14
6. Weighing
Precautions for the weighing operation
Press
the
RE-ZERO
key each time, before placing a sample on the weighing pan, to
prevent possible errors.
Place a sample in the center of the weighing pan gently.
Temperature changes during measurement may cause a weighing error.
Shorten the operation time as much as possible. ( Opening and closing door, placing and
removing a sample)
Use a pair of tweezers to avoid a temperature change due to having your hand in the
weighing chamber.
Material with an electrostatic charge or that is magnetic may cause a weighing error.
Do not press keys with a sharp instrument (such as a pencil or ball point pen).
Do not drop things on the pan, or place a weight on the pan that is beyond the weighing
range of the balance.
Calibrate your balance periodically to maintain weighing accuracy. Refer to section "8.
Calibration".
Keep the area clean and dry.
Consider section "3. Precautions" for the weighing operation.
For precision weighing, keep the AC adapter connected to the balance.
6.1.
Basic Operation (Gram Mode)
Read section "4. Display symbols and Key operation" before operation.
Note
When turning on the balance with a container placed on the
pan, the tare function sets the display to zero automatically.
1 Turn on the balance using the
ON:OFF
key.
2 Select a preset unit (g or mg) using the
MODE
key.
3 Place the container on the weighing pan, if necessary.
Press
the
RE-ZERO
key to cancel the weight (tare).
Then zero is displayed.
Container : A vessel placed on the pan, but not to be
included in the weighing data.
4 Place a sample on the pan or in the container.
5 Wait for the stabilization indicator
to be displayed,
then read the value.
6 Remove the sample and container from the pan.
Stabilization
indicator
Sample
Container
Weighing pan
Remove the sample
and container
Summary of Contents for HR-300i
Page 1: ...Analytical Balance HR 300i HR 202i 1WMPD4000912C...
Page 7: ...5...
Page 56: ...54 15 1 External Dimensions Unit mm...
Page 62: ...60 MEMO...
