OPTICAL TEST EQUIPMENTS

Equipment for testing the refractive and astigmatic powers, telescope 20X able to be focused with stepper motor driven grid target, rotating samples holder, automatic results calculation on a PC (supplied) laser beam for difference of astigmatic powers.

TECHNICAL FEATURES:

• Holder beam made by ITEM aluminium profile 80X80 heavy series, 2,7 m. total length.
• N. 2 beam holder ( with adjustable in the height feet )made by ITEM aluminium profile 80X40
• 24X20 motorized focusing telescope with electronic displacement measuring system
• High resolution Celestron astronomic camera with USB connection to the PC
• Adjustable samples holder for single lenses and 2 headforms 1-M ISO type made by fiberglass for eyeglasses tests ( one for refractive powers tests and one for difference of refractive powers tests .
• Motorized target (for clockwise and counter-clockwise rotation) driven in remote from the PC with illuminated target by LED lamp, diffuser and Interference green filter.
• 2mw laser diode with holder, with 1 mm pin hole and 25 mm diam, 50 mm efl achromatic lens.
• 3 holes diaphragm with 32 mm distance between holes with lens holder. Additional rotating ring with smaller distance for testing small glasses with 80 mm dia. 1000 mm efl. Achromatic lens.
• Screen made by white painted aluminium as laser target with camera reporting points on the PC screen in order to calculate the distance between the different points
• Lenses holders, columns, column bases and fixing rings made by black anodized Anticorodal.
• Aluminium box with commands, switches and 12V power supply + laptop PC with software
• AD original QUASM7 microprocessor and original AD software for motor driving, data acquisition and transmission.
• Set of six calibration lenses of different powers (+/- 0,06, +/- 0,12 , +/- 0,25 diopters) supplied with holder
• Required power supply : 230-240 V, 50Hz
• Overall dimensions m: 2,8 x 0,7 X 1,5
• Weight: Kg 120

Apparatus for assessment of area of coverage of face shields and googles, with rotating and rocking headform holder ,laser pointers.

TECHNICAL FEATURES:

• Frame made by aluminium Item profile mm 160×40, 80×40 and 40×40.
• Electric motor with gearbox moving arm, max rotation +/- 60 °.
• Arm provided with laser focused on headform pupil.
• Headform manufactured according to EN 168, shiftable each side and rotating around pupil axis.
• Command moving motor upand down fast, up and down low.
• Electronic angle finder in order to verify the vertical angle finder.
• Graduation engraved on the base in order to verify the angle rotataion of the haedform.
• Movement by electric motor, electronic level included in order to verify the field of vision,
  screen made by touch-screen for all necessary test, headform included.

Light diffusion test basic method, 75W xenon lamp source, light spot 9 mm diameter, silicon photo detector, fully automatic, commands, operation, calculation by PC and Smartwheel.

TECHNICAL FEATURES:

• On a steel honeycomb table (dim. 700×1100 mm) with working surface, all the optical components are assembled, including a Xenon light source and the photoreceptor.
• The honeycomb table top is mounted on a aluminium frame manufacture using high quality Item profiles.
• The following parts are set up on to the table top:
  o Xenon lamp: composed by a Osram XBO 150 W lamp, ES parabolic mirror, socket, electronic interface, housing and an IREM EX 30 G power supply unit.

Optical components:

◊ n.1 concave mirror H1 diameter 2″ efl. = 100mm.
◊ n.2 concave mirrors H2 and H3 diameter 2″ efl. =200mm.
◊ n.2 flat pyrex mirrors 40mm. diameter.
◊ Acromatic lens 2″ diam. efl. = 200mm.
◊ Anular diaphram (BR) diameter ext. 21mm inn. 15,75mm.
◊ Circular iris adjustable diaphragm from 1 up to 8,5 mm.
◊ n.2 circular iris adjustable diaphram from 2 up to 36mm.
◊ Assembling optical parts kit composed by several lenses and mirrors holders, with combination pillars and pillar pins.
◊ Assembling part as carriers, micropositioning optical components holders and other devices.

• Honeycomb table top, made by ferromagnetic stainless steel, array of M6 tapped holes with 25mm grid spacing.
• Hamamatsu high sensitivity photoreceptor 100mm square, assembled inside an aluminium housing.
• Special photoptic filter installed in front of the photoreceptor.
• Attenuation filters to be used to reduce or increase testing light.
• +/- 12 volts high precision linear power supply.
• Measuring device using HP professional high precision multimeter with 8 and ½ digits, connected via USB to the PC.
• Measurement system and software installed on a PC with 19” LCD colour monitor and keyboard.
• Custom made control microprocessor with USB communication, for data recording from photoreceptor and data transmitting to the the PC.
• Micropositioning high precision n.2 stepper motors for diaphragm and sample automatic positioning.

Software:

• The software is uses the operative system Windows 7 or 8.
• The software developed directly by our engineers and dedicated to the light diffusion test has the following main functions:
  ◊ Immediate calculation of diffusion before abrasion.
  ◊ Immediate calculation of diffusion after abrasion.
  ◊ Immediate calculation of the light transmittance.
  ◊ Graphic scale continuously showing the detected light.
  ◊ The formula of the calculations are already installed.
  ◊ Each measure T0,T1,T2 are recorded when ready, by pressing some function key.
  ◊ The final calculation is automatic , giving the enter command.
  ◊ All data are displayed on colour monitor in different colours.
  ◊ Gain selection and transducer sensitivity selection via software.
  ◊ Automatic or not recording of the data (stored on the HD) after each test.
• Possibility of really complete description of the sample under test including:
  ◊ Progressive test number, date of the test, customer identification, batch identification, sample identification, data with the 3 results of the test.
  ◊ Three main languages to be selected (English, French and Italian).
  ◊ Other languages easy to be installed (original Windows version is necessary).
  ◊ Printing possibility of the data with company logo, and all data and information displayed on the screen.

Hardware features:

• Lenses cover devices to avoid interference with ambient light.
• Possibility of testing all kind of lenses including dark and tinted filters.
• Variable Testing area using iris diaphragm.
• Testing lenses calibrated in reference lab supplied.
• Dimensions mm. 1100x700x1328 (table included).
• Weight 130 Kg.

Software features:

• Extremely rapid in all the operations.
• Extremely flexible and easy customizable.
• Compatibility with all printers using Windows options.
• Totally automatic test with command only from PC.