Specifications:Measuring scales: °Optical Rotation, °Specific Rotation, %Concentration, and user-defined scale.Measuring range: ±89.9°Resolution: 0.001°Accuracy: ±0.004°Repeatability: ±0.004°Response time: 12 sec.Wavelength: 589 nmLight source: LED, with average lifetime of 100.000 hoursSensitivity: A light intensity control compensates attenuation up to Optical Density (OD) 2.0Temperature sensor: Built-in PT 100 sensorTemperature resolution: 0.1 °CTemperature accuracy: ±0.1 °CTemperature control: Automatic Peltier temperature control between 15°C and 35°C, or without temp. controlSample cell / quartz control plate: Toolmaster™ - Automatic sample cell and quartz control plate identification; sample cell path length of 2.5 mm to 100 mmDisplay:TFT touchscreen 5.7" (145 mm), 640 x 480 PixelsInterfaces:3 USB, RS232, Ethernet, CAN bus, 1 USB type B for service.Easy connection of keyboard, mouse, printer, bar code. Network capabilityDimensions (LxWxH):37