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Keywords: semi-automatic polarimeter, automatic polarimeter, optical rotation polarimeter, sugar polarimeter, concentration polarimeter
The WXG-6 semi-automatic polarimeter measures optical rotation, specific rotation, concentration, and International Sugar Scale values (°Z). A 5.6-inch touchscreen, selectable sample tube lengths, automatic temperature compensation, and built-in data storage make it suitable for routine sample analysis in laboratory and quality-control settings. An LED light source and USB data transfer support convenient day-to-day operation.
1. Four selectable measurement modes: optical rotation, specific rotation, concentration, and International Sugar Scale (°Z).
2. A 5.6-inch touchscreen provides measurement results, prompts, and an on-screen operating guide.
3. LED illumination with an interference filter provides a long-life light source.
4. A built-in temperature sensor measures sample-chamber temperature; automatic temperature compensation supports temperature-corrected readings.
5. Auto-zero and zero-correction functions help set the instrument baseline.
6. Use 100 mm or 200 mm sample tubes, an optional 50 mm tube, or enter a tube length manually.
7. One- to three-point calibration supports calibration across the measurement range.
8. Store and recall up to 100 readings. The real-time clock can add timestamps for GLP-style recordkeeping.
9. Transfer stored results to a computer through USB; compatible DAS software can receive data, calculate averages, and export to Excel.
Optical rotation display | 
Setup menu | 
Temperature setting |
| Parameter | Specification |
|---|---|
| Model | WXG-6 |
| Measurement modes | Optical rotation; specific rotation; concentration; International Sugar Scale (°Z) |
| Measurement range | Optical rotation: ±90°; sugar scale: ±130°Z |
| Resolution | 0.005° |
| Accuracy | ±0.02°; ±0.05°Z |
| Calibration | 1–3 points |
| Light source | LED with interference filter |
| Optical wavelength | 589.44 nm |
| Stabilization time | 5 minutes |
| Sample tube lengths | 100 mm and 200 mm; optional 50 mm tube; manual length entry supported |
| Temperature range | 0–100 °C |
| Temperature compensation range | 0–50 °C |
| Temperature accuracy | ±0.5 °C |
| Data storage | Up to 100 data sets |
| Communication interface | USB |
| Power supply | AC 220 V / 50 Hz |
| Dimensions (L × W × H) | 550 × 300 × 220 mm |
| Weight | 7.5 kg |
1. Sugar and food testing using the International Sugar Scale.
2. Optical rotation and specific rotation measurements in chemistry and pharmaceutical laboratories.
3. Concentration analysis of optically active samples.
4. Routine laboratory and quality-control testing that requires polarimetric measurements.
1. 50 mm sample tube.