View source for Green Sand Hardness Tester

[[Category: SOP]]
=Safety Precautions/Loss Prevention=
#If using in foundry or deformation lab, please wear protective footwear, safety glasses, and a green foundry coat.

=Standard Operation Procedure=
==Tester Set-Up==
#Unscrew back panel of sand tester and insert batteries. Reattach back panel prior to use.
#Press the “Enter/Exit” button and wait for menu to appear on display.
#Press the right arrow button until the flashing cursor is below the number located on the left-hand side of the screen.
#Select the “Enter/Exit” button to change “Md” to “Wk” (should be displayed in the top left-hand corner).
==Taking a Measurement==
#Place the tester’s sensor flat on the surface of the sand being measured.
#Apply gentle pressure until the sensor has been pressed into the sand up to the marked black line on the sensor.
#Carefully remove tester from sand and a reading will appear on its display about 5 seconds after.
#Following use, please clean off outside of tester and remove batteries.