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⚡ Power up your control with KETOTEK’s 6-in-1 energy wizard!
The KETOTEK Energy Meter AC40-300V 100A is a compact, multifunctional digital meter that simultaneously measures voltage, current, power, energy, frequency, and power factor. Built with flame-retardant ABS and precision chips, it ensures safe, reliable monitoring for professional and home electrical systems. Its din rail design with built-in current transformer offers easy installation and real-time energy insights, making it a top choice for efficiency-conscious users.







| ASIN | B095LYZWYV |
| ASIN | B095LYZWYV |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #255,461 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #152 in Power Monitors #614 in Voltage Testers |
| Color | multiple colors |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,050) |
| Customer reviews | 4.6 4.6 out of 5 stars (2,050) |
| Date First Available | 18 April 2022 |
| Date First Available | 18 April 2022 |
| Included components | Energy Meter, User Manual |
| Item Package Quantity | 1 |
| Item Weight | 141 g |
| Item model number | D52-2047HD |
| Item model number | D52-2047HD |
| Manufacturer | KETOTEK |
| Manufacturer | KETOTEK |
| Part number | D52-2047HD |
| Product Dimensions | 5.4 x 6.4 x 8 cm; 141 g |
| Product Dimensions | 5.4 x 6.4 x 8 cm; 141 g |
| Voltage | 230 |
R**S
easy to read
works well, east install, BRIGHT display. great value
J**B
Medidor de calidad
Despues de 12 años de uso, ha dejado de funcionar mi medidor Ketotek, me mide parcialmente por que un condensador ha calentado el cable plano qye lleva en su interior, tenia el sencillo, sin contador. Ahora he comprado el superior, wue tiene contador, y va perfectamente, facil de instalar y con instrucciones. Medicion exacta. Recomiendo el producto. El tamaño viene a ser tres magnetotermicos DPN. Es muy facil de instalar no necesita ser electricista pero si debe mantener unas medidas de seguridad, desconecte la electricidad del ICP o del Termico general de entrada. Mida que no haya corriente y siga las instrucciones de montaje. Puede pasar por el orificio tanto la fase como el neutro, solo uno. Tiene que alimentar desde el termico de alumbrado 10A con cable de 1.5mm el medidor Ketoket, en el tornillo 1 fase, en el 2 neutro. Si la instalacion es antigua puede ponerlo en cuadro ICP. Si es mas moderna en su cuadro y si no cabe, en uno exterior encima del cuadro. Pude ponerlo delante o detras del diferencial pero siempre protegido por delante de un termico y su alimentacion al de 10A.espero wue le pueda servir a slguien mi explicacion.
E**.
Instalaciones
Utilidad
M**V
Très bien
Utilisé pour enregistrer sur une année l'utilisation de ma wallbox pour recharger une voiture électrique. Fonctioinnel, lisible, complet.
G**S
An excellent tool for diagnosing and detecting abnormal consumptions
I have installed three units (one per each phase) as a replacement for old analogic amperemeters. Easy installation and works fine providing good information allowing me to check the consumptions of every distribution line at home by switching on and off each individual circuit. Unbalanced phases can be easily recognized in the display numbers if any. I found it quite useful for detecting a switched off LED lights circuit (30 lamps) that was permanently consuming more than 200W. Since the lamps were dimmed to a minimum (and not totally switched off) I was not aware of the consumption amount due to that fact. The reduction in my electricity bill will rapidly pay the investment made in these units and in two new switches. I include photos of the replaced analogic amperemeters and of the new units installed.
Trustpilot
1 month ago
4 days ago