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SGA power adapters up to 60W

09.07.2016

Mean Well has released a new family of narrow adapters (SGA) that plug directly into an electrical outlet (wall mounted). The family consists of five series SGA12E, SGA18E, SGA25E, SGA40E, SGA60E with output power from 12W to 60W. A feature of the adapters is that they all have compact dimensions and are inserted into an electrical outlet up to a power of 60 W, and there is still room for neighboring devices (if a multi-seat socket is used).

The width of the body of the most powerful adapter does not exceed the inner diameter of the socket. The SGA12E series has a model (SGA12E05-USB) with a USB output for charging various energy-intensive gadgets with a charging current of up to 2,4A (smartphones, tablets, etc.). The adapters meet international EISA 2007/DoE (Level VI) energy efficiency requirements with ultra low idle power consumption (<75/150 mW depending on voltage).

To connect to the device, the adapters have a standard connector with dimensions of 2,1x5,5x11 mm. All products have protection against short circuit, overload, overvoltage, and in terms of electrical safety they correspond to class II (protective grounding is not required). Adapters can be used to power various household and industrial devices, office and telecommunications equipment.

Main technical parameters of SGA family adapters

Output power from a range of 12/18/25/40/60W
Output voltage from a range of 5/7,5/9/12/15/18/24/48 V
Input voltage range 90-264V
Dielectric strength input-output 4242 VDC
II class for electrical safety
Case Width 27,4mm (12W); 32mm (18/25/40W); 35 mm (60 W)
3 year warranty

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Wasabi saves ancient papyri 04.03.2024

In the study, the scientists found that wasabi was an effective means of preserving ancient papyrus infected with fungi. The use of wasabi allows you to disinfect papyri without causing damage to them.

The problem of biodamage to papyri is global, especially in the Grand Egyptian Museum. Fungi actively develop on the surface of papyrus, but the use of chemical disinfectants can cause additional harm. In this regard, scientists are looking for environmentally friendly methods to combat the problem.

It turned out that wasabi can effectively combat fungi without changing the appearance of papyrus or damaging its fragile structure. In addition, processing with wasabi increases the strength of papyrus by 26%.

As part of the experiment, scientists applied wasabi paste to aluminum foil, placing it next to copies of papyrus. Previously, the papyrus sheets were subjected to aging, painting in various colors and exposure to several types of fungi.

After treating with wasabi for three days, fungal contamination of papyrus was effectively eliminated. A repeat test a month later confirmed the effectiveness of this method.

This disinfection method can greatly assist archaeologists and museums in preserving ancient papyri, which are valuable sources of information about the cultural heritage of Ancient Egypt, Ancient Greece and the Roman Empire.

The use of wasabi as a disinfectant opens new perspectives in the preservation of ancient papyri, providing archaeologists and museums with an effective and safe method for preserving historical artifacts.

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