Repeatability Check Function - A&D GX-M Series Instruction Manual

22.Repeatability Check Function (GX-M series only）
Repeatability is an indicator of variations in measured values when the same weight is repeatedly
loaded and unloaded, and it is usually expressed in terms of standard deviation (σ
The GX-M series has a built-in weight.
With the repeatability check function, the balance obtains 10 measurement data using the built-in
weight and displays its standard deviation.
By installing the balance and using this function, it is possible to check repeatability in the environment
where the balance is installed.
Note: This function is available for firmware versions 1.010 or later.
Ex. "Standard deviation = 10.0mg" means that the result of
repeated measurements of the same weighing material
falls within the range ±10.0mg at a frequency of about
68%.
1. Press and hold the
the weighing display. After
release the key.
2. When rEp tE5t is displayed, data collection starts
automatically.
While data is being collected,
To cancel, press the CAL key.
CANCEL displays and you are returned to return to
weighing mode.
3. When data collection is completed, repeatability
(standard deviation) is displayed.
4. Press the PRINT
repeatability
5. Press the CAL
weighing mode.
Note
□ The results of this function differ from the repeatability conditions
of "28. Specifications" because it uses the weight of the balance
(about 850g), so treat it as a reference value.
□ In order to measure correct data, do not apply wind or vibration
while collecting data.
□ While using the password lock function, it can be used only when
logged in as ADMIN (administrator).
SAMPLE key (for 4 seconds) in
is displayed,
rEp tE5t
blinks.
rEp
key to output
(standard deviation).
key to return to
bA5Fnc
Data collection
Output
Measurement result
Repeatability
(Standard deviation)
131
).
n-1
0.00
Press and hold
(for 4 seconds)
rEP tE5t
Release
rEp
REAdY
rEp
5tARt
rEp
0.00 0
rEp
0.00
2
rEp
0.00
9
5D
10.0
CANCEL
5D
10.0
End
0.00
Times
Cancel