HLM-40MRT Upright Metallographic Microscope

1. Product features
-HLM-40MRT provides customers with cost-effective solutions for metallographic analysis and industrial testing with excellent imaging performance and comfortable operating experience.
-Optimized LMPlan series of infinite distance and long working distance metallographic objective lens, improve the correction level of chromatic aberration, while adjusting the film system design, further improve the image resolution and color reducibility.
-Can provide bright field, oblique lighting, simple polarized light and other observation functions, bright field image high brightness, high resolution, positive color restoration;Oblique lighting can highlight the visual stereo relief effect.
-50X, 100X, 200X, 500X, 1000X(optional) (Standard 10X eyepiece)
-The observation cylinder with the best comfortable Angle (30°) can relieve the tension and fatigue of users in the long working condition and ensure the best observation state;There is scale on the observe cylinder to facilitate the user to adjust the best pupil distance range.
-The falling illuminator adopts LED Cora lighting system with field of view aperture, aperture aperture and oblique lighting device.Preset offset mirror, offset mirror and color filter slot.
-A single 5W LED warm white light (3000-3300K), compared with similar LED lighting, can minimize the visual fatigue of the observer.
-With excellent concentrating system, the numerical aperture is larger, the brightness is higher, and the transmittance of transmitted light is greatly improved.
-Field stop and aperture stop pull rod device, with adjustable center, can flexibly adjust the size of lighting range, effectively avoid the influence of stray light on the image.
-Polarizing mirror and polarizing mirror can realize simple polarizing observation, you can also choose different color filter according to your needs to obtain the ideal observation effect.
-The reflective frame can place samples up to 28mm, and the reflective frame can lower the loading platform 50mm by rotating the screw at the same position in the picture on the right, thus making the maximum sample height up to 78mm.
-Random limit device, can effectively prevent sample and objective contact, avoid damage.

2.Technical parameters

Optical system	Optical system for infinitely far chromatic aberration correction
Observation tube	30° tilt, infinite distance hinged binocular observation tube, pupil distance adjustment: 54mm~75mm, unilateral visual adjustment: ±5 diopter
Observation tube	30° tilt, infinite far hinge three-way observation tube, pupil distance adjustment: 54mm~75mm, unilateral vision adjustment: ±5 diopter, two-step splitting ratio R:T= 100:0 or 50:50
Eyepiece	High point flat field eyepiece PL10X22mm
	Eyepiece PL10X22mm (with micrometer)
	Eyepiece PL10X22mm (adjustable visibility)
	High point flat field eyepiece PL15X16mm
Objective	Flat field infinitely long working distance achromatic metallographic objective (5x, 10x, 20x, 50x, 100x)
Objective converter	Internally positioned five hole converter
Coarse fine focusing mechanism	Reflection frame, low hand position coarse micro coaxial focusing mechanism, coarse adjustment stroke 28mm, fine tuning precision 0.002mm.With an adjustable tension device to prevent sliding and a random upper limit device.With platform position up and down adjustment mechanism, maximum sample height 78mm
Objective table	Double mechanical moving platform, low hand X, Y direction coaxial adjustment;Platform area 175X145mm, mobile range: 76mmX42mm can be equipped with reflective metal carrier plate, transparent glass carrier plate
Lighting system	Adaptive wide voltage 100V-240V_AC50/60Hz, reflector lamp room, single power 5WLED, warm color, Corla lighting, with field and aperture aperture, adjustable center, with oblique lighting device
Condenser	For transmission, swing out achromatic condenser (N.A. 0.9) with variable aperture aperture and adjustable center is used
Other attachments	Transmission filter: yellow, IF550 filter, LBD filter, neutral filter
	Photography and video accessories: 1X, 0.67x, 0.5x C interface, adjustable focus;3.2X camera eyepiece, camera receiver (with PK bayonet or MD bayonet) digital camera relay mirror
	Reflection with interference filter: blue <=480nm;520 nm to 570 nm green;Red NMLBD 630 ~ 750
	High precision micrometer, 0.01mm

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