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LOMO Microscope MULTISCOPE BMH3-ASB Phase Contrast for NIOSH 7400 Asbestos - -BMH3-ASB
 LOMO Microscope MULTISCOPE BMH3-ASB Phase Contrast for NIOSH 7400 Asbestos - -BMH3-ASB - The BMH3-ASB PHASE CONTRAST MICROSCOPE is a Phase Contrast version of LOMO's Multiscope microscope series specially designed to meet the requirements for both NIOSH 7400 and OSHA methods for counting asbestos and asbestos related fibers in air samples by PCM (Phase Contrast Microscopy). Walton-Beckett Graticule (16mm dia. $160.00. RE-1060) is included!
The BMH3-ASB PHASE CONTRAST MICROSCOPE includes everything that the LOMO BMH4-PH Phase Contrast microscope does, with the following exceptions/additions:
- The BMH3-ASB PHASE CONTRAST MICROSCOPE includes 2 brightfield Plan Achromat objectives, 4x and 10x, for locating and searching through your sample. It then includes a 40x, 0.65 N.A. phase contrast achromat objective for performing the fiber counting. The phase annuli of the condenser and 40x phase objective can be easily centered using the included centering telescope CT-4 and the two knurled alignment knobs on the front of the condenser.
- The BMH3-ASB PHASE CONTRAST MICROSCOPE includes 2 10x compensating eyepieces, one of which is a focusing design to enable focusing on the included Walton-Beckett counting reticle. The Walton-Beckett reticle will arrive installed and has a D-value of 4.00
- The BMH3-ASB PHASE CONTRAST MICROSCOPES includes a soft, padded carrying case for transportation
- The BMH3-ASB PHASE CONTRAST MICROSCOPE binocular head has a magnification of 1.0x, instead of 1.5x on the BMH4-PH, in order to yield exactly 400x magnification for phase observations according to NIOSH 7400.
Feature Table for LOMO MULTISCOPE Phase Contrast BMH3-ASB Microscope
OPTICAL SYSTEM: 160mm Mechanical Tube Length, 33mm Parfocal Distance, 40X–400X Magnification for observation |
HEAD |
Binocular |
45° inclined, 360° rotatable. Magnification factor: 1.0X. IPD adjustment range: 54mm–76mm. DA for the left eyepiece: ±5dpt |
STAND |
UniFrame™ |
• Observation head universal dovetail mount. Accepts heads, Epi-Illuminators, and photo-attachments.
• Dovetail nosepiece mount. Allows the use of an interchangeable nosepiece or an Epi-Objective adapter.
• Rack-and-pinion focusing with tension adjustment and safety stop.
• Focusable condenser mount. Condenser vertical movement: 22mm.
• Sturdy and stable base with four rubber feet.
• Chemical- and scratch-resistant finish. |
FOCUSING |
Coarse |
Two large knurled knobs. Built-in slip clutch mechanism. Tension adjustment. Travel range: 42mm |
FineWheel™ |
Large knurled disk built into the base. Adjustment range: 2.5mm with 0.45mm of vertical travel per full revolution. |
NOSEPIECE |
Quadruple |
Built-in precision click stops for parfocality and parcentricity of the objectives. Dustproof. Chrome plated. |
STAGE |
Mechanical |
High-precision mechanical stage. Low coaxial X/Y controls. Size: 135mm x 120mm. Specimen cross-travel: 80mm x 40mm. Scale graduation: 1mm. Vernier Accuracy: 0.1mm. |
CONDENSER |
Phase Contrast |
N.A. 0.8, with four annulus rings and the Brightfield position. Centerable with two alignment knobs. Build-in aperture diaphragm and a swing filter holder. |
ILLUMINATION |
Variable Halogen |
Built in, 12V/20W. Easy bulb replacement and filament alignment. Internal heat-absorbing filter. External power supply for additional safety and cooler operation. |
OBJECTIVES |
2 EAB Plan Achromats; 1 EAP Flatfield Achromat |
4 X 0.12 EAB brightfield, 10 X 0.25 EAB brightfield, 40 X 0.65 EAP phase |
EYEPIECES |
EKW Series (2 pc) & Centering Telescope (1 pc) |
10X, F.N. 18 Compensating, Widefield, High eyepoint. One eyepiece focusing with Walton-Beckett reticle D-value 4.00 installed |
FILTERS |
Diffusing |
Ø33mm. |
Blue |
Ø33mm. |
Green |
Ø33mm. |
Miscellaneous |
Soft Padded Carrying Case, Instruction manual, dust cover, spare bulb |
| | | No. | MODEL NO. | DESCRIPTION | QUANTITY | | 1 | M-FMU-UPH | Microscope Stand Assy., Uniframe w/M-Stage and Clear Heat Filter | 1 | | 2 | M-SHD-HB45M | Head, Binocular | 1 | | 3 | M-SCO-PH | Condenser, Phase Contrast, N.A.0.8 | 1 | | 4 | M-SOB-EAB4-1 | Objective, Achromatic, Plan, 4x, N.A.0.12, Brightfield | 1 | | 5 | M-SOB-EAB10-1 | Objective, Achromatic, Plan, 10x, N.A.0.25, Brightfield | 1 | | 6 | M-SOB-EAP40-1 | Objective, Achromatic, Flat Field, 40x, N.A. 0.65, Phase Contrast | 1 | | 7 | M-SEP-EM10 | Eyepiece, Measuring, 10x, F.N. 18 | 1 | | 8 | M-SEP-EKW10 | Eyepiece, Compensating, Widefield, 10x, F.N.18 | 1 | | 9 | M-SEP-CT4 | Centering Telescope | 1 | | 10 | M-SFL-B33-1 | Filter, Blue, Daylight, DIA 33mm | 1 | | 11 | M-SFL-D33-1 | Filter, Diffusing, DIA 33mm | 1 | | 12 | M-SFL-G33-1 | Filter, Green, DIA 33mm | 1 | | 13 | M-SBU-1010 | Bulb, Halogen, 12V/20W, G4 | 2 | | 14 | M-SRE-1050 WB | Reticle, Walton-Becket, DIA 16 mm | 1 | | 15 | M-SZZ-1006 | Plug, Objective, Threaded | 1 | | 16 | M-SZZ-1008 | Plug, Headmount | 1 | | 17 | M-SZZ-1025 | Wrench w/Screwdriver | 1 | | 18 | M-SZZ-2001 | Dust Cover | 1 | | 19 | M-SZZ-PS1220 | Power Supply Assy., 12V, 20W | 1 | | 20 | M-SZP-MU-MAN1 | Manual (English) | 1 | | 21 | M-FMU-CASE | Soft Padded Carrying Case | 1 |
The Multiscope™ BMH4-PH is a microscope of quality, and, like all LOMO microscopes, is built to last a lifetime and is protected by LOMO's Limited Lifetime Warranty.
Note: The BMH3-ASB PHASE CONTRAST MICROSCOPE will require an appropriately trained individual- one who has successfully completed the NIOSH 582 course or an equivalent, e.g. McCrone Research Institute Asbestos Fiber Counting (1616)*.
Detailed procedure for asbestos sampling and analysis by Occupational Safety & Health Administration (OSHA) is available for your review here.
ASBESTOS and OTHER FIBERS by PCM 7400 instructions can be found here
*McCrone Research Institute, 2820 S. Michigan Ave., Chicago, IL 60616, Ph: 312-842-7100, Fx: 312-842-1078, www.mcri.org
LOMO Microscope MULTISCOPE BMH3-ASB Phase Contrast for NIOSH 7400 Asbestos - -BMH3-ASB on Sale from OpticsPlanet.com
-BMH3-ASB - LOMO Microscope MULTISCOPE BMH3-ASB Phase Contrast for NIOSH 7400 Asbestos
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