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Principle of operation
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Self-balancing polarimeter with magneto-optical compensation by Faraday effect
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Measuring ranges
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· °Optical Rotation, range ±6°, resolution 0.0001°, 0.001°, or 0.01°, menu-selectable
· User-definable concentration ranges: linear, standard or polynomial scales
· % Sucrose, range 0-23 % (g/100 cm3) with 40 mm cell, resolution 0.001 %
· % Glucose, range 0-26 % (g/100 cm3) with 40 mm cell, resolution 0.001 %
· °Z International Sugar Scale, ranges with 40 mm cell: ±86 °Z (standard)
or -50 °Z to +120 °Z (sugar industry model), resolution 0.01 °Z
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Sample temperature display
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0-99 °C at 0.1 °C resolution. Sample cell with built-in Pt 100 temperature sensor, or a dipping probe required
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Display
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Green vacuum fluorescence display
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Keyboard
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Water-proof rubber membrane type with numeric key array
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Automatic gain control
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Compensates light attenuation up to an optical density of 4
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Calibration and adjustment
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Menu-guided calibration by Certified Quartz Control Standards
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Calendar/clock functions
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Battery-buffered quartz clock with date and time
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Interfaces
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RS-232C serial port,
analogue output 0-10 V or 5 ±5 V
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Light source
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Tungsten-halogen lamp, 6 V, 10 W, average life 5000 h
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Optical wavelength
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589 nm (standard) or 546 nm (optional)
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Sample cells
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Various types from 2.5 to 90 mm length, material stainless steel or all glass, e.g. special models for HPLC applications
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Integration time
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User-selectable from 1-99 s, defines the number of measurements averaged at each display refresh cycle. The measuring rate is 14 measurements/s
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Measuring unit
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Waterproof cast metal housing, dimensions 550 x 130 x 215 mm (L x W x H), weight 17 kg
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Display unit
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Bench top housing of light metal, dimensions 470 x 160 x 340 mm (L x W x H), weight 7 kg
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Connecting cable
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Between measuring unit and display unit, length 2.5 m
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Power requirements
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Self-adapting to any mains voltage of 100/120 VAC or 200/240 VAC nominal +10 %/-15 %, 45-65 Hz
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