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WZZ automatic polarimeter uses LEDs as the light source to avoid the trouble of frequent replacement of the sodium lamp. The temperature control device inside the instrument has heating and cooling functions. If the temperature control type test tube is used, the temperature measurement of the sample can be measured. The large-screen LCD on the instrument provides a man-machine dialogue menu operation mode, which is simple, intuitive, stable and reliable.
Main technical parameters:
Measurement mode: optical rotation, specific rotation, concentration, sugar content
Light source: LED + high precision interference filter
Working wavelength: 589nm (sodium D spectrum)
Measuring range: ±89° (optical rotation) ±257°Z (sugar degree)
Minimum reading: 0.001°
Indication error: ±0.01° (-15°≤optical rotation ≤+15°)
±0.02° (when the optical rotation is <-15° or the optical rotation >+15°)
Repeatability (standard deviation s): 0.002° (-45° ≤ optical rotation ≤ +45°)
0.005° (when the optical rotation is <-45° or the optical rotation is >45°)
Temperature control range: 15 ° C - 30 ° C
Temperature control accuracy: ±0.5 °C
Display mode: large screen dot matrix LCD touch screen display
Test tube: 200mm, 100mm normal type, 100mm temperature control type
Output communication interface: USB interface and U disk storage information
Power supply: 220V±22V, 50Hz±1Hz, 250W
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