| Warranty | 1 Year | Customized support | OEM |
| Place of Origin | Guangdong, China | Brand Name | DONGRU |
| Model Number | DR150 | Power | Electronic |
| Parameters | Ra, Rz, Rq, Rp, Rv, R3z, R3y, RzJIS, Rsk, Rsm, Rmr | Precision: | 0.001u03bcm |
| Indication Error | u226410% | Data Connection | USB, Bluetooth |
| Running Hours | 10hours | Energy saving | automatic sleep and shutdown |
| Dimensions | 140mm * 52mm *48mm |



Room C-508, Floor 5, No. 1 (plant 3), Yuhong Street, Zhongcun Street, Guangzhou, Guangdong, China