Description

Portable With Monochromatic Light Filter Gemological Testing Instrument Gem Refractometer

 

Specification:

 

Testing range	1.35-1.85
Accuracy	±0.003
Power	AAA batteries or 3V DC
Color	Black
Testing table	Frosted aluminum alloy table
Light	Monochromatic LED light
Weight	1KG
Size	120mm*42mm*80mm
Testing prism	Synthetic cubic zirconia
Power supply	Two No. 7 batteries or externally connected
Wide voltage	Input voltage 100V-240V, output voltage DC 3V
Eyepiece	Diameter of 32mm, with amplification function(4X)
Prism size	14mm×5mm
Metal table size	37mm×68mm
Minimum scale	0.01
Warranty	One year
Package	One set in a gift color box

 

 

 

Professional optical design, shadow boundary super straight and clear; Frosted Aluminum alloy table, corrosion resistant, easy to clean;Built-in quasi-monochromatic LED light source;

 

With a bottle of 2ml  refractive index Liquid (1.78±0.005), can placed in the slot of the refractometer lid, unique design of the bottle, overcome the traditional oil bottle is fragile, easy to spill, difficult to control the drop and other defects, use more safe, economic, convenient;

 

With a polariscope,polariscope can be stuck in the special bracket at side of the refractometer,effectivetly avoid the loss of polariscope,easy to carry.

 

Test conditions: Temperature: room temperature: 5-35℃, humidity: ≤75%, no acid, alkali and other corrosive gases in the room;