1. Plug the metering pump into the power cord.
2. Install the measuring frame of metering pump.
3. Press the power switch of the metering pump.
4. 0 appears on the screen of metering pump, and then press and hold the zero button of metering pump to enter calibration mode.
5. Put a 100g weight to calibrate the metering pump.
6. Remove the weight and put it on the supporting platform of the metering pump.
7. it can be used.