---
product_id: 238594139
title: "Orno WE-521 LCD Digital AC Meter 1 Phase Display Power Consumption with MID Certificate and Pulse Output (with Backlight)"
brand: "orno"
price: "S$36"
currency: SGD
in_stock: true
category: "Orno"
url: https://www.desertcart.sg/products/238594139-orno-we-521-lcd-digital-ac-meter-1-phase-display
store_origin: SG
region: Singapore
---

# MID-certified precision Real-time LCD power display Pulse output for smart monitoring Orno WE-521 LCD Digital AC Meter 1 Phase Display Power Consumption with MID Certificate and Pulse Output (with Backlight)

**Brand:** orno
**Price:** S$36
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your efficiency with precision you can trust!

## Quick Answers

- **What is this?** Orno WE-521 LCD Digital AC Meter 1 Phase Display Power Consumption with MID Certificate and Pulse Output (with Backlight) by orno
- **How much does it cost?** S$36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/238594139-orno-we-521-lcd-digital-ac-meter-1-phase-display)

## Best For

- orno enthusiasts

## Why This Product

- Trusted orno brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact & Lightweight Design:** Sleek minimal form factor fits effortlessly into any industrial or home setup.
- • **Smart Pulse Output Integration:** Seamlessly connects with advanced systems for automated meter reading.
- • **Unmatched MID-Certified Accuracy:** Precision that meets strict EU standards for reliable energy tracking.
- • **Instant Power Consumption Insight:** Backlit LCD shows total energy use at a glance, keeping you in control.
- • **Non-Resettable for True Accountability:** Ensures tamper-proof energy data, perfect for billing or monitoring.

## Overview

The Orno WE-521 is a MID 2014/32/EU certified 1-phase digital AC meter featuring a backlit LCD for clear total energy consumption display, a tamper-proof non-resettable design, and pulse output for smart system integration. Compact and lightweight, it delivers precise, reliable power monitoring ideal for professional and residential use.

## Description

Orno WE-521 LCD digital AC meter, 1-phase display of power consumption with MID certificate and pulse output

## Features

- ✅ 【 Highest precision 】The device makes precise measurements according to the MID 2014/32 / EU directive.
- ✅ 【Energy consumption calculation basis 】MID certified devices can be used to calculate residents' energy consumption based on the specified power consumption. The device can never be reset.
- ✅ 【Power consumption indicator】The power consumption in the phase is indicated by a flashing LED. The number of impulses is converted into used energy and its value is shown on an LCD display (5 + 1).
- ✅ 【Total energy consumption】The LCD screen shows only the total energy consumption. If you need extended data, please search for the models WE-512, WE-514 and WE-515.
- ✅ 【Pulse output】Bietet Informationen zur Zählerablesung mithilfe eines Zählerimpulskonzentrators.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B088TJV5M4 |
| Best Sellers Rank | 660,849 in DIY & Tools ( See Top 100 in DIY & Tools ) 287 in Power Monitors |
| Brand | Orno |
| Colour | White |
| Compatible Devices | Industrial power meters, devices with power input and equipment that can be connected to an ammeter |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,026) |
| Included Components | 1 |
| Item Dimensions | 9 x 2 x 8 centimetres |
| Item Type Name | Home Light |
| Item Weight | 0.08 Kilograms |
| Manufacturer | ORNO |
| Manufacturer Part Number | SB-122 |
| Measurement Type | Ammeter |
| Minimum Operating Voltage | 110 Volts |
| Model Number | OR-WE-521 |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Warranty | 2 year manufacturer. |
| Specification Met | MID 2014/32/EU |
| Style Name | Minimal |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** Orno
- **Colour:** White
- **Item weight:** 0.08 Kilograms
- **Power source:** Battery Powered
- **Style:** Minimal

## Images

![Orno WE-521 LCD Digital AC Meter 1 Phase Display Power Consumption with MID Certificate and Pulse Output (with Backlight) - Image 1](https://m.media-amazon.com/images/I/51OMCJ2opSL.jpg)
![Orno WE-521 LCD Digital AC Meter 1 Phase Display Power Consumption with MID Certificate and Pulse Output (with Backlight) - Image 2](https://m.media-amazon.com/images/I/21YOX3RqjVL.jpg)

## Available Options

This product comes in different **Pattern** options.

## Questions & Answers

**Q: Will this retain the kWH used after a power cut?**
A: FYI: 'The device can never be reset.'

**Q: Is this an rcd with a power monitor incorporated into it? if so is it suitable for a uk consumer unit?**
A: This (WE-521/WE-519) is not an RCD (residual current device), it's just an energy meter. It is suitable for a UK consumer unit, I've installed one in the garage.

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-09-16*