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- [ ABBE Refractometers ]
- [ Abbe Refractometer
Model DR-M ]
- [ Clinical Refractometers ]
- [ Digital Refractometers ]
- [ Digital Refractometer -
Wine Must ]
- [ Handheld Refractometers
E-Series ]
- [ Portable Refractometer ]

The ATAGO Model DR-A1 Digital Abbe Refractometer features digital readout of either Brix or Refractive Index (nD), electronic prism temperature measurement, nozzles for connection to a circulating constant temperature bath, and Automatic Temperature Compensatioon (5-50°C). The DR-A1 combines high accuracy [±0.0002 for refractive Index (nD), ±0.1% for Brix] and a  wide range [1.3000-1.7100 for Refractive Index (nD), 0.0-95.0% for Brix]. The LCD display is the largest available on similar refractometer models and displays both the reading and prism temperature as they occur.

Operation is simple: 1) Place on the prism and close the cover; 2) While looking through the eyepiece, rotate the adjustment control knob until the shadowline in centered in the crosshairs; 3) The reading and prism temperature are displayed on the LCD screen.

In addition to aqueous samples, the DR-A1 can also be used to measure the refractive index (nD) of solid (i.e. glass, plastic, film, etc.) The DR-A1 is also capable of measuring in either transmission or reflexion modes by use of the delta-ray wavelength.

• Measuring system: Optical Refraction Critical Angle Detection
• Measuring range: Refractive index (nD): 1.3000-1.7100
                             Brix: 0.0-95.0%
• Resolution: Refractive index (nD): 0.0001
                    Brix: 0.1%
• Accuracy: Refractive index (nD): ±0.0002
                  Brix: 0.1%
• Temperature Compensation: 5-50°C
• Ambient Temperature: 5-35°C
• Measuring Temperature: 5-50°C (0.1°C Resolution)
• Sample Quantity: >0.1mL
• Ambient humidity: <90% R.H.
• Altitude: <2000 above S.L.
• Display: LCD
• Measuring Light Source: LED
• Prism: optical glass
• Stage: SUS316 Stainless Steel
• Input Voltage: 90 to 260 V AC
• Output Voltage: 5 V DC, 6 A
• Power consumption: 40 V A
• Dimensions: 13 W x 29 D x 31 H cm
• Weight: 6.0kg

Supplied with: AC adapter(1), power cord(1), test piece, 1.51 nD(1), monobromonaphthalene, 4mL (1 botle), allen wrench(1), lighting adapter for solid samples(1), instruction manual(1), clear vinyl cover(1).

Model 1T Abbe Refractometer
features a digital thermometer, built-in light source, nozzles for connection to a circulating constant temperature bath, and high-level optics. When used with a water bath, the effective temperature range is 0-50°C. Model 1T's high accuracy and Standard features make it ideal for most laboratory setting.

Model 2T Abbe Refractometer
features a digital thermometer, built-in light source, nozzles for connection to a circulating constant temperature bath, and high-level optics. When used with a water bath, the effective temperature range is 0-120°C. Model 2T is specifically designed for working with high-temperature samples.

Model 3T Abbe Refractometer
performs with the highest level of accuracy but is also easy to use. The 3T is equipped with all of the following high-end features: four-position lighting an oversized scale, coarse & fine control knobs, a high accuracy digital thermometer, high-level optics, and a built-in air dryer and moisture removal device. When used with a water bath, the effective temperature range is 0-50°C.

Model 4T Abbe Refractometer
features a high refractive index (nD) range (1.4700-1.8700), a digital thermometer, built-in light source, nozzles for connection to a circulating constant temperature bath, and high-level optics. When used with a water bath, the effective temperature range is 0-50°C. Model 4T is perfect for research on any new compounds with unusually high refractive indices; also ideal for work with polymer film and related materials.

• Measuring system: optical refraction critical angle detection
• Measuring range:
  Refractive index (nD): 1.3000-1.7000 (Models 1T & 2T)
  Refractive index (nD): 1.30000-1.71000 (Model 3T)
  Refractive index (nD):1.4700-1.8700 (Model 4T)
  Brix: 0.0-95% (Models 1T & 2T)
  Brix: 0.00-95.00% (Model 3T)
• Resolution:
  Refractive index (nD):0.001 (Models 1T, 2T & 4T)
  Refractive index (nD):0.0002 (Model 3T)
  Brix 0.5% (Models 1T & 2T)
  Brix: 0.1% (Model 3T)
• Accuracy:
  Refractive index (nD): ±0.0002 (Models 1T, 2T & 4T)
  Refractive index (nD): ±0.0001 (Model 3T)
  Brix: ±0.1% (Models 1T & 2T)
  Brix: ±0.05% (Model 3T)
• Measuring temperature:
  0-50°C (0.1°C resolution) [Models 1T, 3T & 4T]
  0-120°C (0.1°C resolution) [Model 2T)
• Sample quantity: >0.1mL
• Digital thermometer display: LCD
• Light source:
  8V, 0.15 A Tungsten Lamp for Scale Field Illumination
  6V, 0.2 A Tungsten Lamp for Sample Illumination (Model 3T)
• Prism: Optical glass
• Stage: SUS316 stainless steel
• Power Supply: 100 to 240V AC, 50/60Hz
• Power consumption:
  6V AC (Models 1T, 2T & 4 T)
  18V AC (Model 3T)
• Dimensions:
  13 W x 18 D x 23 H cm (Models 1T & 4T)
  12 W x 20 D x 25 H cm (Model 2T)
  12 W x 31 D x 34 H cm (Model 3T)
• Weight:
  3.4kg (Model 1T & 4T)
  5.8kg (Model 2T)
  9.0kg (Model 3T)

Supplied with: digital thermometer (1), test piece, 1.51 nD (1), monobromonathalene, 4mL (1 bottle), instruction manual (1), clear vinyl cover (1), Lamp cord (1) [Models 1T, 2T & 4T], 8V Tungsten Lamp (5) [Models 1T, 2T & 4T], 8V Tungsten Lamp(3) [Model 3T], 6V Tungsten Lamp(3) [Model 3T], Air purger (1) [Model 3T], Scale adjustment screwdriver(1) [Model 1T, 2T & 4T], Scale adjustment allen wrench(1)[Model 3T].