U.S. Solid USS-DBS49 Instruction Manual Download Page 27 | Manualshive

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5.3 Percent weighing

The USS-DBS49 Analytical Balance has a percent weighing function.

1. Tap the

“

Percentage

”

icon on the

“

MODE

”

submenu page.

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Summary of Contents for USS-DBS49

Page 1: ...Instruction Manual USS DBS49 Analytical Balance ...

Page 2: ...Calibration 13 4 1 Display speed 13 4 2 Stability 14 4 3 Calibration 15 4 3 1 Internal calibration 16 4 3 2 Automatic internal calibration 17 4 3 3 External calibration 19 5 Weighing and Applications 21 5 1 Weighing 21 5 1 1 Unit of weight 22 5 2 Counting function 22 5 3 Percent weighing 25 6 System settings 28 6 1 Time and Date 28 6 2 Touch Calibration 29 6 3 Restore factory defaults 30 7 Mainten...

Page 3: ...ase 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 DBS49 Analytical Balance 1 1 Safety Precautions The U S Solid USS DBS49 Analytical Balance qualifies as state of the art technology and complies with all recognized safety rules Improper use or handling however can res...

Page 4: ... type adapted to the specification of the balance If excessive voltage is used the balance may overheat and be damaged or cause a fire Operate the balance on a stable rigid and flat table Handle the balance 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 p...

Page 5: ...3 2 Design and Function 2 1 Components 1 Weighing chamber 2 Weighing pan 3 Anti draft ring 4 Display panel 5 Glass door 6 Handle of glass door 7 Balance main body 8 Leveling foot ...

Page 6: ...4 1 RS 232 connector 2 Switch button 3 Level bubble 4 Power inlet ...

Page 7: ...Measuring result area 1 Weight value 2 Weight unit 3 Indicates positive or negative values Operating buttons area 4 Execute internal calibration 5 Print measuring result 6 Enter the menu page 7 Zero the value when in the no load state 8 Tare the balance ...

Page 8: ...nit Settings display area 10 Display speed currently selected 11 Stability currently selected 12 Automatic internal calibration mode currently selected 13 Indicates the current test mode Other area 14 Time and date 2 2 2 Menu ...

Page 9: ...ration Weight calibration including automatic internal calibration and external calibration 5 System Setting Set time and date perform touch calibration and restore factory defaults 6 Mode Test mode selection including weighing counting and percent weighing 7 System Information View the basic parameters of the analytical balance 8 Back Return to the home page ...

Page 10: ...ss The following accessories are part of the standard equipment for your new USS DBS49 Analytical Balance 1 Balance Main Body 1 Weighing Pan 1 Draft Shield 1 Power Cable 1 200g Calibration Weight 1 Glove 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 ...

Page 11: ... 30 C the relative humidity is around 50 and that non condensing conditions are met Avoid direct sunlight and ensure that there are not any excessive temperature fluctuations Ensure the balance is places a sufficient distance from heat sensitive materials in the vicinity of the instrument Avoid the effects of air currents from air conditioners ventilators open doors or windows Keep away from objec...

Page 12: ...r close 3 4 Leveling the balance Accurate horizontal positioning 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 analytical balance until the air bubble in the indicator is centered The level indicator is located under the cover towards the rear of the analyti...

Page 13: ...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 ...

Page 14: ...ource if it does not match Connecting a power cable a Insert the female end of the power cord into the power inlet located at the rear of the main unit b Plug the male end of the power cord into the outlet Note To obtain accurate results the analytical balance must be warmed up for at least one hour each time it is connected to an AC power source or after a power outage of more than 30 minutes Onl...

Page 15: ...duce the time required for the balance to stabilize thereby improving work efficiency Icons Description Slow Normal Fast Depending on the environment in which the instrument is used carefully select the display speed to avoid instability that might be caused by excessive speed 1 Tap the SPEED icon on the menu page to enter the selection of display speed ...

Page 16: ...ing to different operating environments the balance is kept in a relatively stable state by adjusting its stability It is recommended that the balance be adjusted appropriately in an environment that guarantees its normal operation Icons Description Stable More Stable Most Stable ...

Page 17: ...alibration Calibration is a necessary step to assure the analytical balance 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 Prior to each use The USS DBS49 Analytical Balance offers three calibration methods ...

Page 18: ...balance as instructed and ensure it is sufficiently warmed up When the balance is in the no load state 1 Tap CAL on the home page CAL Int will be flashing displayed 2 Then will be displayed and the balance starts automatic internal calibration ...

Page 19: ...9 Analytical Balance offers four kinds of automatic internal calibration time mode to choose from 10mins Internal Cal 30mins Internal Cal 60mins Internal Cal and Internal Cal Off Respectively these modes indicates that that the balance is automatically calibrated either every 10 minutes every 30 minutes every 60 minutes or the automatic calibration is off ...

Page 20: ...ero the balance in the weighing state by tapping ZERO 2 Tap MENU to enter the menu page 3 Tap the CALIBRATION icon to enter the calibration mode selection 4 Tap Internal Calibration to enter the time mode selection 5 Tap the desired time mode and confirm by tapping CONFIRM ...

Page 21: ...tate by tapping ZERO 2 Tap MENU to enter the menu page 3 Tap CALIBRATION icon to enter the calibration mode selection 4 Tap Single Point Calibration to enter the external calibration 5 Please put on the weight will be displayed and 200 0000g flashes 6 Put the calibration weight on the weighing pan Wait for a moment will be displayed The balance is performing calibration ...

Page 22: ...20 7 Then Please take away the weight will be displayed and return to the home page External calibration is completed ...

Page 23: ...s a stable state 4 Read the value displayed To weigh a sample that requires a container 1 Open the glass door of the weighing chamber and place the weighing container on the weighing pan then close the glass door again 2 Wait for the display to stabilize The appearance of the stability mark indicates a stable state Then tap the TARE icon to tare and the displayed value will return to zero 3 Open t...

Page 24: ... continuously to select desired units Note To avoid the deviation of the weighing record caused by unit misreading please ensure that the selected unit is the one required 5 2 Counting function The U S Solid USS DBS49 Analytical Balance has a built in counting function that meets various industrial counting requirements especially the counting function for small components To ensure the accuracy o...

Page 25: ...ODE submenu page 2 Tap on Sample Quantity in the top left corner to select the quantity of reference pieces 3 Tap on 0 0000g on the right of Single weight then put the reference pieces of the corresponding quantities on the weighing pan ...

Page 26: ...o save the result 5 Tap on 0 0000g on the right of Total weight and place the pieces to be counted on the weighing pan 6 Tap on the value again after it is displayed stably to save the result 7 Tap 0pcs on the right of Quantity and the result will be displayed ...

Page 27: ...25 5 3 Percent weighing The USS DBS49 Analytical Balance has a percent weighing function 1 Tap the Percentage icon on the MODE submenu page ...

Page 28: ...he right of Weight 1 then put the reference sample on the weighing pan 3 After the value is displayed stably tap on it again to save the result 4 Tap on 0 0000g on the right of Weight 2 and place the sample on the weighing pan ...

Page 29: ...27 5 Tap on the value again after it is displayed stably to save the result 6 Tap on 0 00 on the right of Percentage and the result will be displayed ...

Page 30: ... each setting 6 1 Time and Date 1 Tap Time Date in the system setting submenu 2 Tap on one of the components year month day hour minute second then use the arrows directly below it to select the desired number Continue with all six components to set the date and time ...

Page 31: ...29 6 2 Touch Calibration 1 Tap T Calibration in the system setting submenu 2 Follow the prompts to perform the touch calibration ...

Page 32: ... to be abnormal and unstable the stability of the balance can also be adjusted by restoring the factory settings 1 Tap MENU to enter the menu page 2 Tap the SYSTEM SETTING icon to enter the system setting page 3 Tap Factory Setting and confirm by tapping Confirm to restore factory defaults The setting is only applicable to situations where settings are confusing due to incorrect operation Factory ...

Page 33: ... height onto the weighing pan 3 Do not expose the balance to high humidity or dusty conditions for an extended period of time 4 When the balance is not to be used for a long time cover it with to prevent dust from entering 5 When weighing powder and fine particles should be done with a suitable container to prevent dust and particles from falling into the load cell below the weighing pan 6 Wear a ...

Page 34: ...e balance using a piece of lint free cloth which has been wet with a mild detergent soap only Removing the sliding glass doors for cleaning 1 Remove the pan and anti draft ring from the weighing chamber 2 Unscrew and remove the inside knob on the glass door 3 Slide the glass door out backwards 7 3 Disposal Disposal of equipment and packaging must be carried out by the operator in accordance with r...

Page 35: ... display is constantly changing or unstable Possible causes The sample pan is in contact with the draft shield or heating chamber Glass draft shield is not closed Test bench vibration Electromagnetic field interference Power supply instability Problem Displayed value and actual weight are not consistent Possible causes Not calibrated before weighing Not returned to zero before weighing Balance not...

Page 36: ...34 8 2 Error code Error code display Description Err Calibration operation error Err 1 Counting setting error Err 2 The weighing pan is not placed correctly Err 3 Sample weight exceeds range ...

Page 37: ...g Repeatability 0 0002g Linearity deviation 0 0003g Stabilization time Within 3 seconds Operating temperature 63 5 72 5 17 5 22 5 Display panel type Touch screen Pan size Φ80mm Interface RS232 Power 110V 60Hz AC Dimensions 340 215 350 mm Net weight 6 5kg Shipping weight 10 0kg ...

Page 38: ...36 Contact Feel free to visit our website www ussolid com You can email us at service ussolid com You can call one of our friendly customer service representative at 1 800 209 4177 ...

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