Top 5 Tests for Tablet PCs

By John Niggl

Just how large is the tablet PC market?

216 million tablet PCs were sold in 2014.

Source: Gartner (January 2015)

Gartner predicts that tablet sales will

surpass traditional PC sales in 2015.

…and did I mention the tablet PC market is

competitive?

Source: IDC Worldwide Tablet Tracker

With so many major players in the tablet PC

market…

How can you compete?

By making sure that you’re manufacturing a

quality product!

…how do you do that?

Conduct these Top 5 Tests for Tablet PCs

during your next product inspection!

Touch screens are a vital component

of tablet PCs.

Any quality factory that manufactures

tablet PCs should be equipped with a

testing machine.

Use a testing machine to verify

responsiveness and longevity of the touch

screen function.

Use a testing machine to verify

responsiveness and longevity of the touch

screen function.

A tablet PC should be tested for at least 30,000

cycles to simulate lifetime usage.

Battery capacity and

charge/discharge should be tested.

Test battery lifespan by:

2. Playing video at maximum volume until the

battery expires.

1. Fully charging the tablet PC

As with a screen testing machine, a well-

equipped factory should be able to

provide a battery charger.

To test battery charge/discharge:

To test battery charge/discharge:

1. Remove the battery protection board

To test battery charge/discharge:

2. Charge and discharge the battery 20 cycles

1. Remove the battery protection board

To test battery charge/discharge:

2. Charge and discharge the battery 20 cycles

1. Remove the battery protection board

3. Compare the actual capacity found to the rated capacity

If battery capacity tested is less than the rated

capacity, the tablet fails this test.

Screen separation is a common problem seen with

lower-quality tablet PCs.

Tablets should be tested for screen adhesion to ensure

that screens won’t easily separate from the tablet

during normal use.

To test screen adhesion:

To test screen adhesion:

1. Apply 3M tape to the tablet screen

To test screen adhesion:

2. Tear the 3M tape off the screen

1. Apply 3M tape to the tablet screen

To test screen adhesion:

2. Tear the 3M tape off the screen

1. Apply 3M tape to the tablet screen

3. Check that the screen is still firmly in place

An important part of product inspection for tablets,

vibration testing involves the use of a vibration table.

Vibration testing simulates forces products are

subjected to during transportation and shipping.

The International Safe Transit Association (ISTA) provides

procedures for vibration and related testing for consumer

products.

To conduct vibration testing for tablet PCs:

To conduct vibration testing for tablet PCs:

1. Use units that have already passed AQL defect

inspection

To conduct vibration testing for tablet PCs:

2. Place units in their retail packaging on the vibration

table running

at 200RPM for 2 hours

1. Use units that have already passed AQL defect

inspection

To conduct vibration testing for tablet PCs:

2. Place units in their retail packaging on the vibration

table running at 200RPM for 2 hours

1. Use units that have already passed AQL defect

inspection

3. Check the units for functionality and performance

If the units tested maintain full functionality and

performance, the tablets have passed vibration testing.

Environmental testing for products simulates how

extreme conditions can affect product functions.

In the case of tablet PCs, it’s important to

check functionality after prolonged exposure

to high temperature and humidity.

An environmental chamber, or climate

chamber, is an enclosure used to carry

out such testing.

A number of standards for environmental chambers

exist, including:

A number of standards for environmental chambers

exist, including:

• International Organization for Standardization (ISO)

A number of standards for environmental chambers

exist, including:

• International Organization for Standardization (ISO)

• American Society for Testing and Materials (ASTM)

A number of standards for environmental chambers

exist, including:

• International Organization for Standardization (ISO)

• American Society for Testing and Materials (ASTM)

• The Institute of Environmental Sciences and

Technology (IEST)

To carry out environmental testing for tablet PCs:

To carry out environmental testing for tablet PCs:

1. Keep the units in an environmental chamber with a

temperature

of 55 C +/- 2 C and a humidity of 85% for 8 hours

To carry out environmental testing for tablet PCs:

1. Keep the units in an environmental chamber with a

temperature

of 55 C +/- 2 C and a humidity of 85% for 8 hours

2. Check the tablets’ functions and performance

If the units tested maintain full functionality and

performance, the tablets have passed environmental

testing.

That’s it!

Below are just a few companies that have

benefited from working with us.

Think you might want product inspection

help from QC experts?

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can too.

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