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Analogue Refractometer & Bag

Brand: Kern
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img-hr-ora-b1.png img-hr-oraE-a.png img-hr-oraE-b2.png img-hr-oraE-b3.png img-hr-oraE-b1.png Screenshot 2022-11-22 145611.png Screenshot 2022-11-22 145630.png Screenshot 2022-11-22 145617.png Screenshot 2022-11-22 145624.png
Area of Application: Sugar

The ORA-B models are particularly suitable for measuring the Brix value. 

These mean that you can determine the sugar content in foods, primarily in fruit, vegetables, juice and drinks which contain sugar. 

This refractometer also is ideal for the monitoring of processes in industry (coolant monitoring, oils and fats).

Area of Application: Honey

The ORA-H models are particularly suitable for measuring the Brix value, the water content in honey and the Baumé degree (°Bé) to determine the relative density of liquids

Area of Application: Salt

The ORA-S models are particularly suitable for measuring and dosing of sodium chloride in water (salinity) and the content of NaCl (salt) in water.

This is often used in the production and cooking of sauces, brines for pastries, the production of brines (e.g. brine-matured cheese), marinades for meat and the preparation of seafood.

Area of Application: Wine

The ORA-W models are particularly suitable for measuring the sugar content in fruit. 

This is used to determine what alcohol content is to be expected from the fruit. You can also determine the degree of ripeness of fruit (fruit sugar), e.g. grapes etc.

Area of Application: Urine

The ORA-P models are particularly suitable for measuring specific urine weight (density), the serum content (serum protein in urine) and the refraction index.

Area of Application: Industry/Motor Vehicle Industry

The ORA-U models are particularly suitable for measuring and determining AdBlue, glycol concentration (ethylene: EG and propylene: PG), of battery fluid (BF), urea and measuring the freezing point of screen wash (CW).

Furthermore, these models are suitable for measuring temperature-exchange systems.

Area of Application: Expert Applications

The ORA-E models have a particularly large measuring range for the refraction index and large divided scales for measuring Brix values.

Area of Application: Beer/Alcohol

The ORA-AL models are particularly suitable for determining the sugar content of the original wort in its unfermented state.

The value can be read straightaway, without having to be converted, using the SG Wort and Degrees Plato scales.

In addition, the percent by volume and percent by mass scales can be used to determine the alcohol content of clear spirits
Features
  • The models in the KERN ORA range are universal, maintenance-free analogue manual refractometers
  • The practical and robust design means that it can be used simply, efficiently and on a permanent basis, day in day out
  • The manual effort to convert the value is avoided by the use of several selectable scales and thereby eliminates user error
  • These scales have been specially developed, calculated precisely and checked. Another key feature is the very thin, clear lines
  • The optical system and the prism cover are made from special materials, which enable you to measure with low tolerances
  • All models are fitted with an eyepiece which can be adjusted easily and smoothly to different visual capacities
  • The models which are marked "ATC" have automatic temperature compensation, which makes it possible to obtain precise measurements at different environmental temperatures
  • All models are fitted with an eyepiece which can be adjusted easily and smoothly to different visual capacities
  • Included in the scope of supply:
    • Storage box
    • Calibration solution
    • if necessary, calibration block
    • Pipette
    • Screwdriver
    • Cleaning cloth
  • Further accessories are available as options

1 - 12 of 47 Part Numbers
ORA 10BA
ORA 10BA
Refractometer Analog (ATC)
  • Scale: Brix
  • Measuring Capacity: 0 - 10 %
  • Division: 0.1 %
  • Automatic Temperature Compensation (ATC): Yes
ORA 10BB
ORA 10BB
Refractometer Analog
  • Scale: Brix
  • Measuring Capacity: 0 - 10 %
  • Division: 0.1 %
  • Automatic Temperature Compensation (ATC): No
ORA 18BB
ORA 18BB
Refractometer Analog
  • Scale: Brix
  • Measuring Capacity: 0 - 18 %
  • Division: 0.1 %
  • Automatic Temperature Compensation (ATC): No
ORA 1AB
ORA 1AB
Refractometer Analog
  • Scales: Volume Percent
  • Measuring Capacity:  0%(v/v) - 50 %(v/v)  |  50 %(v/v) - 80 %(v/v)
  • Division:  1 %(v/v)  |  2.5 %(v/v)
  • Automatic Temperature Compensation (ATC): No
ORA 1RE
ORA 1RE
Refractometer Analog
  • Scales: Refractive Index
  • Measuring Capacity: 1.333 nD - 1.405 nD  |  1.405 nD - 1.468 nD  |  1.468 nD - 1.517 nD
  • Division: 0.005 nD  |  0.005 nD  |  0.005 nD
  • Automatic Temperature Compensation (ATC): No
ORA 1SA
ORA 1SA
Refractometer Analog (ATC)
  • Scales: Specific Gravity  | Salinity
  • Measuring Capacity:  1.000 sg - 1.070 sg |  0 ‰ - 100 ‰
  • Division:  0.001 sg  |  1 ‰
  • Automatic Temperature Compensation (ATC): No
ORA 1SB
ORA 1SB
Refractometer Analog
  • Scales: Specific Gravity  | Salinity
  • Measuring Capacity:  1.000 sg - 1.070 sg |  0 ‰ - 100 ‰
  • Division:  0.001 sg  |  1 ‰
  • Automatic Temperature Compensation (ATC): No
ORA 1UA
ORA 1UA
Refractometer Analog (ATC)
  • Scales: Urea
  • Measuring Capacity: 0% - 40%
  • Division: 0.2%
  • Automatic Temperature Compensation (ATC): Yes
ORA 1UB
ORA 1UB
Refractometer Analog
  • Scales: Urea
  • Measuring Capacity: 0% - 40%
  • Division: 0.2%
  • Automatic Temperature Compensation (ATC): No
ORA 1WA
ORA 1WA
Refractometer Analog (ATC)
  • Scales: Brix  | Oechsle  |  KMW (Babo)
  • Measuring Capacity:  0% - 32%  |  0 °Oe - 140 °Oe  |  0 °KMW - 25 °KMW
  • Division:  0.2 %  |  1 °Oe  |  0.25 °KMW
  • Automatic Temperature Compensation (ATC): Yes
ORA 1WB
ORA 1WB
Refractometer Analog
  • Scales: Brix  | Oechsle  |  KMW (Babo)
  • Measuring Capacity:  0% - 32%  |  0 °Oe - 140 °Oe  |  0 °KMW - 25 °KMW
  • Division:  0.2 %  |  1 °Oe  |  0.25 °KMW
  • Automatic Temperature Compensation (ATC): No
ORA 20BA
ORA 20BA
Refractometer Analog (ATC)
  • Scale: Brix
  • Measuring Capacity: 0 - 20 %
  • Division: 0.1 %
  • Automatic Temperature Compensation (ATC): Yes
1 - 12 of 47 Part Numbers

Specifications

Brand

Scales

  • Brix
  • Baumé
  • Water Content
  • Specific Gravity
  • Salinity
  • Salt (NaCl)
  • Oechsle
  • KMW (Babo)
  • Volume percent
  • Mass percentage
  • Refractive Index
  • Urine (Specific Gravity)
  • Serum Proteine
  • EG, PG, CW, BF, Urea
  • Stammwürze (Bier)
  • Plato

Automatic Temperature Compensation - ATC

  • Yes or No

  • ORA-B Analogue Refractometer
    • Industry: Process and Quality Control, Lubricant Control
    • Food Processing Industry: Drinks, Fruit, Sweets
    • Agriculture: Determining the Degree of Ripeness of Fruit for Quality Control during the Harvest
    • Restaurants and Industrial Kitchens
  • ORA-H Analogue Refractometer
    • Beekeeping
    • Honey Production
  • ORA-S Analogue Refractometer
    • Food Processing Industry
    • Restaurants and Industrial Kitchens
    • Aquatics Industry: Marine Water and Sea Water Aquarists/Fish Farmers
  • ORA-W Analogue Refractometer
    • Agriculture: Wine and Fruit Cultivation
    • Wine Production
    • Must and Alcohol Production
  • ORA-P Analogue Refractometer
    • Hospitals
    • Doctor's Surgeries
    • Medical Training Institutions
    • Care Homes and Nursing Homes
    • Sports Medicine (Drug Testing)
    • Vets
  • ORA-U Analogue Refractometer
    • Motor Vehicle Industry
    • Chemical Industry
    • Solar Industry (Checking Frost Protection)
    • Geothermal Power (Measuring Brine Concentration with Geothermal Energy)
    • Forestry Management
  • ORA-E Analogue Refractometer
    • Universal Field of Application, Primarily for Applications which Require an Extra Large Measuring Range
  • ORA-AL Analogue Refractometer
    • Alcohol Production
    • Beer Brewers

Documentation

Brochures

Manuals

MSDS

Scale Images

Technical Datasheets

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