Ohaus DISCOVERY SEMI-MICRO AND ANALYTICAL BALANCES Manual - Manual (Page 28)

EN-24 Ohaus Discovery
3.5.9 Density (Cont.
The balance now indicates 0.0000 g IN AIR (blinking). Place the sample on the support and
weigh in air, press the Function button.
Carefully submerge the sample in the auxiliary liquid (in liquid) using the kit and press the Func-
tion button. The balance displays the result in grams per cubic centimeter (g/cc).
To Establish New Density Parameters
Press and hold the Mode button until DENSITY is shown on the secondary display.
NOTE: Sample illustrations values are not correct and are to be used as a guide only.
D. Density of Solid using Auxilary Liquid (Cont.)
E. Density of Porous Material Using Oil
The following should be turned On in the Setup Menu: POROUS, WATER.
Press and hold the Mode button until DENSITY is shown on the secondary display..
Press the Yes button, TEMP 20.00 C is displayed. Enter the water temperature from a precision
thermometer, then press the Yes button.
WEIGHT 00.00000 is displayed. Enter the weight of the porous material previously recorded, then
press the Yes button.
D OIL 0.000000 is displayed. Enter the density of the oil, then press Yes.
The balance indicates 0.0000g IN AIR (blinking). Immerse the porous material in oil to saturate it
and weigh, press the Function button.
Now, immerse the porous material in water (in liquid) and press the Function button. The balance
displays the result in grams per cubic centimeter (g/cc).
To Establish New Density Parameters
Press and hold the Mode button until DENSITY is shown on the secondary display.
NOTE: Sample illustration values are not correct and are to be used as a guide only.
NOTE: Before starting this procedure, weigh the porous sample and record the dry
weight. This is important as you will have to enter this value later on.