Labman
Automatic Digital Polarimeter ADP Series (±45° / ±90°, 589 nm, Touchscreen)
Automatic Digital Polarimeter ADP Series (±45° / ±90°, 589 nm, Touchscreen)
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The Automatic Digital Polarimeter ADP Series is engineered for precise measurement of optical rotation, specific rotation, sugar concentration, and sample purity across pharmaceutical, chemical, food, and research laboratories.
Based on the optical null detection principle, the system delivers high accuracy, repeatability, and fast measurement performance suitable for both routine quality control and advanced analytical applications.
The series includes four models—ADP45, ADP50, ADP75, and ADP90 providing flexibility in measurement range and temperature control. Models ADP50 and ADP90 are equipped with integrated Peltier temperature control, ensuring stable sample conditions for highly sensitive measurements.
With an intuitive touchscreen interface, multi-parameter analysis, and robust data handling, the ADP Series is designed for efficient and reliable laboratory workflows.
Model Overview
ADP45 – ±45° range, without temperature control
ADP50 – ±45° range with integrated Peltier temperature control
ADP75 – ±90° range, without temperature control
ADP90 – ±90° range with integrated Peltier temperature control
Key Features
High-resolution touchscreen display (7" / 8")
Advanced optical null measurement technology
Multiple measurement modes: optical rotation, specific rotation, sugar, and concentration
Automatic repeated measurement (up to 6 cycles) with averaging
High-speed measurement with excellent repeatability
Stable photodiode detection system
Insulated sample chamber for improved temperature stability
Suitable for dark and colored samples
Instant operation with no warm-up time required
USB and RS232 connectivity for data transfer
Optional Peltier temperature control system (ADP50, ADP90)
Technical Specifications
| Parameter | ADP45 / ADP50 | ADP75 / ADP90 |
|---|---|---|
| Measurement Range | ±45° | ±90° |
| Resolution | 0.001° | 0.001° |
| Accuracy | ±0.01° | ±0.004° |
| Sugar Range | ±120°Z | ±259°Z |
| Concentration Range | 0–99.9 g/ml | 0–100 g/ml |
| Wavelength | 589.3 nm | 589.44 nm |
| Display | 7" Touchscreen | 8" Touchscreen |
| Temperature Control | Optional (ADP50) | Optional (ADP90) |
| Temperature Range | 10–50°C (Peltier models) | 10–50°C (Peltier models) |
| Memory | Limited | Up to 10,000 data sets |
| Interface | USB, RS232 | USB, RS232 |
| Light Source | LED | LED |
| Test Tube Length | 100 mm & 200 mm | 100 mm & 200 mm |
| Power Supply | AC 220V, 50/60Hz | AC 220V, 50/60Hz |
Applications
Pharmaceutical analysis for purity and concentration determination
Chemical industry for optical activity measurement
Sugar industry for glucose and fructose analysis
Food and beverage industry for quality control
Academic and research laboratories
