
RICE LAKE OS-10/OS-25/OS-45
On-Site Hanging Scale
Operators Guide
131079 Rev A

1 OS-10/25/45 Hanging Scale Operator’s Manual
Safety
Failure to heed
may result in minor or moderate injury.
DO NOT operate or work on scale unless you have read and
understand this manual.
DO NOT use for purposes other than weighing.
DO NOT leave loads unattended.
DO NOT Overload - it can damage the scale and will render the warranty null and void.
Cleaning
•
Always turn scale off before cleaning.
•Alcohol based wipes when cleaning the
scale are recommended.
•DO NOT spray with or submerse into water when cleaning.
•Refrain from using corrosive liquids
or high pressure washers.
•Improper cleaning will render the warranty null and void.
Inserting/Replacing Battery
When LO appears on display, replace batteries with
two 1.5V AA batteries.
1. Remove the battery cover located
on back of scale.
2. Remove batteries and dispose of properly.
3. Install new AA batteries according to the diagram in
the battery
cavity.
4. Replace battery cover securely.
Error Messages
Table 1. Error Messages
Error Action Display
Limited Warranty
All systems and components are warranted against defects in materials and workmanship
for one year. For further information see www.ricelake.com.
Low Battery Replace the batteries.
Over Load - Total load exceeds the
maximum capacity.
Remove weight from the
scale immediately.
Over Zero - Zero count is higher than the
setting range.
Scale turns off if status
continues 30 secs or longer.
Below Zero
Zero count is below the setting range.
Scale turns off if status
continues 30 secs or longer.
EEPROM error Call for service.

OS-10/25/45 Hanging Scale Operator’s Manual 2
Display and Button Functions
HOLD
o
POWER
ZERO
UNITS
Units
S
O
10
Minus
Hold
Capacity: 10.00kgx0.01kg/22lbx0.02lb/22lbx1/4oz
Figure 2. Hanging Scale
Operating Scale
Suspend the scale in a secure location.
Use scale in a vertical position only.
1. Press
to select units.
3. Suspend container from hook if one will be used.
4. Press
to zero scale.
5. Place product on the scale, weight
will appear in the display.
6. To turn the scale off, press and hold
.
Key Item Description
1 Minus Signifies a negative weight.
2 Hold Signifies the weight is held.
3 Power/Zero Press to turn scale on.
Press to reset scale to zero.
Press and hold to turn scale off.
4 Units Select kilograms, pounds or pounds and ounces.
5 Hold Press to hold weight. Press again to release weight.
Table 2. Display and Button Function

3 OS-10/25/45 Hanging Scale Operator’s Manual
Hold Function
1. Press
, when weight stabilizes display will lock and arrow will be steady.
2. Press
to release locked weight.
Adjusting Auto-Off
1. Press
to power on.
2. Press and hold
. When AOFF displays, release.
3. Press
to select auto-off time (OFF, 120, 180, 240, 300 seconds).
4. Press
to return normal weighing mode.
Calibration
Calibrate using the following process:
1. Press and hold
three times, ZERO COUNT displays.
3. Press
, zero displays.
4. Press
to select calibration unit.
5. Load appropriate amount of weight on scale (See Table 3). Display shows span count.
6. Press
, CAL displays, then the weight.
7. Remove the weight, re-power the s
cale and calibration is complete.
Model kg lb
Table 3. Calibration Weights
OS10 10kg 20lb
OS25 20kg 40lb
OS45 20kg 40lb
Certifications and Approvals
Marked
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference that may
cause undesired operation.