ABOUT PRODUCTS RESOURCES QUOTES/ORDERING  
1-800-762-2478   Facebook Twitter Twitter 


 Abrasion
 Adhesion
 Application
 Color/Gloss
 Density
 Dispersion
 Drum Handling
 Drying Time/Gelation
 Film Flaws
 Film Thickness
 Hardness
 Impact & Flexibility
 Lab Apparatus
 Measuring Instruments
 Moisture/Air/Temp.
 Optical Instruments
 pH & Conductivity
 Publications
 Surface Profile
 Surface Tension
 Viscosity
Home  >>  Products  >>  Optical Instruments  >>  Polariscope and Ramsden Hand Lens
Model 243 6 " Polariscope

With Tint Plate

Polariscope

Polariscopes are essential tools for determining strain patterns developed during fabrication, manufacture, or use. It can be used to check production items; or in Quality Control to check incoming materials and parts.

Polariscopes are used to inspect glass welds and bends for strains or flaws. The degree of annealing in fabricated glassware can be shown using the Model 243.

As polarized light travels through strained glass or plastic, it undergoes a retardation proportional to the amount of stress. A polariscope is an instrument which can be used to qualitatively view this retardation.

The instrument has a generous 5.75" diameter polarizer. The unit plugs into standard 115-125 volt wall sockets. A voltage convertor for 220 volt is available.





TECHNICAL DATA INSTRUCTIONS PRICE LIST
 

 

Technical Data

top
Technical Data
Power: 115-125V AC or DC, 7 ft. cord
Working Space: Up to 6 vertical inches
Field Diameter: 5-3/4 in. (14.6 cm)
Filters: Glass protected Polaroid, type HN 32
Polarizer: 90° adjustable rotation
Weight: 8 lbs (3.6 kg)
Shipping Weight: 11 lbs (5.0 kg)
Finish: Black Enamel

 

Instructions

top
  • Loosen the red knob. Slide the Analyzer towards the top of the Support Rod. Tighten the knob.
  • Slide the Tint Plate up the Support Rod, giving enough clearance to place your sample between the Polarizer and the Tint Plate (which is at the top of the Base Assembly) and the Tint Plate.
  • Plug the cord into a standard 115-125VAC outlet and turn on the unit's light source with the switch on the Base Assembly.
  • Place the sample to be viewed on top of the Polarizer Ring.
  • Using the Tint Plate will show the strains in color. If desired, swing the Tint Plate out of the way for a black & white image.
  • Rotating the Polarizer Ring will adjust the contrast/ brightness. The ring can be rotated a full 360°.
  • The color balance/hue can be adjusted by rotating the Tint Plate.

 

Polariscope Example

top
Tape The photo shows the strains in a clear plastic tape dispenser. The polariscope shows true strain patterns in transparent materials.

 

Prices

top
Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
MA-243 Polariscope with Tint Plate $959.00

 

 

 

Model 239 Ramsden Hand Lens

239 Ramsden Hand Lens

The Model 239 is a high quality, precision Ramsden hand lens. This low powered (6X) instrument features excellent optics, a perfectly flat field with a diameter of 3/4" (19 mm), a two element Ramsden magnifier, and relatively large distance of 3" (76 mm) between the eye and object being inspected.

The Model 239 is rugged and lightweight with a durable black anodized finish. A carrying case is included with the instrument.

 

Technical Data

top
Technical Data
Magnification: 6X
Field Diameter: 3/4 in (19 mm)
Length: 2-3/16 in (5.6 cm)
Diameter: 1 in. (2.5 cm)
Weight: 1 oz. (28 g)
Shipping Weight: 1 lb (454 g)

 

Prices

top
Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Item Number Item Prices
MA-239 Ramsden Hand Lens $70.00



top

Call HAVE QUESTIONS?
    1-800-762-2478
Email PREFER TO EMAIL?
    gardner@gardco.com
  FIND PRODUCTS LEARN MORE ORDERING INFO ABOUT US
  By Category Email Registry How to Order Contact Info
  By Industry Trade Shows Request Quote History
  New Products Test Lab Info Order Form FAQ's
  Monthly Product Articles/Links Sales & Clearance Policies




  © 2018 Paul N. Gardner Company, Inc. | Contact | Policies Facebook  Twitter  YouTube  Blogger