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 MR Series Mini Waterproof Digital Refractometer
 
MR series Pocket Digital Refractometer is a portable micro-processed optical instrument that measuring refractive index and brix of the liquids. It has a user friendly operation method and display surface. In a comparison with the traditional analogue hand refractometer, it provides a fast, accurate and clear reading that with ATC (automatic temperature compensation).
Features
1.       Automatic Temperature Compensation ( ATC ).           
2.       All series of zero calibration function with distilled water.  
3.       Automatic shut off after 30 seconds 
4.       Instantaneous reading
5.       Stainless steel sample plate
6.       Operation humidity: lower than 90%.
7.       Operation sea level: lower than 2000m.
8.       Operation temperature:0 ℃ (32 ℉) - 40 ℃ (104 ℉). 
9.       Storage temperature: -10℃ (14 ℉) - 50℃ (122 ℉)
10.    Power supply: a 1.5V Alkaline Battery    
11.    Operating time: more than 8000 times per battery.
12.    Weight: 130 g  Dimensions:118mm×62mm×32mm
 
Models and specifications
Applications: Brix, Salilinity,Honey, Wine, Clincial
  Model Scale Name Range Division Accuracy
Brix% MR-50 Brix 0.0-50.0% 0.10% ±0.2%
Refractive  Index 1.3330-1.4200nD 0.0001nD ±0.0003nD
MR-90 Brix 0.0-90.0% 0.10% ±0.2%
Refractive ndex 1.3330-1.5177nD 0.0001nD ±0.0003nD
MR-60 Dextran 0.0--10.6% 0.10% ±0.2%
Fructose 0.0--68.9% 0.10% ±0.2%
Glucose 0.0--59.9% 0.10% ±0.2%
Lactose 0.0--16.5% 0.10% ±0.2%
Maltose 0.0--15.60% 0.10% ±0.2%
Refractive Index 1.3330--1.5177nD 0.0001nD ±0.0003nD
Salinity MR-10                                   (sodium chloride (NaCl) salinity 0.0--28.0% 0.10% ±0.2%
salinity 0--280‰ 1‰ ±2‰
specific gravity 1.000-1.217 0.001 ±0.002
Refractive Index 1.3330--1.4200nD 0.0001nD ±0.0003nD
MR20                                             (sea water) salinity 0--100‰ 1‰ ±2‰
chlorinity 0--57‰ 1‰ ±2‰
specific gravity 1.000-1.070 0.001 ±0.002
Refractive Index 1.3330--1.4200nD 0.0001nD ±0.0003nD
Honey MR-80 Brix 0.0--90.0% 0.10% ±0.2%
Water 38.0%-5.0% 0.10% ±0.2%
Be' 33.0-48.0 0.1 ±0.2
Refractive Index 1.3330--1.5177nD 0.0001nD ±0.0003nD
Wine MR-100 Brix% 0.0-50.0% 0.10% ±0.2%
%VOL ap 0.0-22.0% 0.10% ±0.2%
Oe 0-150 1 ±2%
KMW 0.0-25.0 0.1 ±0.2
Clinical MR-110 URINE
 SP. G.
1.000-1.050 0.001 ±0.002
SERUM P. -0.1--12.0 0.1 ±0.2
Refractive  Index 1.3330--1.4200nD 0.0001nD ±0.0003nD
 
 
Application: Automotive Multi-Fluids :Battery Acid/Coolant/Cleaner/ADBlue (DEF)
 
Model Scale Name Range Division Accuracy
MR-45
Auto Multi-Fluids Tester
Testing :
?   Battery Acid
?   Coolant
?   Cleaner
?   ADBlue (DEF)
Cleaner (0)―(-60)℃    0.1℃ ±0.5℃
Ethylene Glycol  (0)―(-60)℃    0.1℃ ±0.5℃
Propylene Glycol  (0)―(-70)℃    0.1℃ ±0.5℃
Battery 1.000―1.500sg  0.001 ±0.005sg
Urea (NH2)2C0 0-51.0%  0.1% ±0.2%
MR-48
Adblue  (DEF) Urea
Tester with battery testing
Urea (NH2)2C0 0-51.0%  0.1% ±0.3%
Refractive Index 1.3330--1.4200nD 0.0001nD ±0.0003nD
Battery 1.000―1.500sg  0.001 ±0.005sg
MR-46
Engine Coolant Tester
Ethylene Glycol (w/w) 0-60% 0.10% ±0.5%
Ethylene Glycol (℃ ) (0)―(-60)℃    0.1℃ ±0.5℃
Propylene Glycol (w/w) 0-70% 0.10% ±0.5%
Propylene Glycol (℃ ) (0)―(-70)℃    0.1℃ ±0.5℃
MR-47                       Brake Fluid Tester DOT3 (121)―(260)℃    1℃ ±10℃
DOT3 HT(NOT AVAILABLE ) (121)―(299)℃    1℃ ±10℃
DOT4 (125)―(275)℃    1℃ ±10℃