Save $USD 1,079.25

MT6820 & MT6830 Series
 PLM & PCM Combo Asbestos Compound Microscope Phase Contrast Dispersion Staining


  • DIN standard eyepiece KHW-10X Compensating Eyepiece
  • KHW-10X Compensating Focusing eyepiece with Walton & Beckett reticle installed
  • Walton & Beckett reticle, 21mm diameter factory installed in eyepiece
  • Centerable quadruple nosepiece with SM Plan strain free objectives 10X, 20X, and Dispersion Staining objective 10X and 40X
  • Rotatable stage with graduation 360°, with vernier graduations reading to 1° degree
  • Rotatable polarizer in swing-out mount with, analyzer and Bertrand lens in sliding mount
  • Strain free Abbe condenser with centerable annuli for 10X, 20X, 40X phase or 10X, 20X, 40X dispersion staining objectives in sliding mount iris diaphragm with dovetail mount
  • Green Interference lter, 546nm, 29.8mm diameter, unmounted
  • Includes First Order red compensating plate ( 530nm, Gypsum or Sensitive Tint Plate) and Analyzer in sliding mount

$USD 6,115.75 $USD 7,195.00

Asbestos Microscopes

PLM (Polarizing Light Microscopy):

This method is useful for the qualitative identi cation of asbestos and the semi-quantitative determination of asbestos in bulk samples. This method measures the percentage of asbestos as perceived by the analyst in comparison to standard projections, photographs and experience. The quality of the results are dependant upon the skill and judgment of the operator.

PCM (Phase Contrast Microscopy):

Phase contrast microscopy is the method that is primarily used for estimating asbestos concentrations of airborne bers. This method is quick and can be performed on-site for a rapid determination of concentrations of asbestos bers in the air. Phase contrast microscopy does not positively differentiate between asbestos and other bers. Positive identi cation of asbestos ber must be performed using PLM (Polarized Light Microscopy) or Electron Microscopy (Method 7402).

  • DIN standard eyepiece KHW-10X Compensating Eyepiece
  • KHW-10X Compensating Focusing eyepiece with Walton & Beckett reticle installed
  • Walton & Beckett reticle, 21mm diameter factory installed in eyepiece
  • Centerable quadruple nosepiece with SM Plan strain free objectives 10X, 20X, and Dispersion Staining objective 10X and 40X
  • Rotatable stage with graduation 360°, with vernier graduations reading to 1° degree
  • Rotatable polarizer in swing-out mount with, analyzer and Bertrand lens in sliding mount
  • Strain free Abbe condenser with centerable annuli for 10X, 20X, 40X phase or 10X, 20X, 40X dispersion staining objectives in sliding mount iris diaphragm with dovetail mount
  • Green Interference lter, 546nm, 29.8mm diameter, unmounted
  • Includes First Order red compensating plate ( 530nm, Gypsum or Sensitive Tint Plate) and Analyzer in sliding mount

MT6820 & MT6830 SERIES PLM & PCM COMBO ASBESTOS COMPOUND MICROSCOPE PHASE CONTRAST DISPERSION STAINING (PCM – FOR NIOSH 7400 AND OSHA ID 160 REFERENCE METHOD & PLM – FOR NIOSH 9002 BULK FIBER IDENTIFICATION)

The MT6820 & MT6830 Series Asbestos PLM–PCM Combination Microscopes for Bulk Fiber Identi cation NIOSH 7400 & 9002 and OSHA ID 160 Reference. The MT6800 has been designed as a versatile, modular, ergonomic Asbestos PLM-PCM microscope combination system which are ideally suited in education, research or advanced laboratory applications where in space is limited. Ergonomic placement of controls allows for stress free operation, increased lab ef ciency and maximum productivity. Transmitted 6V 30W Koehler Halogen illuminator with strain free condenser with slider for dispersion staining objectives and strain free ∞ In nity Corrected objectives and Dispersion Staining Objectives. The MT6800 Series offers an outstanding range of features and optical performance with an emphasis on all newly engineered high performance optics based on Meiji Techno’s ICOS Optical System (In nity Corrected Optical System). The new strain free optics, provide exceptionally bright, crisp images, with good color rendition and superior at elds of view.

Conetnts:

  • Viewing Head: Binocular (in MT6820) or Trinocular (in MT6830)
  • Objective Lenses: Strain Free Plan 10x, 20x, 40x objectives, 10x Dispersion Staining objective, and U. Plan Phase 40x objective.
  • Eyepieces: Siedentopf trinocular head has interpupillary distance adjustment from 53mm – 75mm. Trinocular head has an 80/20 beamsplitter for photo work. Head includes the integrated reticle angle compensation system. When the interpupillary distance or number is changed, the crossline reticle remains perpendicular in the field of view. Includes one 10x widefield high eyepoint eyepiece , one widefield high eyepoint focusable eyepiece with crossline reticle and guide pin, and one 10x widefield high eyepoint compensating focusing eyepiece with Walton & Beckett reticle. All FN20.
  • Total Magnification: 100x, 200x, 400x.
  • Specimen Stage: Ceramic-coated 360 degree rotatable fully indexed graduated stage with vernier and stage clips.
  • Focusing: Coaxial low-positioned coarse and fine focus controls, graduated to 2 microns per division, fitted with tension adjustment and safety auto stop.
  • Condenser: Strain free Abbe condenser, NA 1.25 with centerable annuli for 10x, 20x, 40x phase or 10x, 20x, 40x dispersion staining objectives in sliding mount, with iris diaphragm and dovetail mount.
  • Illumination: Powerful 30w transmitted light Koehler halogen illumination provides enhanced image quality and brightness for observation of specimens. Includes auto voltage sensing power supply (110v~240v).
  • Included: Microscope includes first order red compensating plate (also called Gypsum or Sensitive Tint Plate), analyzer in sliding mount, Bertrand lens, Blue Clear and Green Interference Filters, centering telescope, stage micrometer, eyeshields, owner’s manual and dust cover.
  • Warranty: Meiji Techno warrants the microscope body against defects in material and/or workmanship for the life of the instrument from the date of original purchase to the original purchaser. Illuminator warranty is 1 year.
SKU: MT6830-MT6820 Categories: , , ,

MT6830: Trinocular Binocular MT6800 Series Asbestos PLM–PCM Combination Microscopes for Bulk Fiber Identification NIOSH 7400  & 9002 and OSHA ID 160 Reference.  The MT6800 has been designed as a versatile,  modular, ergonomic Asbestos PLM-PCM microscope combination system which are ideally suited in education, research or advanced laboratory applications where in space is limited.  Transmitted 6V 30W Koehler Halogen illuminator with strain free condenser with slider for dispersion staining objectives and strain free ∞ Infinity Corrected objectives and  Dispersion Staining Objectives. The MT6800 Series offers an outstanding range of features and optical performance with an emphasis on all newly engineered high performance optics based on Meiji Techno’s ICOS Optical System (Infinity Corrected Optical System). The new strain free optics, provide exceptionally bright, crisp images, with good color rendition and superior flat fields of view
MA953: Trinocular head, 30° inclination.  Siedentopf type, with reticle angle compensation, graduated diopter  on left eyetube  with interpupillary adjustments of 53mm to 75mm. (23.2mm I.D.)
MA407: KHW-10X Compensating eyepiece, F.N. 20,(each) (Tube O.D. 23.2mm)
MA407/W: KHW-10X Compensating eyepiece, F.N.20 with Walton & Beckett reticle factory installed (each)(Tube O.D. 23.2mm)
MA254/05: Walton & Beckett reticle, 21mm diameter (Factory installed in MA407/W)
Nosepiece: Reverse Facing Quadruple ball-bearing with one fixed and three centerable objective apertures
MA936: Strain free Plan objective 10X/N.A. 0.25, W.D. 7.3mm, ∞ Infinity Corrected
MA936D: Strain free Plan objective 10X/N.A. 0.25, W.D. 10.6mm, ∞ Infinity Corrected (Dispersion Staining Objective)
MA937: Strain free Plan objective 20X/N.A. 0.40, W.D. 7.29mm, ∞ Infinity Corrected
MA938: Strain free Plan objective 40XS/N.A. 0.40, W.D. 0.72mm, ∞ Infinity Corrected
MA954/05: Strain free Abbe condenser, N.A. 1.25, includes sliding mount with annulus for 10X, 20X, 40X phase or 10X, 20X, 40X dispersion staining objectives in sliding mount with iris diaphragm, dovetail mount
MA458: Focusing Centering Telescope, 23.2mm O.D.
MA759: Green interference filter 546nm, 29.8mm diameter, unmounted (Fits in filter slot below swing-out polarizer)
MA946: Stainless Steel Stage Clips ( 2 pcs.)
MA470/05: First Order Red compensating plate, 530nm for MT6800 (20mm X 6mm X 80mm)
MA471/05: Analyzer (Sliding type for MT6800 Series (26mm X 6mm X 80mm)
MA477/05: Bertrand lens (Sliding type) for MT6800 Series
Stage: Rotatable stage with Vernier graduation 360° with Vernier, reading to 1°, 150mm diameter with stainless steel stage clips (Factory Installed)
Focusing Adjustment: Coaxial coarse and fine focusing controls with graduation reading 2 microns power division.  Incorporates tension adjustment and safety Auto-focus stage stop lever
MA289/05: Blue clear daylight filter, 29.8mm diameter, unmounted
MA285: Glass Stage Micrometer with 1mm divided into 100 units, 0.01mm
MA326: Bulb 6V 30W Halogen (Factory Installed)
MA327: Fuse 3 Amp (Factory Installed)
MA809/10: Removable AC Electric cord with plug for 115V models (Included in all 115V models)
MA809/20: Removable AC Electric cord with plug for 220V models (Included in all 220V models)
Polarizer: Swing in-out click/clamp mount, fully rotatable 360° with click stop at 0°and 90°
MA712: Dust cover for MT6800 Series
Manual: Meiji Techno America MT6800 Manual
Warranty: Limited Lifetime Warranty Card

Product Information:
Manufactured: 100% MADE IN JAPAN
Warranty: LIMITED LIFETIME WARRANTY
Customer Support: 1-(800) 832-0060 (U.S.A Based)

Package Information:
Weight: 29.0 lbs (8.0 kg)
Box Size: 16 x 14 x 21 inches
Footprint: 263mm (D) x 176mm (W)
Binocular head type: 390 mm(D) x 410mm (H) x 210mm(W) (8.0kg)( 29.0 lbs.)
Trinocular head type:390 mm(D) x 465mm(H) x 210mm(W) (8.7Kg)( 30.0 lbs.)

ModelHeadIlluminationEyepiecesObjectivesStageCondenser
MT6820BinocularTransmitted light Koehler Illuminator 6V 30W halogen auto voltage sensing with intensity control(1) KHW10XCP Focusing with guide pin and crossline reticle, (1) KHW 10X, F.N. 20 O.D. 23.2mmDIN Strain Free Plan 10x, 20x, & 40x, & 10x Dispersion Staining, & U. Plan 40x PhaseRotatable with 360 degree graduations and vernierStrain Free Abbe N.A. 1.25 w/ slider for dispersion staining and phase objectives
MT6830Trinocular

VIEWING HEADS
Model MA952 is the Siedentopf-type binocular head and Model MA953 is the trinocular head for camera integration. Each head has the 23.2mm eyetubes inclined at 30 degrees with the left eyetube having graduated diopter settings.

The interpupillary distance is adjustable between 53mm – 75mm. An 80/20 beamsplitter for the trinocular tube can be engaged for photo work.

Each head has the new integrated reticle angle compensation system. When the IP distance or number is changed, the crossline reticle remains perpendicular in the FOV.

EYEPIECES
10X Widefield High Eyepoint eyepiece F.N. 20, 10X Widefield High Eyepoint focusable eyepiece that has a 21mm crossline reticule and guide pin, and 10X Widefield High Eyepoint Compensating Focusing eyepiece, F.N. 20 with Walton & Beckett reticle are standard.

OBJECTIVE CHANGER
The smooth-operating, ball bearing mounted, quintuple nosepiece provides effortless objective changes.

OBJECTIVES
Meiji Techno offers an assortment of U. Planachromat Phase and S. Planachromat Polarizing Infinity Corrected objectives.

STAGE
Ceramic coated 360 degree rotatable fully indexed stage with vernier and stage clips.

CONDENSER
Strain free Abbe condenser, N.A. 1.25 with centerable annuli for 10X, 20X, 40X phase or 10X, 20X, 40X dispersion staining objectives in sliding mount, with iris diaphragm and dovetail mount.

ILLUMINATION
Powerful 30 watt transmitted light Koehler halogen illumination provides enhanced image quality and brightness for the observation of specimens.

ACESSORIES
All MT6800 Series models come with a first order red compensating plate (also called Gypsum or Sensitive Tint Plate), an analyzer in sliding mount, Bertrand lens, Blue Clear and Green Interference filters, Centering Telescope, and Stage Micrometer.

PHOTOMICROGRAPHY
Meiji Techno offers a broad range of digital video cameras which offers excellent sensitivity, high resolution and a wide dynamic range for the most demanding brightfield and darkfield microscopy applications including clinical pathology and cytology, life sciences and geology. Some models has included software, that can preview and capture still shots and live videos to a PC or Mac with USB port or HDMI connectivity.

All MT6800 Series models are supplied with a centerable quadruple nosepiece, 175mm diameter
ceramic coated, rotatable stage with vernier and 360° degree graduation, First order Red Plate, Strain
free Plan 10X, 20X, 40X, Pol objectives, 10X Dispersion Staining objective, Plan Semi Achromat 40X
Phase, MA285 Stage Micrometer, 29.8mm diameter GIF filter (546nm), 29.8mm blue clear daylight
filter, dust cover and operations manual.

NOT INCLUDED – REQUIRED TEST SLIDE: The HSE/NPL Mark II Phase Shift test slide checks or
standardizes the visual detection limits of the phase contrast microscope. The HSE/NPL test slide
consists of a conventional microscope slide with seven sets of parallel line pairs of decreasing widths.
The microscope must clearly resolve line pairs 1-3. Line pairs 4-5 must be at least partially visible. Line
pairs 6-7 must be invisible. A microscope which fails to meet these requirements is either too low or
high in resolution and cannot be used for asbestos identification. The items marked with the asterisk
(*) are included in all MT6820 and MT6830 Series Models.

MT6830 Halogen Trinocular Asbestos PLM/PCM MicroscopeMT6830 Halogen Trinocular Asbestos PLM/PCM Microscope

Polarizing Microscopy Basics & Applications

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