Anemometer / Lux / Light Meter. 100,000 + 3 Range. 200, 000 + 4 Range. 50,000 + 3 Range. Distance Meter / Range Finders.
EC / TDS / PPM Conductometers. 3-in-1 EC/ CF /TDS Waterproof. EC - PenType Meter 01999us/cm. EC - PenType Waterproof ms/cm. EC -PenType Meter 019.99ms/cm.
EC/ PPM /CF - Nutra-Wand Stick. TDS - Monitor + Power Adaptor. TDS - PenType Meter 0-1999ppm. Face & Skin Moisture Analyzer. Set A (3 items /set).
Set C (3 items /set). Set D (4 items /set). Set E (9 items /set). Set F (7 items /set).
Set N (9 items /set). Set P (8 items /set). Gem Tools / Testing Kits.3-in-1 (ORP/ PH / Temperature). ORP Meter + Power Adaptor. PH & PH/ORP(2 in 1) Controller. Water Quality Tester & Meter. 3-in-1 ORP(MV) + PH + Temp. Handheld pH Meter + Temp. Pen Type pH Meter + solutions. PH + Adaptor + Electrode (NEW).
PH + FixedElectrode + solution. PH meter + Electrode +Solution.
PH Electrode + 1 meter Cable. PH Electrode + 3 meter Cable. PH Meter + TDS (2-in-1).Soil pH Meter (long Electrode). Soil pH Meter(Short Electrode). Waterproof Pen Type pH Meter. AL 0-25/Brix 0-40 Grape Wine.
Antifreeze / Battery / Fluid. Beer / Wort / 0-32% Brix.
Brix 0-10% ATC (Low Sugar, CNC). Brix 0-18% ATC (Low Sugar, CNC). Brix 0-32% ATC (Sugar etc). Clinical / Serum / Protein. AL 0-25 / Brix 0-40 Grape Wine.
80 LED - 70 mm. 144 LED - 61mm 4 Zone Control.
Sound & Temp / Moisture Meter. 4 PIN Wood Moisture Meter. Two K-Type w/ 2 Thermocouples.
You will receive our newsletter once a week. Gem Refractometer Gemological Gemstone Built-in LED Light Source + RI Oil, Black. Gemstone Refractometer, is the primary and most powerful tool in identify and authenticate polished precious and semi-precious gemstones and observing the optical properties and the structure of gemstones.This model is just as good as the expensive models used in gemological institutes. With the aid of Contact liquid (RI Fluid), that will create an optical contact between the glass and the gemstone, you can measure or test the Refractive Index of faceted stones, transparency or opacity, and its beauty, durability and scarcity. Through these parameters, you can determine whether the gem is a Single Refraction (Isotropic) or Double Refraction (Anisotropic or Birefringence). HEAVY-DUTY and Built to last. Provides three (3) 1.5V button type batteries. Convenient & easy to carry. With built-in Light Source that makes it a carry-and-use-it-anywhere device. Comes with Automatic Temperature Compensation (ATC) that let itself adjust to the climate. A bottle of Refractive Index Fluid is provided. Approved by strict quality and safety standards. Undoubtedly durable, very reliable and assures accurate testing results.
Comes with batteries, soft carrying bag, polarizing filter, index oil, index reference list and user's manual. Measuring Range : 1.30 - 1.81 RI. Minimum Graduation : (RI) 0.01 RI.
Illumination : Internal Light Source with momentary/power switch. Dimension : 35mm x 63mm x 115mm. Scale Division : 0.01 nD.
Ranges of Application : Laboratory, Gemology. Power Source : 3 x AG13 1.5V button batteries. 1 x FREE bottle of 1.800 Refractive Index Oil. 3 x FREE 1.55V AG13 Batteries.
1 x FREE Refractometer Index Reference List For 77 common gemstones, i. 1.30 1.81 RI.Internal Light Source with momentary/power switch. 35mm x 63mm x 115mm. We may ask you to return the item and offer you a brand-new one as replacement. We are also happy to offer personalized discounts for larger orders. The item "Gem Refractometer Gemological Gemstone Built-in LED Light Source + RI Oil, Black" is in sale since Thursday, December 8, 2016.
This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Other Jewelry Tools". The seller is "gainexpress" and is located in HK. This item can be shipped worldwide.