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1.2.2 P-1020 Polarimeter
Light source Sodium lamp (Na)
Polarizer Polaroid
Faraday cell Pb glass
Measurement wavelength 589 nm
Maximum cell length 100 mm
Detector Photomultiplier tube
Printer Equipped with Centronics parallel interface
Display Liquid crystal panel
Language Japanese, English
Temperature measurement Within cell holder/cell (sample)
Temperature measurement range 0∼40°C (Minimum display temperature: 0.1°C)
Measurement method Optical zero method with symmetric angle oscillation
Measurement Angle range ±90°
Minimum display angle 0.0002°
Response speed 6°/sec.
Integration time 1∼100 sec.
Measurement accuracy ±0.002° (±1° or less), 0.2% (more than ±1°)
Measurement repeatability ±0.002°
Data modes Optical rotation, Specific optical rotation ,
Concentration, Sugar scale,
Brix purity, Optical purity
Data processing Edit data
Statistical calculation: average value,
standard deviation
coefficient of variation
Other functions Recognizes light source, filter
External terminal External start, External auto zero
External output Analog output: ±1V±1%, full scale: 1°, 10°, 100°
LC output: 0.5°→ 5V±3%:589 nm (Na)
Dimensions 563(W)×350(D) ×210(H)mm
Weight 33 kg
Power requirements 100, 115, 200, 220, and 240 VAC ±10%,
50/60 Hz, 270 W
1.2.3 P-1030 Polarimeter
Light source Sodium lamp (Na), Mercury lamp (Hg)
Polarizer Glan-Taylor polarizing prism
Faraday cell Pb glass
Measurement wavelength 589, 577, 546, 435, 365 nm
Light source exchange Computer control
Maximum cell length 100 mm
Detector Photomultiplier tube
Printer Equipped with Centronics parallel interface
Display Liquid crystal panel
Language Japanese, English
Temperature measurement Within cell holder/cell (sample)
Temperature measurement range 0∼40°C (Minimum display temperature: 0.1°C)
Measurement method Optical zero method with symmetric angle oscillation