Convert to Outlet Power: Increase Consistency for Lab Equipment

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In summary, the conversation is about a device in a lab that is currently powered by 3 D-cell batteries, but the batteries have recently died after three years of use. The lab workers are considering modifying the device to run on an outlet for increased consistency, but are unsure if it is possible or a good idea. The suggested solution is to replace the batteries with a wall transformer style power supply, but there are concerns about introducing ripple and other potential problems with unregulated and inefficient power supplies.
  • #1
ciufo88
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So, I work in a lab and something we use is powered by 3 D-cell batteries (we just found out after they died after three years of use, and deciding to pull it apart). We want to maybe make this run on an outlet for increased consistency, but don't know if that's possible/a good idea. Any input on how to do this would be great!
 
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  • #2
ciufo88 said:
So, I work in a lab and something we use is powered by 3 D-cell batteries (we just found out after they died after three years of use, and deciding to pull it apart). We want to maybe make this run on an outlet for increased consistency, but don't know if that's possible/a good idea. Any input on how to do this would be great!

Three alkaline cells give about 3 * 1.5V = 4.5V. You could replace them with a wall transformer style power supply, probably a 5V or 4.5V one. Check out your local Radio Shack store or equivalent.
 
  • #3
Cool, thanks, wasn't sure if it was as easy as that.
 
  • #4
1. If it operates three years on one set of batteries, why bother modifying it?
2. A cheap wall-wart power supply will introduce a fair amount of ripple to the power section of your device. That can have detrimental effect on operation and reliability.
3. Unregulated power supplies (many/most wall-warts are unregulated, or poorly regulated) may cause even more problems wit the operation of your device.
4. Just to cover all the bases... wall-warts are notoriously inefficient. Considering the small power needs of your device, the transformer in the wall-wart will be wasting most of the power consumed.
 

1. What is an outlet to DC conversion?

An outlet to DC conversion is the process of converting the alternating current (AC) from a standard wall outlet into direct current (DC) that can be used to power electronic devices. This is achieved through the use of a converter or transformer.

2. Why is outlet to DC conversion necessary?

Most electronic devices, such as smartphones and laptops, require DC power to operate. However, the standard power grid supplies AC power. Therefore, in order to use these devices, an outlet to DC conversion is necessary to convert the AC power into DC power.

3. How does outlet to DC conversion work?

Outlet to DC conversion works by using a converter or transformer to change the voltage and frequency of the AC power from the outlet into DC power. The converter or transformer consists of electronic components that regulate and convert the power to the appropriate level for the electronic device.

4. What are the benefits of outlet to DC conversion?

Outlet to DC conversion allows for the use of electronic devices that require DC power, such as smartphones and laptops. It also provides a more stable and consistent power supply, which can help prolong the lifespan of electronic devices.

5. Are there any safety concerns with outlet to DC conversion?

There are some safety concerns with outlet to DC conversion, as the process involves working with electricity. It is important to follow proper safety precautions and use reliable and high-quality converters or transformers to avoid any potential hazards. It is also recommended to have a certified electrician handle any electrical work if you are not experienced in this area.

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