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AR 200 Digital Hand Held Refractometer

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Benchtop precision and accuracy in a portable instrument

  • Automatic Temperature Equilibration
  • Automatic Temperature Compensation
  • Multi-Point calibration
  • User programmable scales
  • CE Approved

State-of-the-art Leica AR 200 portable automatic digital regractometer measures refractive index or % solids as brix over the full range of 1.3300-1.5600 nD and 0-95% Brix. Its 3600 cell linear-scanned array imaging achieves accuracy to ±0.0001 nD or ±0.1% Brix- comparable to most benchtop instruments. Prism temperature sensors and automatic compensations enhances accuracy. Simple to use- choose reading mode, apply sample sufficient to cover the prism surface and press read. Fully automatic reading eliminates operator interpretation.

Optional AR200 software (8045D44) includes single or multi-point (up to 5) calibration, 4 reading modes (nD, temperature compensated nD, Brix, temperature compensated Brix) and adjustable contrast control. An optional IR link-up package lets you take advantage of additional features such as stored data retrieval of up to 225 readings and programming of up to three user-defined channels. Hundreds of custom channels for use in beverage, chemical and agricultural industries are available.

Optics and sensing element are mounted on a fully-sealed, ruggedly constructed, diecast frame in a molded, completely sealed housing that provides maximum environmental protection and chemical resistance.

Model13950000 AR200
RangeRefractive Index Scale 1.3300 to 1.5600, Brix Scale 0-95%
Readability0.0001 Refractive Index Units, 0.1% Solids (Brix)
Accuracy±0.0001 nD (0.1% Brix) Temperature: 0.1°C using prism temperature sensor
Reading ModesRefractive Index (nD), Temperature Compensated RI (nD-TC), Brix, Brix-TC
CalibrationUp to 5 points including (NIST Traceable standards compliant)
Temperature Compensation10 to 110°F (-12 to 43°C)
Sample TypesTransparent, translucent, and opaque (0.1 mL )
Automatic Temperature EquilibrationAutomatically detects the temperature equilibrium point between the sample and the AR200. Critical for accurate refractive index measurements
Data Storage225 most current readings, up to 5-poin current calibration log
CommunicationIR port enables computer communication (optional accessories required)
Optical SensorQuartz glass prism surrounded by stainless steel well
Temperature SensorsDirectly in contact with prism near the sample/prism surface
Power4 AAA batteries
Battery Life3000+ readings with auto off/sleep mode, low battery detection
HousingValow 365 (µgE) for maximum chemical resistance
DurabilityFull sealed, water-resistant, drop tested from 36"
DimensionsL x W x D, in. (cm): 7 x 3.75 x 1.37 (18 x 9 x 3.5)
Net Weight0.9 lbs. (410g)
Recording SystemPotentiometric servo balance system
Power Supply93.5-132V / 187-264V 50/60 Hz (voltage selector) Max. Consumption 30 VA (1 channel), 40 VA (2 channels)
Ambient Temperature RangeOperating: -10 to 40°C; Storage: -40 to 75°C
Relative HumidityOperating: 20-85% non-condensing; storage 5-95%
Weight3.5 kg including roll of chart
Dimensions380 x 290 x 90 mm (W x D x H)
 SERVO System
Pen Travel200 mm
Pen Response Time0.2s for 5-95% full scale deflection (fsd)
Span Accuracy0.3% fsd
Non Linearity0.3% fsd
Dead Zone0.2% fsd
Input Terminals2 safety terminals

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