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🔌 enhance efficiency and safety with the mophorn transformer voltage automatic regulator logo

🔌 Enhance Efficiency and Safety with the Mophorn Transformer Voltage Automatic Regulator Review

3

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Very good

Revainrating 4.5 out of 5  
Rating 
4.7
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Description of 🔌 Enhance Efficiency and Safety with the Mophorn Transformer Voltage Automatic Regulator

Built-In Cooper Coil: The voltage transformer is constructed with built-in copper coil for durability and high efficiency. More secure and durable and with no waveform distortion. AC Power Supply Adjustable: This is a brand new variable power supply. Input is single phase 110V AC, 60 Hz, output voltage can be adjusted from 0 to 130V AC. Maximum power rating is 2000 VA. Compact & High Accuracy: Featuring clear voltage output meter, and precise metal pressure gauge, the ac power supply is designed with high grade accuracy and compact for easy transport. 5 Security Protections: Featuring a high accuracy, reliability and perfect limit current protection, thermal protection, voltage overload protection, short-circuit protection. A grounding port designed onto the device for much more stable and secure protections. Wide Application: Widely used for motor speed control, label printing machine, labs, test for railroad switching, power supplies, satellite, equipment, telecommunication equipment, etc.

Reviews

Global ratings 3
  • 5
    2
  • 4
    1
  • 3
    0
  • 2
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Type of review

Revainrating 5 out of 5

Actual 0-150V

Just received and not yet tried with a load. It is well made and looks very solid. The small built in voltmeter is as accurate as you would expect from a small analog meter. The real catch is that at a nominal 120V input voltage, that variac range is 0-150V, not 0-130V as advertised. The problem is that the scale under the handle is marked 0-130V so the scale reading is nowhere near the actual output voltage. This is not a problem for me as I will be monitoring the output with a digital meter…

Pros
  • Ideal for a small house
Cons
  • Doubtful purchase for the elderly

Revainrating 5 out of 5

Exactly what I needed.

, I needed a Variac for circuit troubleshooting and it fits the bill - you can't beat the price, the performance was just what I needed, and it arrived quickly and well packaged, which is important when considering how heavy they are. I particularly liked the digital voltage display instead of the analog display. The first thing I did out of the box was benchmark the calibration and output with both a digital and analog voltmeter, and while it wasn't absolutely perfect, the product I got was…

Pros
  • Everything is fine!
Cons
  • Dear

Revainrating 4 out of 5

Works as it should but.

It works exactly as it should, but do yourself a favor and ignore the scale/wheel at the top that shows the output voltage. This sensor is useless as it doesn't take into account the voltage from the source (your outlet). For example, if your input voltage varies from 114V to 123V, the output voltage will change for the same wheel position. So just use the front display, it's close enough. I measured the accuracy of the front LCD with a DMM and it changed a bit from time to time, but it was ok.

Pros
  • This is amazing
Cons
  • Some bugs