guard the flame against air currents; and a reservoir to supply liquid fuel to the burner from the specified height with fuel line fitted with a valve to control the rate of the supply of fuel.
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Helmet Retention Tester

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Helmet Retention Tester
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Helmet Retention Tester is apparatus for dynamic test of retention system and retention test.
The retention system of helmets is subjected to a specified dynamic loading to determine its dynamic displacement, residual displacement, and damage to the retention system in order to assess the suitability of the helmet. It is further subjected to a dynamic loading at a tangential line on the rear part of the shell. After the test the inclination of helmet on the head-form is checked for suitability of its retention system. The Apparatus for Dynamic Test of Retention System and Retention Test of helmets consists of a rigid fabricated steel frame fitted with arrangements to carry out either of the two tests. The arrangement for dynamic test of retention system consists of a stand to hold the helmet by its shell from a hook connected to a screw to raise or lower it. The helmet is mounted over a head-form with initial loading device cum guiding system. A mass of specified weight is allowed to fall on the anvil of the loading device from a specified height. The mass is lifted with the help of a handle and chain arrangement and is held by a catch at the specified height. For dropping the mass, the catch is released and mass drops guided on a rod. The displacement of retention system is measured on a vertical scale.
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Helmet Impact Absorption Tester

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Helmet Impact Absorption Tester
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Helmet Impact Absorption Tester for helmets consists of a rigid frame with a heavy base plate, a set of interchangeable steel anvils mounted on the base, a free fall guidance system with a dolly to keep the head-form with helmet on, an arrangement to drop the helmet from a known height on the anvil, a set of three accelerometers mounted in three mutually perpendicular directions which can be fitted inside a hollow metal head-form, and a data acquisition system with suitable software to provide the test report.
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UV Radiation & Conditioning Chamber

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UV Radiation & Conditioning Chamber
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Helmets are subjected to conditioning under different atmospheric conditions before they are subjected to the impact absorption test. One of these conditions involves exposure to ultraviolet radiations, followed by spraying of water on top of the helmets. This conditioning can be carried out in a special chamber having provision for exposing the helmet to ultraviolet radiations, followed by spraying it with water from a spray nozzle.
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Helmet Electrical Resistance Tester

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Helmet Electrical Resistance Tester
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Helmet Electrical Resistance Tester for helmets consists of a plastic container with an acrylic frame placed in its center for keeping the helmet under test on. The two electrodes are held in suitable clamps, one located inside the helmet and the other in the bath. A high voltage source is provided with the equipment for supplying the test voltage. It consists of a variac, a step-up transformer, a digital voltmeter, and a digital mili-ammeter with a pre-settable tripping currents. All the parts used in the tester are made from materials that do not get affected by salt solution used for conducting the test.
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Helmet Audibility Test Apparatus

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Helmet Audibility Test Apparatus
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Helmet Audibility Test Apparatus for helmets consists of a rigid angle iron frame to keep a test head-form with the helmet under test mounted over it one end and a horn placed at the other end. The horn is held such that that the sound waves from it strike the helmet at its back in the same horizontal plane. Both the horn and the head-form are mounted at a level 1.2 m above the ground. The horn is operated by a lead-acid storage battery supplied with the apparatus. A microphone and a digital sound level meter are provided for measuring the sound level. The microphone is mounted inside the wooden head-form at the normal ear level of the user. Two microphones are mounted in each head-form, one on the left and the other on the right. The selection between left and right microphones is done with the help of a change-over switch.
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Helmet Rigidity Tester

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Helmet Rigidity Tester
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The ability of a helmet to withstand deformation due to any force acting on it is determined by subjecting it to a rigidity test. In this test the helmet, without the head-form, is placed between two horizontal flat parallel plates and is subjected to a small initial load and subsequently to a major load over a specified time period. The change in the dimension of the helmet under initial and major loads is measured and compared against standard values. The Rigidity Tester for helmets consists of two solid steel plates held parallel to each other with the help of four spacer rods. A loading plate with a guide rod is guided along a vertical axis in a brass bush held in the upper plate. The weight of the loading plate assembly is equal to the initial load.
Major load is applied in specified steps by placing disc shaped dead weights on top of the loading plate assembly. The deflection of the helmet is measured with the help of a scale fixed to the frame and a pointer fixed to the loading plate assembly. The equipment is designed for simplicity in use. It is finished in shore blue metallic painting and bright chrome plating to give it a corrosion resistant finish.
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Humidity and Conditioning Chamber

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Humidity and  Conditioning Chamber
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Humidity Chamber is designed to produce controlled humidity using an appropriate saturated salt solution corresponding to the humidity required at the specified temperature. The salt solution is kept at the bottom of the chamber. The solution releases water vapour to increase the relative humidity, if it is below the specified value, or absorbs water vapour, if the relative humidity is higher. The chamber is constructed from 10 mm thick transparent acrylic sheet and has two wide doors. Two shelves made of plastic material to keep the specimen under test on and two plastic trays for keeping the saturated salt solution are provided with the chamber.
An air-circulating fan to keep the conditions uniform in the chamber is also provided. The relative humidity and the temperature inside the chamber are measured with the help of dry and wet bulb thermometers.

Technical Data:

  • Dimensions of chamber : 60 cm x 45 cm x 75 cm
  • Number of helmets that can be kept at a time : Four
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Veekay Industries
V. K. Tully (Proprietor)
No. 177, D. B. Gupta Market, Karol Bagh ,
New Delhi - 110005, Delhi, India
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