• Abbemat Heavy Duty
  • Abbemat Heavy Duty sample cell with filling funnel
  • Abbemat T-Check
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Digital heavy duty refractometer:

  • The robust design allows precise refractive index (+/-0.0001 nD) and concentration measurement in harsh environments
  • Waterproof measuring unit (IP68) to withstand high amounts of spilled liquids
  • For routine quality control under conditions where others fail
  • Highly precise refractive index (+/-0.00002 nD) and concentration measurement in harsh environments
  • Waterproof measuring unit (IP68) to withstand high amounts of spilled liquids
  • The ideal tool for demanding quality control and R&D applications
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The refractometers of the Heavy Duty line are designed for measuring the refractive index under harsh environments and in special applications. To withstand rough conditions they have a hermetically sealed aluminum casing.

The Abbemat 450/650 refractometers are extremely robust and waterproof (IP68). To measure samples containing solid particles or air bubbles you can position the Heavy Duty Abbemat on its side to prevent that sedimentation and disturbances affect the results. A separate control unit allows for convenient operation from a remote position.

Key features

Unique performance – reliable results within seconds

Unique performance – reliable results within seconds

Highest analytical performance and stability guarantees accuracy into the 5th digit.

  • Widest temperature control range in its class with 4 °C to 125 °C
  • Stable temperature within a few moments
  • Modularity with other Anton Paar instruments, e.g. density meter and viscometer
Measures when others fail

Measures when others fail

The Abbemat Heavy Duty Line withstands the roughest operating conditions.

  • Measurement unit in a water-proof anodized aluminum housing (IP68)
  • Remote operation, e.g. under fume hood by separated measurement and control unit
  • Stainless steel or Hastelloy B3 sample well to withstand the most aggressive chemicals
Ideal solution for quality control and concentration measurement

Ideal solution for quality control and concentration measurement

The Abbemat Heavy Duty line consists of your high-end instruments for concentration measurement of your binary solution. Anton Paar offers the easiest quality control possible. Over 200 available methods from acids to Zeiss guarantee access to the concentration of common substances.

  • Refractive index
  • Pharma (methods acc. to Ph. EU / US / JP)
  • Food (e.g. Brix, sucrose, glucose, iodine value)
  • Beverage (e.g. Brix, invert sugar, sucrose, Zeiss)
  • Chemicals (e.g. sodium hydroxide, sulfuric acid)
Integrity by design

Integrity by design

The Abbemat line is the gold standard for refractometers regarding data integrity and compliance in regulated environments.

The software fully supports the requirements of the pharmaceutical industry, including GMP, 21 CFR Part 11, GAMP 5, USP, and international pharmacopeia (e.g. Ph. Eur., JP). User management, audit trail, check and adjustment history, and electronic signature are just a few examples of the powerful pharma-compliant configuration possibilities of the Abbemat line. To minimize the time it takes to integrate your new Abbemat into your workflow, Anton Paar offers a Pharma Qualification Package.

Additionally, Anton Paar provides attractive data management solutions for the Abbemat Heavy Duty line to guarantee highest data integrity.

Technical specifications

Measuring range Abbemat 450 Abbemat 650
Refractive index [nD] 1.26 - 1.72 1.26 - 1.72
Brix [%] 0 - 100 0 - 100
Temperature [°C] 4 2) - 125 4 2) - 125
Refractive Index [nD] ± 0.00001 ± 0.000001
Brix [%] 0.01 0.001
Temperature [°C] 0.01 0.01
Accuracy 1)
Refractive index [nD] ± 0.0001 ± 0.00002
Repeatability [nD] ± 0.0001 ± 0.000002
Brix [%] ± 0.05 ± 0.015
Temperature [°C] ± 0.05 ± 0.03
Temperatur stability [°C] ± 0.002 ± 0.002
Additional Information
Prism material Synthetic sapphire YAG (Yttrium-Aluminium-Garnet)
Light source LED, average life: >100,000 h
Wavelength 589.3 ± 0.1 nm (Sodium D)
Minimum sample amount approx. 0.2 mL
Measuring time per sample 5 seconds (after temp. equilibration)
Temperature control speed 20 seconds (0.5 mL water to 20.00°C at lab conditions)
  • RS-232 (PC)
  • Ethernet
  • VGA
Methods for  
  • Sugar
  • Chemistry
  • Food and Beverage
  • Pharmaceutics
  • Flavor and Fragrances
  • Medicine
  • Petroleum
In close cooperation with our customers, Anton Paar continously collects and develops new methods and applications. Please contact us for an updated method list.
  • One point calibration
  • Two point calibration
Wetted parts Synthetic sapphire, FFKM, PPS-GF40, PTFE/ETFE, silicone, anodized aluminum
User interface Separate control unit

Control unit:

  • Width: 220 mm (8.66 in)
  • Height: 100 mm (3.94 in)
  • Depth: 295 mm (11.61 in)

Measuring unit:

  • Width: 200 mm (7.87 in)
  • Height: 135 mm (5.31 in)
  • Depth: 200 mm (7.87 in)

Control unit: 2.4 kg (5.29 lb)

Measuring unit: 6.1 kg (13.45 lb)

1)  valid at refractometric standard conditions (T = 20 °C, λ = 589 nm, ambient temperature = 23 °C)
2) maximum ambient temperature 30 °C



AOAC 898.02
AOAC 898.02
AOAC 905.01
AOAC 920.78
AOAC 920.141
AOAC 920.141
AOAC 921.08
AOAC 921.08
AOAC 932.12
AOAC 932.14, Section C
AOAC 940.09
AOAC 943.05
AOAC 945.102
AOAC 948.10
AOAC 950.04
AOAC 950.13
AOAC 953.16
AOAC 969.18
AOAC 969.38
AOAC 970.15
AOAC 970.59
AOAC 976.20
AOAC 983.01
AOAC 983.17
AOAC 2000.19
ASTM D1218
ASTM D1747
ASTM D3321
ASTM D4095
ASTM D4542
ASTM D5006


DIN 51423


ISI 06-1e


OIML R 108
OIV MA-AS312-01B


Ph. Eur. 2.2.6 - Refractive index


USP 831 - Refractive index

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