--- product_id: 110420898 title: "B0136" brand: "ketotek" price: "212 zł" currency: PLN in_stock: true reviews_count: 13 url: https://www.desertcart.pl/products/110420898-b0136 store_origin: PL region: Poland --- # 20A Current 4-in-1 Display 0-9999kWh Energy B0136 **Brand:** ketotek **Price:** 212 zł **Availability:** ✅ In Stock ## Summary > 🔌 Power Up Your Precision Monitoring! ## Quick Answers - **What is this?** B0136 by ketotek - **How much does it cost?** 212 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/110420898-b0136) ## Best For - ketotek enthusiasts ## Why This Product - Trusted ketotek brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Data Safety First:** Automatic data storage ensures you never lose your readings. - • **Smart Overload Alerts:** Never miss a beat with flashing alarms for power overloads. - • **Versatile Applications:** Perfect for indoor use, making it a must-have for any electrical project. - • **User-Friendly Interface:** Large LCD display with backlight for easy reading in any environment. - • **Precision Power Monitoring:** Stay ahead with real-time voltage, current, power, and energy readings. ## Overview The KETOTEK Voltmeter Ammeter is a versatile 4-in-1 electric circuit tester designed for precise monitoring of voltage, current, power, and energy. With a robust ABS construction, it features a large LCD display, power overload alarms, and data storage capabilities, making it an essential tool for professionals managing electrical systems. ## Description KETOTEK Voltmeter Ammeter, 20A 80-260V Electric Circuit Tester, LCD Display Multimeter with Power Overload Alarm, Energy Reset, Backlight Control, Data Storage when Power Off ## Features - 【4 in 1 Multimeter】 Large LCD display. This Voltmeter Ammeter can detect and display voltage, current, active power, and energy at the same time. Made in ABS material. - 【Electrical parameter test range】 Voltage test range: 80~260V; Current test range: 0~20A; Power test range: 0~4.5kW; Energy test range: 0~9999kWh. This Voltmeter Ammeter is suitable for most of place, please do not exceed the rated parameters. - 【Power overload alarm function】 Set power alarm threshold, when the detected power value is over the threshold, the backlight and power will flash to alarm. - 【Multi Functions】 Backlight control function; Energy reset function; Power overload alarm function; Data storage when power off. - 【Pay attention】 This voltmeter is easy to connect, it is suitable for indoor, please don't use outdoor. Please connect according to the wiring diagram. This product is not suitable for inverter, unless you have tested that the waveform and frequency of the inverter are exactly the same as the mains, and there is no excessive glitch interference. This voltmeter cannot be used in autotransformer, thyristor circuit or load. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | KETOTEK | | Part number | PZEM-021 | | Item Weight | 80 g | | Product Dimensions | 8 x 5.5 x 6.5 cm; 80 Grams | | Item model number | KT-D136 | | Size | AC 80-260V 20A | | Colour | Black | | Style | 20A | | Material | Abs | | Power source type | Corded Electric | | Specification met | energy | | Batteries included? | No | | Batteries Required? | No | ## Images ![B0136 - Image 1](https://m.media-amazon.com/images/I/51EUUy9mcZL.jpg) ![B0136 - Image 2](https://m.media-amazon.com/images/I/51K72zwdHdL.jpg) ![B0136 - Image 3](https://m.media-amazon.com/images/I/51DUOGGSvzL.jpg) ![B0136 - Image 4](https://m.media-amazon.com/images/I/51qYxr19m+L.jpg) ![B0136 - Image 5](https://m.media-amazon.com/images/I/612rK+-97qL.jpg) ## Available Options This product comes in different **Style Name** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Great, does just the job *by A***R on Reviewed in the United Kingdom on 24 April 2022* I was concerned to monitor my PC power usage as it is left on 24 hours in order to do backups etc.I used a C13 'kettle' plug extension cable, which I cut in half and then wired both end to the monitor so that I can put it in line with any device that uses a kettle plug power lead.The accumulated KWh seems to be accurate. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Easy to ise *by J***1 on Reviewed in the United Kingdom on 9 August 2019* Good piece of kit ### ⭐⭐⭐⭐ 4.0 out of 5 stars Good Visual Monitor *by A***L on Reviewed in the United Kingdom on 9 August 2022* Installed quite easily - screen a bit difficult to read if you are at the wrong angle but seems to show the required readings okay. There is a back-light too. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/110420898-b0136](https://www.desertcart.pl/products/110420898-b0136) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-23*