Specification | ETT 35 | ETT 3005 |
Scales | Angular degrees, ISS (°Z), temperature corrected ISS, specific rotation, concentration, 10 user programmable scales, apparent sugar purity if connected to an Index Instruments refractometer | Angular degrees, ISS (°Z), temperature corrected ISS, specific rotation, concentration, 10 user programmable scales, apparent sugar purity if connected to an Index Instruments refractometer |
Range 量程 | Full circle, reading to±90 angular degrees, in excess of±250°Z | Full circle, reading to±90 angular degrees, in excess of±250°Z |
Resolution 分辨率 | 0.01°, 0.01°Z | 0.001°, 0.01°Z |
Accuracy精度 | ±0.01°, ±0.02°Z | ±0.001° (0 to 10°) ±0.01° (10 to 90°) ±0.01°Z (0 to 25°Z) ±0.02°Z (above 25°Z) |
Wavelengths 波长 | 589, 546, 436, 405, and 365nm1 | 589, 546, 436, 405, and 365nm1 |
Light Source 光源 | 20 watt tungsten halogen lamp, typical life 2000 hours | 20 watt tungsten halogen lamp, typical life 2000 hours |
OD Tolerance | OD 3.0 (ie 99.9% absorbance), warning issued if sample too dark | OD 3.0 (ie 99.9% absorbance), warning issued if sample too dark |
Reading Time (continuous mode)测试时间 | 10 seconds | Approximay 10 to 15 seconds |
Reading Modes测试模式 | Continuous, autoprint, one shot and lock, or read when stable | Continuous, autoprint, one shot and lock, or read when stable |
Sample Compartment 样品室 | Accepts standard sample tubes, 30mm diameter collars. Maximum path length 200mm, bores 8mm down to 1.5mm. Ventilated - temperature rise above ambient does not exceed 3°C | Accepts standard sample tubes, 30mm diameter collars. Maximum path length 200mm, bores 8mm down to 1.5mm. Ventilated - temperature rise above ambient does not exceed 3°C |
Thermometers 温度 | Temperature sensor in sample compartment, socket for alternative sample tube sensor. Sensor range 0-100°C,accuracy ±0.25°C. Digital display resolution 0.1°C | Temperature sensor in sample compartment, socket for alternative sample tube sensor. Sensor range 0-100°C,accuracy ±0.25°C. Digital display resolution 0.1°C |
Outputs/inputs输出/输入 | 2 x RS232 (25-way D sockets), 1 x remote (9-way D socket) | 2 x RS232 (25-way D sockets), 1 x remote (9-way D socket) |
Data Output 数据输出 | Rotation reading, units, time and date, polarimeter serial number, wavelength, temperature, pre-set parameters, sample number | Rotation reading, units, time and date, polarimeter serial number, wavelength, temperature, pre-set parameters, sample number |
Features 特征 | 21 CFR Part ll Compliant Data Averaging facility Data Storage for up to 100 measurements | 21 CFR Part ll Compliant Data Averaging facility Data Storage for up to 100 measurements |
Special Features特殊功能 | User selection and definition of output parameters for GLP (Good Laboratory Practice); in addition to the standard data output, up to 6 user defined sample identifiers | User selection and definition of output parameters for GLP (Good Laboratory Practice); in addition to the standard data output, up to 6 user defined sample identifiers |
Controls 控制 | Power ON/OFF, alpha-numeric keypad, plus function keys including print, zero and scale selection | Power ON/OFF, alpha-numeric keypad, plus function keys including print, zero and scale selection |
Calibration 校准 | UKAS calibration certificate available if required (如果需要可提供UKAS校准证书) | UKAS calibration certificate available if required(如果需要可提供UKAS校准证书) |
Size and Weight尺寸和重量 | L 515mm, D 380mm, H 198mm, W 15.7kg | L 515mm, D 380mm, H 198mm, W 15.7kg |