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Estimated to be delivered on 12/01/2022 - 15/10/2022.
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Product Feature
Model:FTP-LED
Upper and lower polarizers: 49mm large-diameter polarizer, removable structure. The upper polarizer is free to rotate 360°, and the stage is free to rotate 360°; the lower polarizer is fixed;
Light source: long-life, warm white LED cold light source imitating incandescent lamps, which facilitates observation of interference patterns and is more conducive to protecting polarizers;
Power supply: Equipped with an integrated global wide-voltage power supply, it can work normally within the voltage range of 100--240V, and the brightness is stable;
Accessories: Equipped with 18mm large-diameter observe Interference ball;
Power: 1W;
External dimensions: 110mm×70mm×145mm;
Weight: 650g;
Material: metal material.
Reaction of gem under polariscope
Four bright and four dark:crystal,moonstone,scapolite,Iolite,topaz,Peridot, Diopside,Apatite,Chrysoberyl, Corundum and the synthetic corundum,Zircon
Always bright:nepherite,jadeite,Chalcedony,Rhodochrosite,colored Marble
Always full-dark:Glass imtation,Glass aerolite,Opal,Fluorite,Grossularite,Spinel,etc.
Abnormal extinction:part of glass imitation,part of opal,Fluorite,Grossularite,most part of Rhodolite and Almandine,Synthetic spinel,most diamond,and some cubic zirconia,etc.
Attention
1.Crack of gem may interfere the effect of polariscope,so pls tell them apart
2.Put the gem with high refractive index into the oil with close refrative index,contour of the gem completely disappears and the inclusions are displayed.
3.This polaricope is not fit for Opaque and small gem.
FABLE gemological polariscopes Parameter
Model | FTP-49 | FTP-LED | FTP-DCL | FPP-30 |
Parameter | White LED cold light source | Warm white LED cold light source | Dual light source-warm light &white light | Portable Polariscope |
49mm large diameter polarizer | 25mm diameter polarizer | |||
Upper polarizer can rotate 360° | ||||
110mmx70mmx145mm | 135mmx82mmx150mm | 35mmx85mm | ||
100v-240v | 100v-240v | 110-240V | Button battery | |
High luminance, and long life
White LED cold light source |
High luminance, and long life
Warm white LED cold light source |
Warm white light 3200K-3800K
White light 6000K-6500K |
High luminance, and long life
White LED cold light source |
|
Load platform: 360°rotating | Detachable unloading platform | |||
Conoscope: high condenser lens | No conoscope | |||
Accessory | Conoscope*1 | Conoscope*1 | Conoscope*1 | Packaging leather case*1 Button cell*1 |
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