U.S. Solid USS-DBS93 User manual

Instruction Manual
USS-DBS93(94)
Waterproof Bench Scale

Table of Contents
Introduction............................................................................................................... 1
1.1 Safety Precautions.........................................................................................1
Design and Function.............................................................................................. 3
2.1 Components....................................................................................................3
2.2 Keyboard......................................................................................................... 4
2.3 Display Panel..................................................................................................5
Unpacking.................................................................................................................. 6
Before Using............................................................................................................. 7
4.1 Leveling the scale.......................................................................................... 7
4.2 Calibration....................................................................................................... 9
Operation..................................................................................................................10
5.1 Basic Weighing.............................................................................................10
5.2 Checkweighing............................................................................................. 11
Setting........................................................................................................................13
6.1 Unit Switching...............................................................................................13
Maintenance............................................................................................................ 15
7.1 Cleaning........................................................................................................ 15
7.2 Disposal.........................................................................................................15
Troubleshooting..................................................................................................... 16
Technical Data........................................................................................................17

1
Introduction
Thank you for choosing the U.S. Solid USS-DBS93(94) Series Waterproof
Bench Scale.
The USS-DBS93(94) Waterproof Bench Scale features a protection grade
of IP68, which means its waterproof performance can even make it
immersed in water without damaging the scale. Therefore, the
USS-DBS93(94) Waterproof Bench Scale can be of help for weighing
seafood, shellfish, meat, kimchi and any other samples with water. U.S.
Solid’s dedicated customer service staff are available to answer any
inquiries regarding applications and accessories.
Please read the manual completely and follow the usage instructions
before installation and operation as this will help you to make full use of
the functions and performance of the USS-DBS93(94) Waterproof Bench
Scale.
1.1 Safety Precautions
The U.S. Solid USS-DBS93(94) Waterproof Bench Scale qualifies as
state-of-the-art technology and complies with all recognized safety rules.
Improper use or handling, however, can result in damage and/or injury.

2
Please follow the precautions below to ensure safe and trouble-free
operation of your scale.
•The scale has a 3-pin power socket equipped with a
ground terminal. To prevent electric shock and to maintain
stability in operation of the scale, be sure to ground the scale.
•Use a power source (voltage, frequency, outlet type)
adapted to the specification of the scale. If excessive voltage
is used, the scale may overheat and be damaged or cause a fire.
•Operate the scale on a stable, rigid and flat table.
•Handle the scale carefully. It is a precision device,
subjecting it to impact may result in a malfunction.
•If the device is not be used for a long period of time, the power
should be turned off and disconnect the power cable.
•Do not disassemble, remodel or repair this product or accessories.
•Do not weigh items larger than the scale's range, as this may damage
the load cell of the scale.
* Although the USS-DBS93(94) Waterproof Bench Scale has a protection
grade of IP68, it is still not recommended to immerse it in water. The
pressure of water will cause the scale to be damaged because of
long-time immersion in water, and the accurate weight value cannot be
measured due to the buoyancy of water.

3
Design and Function
2.1 Components
1: Weighing Pan 2: Display Panel
3: Leveling Indicator 4: Keyboard
5: Leveling Feet 6: Rear Display Panel

4
2.2 Keyboard
Key
Description
Switch on/off the scale
Enter setting while powering on
Switch the setting item
Perform calibration procedure with “ZERO”
Zero the scale
Perform calibration procedure with “MODE”
Tare the scale
Switch option in setting item

5
2.3 Display Panel
No.
Description
1
The battery is in charging
2
The remaining battery power is insufficient
3
Indicates current displayed value is net weight (has been tared)
4
Indicates the weighing value return to zero
5
Checkweighing mode: the weight of the sample to be checked
is lower than the lower limit
6
Checkweighing mode, the weight of the sample to be checked
is within the upper and lower limits
7
Checkweighing mode, the weight of the sample to be checked
is higher than the upper limit
8
Current weighing unit is “lb”
9
Current weighing unit is “kg”
10
Current weighing unit is “g”
11
Leveling indicator

6
Unpacking
The USS-DBS93(94) Waterproof Bench Scale is a precision instrument.
Unpack the scale carefully and check the delivered items for
completeness.
The following accessories are part of the standard equipment for your
new USS-DBS93(94) Waterproof Bench Scale:
·1 Scale Main Body
·1 Weighing Pan (rectangular)
·1 Waterproof Power Cable
·1 Instruction Manual
·1 Quality Certification
Check the instrument for damage in transit. Immediately inform the
U.S. Solid customer service if you have any complaints or parts are
missing.

7
Before Using
·Adjust the leveling feet of the bench scale until the air bubble in the
indicator is centered.
·Warm up for 30 minutes after starting up to improve the stability of
weighing.
4.1 Leveling the scale
Accurate horizontal positioning is necessary for repeatable
measurements and exact results. To compensate for small irregularities
or tilts at this location, the instrument needs to be leveled.
Adjust the leveling feet of the bench scale until the air bubble in the
indicator is centered. The level indicator is located under the cover
towards the rear of the bench scale.

8
Position of air bubble
Adjustment method
up
Turn both feet clockwise
down
Turn both feet counterclockwise
Left
Turn left foot counterclockwise, right foot
clockwise
Right
Turn left foot clockwise, right foot
counterclockwise

9
4.2 Calibration
Calibration is an important step to assure the bench scale will accurately
weigh the sample.
Perform calibration operations in the following situations:
•Changes in the location of use (including moving in the same room).
•Changes in ambient conditions.
1. Press “TARE”to zero the scale in the weighing state;
2. Place the calibration weight on the weighing pan;
3. Press “MODE”and “ZERO”simultaneously;
4. Then “CAL”will be displayed;
5. After the weight value of the calibration weight is displayed, remove
the calibration weight;
6. The calibration procedure is completed and it will return to the
weighing interface.

10
Operation
5.1 Basic Weighing
1. Press “TARE”to zero the scale in the no-load state.
2. Place the weighing sample on the weighing pan.
3. After the display stabilizes, read the value displayed.
Weighing a sample that needs to be in a container:
1. Place the weighing container on the weighing pan.
2. Wait for the display to stabilize. Then press “TARE”to tare, and the
displayed value will return to zero.
3. Place the sample(s) to be weighed in the weighing container.
4. After the display stabilizes, read the value displayed.
* Overweight Alarm
When “------”is displayed in the weighing state, it indicates that the
sample weight exceeds the maximum range of the scale. The sample
should be removed immediately to avoid damage to the scale.

11
5.2 Checkweighing
The USS-DBS93(94) Waterproof Bench Scale offers a checkweighing
function. Checkweighing means to define a weight range by presetting a
upper weight limit and a lower weight limit, and then weighing samples
to determine whether the weight of these samples are within the range,
above the upper limit or below the lower limit, so as to achieve the
purpose of screening.
1. In the power-off state, press “POWER”to switch on the scale,
meanwhile long press “MODE”, then “F---1”will be displayed;
2. Press “MODE”eight times continuously until “P-OFF”is displayed;
3. Then press “TARE”to switch to “P-ON”;
4. Press “MODE”two times continuously until “-END-”displays and
returns to the weighing interface;
5. Press “POWER”to switch off the scale;
6. After several seconds, press “POWER”to switch on again, meanwhile
long press “MODE”, then “F---1”will be displayed;
7. Press “ZERO”several times continuously until “F---6”is displayed;
8. Press “MODE”to perform the setting of lower limit while “L00000”
will be displayed;
9. Press “TARE”to select the number of digits and press “ZERO”to

12
change the number;
10. Then press “MODE”perform the setting of upper limit while
“H00000”will be displayed;
11. Press “TARE”to select the number of digits and press “ZERO”to
change the number;
12. Press “MODE”and “-END-”will be displayed, the lower limit and
upper limit of checkweighing are set;
13. After that the checkweighing operation can be performed:
When the sample weight is greater than the upper limit, the "Up" light is
on, when the sample weight is less than the lower limit, the "Down" light
is on, and when the sample weight is within the upper and lower limits
range, the "Pass" light is on.

13
Setting
6.1 Unit Switching
The USS-DBS93(94) Waterproof Bench Scale offers four three units of “g”,
“kg”and “lb”. The unit selection function can be used to meet the unit
requirements in various usage situations.
In the weighing state, press the "UNIT" button to switch weight units.
14. In the power off state, press “POWER”to switch on the scale while
long press “MODE”, then “F---1”will be displayed;
15. Then press “MODE”four times, “UN-00”will be displayed;
16. Press “TARE”to switch options among “UN-00” “UN-01”and “UN-02”
(00, 01 and 02 stand for “g”,“kg”and “lb”respectively);
17. Press “POWER”to switch off the scale and the setting of weighing
unit is completed.

14
6.2 Screen Brightness
The USS-DBS93(94) Waterproof Bench Scale offers a function of screen
brightness setting, you can set your screen brightness according to the
ambient brightness.
1. In the power off state, press “POWER”to switch on the scale while
long press “MODE”, then “F---1”will be displayed;
2. Then press “MODE”five times, “br-0”will be displayed;
3. Press “TARE”to switch options among “br-0” “br-1” “br-2”and “br-3”
(0 means the brightest, 3 means the least bright);
4. Press “POWER”to switch off the scale and the setting of screen
brightness is completed.

15
Maintenance
7.1 Cleaning
•Turn off the power switch and remove power cord during
maintenance.
•Do not use any aggressive cleaning agents (solvents, abrasive
cleaning agents, etc.) or organic solvents to clean the scale.
Clean the scale using a piece of lint-free cloth which has been wet with
a mild detergent (soap) only.
7.2 Disposal
Disposal of equipment and packaging must be carried out by the
operator in accordance with relevant laws of the country or region in
which the equipment is to be used.

16
Troubleshooting
Problem: Display remains off after switching on.
Possible causes:
•Power cord is not connected
•Power line fuse blown
•Power transformer damaged
•Instrument faulty
Problem: Weight display is constantly changing or unstable.
Possible causes:
•Test bench vibration
•Electromagnetic field interference
•Power supply instability
Problem: Displayed value and actual weight are not consistent.
Possible causes:
•Not returned to zero before weighing
•Scale not leveled well

17
Technical Data
Model
USS-DBS93-30
USS-DBS94-15
Capacity
30 kg
15 kg
Readability
5 g
1 g
Repeatability
±10 g
±2 g
Linearity Deviation
±15 g
±3 g
Stabilization Time
Within 3 seconds
Pan Size
9 × 7.5 inches (235 × 190 mm)
Interface
RS232
Power
110V 60Hz AC
Dimensions
13.6 × 12.8 × 7.7 inches
Net Weight
7.72 lbs
Shipping Weight
8.82 lbs

Contact
Feel free to visit our website: www.ussolid.com
You can email us at [email protected]
You can call one of our friendly customer service representative at
[phone]