How to calibrate the platform scale?

Platform Scale Standard Calibrations

In weighing mode，press【Zero】key and【Print】key at the same time， display ECF –1,press【zero】key or【Tare】key to select ECF-1 ECF-2 ECF-3

ECF-1 Weight calibration

press【print】to enter，display CALZ, do not place any object on to plate，press【print】key to confirm，press 【zero】and【tare】to move the cursor，press【net/gross】 to enter the weight be calibrated，Place the required weight mass onto the scale as indicated on display， press【print】to return back to weighing mode 

ECF-2  Zero calibration

press【print】to enter，display CALZ, do not place any object on to plate，press【print】key to confirm，press 【print】to return back to weighing mode 

ECF-3 SPAN calibration

press【print】to enter，press【zero】and【tare】to move the cursor，press【net/gross】to enter the weight be calibrated， Place the required weight mass onto the scale as indicated on display，press【print】to return back to weighing mode