using a refractometer

Brand Name:Yieryi

Model Number:MS-W

Place of Origin:China

Yieryi MS-W Digital Sawdust Bamboo Powder Moisture Meter Tester High precision Features: It is portable, compact, easy to use and the moisture measurement readings are instant. Digital display with back light gives exact and clearly reading although you ...

Brand Name:Yieryi

Model Number:DM300S

Place of Origin:China

Yieryi portable coal moisture meter measures coal moisture multi position DM300S hygrometer Features: It is portable, compact, easy to use and the moisture measurement readings are instant. Digital display with back light gives exact and clearly reading...

Brand Name:YIERYI

Model Number:MS350

Place of Origin:China

Yieryi 0-80% MS350 Portable Digital Capacitive Chemical raw materials Moisture Meter Features: It is portable, compact, easy to use and the moisture measurement readings are instant. 2 Digital display with back light gives exact and clearly reading alt...

Brand Name:YIERYI

Model Number:DM300C

Place of Origin:China

Yieryi DM300C Chemical Moisture Meter for Combination Powder Coal Powder And Powder Materials Features: 1. It is portable, compact, easy to use and the moisture measurement readings are instant. 2. Digital display with back light gives exact and clearly ...

Brand Name:YIERYI

Model Number:DM300F

Place of Origin:China

Yieryi DM300F Moisture Meter For Chemical Raw Material Ceramic Powder Refractory Powder It is portable, compact, easy to use and the moisture measurement readings are instant. Digital display with back light gives exact and clearly reading although you ...

Brand Name:YIERYI

Model Number:MS350A

Place of Origin:China

yieryi MS350A moisture meter for soil silver sand chemical combination powder Features: 1.1. It is portable, compact, easy to use and the moisture measurement readings are instant. 1.2. Digital display with back light gives exact and clearly reading alt...

Brand Name:YIERYI

Model Number:DM300L

Place of Origin:China

Yieryi DM300LSoil Moisture Meter Sand Moisture Meter Coal Powder Moisture Meter Tester Features: It is portable, compact, easy to use and the moisture measurement readings are instant. Digital display with back light gives exact and clearly reading alt...

Brand Name:YIERYI

Model Number:MS360

Place of Origin:China

Yieryi MS360 Hygrometer double function moisture meter for wood paper bamboo products Features: 1.1.It is portable, compact, easy to use and the moisture measurement readings are instant. 1.2.Digital display with back light gives exact and clearly reading...

Brand Name:KESHILONG

Model Number:GD9012

Place of Origin:CHINA

66 Vision Slit Lamp Galileo magnification changer with converging Pupilary 55~82mm Halogen Bulb Two Magnifications * Feature 1. Advanced converging stereoscopic microscope. 2. 14mm Aperture provides broader and clearer field of view. 3. Compact and ...

Brand Name:KESHILONG

Model Number:GD9105

Place of Origin:CHINA

Portable Slit Lamp ML-5S1 Alu-Alloy Carrying Case, with black and white colors Objective Lens: 1X Portable Digital Slit Lamp Microscope is produced with high illumination white LED, and can be used about 5 to 6 hours continuously after fully recharged. The...

Brand Name:KESHILONG

Model Number:GD3705

Place of Origin:China

... use . 2. It is equipped with sound water-proof system. Specifications: Dimensions 150Z*82*50mm Weight 1.2kg Power requirement 110v/220v,60hz/50hz,AC120W Details: Product & Service Products: Ophthalmic Instruments: Auto Refractometer, Phoropter, Auto Projector, PD...

Brand Name:KESHILONG

Model Number:GD3705A

Place of Origin:China

... effect, small volume, large power, easy use . 2. It is equipped with sound water-proof system. Details: Product & Service Products: Ophthalmic Instruments: Auto Refractometer, Phoropter, Auto Projector, PD Meter, Trial Lens Set, LCD Vision ...

Brand Name:Keshilong

Model Number:GD1307

Place of Origin:China

... For Optometrist Use Feature: 1. Power marks printed on the lens's surface 2. Diopter Options: -0.25,-0.50,-1.00 Metarial wooden Case wooden Lens Green Red Maddox Lenses Product & Service Products: Ophthalmic Instruments: Auto Refractometer, Phoropter, ...

Brand Name:Keshilong

Model Number:GD1502HV

Place of Origin:China

...Use Feature: 1. Power marks printed on the lens's surface 2. Diopter Options: 1D~12D Metarial Plastic Case wooden Vertical diopter 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12 (total 11 diopters). Horizontal diopter: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12 (total 11 diopters). Product & Service Products: Ophthalmic Instruments: Auto Refractometer, ...

Brand Name:KESHILONG

Model Number:GD8403B

Place of Origin:China

...Weight: 0.8kg Date Display Range: Binoculus PD 44-83mm Useful Range: Binoculus PD 22-41.5 Auto-power off: 1 minute Power: DC 6V Product & Service Products: Ophthalmic Instruments: Auto Refractometer, Phoropter, Auto Projector, PD Meter, Trial Lens Set, LCD

Brand Name:Fable

Model Number:FID-1A

Place of Origin:Guangdong, China

...a regular test instrument which special used to observe the polychroism of gem.In some cases Polychroism is the foundation to judge the gem, especially when the Refractometer, Polariscope and other instruments can't judge the color gem is Homogeneous mass...