Model SR411
i
Patient Floor Scale
Operating and Service Manual
Part No. MAN411
i
_MICROBAN_200610
Page 13 of 16
S
Instruments, Inc.
,
600 Young Street, Tonawanda, NY 14150
Tel: 716-693-5977 Fax: 716-693-5854 URL:
www.srscales.com
email:
Copyright 2020
S
Instruments, Inc.
CALIBRATION (Cont’d)
Half-Scale value: (Optional)
NOTE
: The Half-Scale value is used only with the three-point calibration. It is a
value between zero and the Full Scale values. It is usually close to half of the Full
Scale value.
a)
Select the Half-Scale from the CAL menu by pressing the Left Button when the
display shows “
HALF
”.
b)
The display will show only the five digits <XXXX.X> with the thousand-place
flashing <1>. Select past to the next digit by pressing the Left Button.
c)
Once in the hundreds-place, set the half scale value by toggling using the Right
Button through the digits until desired value is shown. Select the desired value by
pressing the Left Button and continue the same with the remaining digits.
d)
Press the Left Button to save or Right Button to toggle to "
quit
". Select "
quit
" by
pressing the Left Button to quit without saving changes.
e)
Press the Left Button again to save and the display will show “
SAV’d
”.
Calibrate using the Two-Point Calibration Curve; zero and full scale.
NOTE
: The scale can also be calibrated with a Three-point slope “
3Pt
”.
NOTE
: Select known calibrated weights, traceable to NIST.
DO NOT USE
barbells
or uncalibrated weights. The displayed calibrated weight should be within the Accuracy
tolerance as listed in the “
SPECIFICATIONS
” table on page 5.
a)
Select Two-point calibration curve by pressing the Left Button when the display
shows “
2Pt
”.
b)
With no load applied, zero the scale by pressing the Left Button when the display
shows “
ZERO
”.
c)
Display will show “
FULL
”, apply the predetermined full scale value on the scale and
press the Left Button.
d)
Display will show “
SAVE
”, press the Left Button to save, display will show
“
SAV’d
” or Right Button to toggle to "
quit
". Select "
quit
" by pressing the Left
Button to quit without saving changes.
e)
Save the parameter changes while in the CAL mode by pressing the Left Button
when the display shows “
SAVE
”. To exit the CAL mode without saving the changes
press the Left Button when the display shows “
quit
”.
f)
Press the calibration button (Figure 2) using the pointed-end of a pen or similar item.
g)
Place a new calibration seal over the calibration button access hole.
TROUBLESHOOTING
SYMPTOM
REASON/CORRECTIVE ACTION
Weight reading is much lower than
expected.
Check that the platform is clear underneath, stand on each
corner to see if one corner is not weighing correctly.
System fails to perform correctly
Check power supply connections.
Set scale on smooth, hard floor surface.
Make sure patient is clear of any obstacles and that nothing,
including the caregiver, is touching the patient or scale.
For additional information or assistance, telephone our Service Hotline: 1-800-654-6360
