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 PO Box 924, Jackson, MI 49204 1 (800) 622-2866 |
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TEL-X-OMETER® ACCESSORIES TEL-X-OMETER FOR X-RAY PHYSICS TEL-X-OMETER X-RAY SYSTEMS 
NEW! TEL 2590TEL-X-Driver The TEL-X-Driver powers the stepper motor. The GM tube can be connected directly to this unit, negating the need for an additional scalar or ratemeter. Software allows selection of scan angles, resolution, and time/step. Data is automatically saved every 30 seconds thus preventing the loss of data during a long scan in the event of a power failure. Once the experiment is completed the software permits zoom-in on the data and the facility to add comments to the file. Data can be exported to a spreadsheet for further analysis.
TEL 2590 software download
This is a hard vacuum, hot cathode X-ray tube designed for the Tel-X-Ometer. It has a copper target anode. A thin concave bubble window of 0.25mm thickness is hand blown into the borosilicate glass envelope to transmit a high proportion of the characteristic radiation without recourse to other more expensive window techniques. The cathode is a helical filament made of tungsten wire and the cathode/anode geometry provides a very small focal point. Continuous rating: 30kV, 80 µ A Heater supply: 4V 1A Dimensions: 100mm long, 32mm diameter Mounting: B13G type
TEL 582 Basic Accessory Kit
A Kit of 26 components includes Collimators, Luminescent Screen, Film Cassettes and all the items necessary to perform more than 30 experiments. Thin foils of Nickel, Copper, Cobalt and Zinc are included which are used to evaluate the Mass Absorption Coefficient. They are also used in conjunction with a Rotary Radiator which presents these 4 elements, and in addition Iron, Vanadium, Manganese and Chromium, to the primary X-ray beam. These 8 elements are sequential in the Periodic Table and secondary emission from them is analyzed to verify Moseley’s Law. The classical Bragg relationship can be established using large single crystals of Sodium Chloride and Lithium Fluoride and additionally Planck’s Constant can be derived from the minimum wavelength cutoff. Small minicrystals of LiF are included to record Laue and upper layer-line photographs. Finely divided LiF powder and copper wire strands can be used to demonstrate Debye-Scherrer analytical techniques with a special self-locating Powder Camera. The Powder Camera and Film Cassette included in Kit 582 have been designed for use with the Filmpaks.
TEL 583 Crystallography Kit
This kit of 16 prepared elements is intended to supplement the Basic Kit. For a more comprehensive study of Moseley’s Law four more thin foil slides are included. They are Iron, Vanadium, Manganese and Chromium. Together with the 4 slides in the Basic Kit, there can now be 8 thin foil slides to be used in conjunction with the 8 -element Rotary Radiator. There are 5 vials of finely divided powders, 2 vials of drawn wire and large single crystals of Potassium Chloride and Rubidium Chloride. All of these materials are used in a carefully integrated study of the salient features of crystallographic analysis. The Kit contains a Reciprocal Lattice Calculator for calculating at which angles of the GM tube carriage (2 q ) reflections may be expected from each of the four single crystals.
TEL 584 Radiography Kit
This kit is also intended to supplement the Basic Kit. It is designed for teaching X-ray applications for nondestructive testing, and for adult education courses. It includes 16 components with which the production and properties of X-rays can be studied. Additional emphasis is given to scattering, differential absorption and linear absorption coefficients; to the relationship be tween penetration, resolution and exposure time, accelerating voltage and tube current. Experimental evidence of the importance of shielding materials, half thickness and radiation terminology are all highlighted through simple practical experience involving the components of the kit.
Individual items in the 582, 583 and 584 accessory kits can be purchased separately.
TEL 750/2 and TEL 750/4 Filmpaks
The teaching impact of processing photographic film in the classroom immediately after exposure and without a dark room is obvious. High speed X-ray film is sealed in thin, black p.v.c. envelopes with two apertures to accept the injector tube of a syringe without admitting light. After exposure to beta-, gamma- or X-rays, film is developed rapidly by injecting the processing fluids in to the envelope which is thin enough to permit the necessary agitation. After processing is complete (about 2 minutes) the envelope is cut open and film removed with a special clip provided. Filmpaks 2 and 4 are supplied complete with syringe, injector tube, developer and fixer fluids and film clip.
The majority of experiments which can be performed with the Tel-X-Ometer require the X-rays to be detected by a GM Tube in association with a Ratemeter or Scaler. The typical intensities and recommended geometric conditions detailed in the laboratory manual are all relevant to the GM Tube TEL 2546/7. The Ratemeter TEL 2807 and the Scaler TEL 2806 have been designed to monitor Tel-X-Ometer experiments with both simp licity and maximum didactic impact.
OPTIONAL ACCESSORIES 
TEL EV-14 Kilovolt Power SupplySafe, accurate high voltage. Designed for high voltage requirements in the student laboratory, this power supply is safe, sturdy and reliable. Shielded banana jacks provide the 5 kilovolts output from the rear panel, safely away from hands. A digital voltmeter displays the output voltage for greater accuracy than the usual analog meter. We provide a 6.3 Vac filament supply on the rear panel. The output current is limited for safety. Especially useful with Teltron tubes and electrostatic experiments. SPECIFICATIONS Voltage: 0-5 kVdc, 6.3Vac filament output Output Current: 1mA at 5000 Vdc Line Regulation: >1% for 10% line voltage change Load Regulation: 3% for 0 to 500mA Ripple: 0.2% at maximum current Meter: three 1.4 cm high digits on front panel Connections: color-coded 4mm high voltage insulated banana jacks Dimensions: 9.5 h x 26 w x 22 d cm (3.8 x 10 x 8.5 in) Use with TEL 2525 Thomson e/m tube and TEL 2555 Electron Diffraction tube.
A simple didactic ionization chamber which can be mounted on the slide carriage of the Tel-X-Ometer to investigate the ionizing intensity of the X-ray beam. It can also be used to calibrate the G.M. Tube. The chamber is demountable and can be used at atmospheric pressure, evacuated or gas filled. It is supplied complete with open and closed windows and connectors. Polarization is up to 2,000 volts DC. A DC amplifier capable of measuring current down to 10- 11 DC amps is required.
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Teltron Products Tel-X-Ometer X-Ray & Accessories Electron Tubes Spectroscope Thermodynamics Radiometer Leslie's Cube Stefan-Boltzmann |
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Kater Pendulum Photogate Air Tracks Oscilloscopes Instrumentation Sweep Generator with Counter Multimeters |
Superconductivity Photoelectric Effect Cloud Chamber Planck's Constant Rutherford Scattering Apparatus Speed of Light Apparatus Magnetic Bubble Apparatus Millikan Apparatus Smart Magnetic Sensor Power Supplies |
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