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9.3 Determination of humidity
Use the main switch (above the power plug) to switch on the balance. ”tEmP“ will
appear on the display screen.
You have two choices:
1. Press the key, the balance will run through a ”tEst “ mode. “0.000 “ will appear
on the display screen after a few seconds. A short warm-up period of approx. 10
minutes is advisable for stabilisation purposes.
2. It is possible to start up a pre-heating process that pre-heats the weighing region
to a reasonable drying process temperature. This pre-heating process is only practi-
cal before initial drying if there are to be several consecutive drying procedures.
This procedure can be triggered whilst “tEmP “ is on the display screen by operating
the key. The balance switches automatically to weighing mode after a few min-
utes.
Use the key to enter weighing mode.
Apply an empty sampling tray. Press the key, place the sample quantity on the
tray (see diagram 1) and close the cover.
Sample distribution:
Solids
Distribute powdery and granular samples evenly on the
sampling tray.
Reduce coarse grained samples to small pieces (grind,
mortar)
Fluids
Apply viscous and gluey samples in thin layers. It is ad-
visable to use a glass fibre filter.
Avoid weight loss due to splashes by covering the sample
with a glass fibre filter. Remember to tare off the weight of
the glass fibre filter.
Diagram 1