Optima Scale OP-924A, OP-924, OP-924B User Manual

OP-924 CRANE SCALE

USER’S MANUAL

(OP-924A, OP-924B Series)

optimascale.com

TABLE OF CONTENTS

Safety Precautions 1

Preparations and Set Up 1

Features 2

Specications 3

Power Supply 4

Displays 5

Display and Key Descriptions 6

Operating Instructions 7-98

Calibration 9-10

Scale Parameter Settings 11

Troubleshooting 12

Contact Us 12

SAFETY PRECAUTIONS

For safe operation of the weighing scale, please follow these
instructions:

● Calibration inspection and maintenance of the scale are prohibited by
non-professional staff

● Please ensure that the scale hangs securely

● The scale is a piece of static sensitive equipment; Please cut off power during
electrical connections

● Touching the internal components by hand is prohibited

● DO NOT exceed the rated load limit of the unit

● DO NOT hang on the unit

● DO NOT use this product if any of the components are cracked

● DO NOT use for purposes other then weight taking

● To avoid damaging the battery do not keep charger plugged in once the battery is
fully charged

● Make sure the weight is not over the Max capacity as it could damage the load cell
inside

● Material that has a static electric charge could inuence the weighing. Discharge
the static electricity of the samples, if possible. Another solution to the problem is
to wipe the scale with an anti-static agent

Please take anti-static prevention measures

Any accumulated charge on the body of the human operator should be discharged rst

before opening the protective container with ESDS devices inside. The discharge can
be accomplished by:

● Putting a hand on a grounded surface or, ideally, by wearing a grounded Anti-static
Wrist Strap and an Anti-static Mat

PREPARATION & SET UP

● Plug into a wall outlet to avoid interference with other wirings

● Turn on the scale while there is no load

● Calibration may be required before weighing when the scale is initially installed or
moved from a location

1

FEATURES

● LED or LCD display option

● Multiple weighing units: kg/lb

● Gross/Tare/Hold/Zero

● Economical, light weight and hand held general purpose crane scale

● Features and easy to red backlit LCD or ultra bright LED display

● Powered using a rechargeable batter pack (up to 80 hours) and AC adapter

● The standard remote controller allows user to change units, clear measurements,
zero and tare out weight

● Remote controller can capture peak weight at a distance of up to 100 feet (30m)

● Wireless remote control has Hold function

● Low battery reminder

● Automatic power off/power saving mode

Technical Parameters

● Accuracy class: Class III

● Tare Range: 100% max. capacity

● Initial Zero Range: ± 10% max. capacity

● Manual Zero Range: ± 2% max. capacity

● Zero Range: 45 F.S.

● Overload: 100 F.S.

● Display: 6 digit LED/LCD work height 1.5”

● Battery: 6V/10Ah, 6V/5Ah, or 6V/3.2Ah lead acid battery

● Charger: AC110V Input, DC9V/1500mA output

● Operation temperature: -10 °C ~ +40 °C

● Operation humidity: ≤90%RH

● Storage temperature: -40 °C ~ +70 °C (32-104°F)

2

SPECIFICATIONS

SCALE MEASUREMENTS

EXTERIOR DIMENSIONS

A B C D E

5.88” 8.50” 5.75” 2.91” 15.16”-17.13”

HOOK DIMENSIONS

A B C D E F G H I J K

UP TO 2,000 LBS.

2.55” 0.60” 1.35” 2.65” 3.25” 0.90” 0.90” 2.92” 0.96” 3.15” 4.92”

OVER 2,000 LBS.

2.55” 0.60” 1.35” 2.65” 3.25” 1.22” 1.15” 3.57” 1.25” 3.90” 6.50

3

POWER SUPPLY

AC Adapter

The scale is powered by an adapter, plug the adapter directly into the “DC” pin
located at the back of the scale. We recommend to plug into a wall outlet to avoid
interference with other wirings. A 110-220V AC adapter should be provided with your
scale. Please use only the AC adapter provided to prevent damage to your scale.

Battery

OP-924 comes with a rechargeable battery, please charge the internal battery fully be­fore rst time use for 10-12 hours to prevent low voltage resulted from left leakage of
battery. Once charged the battery should last for 45 hours. An AC adapter should be
provided with your scale. Please use only the AC adapter provided to prevent damage
to your scale. To keep the battery in best condition, fully discharge the battery every
month by leaving the scale on until the scale powers off, and then recharge fully. If the
battery is not going to be used for a long period of time it is recommended to remove it
to avoid leakage.

On OP-924A

● When the Battery is low the battery scale light ashes red

● During charging the red light will stay lit

ON OP-924B

● symbol will indicate battery’s charge

● symbol indicates that the battery needs to be charged

4

OP-924A (LED)

OP-924B (LCD)

5

DISPLAY AND KEY DESCRIPTION

ON/OFF Powers the Scale On or Off if held for 2 seconds
ZERO Zero’s the scale
TARE 1. Resets the scale to zero when there is something on the scale

2. Clears the tare to see the gross weight

HOLD Holds the weight
2ND Enters 2nd Mode

STB Shows that the weight is stable
hold Shows you are in Hold mode
lb The weight is shown in pounds
kg The weight is shown in kilograms
Zero Shows you have zeroed the scale
Tare Shows you are in Gross weighing mode
Battery Flashes red = low battery, Solid red = charging

Power

Up Arrow Key

Right Arrow Key

Return/Enter

Enter 2nd Mode

REMOTE KEY DESCRIPTIONS

KEY Weighing Mode 2nd Mode Data Input

Turns off scale Exit Exit

Zero Unit change Add 1 Page up

DEL Clear last accumulation Clear all the

accumulations

Hold Parameter

Setting

Tare Preset tare

weight

ACC Accumulate Reduce 1 Page down

F1 Check the accumulation Check battery

Conrm

Cursor ashing

to the right

Parameter

Settings

Enter to
next step

F2 Serial interface send

the data once

F3 Check the last weight Check the

F4 Store the weight
F5 Reserved

6

Set the serial
interface

internal code

OPERATING INSTRUCTIONS

Power On/Off

● Turn on the power by pressing the power button for 2 seconds. Once on, the
scale will ash the voltage and then begin to auto-check and count down from 0-9

sequentially before entering the weighing mode

Note: Anything on the scale before powering on will automatically be tared out.

Zeroing

● The zero function is used only when the scale is empty and is not at gross zero due
to material build up (such as a chain or rope)

● Pressing the ZERO key will reset your scale to 0

● Depending on what your manual zero range parameter is set to, you can zero out
any number within your set selection, after that you will receive an error and will
need to tare out the weight

Unit Selection

● To switch between measuring units (kg/lb) press the 2nd key followed by the
Zero key to switch between units

Tare Function

● The Tare function is used when you only wish to see the current change in weight,
not the entire amount of weight that is on the scale

● When the scale is in gross mode pressing the TARE key will Tare the current
weight on the scale and enter the net mode

● For example if you are using a chain add the chain to the scale, press tare and the
display will show the tare symbol and reset back to 0

● Add your product to the scale to weigh without the weight of the chain

● To exit Tare mode press the TARE key again to enter gross mode and you will see
the total weight of the container and the product

Note: If you remove the chain the scale will show the minus weight of the chain

To use a pre-set tare weight

● Press 2nd key, then press the TARE key; the display should now show [00000]

● Using the arrow keys, input the tare weight value

● Press Hold key to conrm and enter net weighing mode

7

Hold

Manual Hold: Grabs the current weight and holds it so it will not change/uctuate.

● While weighing, press the Hold key and the scale will hold the current weight on

the screen until HOLD is pressed again

Accumulation

● The accumulation function is used to add multiple weights and total them together

● In weighing mode load the rst weight, once stable press the ACC button on the

remote to enter the accumulation mode and accumulate the rst weight

● The display should show [ACC] if it shows [noACC] then the weight exceeded the
upper limit

● Remove your rst load and add your second load to the scale; press ACC

● Repeat previous step until all loads you want to accumulate have been added to the
scale

● Note: Incase of a mistake. Press DEL to clear the last accumulation data;
the display should show [deL]; if not it will display [nodeL]

● Press F1 to total your weights, the display should show [n###] (the number of
weights you are adding together) then it will display the total accumulated weight
for 3 seconds and return to weighing mode

● To clear the data, press the 2nd key and the display should show [2nd], then
press DEL to clear all the accumulation data, and the display should show
[CLEAr]

Weight Display

● Press F4, the display should show [StorE], and save the current weight value

● Press F3, the display should show [LASt0], use the arrow keys to choose a serial

number (most recent weights save as 0, the rst weight saves as 9)

● Press HOLD to display the corresponding weight for 2 seconds, then it will go
back to the weighing mode

8

OP-924

CALIBRATION PROCEDURE

1. Power on the crane scale

2. Press 2nd key and the display should show [2nd ]

3. Press 2nd key again and the display should show [PASS-] then [00000]

4. Use the arrow keys to enter the password “07650”

5. Press the HOLD key to conrm

6. A password error above will make the scale return to weighing mode, while a
correct password will let the user continue to set units, limits and perform calibration

7. Next the display should show [Un kg], which means the units is set to KG

8. Press the ZERO key to change the display to [UN Lb] and then press HOLD to

conrm. It should now show [FS 0#], referring to the table below

9. User can press ZERO to change the setting and HOLD to conrm

Display Max. Cap Division Min. Calibration Weight needed

FS 0.1 500 lb 0.1 lb 50 lbs
FS 0.2 1,000 lb 0.2 lb 100 lbs
FS 0.3 1,500 lb 0.2 lb 150 lbs
FS 0.5 2,000 lb 0.5 lb 200 lbs
FS 01 3,000 lb 0.5 lb 300 lbs

10. The display should show [CALon]; Press HOLD to enter calibration mode or
press to exit calibration mode

11. If calibration mode is entered, then it should display [LoAd0] for zero calibration;
with no load on the scale, wait for the stable light to turn on, then press HOLD

to conrm (scale may take a few minutes to fully stabilize)

12. The display should show [ 0] to complete zero calibration. Press to exit
calibration mode or press HOLD to continue

13. If continued the display should show [LoAd1] for loading a calibration weight; after
2 seconds the display should show [00000]; Using the arrow keys , enter the
calibration weight that you will be using (remember that you need at least 10% of
the max capacity you set, but the more the better)

14. Add the calibration weight to the scale

15. Wait for the stable light to turn on and press HOLD to conrm

16. The display should now show [EnD ]; Press HOLD to return to weighing mode

17. If the display does not show the value of the calibration weight you used, the scale
will need to be calibrated again

9

OP-924

GRAVITATIONAL ACCELERATION

FACTOR CORRECTION

1. During calibration, when the display shows [CALon], press TARE to enter into
gravitational acceleration factor correction

2. It defaults to 1.0000 and controls the relationship to the weight in direct proportion

3. Use the arrow keys to modify the parameters then press HOLD to conrm

4. The display should now show [EnD ], press HOLD to conrm

5. Note: after weight calibration, the gravitational acceleration factor reverts to the
default value of 1.0000. If the work site is lack of weights, press modify the gravita­tional acceleration factor to adjust the weight.

10

SCALE PARAMETER SETTINGS

To enter calibration/parameter settings, follow the procedure below:

1. Power on the crane scale

2. Press the 2nd

3. Press the HOLD key to conrm and enter into the next step

4. Use the arrow keys to change the parameter settings

5. Press the ON/OFF key to save and exit settings at any time

Function Parameter Settings/Options Default

Display Division

Automatic
Power Off

Power Saving Mode
(idle mode)

Kg/LB Conversion

Manual
Zero Range

Filter Intensity

Stable Intensity

Warning Tone

Display Brightness

Zero Tracking Speed

key and the HOLD key at the same time the display should show [2nd]

E

off

idl

UnS

zero

FIL

Stb

beep
ledb

zts

0.02 = 0.02 kg/lb

0.05 = 0.05 kg/lb

0.1 = 0.1 kg/lb

0.2 = 0.2 kg/lb

0.5 = 0.5 kg/lb
1 = 1 kg/lb
2 = 2 kg/lb

0 = turn off auto power off
10 = power off automatically if no change within 10 min.
30 = power off automatically if no change within 30 min.
60 = power off automatically if no change within 60 min.
90 = power off automatically if no change within 90 min.

0 = turn off power saving setting
10 = turn off display if no change within 10 minutes
30 = turn off display if no change within 30 minutes
60 = turn off display if no change within 60 minutes
90 = turn off display if no change within 90 minutes

0 = turn off kg/lb conversion
1 = turn on kg/lb conversion

0 = turn off manually zero setting and initial zero setting
1 = Initial zero range ±10% max capacity
Manual zero range ±2% max capacity
2 = Initial zero range ±100% max capacity
Manual zero range ±100% max capacity

0 - turn off lter intensity

1 = weak
2 = moderate
3 = strong

0 = weak
1 = moderate
2 = strong

0 = turn off warning tone
1 = turn on warning tone

1 = light
2 = moderate
3 = dark

0 = no zero tracking
1 = ±0.5% max capacity
2 = ±1% max capacity
3 = ±2% max capacity
4 = ±5% max capacity

1

10

30

1

2

1

1

1

1

11

TROUBLESHOOTING

Checking the Battery Life

Press 2nd then press F1, the display should show [U 6.##] battery power level for 2
seconds and then go back to weighing mode

Internal Code Checking

Press 2nd and the display will show [2nd], then press F3 to display the internal code,
only used in maintenance and debugging.

To exis press 2nd key and the display will show [2nd], then press F3 to go back to
weighing mode

Screen Display and Instructions

Error Reason Solution

Err6
U 628
uuuuu
nnnnn

2nd
off
ACC

noACC

del
nodel
ClEAr
StorE
LASt0

Exceed zero range Check the crane load

Battery Power

Overload

Lower than the minimum value Reduce the weight

2nd mode, weit foe combination key

Power off

Accumulate

Cannot be accumulated

Clear the last accumulation value data

Cannot be cleared

Clear all the accumulation data

Save the display value data

Check the weight serial number

Please e-mail [e-mail] for any sales related questions.

Please e-mail [e-mail] for any support related questions.

Don’t forget to visit our website at:

12

CONTACT US

optimascale.com