THEMIS QHW Weighing Scale Instruction Manual

THEMIS QHW Weighing Scale

Product Information

• Suitable for general weighing, check weighing, simple parts counting, percent weighing, accumulation, and units.
• Capacities available: 3kg to 30kg (6lb to 60lb)
• Rechargeable battery provides up to 70 hours of continuous use (without backlight)
• Large 24mm LCD with white LED backlight display
• 7 embossed membrane keys

Product Usage Instructions

INSTALLATION

Unpacking

1. Remove the scale from the carton.
2. Remove the protective covering.
3. Store the packaging for future use if needed.
4. Inspect the scale for any damage and ensure all components are included.

Installation

1. Remove the transport lock from the bottom of the scale base.
2. Place the scale on a level surface.
3. Install the ABS plastic pan on top of the scale base.
4. Install the stainless steel pan on top of the plastic pan.

Leveling
The scale is equipped with a level indicator located on the left side of the keyboard. Use the adjustable leveling feet located at the bottom of the scale until the bubble appears in the center of the indicator.

Power Connection

1. Connect the adaptor pin into the indicator adaptor jack located below the right side of the scale.
2. Connect the adaptor to your AC power socket. Ensure the socket outlet has a protective ground/earth contact.

Rechargeable Battery Operation
Note: Please charge the battery before using the scale for the first time.

• The symbol on the weight display indicates a low battery. Charge the battery with the AC power using the supplied battery charger.
• If the scale is used without proper charging, words will flicker on the display when approximately 1 hour of instrument usage is left, and it will shut off automatically.
• For battery maintenance, only use the supplied power adaptor.= Replace the rechargeable battery every three months when not in use. If the scale is not used for an extended period, remove the battery from the compartment to avoid leakage and store it in a sealed bag or box in a dry, temperate environment.

KEYBOARD AND DISPLAY

Keyboard

INTRODUCTION

• The QHW series weighing scales are suitable for general weighing, check weighing, simple parts counting, percent weighing ,accumulation and units conversion.
• Capacities from 3kg to 30kg (6lb to 60lb).
• Rechargeable battery provide up to 70 hours of continues use (with out backlight).
• Large 24mm LCD with white LED back light display.
• 7 embossed membrane keys.

INSTALLATION

Unpacking
When you receive the scale, inspect it to make sure that it is not damaged and that all are parts are included:

• Remove the scale from the carton.
• Remove the protective covering. Store the packaging and to use if you need to transport the scale later.
• Inspect the scale for damage.
• Make sure all components are included.
  1. Scale
  2. Adaptor
  3. Manual
  4. Stainless steel pan

Installation

• Remove transport lock from bottom of the scale base
• Place the scale on a level surface
• Place the ABS plastic pan on top of the scale base
• Install the stainless steel pan on top of the plastic pan

Leveling

• The scale is equipped with a level indicator located left side of keyboard
• Use the adjustable leveling feet located on the bottom of the scale until the bubble appears in the center of the indicator.

Power Connection

• Connect the adaptor pin in to the indicator adaptor jack. Adaptor jack is locating below the right side of the scale.
• Adaptor connects into your AC power socket. Plugable equipment must be installed near an easily accessible socket outlet with a protective ground/earth contact.

Rechargeable battery operation
Note: Please charge the battery before using the scale for the first time.

• The symbol on the weight display indicates that the battery is getting low. It means that it’s time to charge the battery with the AC power. If scale goes on being used without proper charging, words will flicker on the display.
• Approximately 1 hours of instrument usage are left; afterwards it will shut off automatically.
• Please use the supplied battery charger for charging the battery immediately,or scale cannot be used.

Charging the battery

• Before the first use, the battery should be charged by connecting it to the mains power supply for at least 12 hours.
• When the scale is plugged into the mains power the internal battery will be recharged.
• Verify that the AC power socket outlet is properly protected.
• Right side of the display there is an LED to indicate the status of battery charging. When the scale is plugged into the mains power the internal battery will be recharged.
• If the LED is green, the battery has a full charge.
• If it is red, the battery is nearly discharged
• If it is yellow, the battery is being charged.

Battery maintenance

• Do not use any other type of power adaptor than the one supplied with the scale.
• Recharge battery should be changed in every three months when not in use.
• If the scale is not used for an extended period of time,remove the battery from the battery compartment to avoid leakage.
• Store the battery in a sealed bag or box in a dry, temperate environment.

KEYBOARD AND DISPLAY

Keyboard

Display Symbols

OPERATION

Initial Start-up

Warm-up time of 15 minutes stabilizes the measured values after switching on.

Power On/Off
Power switch is located below the right side of the scale.

1. Turn the scale ON; press the switch forward and hold. The scale will show the capacity and enter a self-test mode and follow to enter the weighing mode.
2. Turn the scale OFF, press the switch forward once again.

Zero
Environmental conditions can lead to the balance exactly zero in spite of the platform not taking any strain. However, you can set the display of your balance to zero any time by pressing key and therefore ensure that the weighing starts at zero.

Tare
The weight of any container can be tared by pressing button so that with subsequent weighing the net weight of the object being weighed is always displayed.

1. Load weight on the platform.
2. Press key. Zero is displayed, and tare is subtracted.
3. Remove weight on the platform. Tared weight is displayed. It can set only one tare value. It will be shown with a minus value.
4. To clear the tare value, remove the load and press key. Zero is displayed, tare weight is cleared.

Select Weighing Units
Press key.It can select to kg/g/lb/oz in the weighing mode.

Percent Weighing

The scale can set a sample weight to be shown as 100%. Then any other weights place on the scale, it will be displayed as a percentage of the original sample.

Operation:

1. 350g weight place on the scale and follow by press the key is pressed the display will show 100.00%.
2. Remove the weight, and ensure display is zero
3. Place 300g weight on the platform, display will be show 85.71 % as per the percentage of 350g (100%)
4. Press key to return the scale to weighing mode.
   The weighing may be amended on the basis of greater numbers of samples, improves the accuracy of percentage large quantities.

Parts Counting

In the weighing mode, it can enable scale to enter parts counting mode.

Operation:

1. Place the parts ( pieces ) items on the pan, items must be placed according to parts options.
2. Press the key . Display shows P 10.
3. It can select the parts options by pressing key.
4. Parts options are P 10 / P 20 / P 50 / P 100 / P 200.
5. Press key when the displayed number matches the number of items used in the sample.
6. Scale will store the pieces according to the items.
7. It can add more pieces on the pan, display will be show the pieces according to the stored items.
8. Press key to display unit weight ( g / pcs) , Total weight (kg) and quantity ( pcs).
9. Press key to return the scale to weighing mode.

Tolerance checking

The weighing scales allow weighing items according to a target quantity or target weight or target percentage within specified tolerances. With this function one can also check if the weighing good is within a defined tolerance range. Reaching target quantity is indicated by an audio sound (if enabled in menu)
Note: Check weighing or counting available only when weight more than 20d

Limits setting for target weight

1. Press key to set the check weighing function in weighing mode.
2. Display will be show the indicator to set Hi-Limit and the first digit will be active. 000.000 kg.
3. Use and keys to shift location and press key to change the limit value, and press key to confirm.
4. Scale will be confirmed the Hi-Limit and display will be show the indicator to set Lo-Limit and the first digit will be active. 000.000 kg.
5. Use and keys to shift location and press key to change the limit value, and press key to confirm.
6. Limits setting completed and display will return to zero,Load the weight on platter,the check weighing control will start.

Limits setting for target quantity

1. Place the parts ( pieces ) items on the pan.
2. Press key to display P 10 option.
3. Press key to confirm and display will be come to counting mode.
4. Press key to set the check counting function.
5. Display will be show the indicator to set Hi-Limit and the first digit will be active. 000000 pcs
6. Use and keys to shift location and press key to change the limit value, and press key to confirm.
7. Scale will be confirmed the Hi-Limit and display will be show the indicator to set Lo-Limit and the first digit will be active. 000000 pcs.
8. Use and keys to shift location and press key to change the limit value, and press key to confirm.
9. Limits setting completed and display will return to zero,Load the weight on platter,the check counting control will start.

Limits setting for target percentage

1. Place the items on the pan.
2. Press key ,it will display 100%.
3. Remove the items,scale will be come to percentage mode.
4. Press key to set the check counting function.
5. Display will be show the indicator to set Hi-Limit and the first digit will be active. 0000.00 %
6. Use and keys to shift location and press limit value, and press key to confirm.
7. Scale will be confirmed the Hi-Limit and display will be show the indicator to set Lo-Limit and the first digit will be active. 0000.00 %.
8. Use and keys to shift location and press key to change the limit value, and press key to confirm.
9. Limits setting completed and display will return to zero,Load the weight on platter,the check percentage control will start .

To set beep mode

The beep sound depends on the settings made in menu block

Options:

To disable check weighing mode

1. Press the key to display current limits.
2. Press the key to enter zero into both limits when the current limits are shown,
3. Press the key to store the zero values.

Notes

• Check weighing available only when weight more than 20d
• The function is not valid when one enters a lower limit greater than the upper limit.
• When lower limits are the same with upper limits,display only shows one set value.

Accumulation

QHW can set to accumulate manually by pressing key or automatically.Before operation scale should be stable and return to zero, accumulation available only when weight more than 20d
To set the accumulation function to turn on, select the parameter ACC>ON Note: Accumulation function can operate only in weighing mode.

Manual Accumulation
In the normal weighing mode, ensure display is zero and stable indicator is on.

1. Place the items on the platform and press key, when the display get stable.
2. Display will be show ACC 1 and will show the total of the accumulation
3. The data will be sent to printer or PC if connected with printer or computer
4. Remove the weight from the pan for to get display zero and stable for the next accumulation.
5. Scale should be get stable and zero for the next accumulation.

It can continue 99 operations or until to reach the maximum value of display.

Recall Memory
Press key, when the display in the normal weighing mode, display will be show the accumulation times and will show the total values. These display will be show only two seconds.

Memory Clear
To clear the memory, press key to view and press key during the accumulation displayed. Display will be show normal display , all accumulation memory cleared from the memory

Automatic Accumulation
To enable the automatic accumulation,please see parameter AU>ON Scale will be do the accumulation automatically.

1. Place the items on the platform.
2. After stable, buzzer will be beep once.
3. Remove the weight from the pan .
4. Display will be show the accumulation times and total value, these display will be show only two seconds.
5. Display should be come to zero and stable for the next operation.

Printing
The weighing data can be printed out by pressing keys when connected with printer.To enable the printing function,please as per the following settings.

See detail parameters:

1. B9600
2. ACC ON
3. TP or LP-50,TP for receipt printer and LP-50 for label printer

Back Light Setting

1. Press and keys during that start up.
2. Press key until display show
3. Press key to select the sub menu options.
4. Press key to confirm.

Power Auto Off
After scale operations, when scale is not in use, it can set to turn off automatically

1. Press and keys during that start up.
2. Press key until display show
3. Press key to select the sub menu options.
4. Press key to confirm.

Check Internal Counts

1. Turn on the scale and press and keys during the self test. Display will be show internal counts.
2. Press key to return the scale to weighing mode.

CALIBRATION

Calibration in Pounds

1. Turn on the scale.
   Before enter the parameter,it’s required to press calibration switch,switch is locating below the scale.or it should be short the Jump Pin K4 in the PCB.

2. Press and keys together during the self-test from 9 to 0 on the display.

3. Display shows

4. Press key to change the unit to “lb”

5. Press key to confirm.

6. Display shows unload.

7. Remove all weights from the platform.

8. Press key when show stable indicator.

9. Display will be show a calibration weight point. When the display is not 000.000, press key to clear.If it is necessary, press , and keys to select desired calibration weight.

10. Press key, display shows “Load ”.

11. Place the desired calibration test weight on the platform.

12. Press key when show stable indicator,display shows “pass ”.

13. Scale will be restart and will be ready for normal operation, during the self-test remove test weights from the platform. If showed any error, try to do again the calibration.

Pounds test weights

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