Features:
It adopts the method of visual aiming and manual measurement, which is easy to use.
| Model | BK-P4S |
| MeasurementMode | OpticalRotation |
| Lightsource | sodiumlamp+colorfilter,wavelength589.44nm |
| Measurementrange | ±180° |
| Diagramvalue | 1° |
| Dialvernierreadingvalue | 0.05° |
| Magnifyingglassmagnification | 4× |
| Testtube | 200mm,100mm |
| Powersupply | 220V±22v,50Hz+1Hz |
| Instrumentsize | 540mm×220mm×380mm |
| Instrumentweight | 5kg |
