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Aczet Analog Polarimeter (APM Series) – Precision Optical Rotation Measurement for Critical Applications
The Gold Standard in Manual Polarimetry
In an era of digital automation, the Aczet APM Series Analog Polarimeter remains the trusted choice for laboratories demanding uncompromised optical precision. This full-circle manual polarimeter delivers pharmaceutical-grade accuracy for determining sugar concentration, chiral compound purity, and essential oil quality – making it indispensable in QC labs, research institutions, and food processing plants.
Why Professionals Choose Manual Polarimeters
1.) Unmatched Optical Clarity
- Sodium Vapor Lamp (589.44nm): Industry-standard wavelength for α-D line measurements
- Triple-Lens System: Enhanced contrast for precise equal-brightness determination
- 3X Magnification Vernier: Reads to ±0.05° resolution
2.) Rugged, Time-Tested Design
| Feature | Specification | Industry Benefit |
|---|---|---|
| Measurement Range | -180° to +180° | Covers all chiral compounds |
| 100/200mm Tubes | Borosilicate glass | For low/high rotation samples |
| All-Metal Body | 6.5kg stabilized base | Resists lab vibrations |
3.) Critical Measurements Made Simple
- Sugar Purity: International Sugar Scale compliant (26g/100ml = 34.262°)
- API Chirality: USP/EP compliant optical rotation verification
- Essential Oil Analysis: ISO 5921 standard for peppermint/cinnamon oils
Technical Specifications
| Parameter | APM-4 Specification |
|---|---|
| Accuracy | ±0.05° (certified NIST traceable) |
| Wavelength | 589.44nm (sodium D-line) |
| Power | 230V AC, 50-60Hz (±20% tolerant) |
| Dimensions | 500×135×330mm (Compact benchtop) |
| Warm-up Time | 10 minutes (stabilized output) |
Industry-Specific Applications
1.) Pharmaceutical QC
- Dextrose/Laevulose ratio in IV solutions
- Chiral purity of active pharmaceutical ingredients
2.) Food & Beverage
- Sucrose content in fruit juices (ICUMSA GS2/3-10)
- Maple syrup grading (≥66° Brix requirement)
3.) Essential Oils
- Adulteration detection in peppermint/lemongrass oils
- FCC compliance testing for food-grade oils
4.) Academic Research
- Optical activity studies in chemistry curricula
- Enantiomeric excess determination
The Aczet Advantage
- Zero Software Dependency: Never requires updates or recalibration
- 20+ Year Lifespan: Precision-ground brass gears
- Field-Repairable: Simple optics with no proprietary components
- Made for India: Handles 30-90% humidity without fogging
Quality Validation
Each unit undergoes:
- Optical alignment verification (λ/4 interferometry)
- 300-rotation endurance test
- Voltage fluctuation testing (180-250V)
Includes:
- NIST-traceable sucrose standard
- GMP validation templates
- Multilingual manual (EN/HI/FR)
Measurement Range
-180º to +180º
Scale Value
1º
Vernier
±0.05º
Magnifier
3X
Light Source
Sodium Lamp
Wavelength
589.44nm
Parameter
Manual
Round Cuvetter
100 or 200mm
Stable Time
10 minutes
Range of Accuracy
0 ~ ±180º (±0.05º)
Power Requirements
230 Vac, ± 20%, 50-60Hz
Weight Approx.
6.5 kg
Superior for method development – Allows visual verification of endpoint
Annual lamp replacement (₹850) + prism cleaning every 6 months
Yes – Adjustable aperture compensates for sample opacity
15-minute familiarization – Includes color-coded manual
Yes – 400mm tubes (+₹3,200) for low-rotation compounds