Ultimate Functionality
Unsurpassed Quality
Seamless Usability

MASTER
MASTER

Hand-Held Refractometer

MASTER™
series

PAT# 4653148, 1255763, 1255764
1255765, 1255766, 1255767, 1356117
US PAT# 7,369,221 B2, US D554,549 S
EUIPO 000379326-0001/0002
SDGs
The Good Design Award is the only comprehensive design evaluation and encouragement in Japan that inherits the Good Design Selection System established by the Ministry of International Trade and Industry in 1957 and operates as a project sponsored by the Japan Institute of Design Promotion since 1998. It is a system.

Durability

Visibility

Measurement Method

Contamination free

Lineup

Applications

Function and Design

Social trust

Automatic temperature compensation

Water resistsnt

User Testimonials

Repair / support

Reason to choose MASTER series


Water resistant(α & H series)

Water resistant

"Washable". A special design concept for analog type measuring instruments. It is a new mechanism that can be washed even under running water after measurement.

Visibility

Visibility

The readability of measured values is the "lifeline" for hand-held refractometer.Not only the brightness of the entire field of view, but also the clarity of the boundaries represents the basis of the optical technology that ATAGO has reached.

Contamination free

Contamination free

Uses a smooth grip with no irregularities. The carbon-like design contributes to both cleanliness and playfulness.

ATC Temperature compensation(α・H・T series)

The measured value are automatically corrected according to the environment. We have thoroughly improved the structure and arrived at a mechanism, patented that is not found anywhere else.

Durability

Cleared all tests of waterproof, dustproof and droptest.
Water was sprayed from four directions, dropped on oak sleepers from a height of 1 m, and loaded in the cargo compartment of an airplane, and passed all durability tests.

Design

Waterproof, Visibility, Contamination-free, ATC, Durability, ASD. The harmonious design has won numerous awards such as the Good Design Award and the Invention Award.

After-sales support

We are building a close network with our service centers in all over the world.In addition to repairs, we also provide support such as tips on measurement methods.

ATAGO's Social trust

A history of over 70 years has steadily built up social trust. Its roots are deep and wide, and it has been exported to more than 154 countries.

PRODUCT LINEUP

List of MASTER series
Category Suitable samples Measurement range
Sample
Material Feature Model Suitable digital models
Standard Softdrink, Milk, Fruits & Vegetables, Kechup, Soysauce, Cutting oil ,Cleaning Agent etc Brix 0-53% Metal α MASTER-53 α PAL-1
T MASTER-53T
M MASTER-53M
S MASTER-53S PAL-S
PBT α MASTER-53P α PAL-1
T MASTER-53PT
M MASTER-53PM
Measure low-concentration more precisely Softdrink, Soup, Fruits & Vegetables, Cutting oil ,Cleaning Agent etc Brix 0-33% Metal α MASTER-α PAL-1
T MASTER-T
M MASTER-M
PBT α MASTER-Pα
T MASTER-PT
M MASTER-PM
Brix 0-20% Metal α MASTER-20 α
T MASTER-20T
M MASTER-20M
PBT α MASTER-20P α
T MASTER-20PT
M MASTER-20PM
Brix 0-10% Metal α MASTER-10 α
T MASTER-10T
M MASTER-10M
PBT α MASTER-10P α
T MASTER-10PT
M MASTER-10PM
Heat Resistance All samples Brix 0-90% Metal α MASTER-500 PAL-H
Condiments, Soup Brix 0-50% Metal α MASTER-50H
Jam, Honey, Syrup, Bean paste, Chokolate, Caramel, Butter, Edible oil etc Brix 30-80% Metal α MASTER-80H
Brix 45-93% Metal α MASTER-93H
Brix 60-100% Metal α MASTER-100H
Special scales
Category Suitable samples Measurement range
Sample
Material Feature Model Suitable digital models
Special scales Refractive Index RI 1.435-1.520 Metal M MASTER-RI PAL-RI
Vegetables Brix 0.0-53.0% Metal M MASTER-AGRI
PAL-1
Seawater Salinity: 0-100%
SG 1.000-1.070
PBT α MASTER-S/Mill α PAL-06S
PAL-07S
M MASTER-S/Mill M
Brix + Brix + Saline Brix 0.0-33.0%
Saline 0.0-28.0 g/100g
PBT M MASTER-BX/S28M PAL-1
PAL-03S
Saline 0-10% Saline 0.0-10.0 g/100g PBT α MASTER-S10 α PAL-03S
M MASTER-S10M
Saline 0-28% Saline 0.0-28.0 g/100g α MASTER-S28 α
M MASTER-S28M
Honey (Moisture & Brix) Brix 58.0-90.0%
Honey moisture 12.0-30.0%
PBT α MASTER-HONEY/BX
PAL-22S
Ramen Brix 0-33.0%
Kansui Baume 0.0-10.0
PBT α MASTER-Ramen α PAL-96S
Ramen Meister Set
M MASTER-Ramen M
Soymilk Solid soybean content 0.0-20.0%
Magnesium chloride 0.0-12.0%
PBT α MASTER-Soy Milkα PAL-27S
M MASTER-Soy MilkM
Coolant
Concentration & Freezing temperature for PG/EG
PG/EG: 0-70%
Freezing temperature 0 to minus 50℃
PBT M MASTER-BR PAL-88S
PAL-91S
Coolant
Bettery fluid・Freezing temperature for PG/EG
Freezing temperature
0 to minus 50℃
Battery fluid
1.150-1.300
M MASTER-BC  
Urine Specific Gravity Urine S.G 1.000-1.050
Refrative index
1.333 - 1.356
PBT α MASTER-URC/Nα PAL-10S
M MASTER-URC/NM
Urine Specific Gravity + Serum Protein Urine S.G 1.000-1.060
Serum Protein 0.0-12.0 g/100mL
Refractive Index (nD) 1.3330-1.3660
PBT α MASTER-SUR/Nα PAL-10S
PAL-11S
M MASTER-SUR/NM
Animal Urine Specific Gravity Urine.S.G.(Dog) 1.000-1.060
Urine.S.G.(Cat) 1.000-1.080
Serum Protein scale 0.0-14.0 g/100mL
PBT α MASTER-VET PAL-DOG&CAT
PAL-DOG
PAL-CAT
PAL-Rabbit
Wine T.A. 0.0-25.0%
Brix 0.0-40.0%
Metal α MASTER-TA PAL-79S
Oe 0.0-25.0%
Brix 0.0-40.0%
Metal α MASTER-OE PAL-87S
Oe(GER) 30-170°
Brix 0.0-40.0%
Metal α MASTER-GOE PAL-86S
KMW 0-27.0°
Brix 0.0-33.0%
Metal α MASTER-KMW PAL-83S
Baume 0-21.0°
Brix 0.0-40.0%
Metal α MASTER-BAUME PAL-84S

【MASTER】Applications

Food
Always have a constant taste!

Seasoning / soy sauce / sauce / soy milk / Sauce / jam / honey / bean paste syrup / oil / fat etc.

Beverage
Active in quality stability!!

Fruit drink / soft drink Carbonated drinks

Eating out When stewed To check the end point!

Ramen soup / Mentsuyu Sauce / bowl sauce, etc.

Agriculture
To determine the harvest time!

Fruit / vegetable / leaf juice Stem juice / root juice

Salt
Pickling liquid and seawater For concentration check!

Saline / seawater / pickle preparation liquid

Metal Processing
Of cutting oil For concentration control!

Saline / seawater / pickle preparation liquid

Chemical
Of various solutions For refractive index management!

Cleaning solution / antifreeze solution / brine solution Snow melting agent / cosmetics

Medical
Urine specific gravity, serum protein For inspection!

Urine / serum
※There is also a scale for clinical use.

Function and Design

Body

Scale example

Measurement Method

【MASTER】User Testimonials

URC(THAILAND)

MASTER-93

MASTER-53M

NOVA ORGANICA

MASTER-80H

Grind House Knives

MASTER-M

Poe’me

For thorough quality control MASTER-80H

KIKYOUYA Co., Ltd

MASTER-53M、NSeries

TORAYA Corporation

Resurrected handheld refractometer HSR-4

Lotte Foods India Pvt. Ltd.

NAR-3T/PAL/MASTER

KOKUBUSHUZO

For measuring the sugar content of moromi

Matsuoka Suisan

A taste that boasts a history of over 100 years MASTER-S10α

Kannana Ramen Teraccho

For a simple soup MASTER-RAMENα

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