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Description
Adjustable Power Supply KA3005D 30V 5A Precision Digital Programmable Laboratory Switching DC Power Supply 220VAdjustable Power Supply KA3005D 30V 5A Precision Digital Programmable Laboratory Switching DC Power Supply 220V Main features: Compact Design Dual 4 Digit LED Displays Digital Controls Output switch control 4 sets of parameters can be stored inside for fast recall Keyboard Lock to prevent accidental changing of set parameters Circuit protection for over load, short circuit and over temperature. Automatic switching between mA and A display Quiet
Adjustable Power Supply KA3005D 30V 5A Precision Digital Programmable Laboratory Switching DC Power Supply220V
Main features:
Compact Design
Dual 4 Digit LED Displays
Digital Controls
Output switch control
4 sets of parameters can be stored inside for fast recall
Keyboard Lock to prevent accidental changing of set parameters
Circuit protection for over load, short circuit and over temperature.
Automatic switching between mA and A display
Quiet variable speed fan
Operating Conditions:
Input voltage: 220V +/-10%
Frequency range: 50- 60Hz
Operating temperature: 32-104 F (0-40 ºC)
Operating temperature: 32-104 F (0-40 ºC)
Operating humidity: < 80%RH
Storage temperature: 32-158 F (0-70 ºC)
Storage humidity: < 70%RH
Stable Voltage:
Output Voltage Range: 0-30V Continuously adjustable
Setup Resolution: 10 mV
Setup Resolution: 10 mV
Setup Accuracy: <0.05% +20 mV
Ripple: < 1mVRMS
Read back Accuracy: 10 mV
Temp. Coefficient: < 0.1% + 10mV
Read back Temp. Coefficient: < 100 ppm+10 mV
Stable Current:
Output Current Range: 0-5A Continuously adjustable
Setup Resolution: 1 mA
Setup Accuracy: <0.1% +3 mA
Ripple: < 3mARMS
Read back Accuracy: 1 mA
Temp. Coefficient: < 0.1% + 5mA
Read back Temp. Coefficient: < 100 ppm+5 mA
Weight: 9.5 lbs. (4.3 Kg)
Dimensions: 4.3 x 6.1 x 10.25 inches (110 x 156 x 260mm)
20A meter probe
Before Shipping:
Our QC Will Test the LCD and Assure it is 100% Good Function Before Shipping.
Before Shipping:
Our QC Will Test the LCD and Assure it is 100% Good Function Before Shipping.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Great product!
Love this product. Lightweight and feels great on the skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
★★★★★ 5
Helped My Texture & Pores So Much
Size: 2.03 Fl Oz (Pack of 1)
I bought this mainly to help with skin texture and the appearance of my pores, and it has honestly worked really well. After using it consistently, my skin feels noticeably smoother and looks more refined overall.
I’ve especially noticed a difference around areas where I tend to have larger pores and uneven texture. My skin looks softer, more even, and makeup applies much more smoothly now.
The serum itself feels lightweight, absorbs nicely, and doesn’t leave my skin sticky or greasy. It layers well with the rest of my skincare routine and hasn’t irritated my sensitive skin at all.
I also love that the jumbo size lasts a long time, so it feels like a really good value for the amount you get. Definitely happy with this purchase and would repurchase again!
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Surprisingly Effective – Smoother, Firmer, More Hydrated Skin!!!
Size: 1.01 Fl Oz (Pack of 1), Size: 1.01 Fl Oz (Pack of 1)
I decided to try the FRANKLY Closer Serum after seeing it listed as Amazon’s Choice and noticed it had been purchased 6K+ times in the past month and I can see why! This serum has been a great addition to my skincare routine.
The texture is lightweight and absorbs quickly, leaving no sticky residue. It feels hydrating right away, and over time, I’ve noticed my skin looks smoother and more refined, especially around my pores and T-zone. It doesn’t clog pores, which is important for my acne-prone skin, and it layers well under makeup or sunscreen.
I appreciate the powerhouse ingredients like 9 peptides, vegan collagen, adenosine, and PHA they’ve helped improve my skin’s elasticity and texture without irritation. The glow is real, and I can see that “glass skin” look starting to come through with consistent use.
The 1.01 fl oz size may seem small, but a little goes a long way. The pump bottle is hygienic and easy to use, and the overall packaging feels clean and modern.
If you’re looking for a gentle, multi-tasking anti-aging and pore-refining serum, this one is a great value and it lives up to the hype.
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Reviewed in the United States on July 15, 2025
★★★★★ 5
The best pore reducer, even on older complexions!
Size: 2.03 Fl Oz (Pack of 1)
Nothing has ever worked reducing my enlarged cheek and nose pores over the years. Now I've finally found something that works. By the second day there was noticeable results and by the end of the first week even the small wrinkles under my eyes was gone! I use it with my normal skin care routine but I won't do without this again.
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Reviewed in the United States on April 8, 2026
★★★★★ 4
Good and Hydrated
Size: 1.01 Fl Oz (Pack of 1)
It’s very good and hydrates very well. Not a fast or much improvement on pores. But very good to hydrate your skin.
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Reviewed in the United States on April 1, 2026