Ohaus Scales V71P30T

Place the test weight in the center of the Weighing Pan

Test Mass Placement and Recording

Place the test mass on the Scale and record the weight.

Remove the test mass from the Scale.

Place Load 1 on the Scale and press ON/ Zero - Off.

Place the test mass on the Scale and record the weight.

Remove the test mass from the Scale.

Unplug the cable leads connecting the Load Cell to the PCB.

Turn the scale over and remove the bolts and washers that hold the Load Cell assembly to the Bottom Housing.

Remove the bolts and their washer pairs that hold the Load Cell Frame to the Load Cell using a high-leverage Allen wrench.

Lift the Load Cell away from the frame.

Secure the bottom frame to the load cell with the screws.

Secure the top frame to the load cell.

Wear gloves when handling the mass

Follow the steps in Appendix A, Section A-2, Setup and Calibration

Zero the instrument, if it does not read zero

Select a mass weighing near the maximum capacity of the balance and place it on the center of the Pan

Remove the mass and check if the reading returns to 0g ±2 count

Repeat the test three times and check if the readings are within ±2 count of the recorded reading

If the deviation for any set of readings is greater than ±2 d, inspect and correct the following areas

Check for mechanical obstructions and correct as necessary

Move the scale to a suitable location, ensure it is level, and try again