Digital Energy Meter Manufacturers & Supplier serving Al Wakrah

Engineered for Qatar's Extreme Climatic Demands, Industrial Free Zones, Commercial Sub-metering, and KAHRAMAA Modernization Directives

Product Portfolio

High-Precision DIN Rail Energy Meters & Control Switchgear

Comprehensive low-voltage digital metering, automated cycle controllers, and programmable intelligent switches tailored for distribution assemblies in Al Wakrah and greater Doha.

Time Relay TORT7 Series Delay-ON Delay-OFF 10in1 Asymmetric Cycler Time Relay

TORT7 Series 10-in-1 Asymmetric Cycler Delay Timer Switch

0.1s to 10-day pulse generator interval relay. Multi-function DIN-rail mount for alternating pump and HVAC cycle protection.

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Smart Control TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail

TOS6-40 Bluetooth Time Control Switch 35mm DIN Rail 40A

AC85-265V heavy-duty 40A contact rating. Dual 35mm DIN-rail and wall-mount capability with automated countdown and infinite looping.

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7-Day Digital TOMZN 1NO 1NC Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH

TOMZN 1NO+1NC Single Phase 7-Day Programmable Digital Timer

Weekly recurring automated multi-schedule time switch. Built-in lithium battery backup for non-volatile parameter retention during outages.

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Bluetooth IoT TOMZN TOS7-B Bluetooth Smart Timer Switch 40A 63A

TOMZN TOS7-B Bluetooth Smart Timer Switch 40A/63A

App-orchestrated 28-group dynamic timing loop. Seamless EasyCon smartphone synchronization for distribution board load management.

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Wall Mount TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A 30A

TOMZN Bluetooth Smart Timer Switch 85-265VAC 10A/30A

Compact surface-mounted programmable interval controller with 28 timing groups for commercial lighting arrays and ventilation fans.

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Single Phase TOMZN New Type Din Rail Single Phase Weekly 7 Days Programmable Digital TIME SWITCH

TOMZN New Type DIN Rail Single Phase Weekly Digital Switch

High-contrast LCD digital interface supporting 16A switching capacity across 12V, 24V, 48V DC and 220V/230V AC multi-voltage setups.

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IoT Metering TOB9e-63M WiFi Smart Breaker with Energy Metering

TOB9e-63M WiFi Smart Breaker with Integrated Energy Meter

Direct kilowatt-hour (kWh), voltage, current, and active power measurement combined with remote overcurrent trip and app automation.

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Multi-Parameter 63A 80A Adjustable Voltage Protector with Energy Meter kWh

63A/80A Adjustable Voltage Protector with Dual kWh Meter

Comprehensive under/overvoltage protection relay combined with precision sub-metering display for volatile grid stabilization in coastal zones.

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24+ Years Engineering Heritage
5,700m² Verified Production Plant
0.5s IEC Metering Class Precision
100+ Global Export Markets
Technical Whitepaper

Next-Generation Sub-Metering Architecture in Coastal Qatar

Analyzing electrical load profiling, thermal de-rating dynamics, and communication telemetry for industrial and commercial distribution boards across the Municipality of Al Wakrah.

Thermal & Dielectric Integrity

Al Wakrah experiences sustained summer ambient peaks exceeding 50°C accompanied by relative humidity levels surpassing 85%. Standard commercial meters suffer premature capacitor dry-out and micro-controller drift. Our digital energy meters utilize industrial grade bimetals, high-temperature electrolytic capacitors rated up to 105°C, and V0 flame-retardant polycarbonate enclosures to prevent thermal degradation within tight secondary distribution enclosures.

Harmonics & True RMS Accuracy

Modern commercial infrastructure across Al Wakrah Logistic Park and local hypermarkets utilizes heavy non-linear loads, including variable frequency drives (VFDs) for district cooling chillers and high-efficiency LED arrays. Our energy meters employ high-speed DSP (Digital Signal Processing) chips executing True RMS sampling up to the 31st harmonic order, avoiding measurement discrepancies commonly observed with basic average-responding instruments.

Telemetry & Multi-Protocol Bus

Seamless integration into building management systems (BMS) and SCADA environments is standard. Equipped with galvanically isolated RS-485 Modbus-RTU ports, M-Bus protocols, and optional LoRaWAN/WiFi interfaces, our digital meters allow facilities engineers to pull instantaneous electrical metrics—kWh, kVARh, PF, THD, V, and A—into local central monitoring dashboards or cloud energy analytics engines.

Localized Engineering Applications

Mission-Critical Deployments Across Al Wakrah & Southern Qatar

From marine logistic hubs to commercial district cooling substations, how our hardware provides precision data and circuit reliability.

Al Wakrah Logistics Park

Multi-tenant warehousing and cold-chain refrigerated storage complexes demand granular branch circuit sub-metering. By assigning Class 1.0 DIN-rail meters per bay, management automates exact utility tenant cross-charging while monitoring peak demand surges.

Ezdan & Residential Villages

High-density residential compounds across Al Wakrah and Al Wukair utilize multi-tier sub-distribution panels. Integrating DIN rail compact single-phase and three-phase meters provides landlord visibility into consumption anomalies and HVAC load distribution.

District Cooling Thermal Sub-stations

Heavy chiller compressors and chilled water secondary pumping stations generate dynamic reactive power. Our multi-function energy analyzers log power factor (PF) and active power in real-time, helping plant operators avoid KAHRAMAA low-power-factor penalties.

Rooftop Commercial Solar Systems

Under Qatar's expanding distributed solar initiatives, bi-directional 4-quadrant digital meters installed in PV combiner boxes precisely log both forward imported energy and reverse solar export energy, ensuring full transparency in micro-grid balancing.

Engineering Reference

Technical Specification & Meter Selection Matrix

Review engineering attributes to match exact project requirements across commercial buildings, panel shops, and utility sub-distribution.

Meter Series / Category Measurement Scope Accuracy Standard Communication Protocol Target Local Application
Direct Connect Single Phase (DIN Rail) Active Energy (kWh), Voltage, Current, Power Factor Class 1.0 (IEC 62053-21) RS-485 Modbus-RTU / Pulse Output Residential Compounds, Ezdan Villas, Light Commercial Units
CT-Operated Three Phase Meter Bidirectional Active & Reactive Energy, 4-Quadrant, THD Class 0.5s (IEC 62053-22) Modbus-RTU / M-Bus / DLMS Ready Logistics Park Main Switchboards (MDB), Factories, Pumping Stations
IoT Smart Circuit Metering Breaker kWh, Live Power, Overload, Under/Over Voltage Cutoff Class 1.0 Active WiFi / Bluetooth / Cloud Gateway Commercial Server Racks, Remote Telecom Shelters, Retails
Multi-Function Energy Analyzer V, I, Hz, kW, kVA, kVAR, Harmonics to 31st Order Class 0.5s / Class 0.2 Ethernet TCP/IP, Dual RS-485 District Cooling Plants, Mesaieed Border Industrial Complexes
DIN Rail Time Cycle Controller Programmable Cyclic Interval Switching (0.1s - 10 days) Time Base Quartz Drift < 1s/day Dry Contact Output / Bluetooth Config Al Wakrah Municipal Lighting, Water Circulation, Dual Pump Alternation
Regional Market Trends

Macro Drivers Shaping Power Sub-Metering in Al Wakrah

Alignment with national sustainability roadmaps and municipal digital infrastructure upgrades.

Qatar National Vision 2030 (QNV 2030)

The state of Qatar has mandated progressive sustainability targets requiring significant reduction in per capita electricity consumption. Sub-metering systems are no longer voluntary; commercial real estate developers in Al Wakrah must provide verifiable energy audits to achieve high GSAS (Global Sustainability Assessment System) ratings for new building accreditations.

KAHRAMAA Smart Grid Modernization

The Qatar General Electricity & Water Corporation (KAHRAMAA) continues upgrading regional distribution substations into fully automated digital nodes. Downstream private installations in commercial hubs are adopting synchronized smart digital meters that integrate with modern automation frameworks, facilitating seamless transition toward smart grid responsive demand management.

ESG Accountability in Free Zones

With Al Wakrah's proximity to Hamad Port and the Um Al Houl Special Economic Zone, multinational logistics, cold-storage operators, and light assembly plants face stringent corporate ESG carbon accounting rules. Sub-metering every high-draw cooling unit and assembly machine provides auditable carbon metrics demanded by international stakeholders.

Manufacturing Authority

Why Electrical Engineers & Contractors Trust TMB Electric

Combining 24 years of manufacturing excellence in China's low-voltage capital with internationally verified compliance standards.

Precision Engineering Directly from the Liushi Industrial Cluster

Zhejiang TMB Electric Co., Ltd. operates a high-capacity 5,700 m² production facility in Liushi Town, Wenzhou—the globally renowned hub for electrical switchgear and circuit protection innovation. By sourcing specialized components, silver contact alloys, arc extinguishing chambers, and custom toolings within our immediate industrial ecosystem, we maintain rigorous quality oversight while guaranteeing short delivery lead times for urgent Qatar tenders.

Our digital energy meters and modular protection devices undergo exhaustive multi-stage automated calibration before export packaging, ensuring that switchgear contractors, panel builders, and MEP firms in Al Wakrah receive consistent, zero-defect hardware.

  • TÜV Rheinland On-Site Assessed
  • CE Marked & RoHS Compliant Models
  • ISO 9001 Certified Quality Control
  • OEM/ODM Private Label Printing
  • Dielectric & Surge Withstand Tested
  • Flexible MOQ (From 5 Units on Catalog Lines)

Whether you require standard 35mm DIN rail kWh meters with Modbus communication or pre-configured solar combiner enclosures featuring DC MCBs and SPDs, our dedicated export engineering team stands ready to review your single-line electrical schematics.

Zhejiang TMB Electric Co., Ltd. 5700 sqm Verified Factory Facility
Procurement Guidance

Frequently Asked Questions by Contractors in Al Wakrah

Practical answers addressing regional compliance, KAHRAMAA sub-metering guidelines, thermal conditions, and shipment logistics.

What are the key technical distinctions between main utility meters and internal digital sub-meters in Qatar?
In Qatar, primary billing meters connecting a facility directly to the public grid are governed directly by KAHRAMAA specifications and installed under strict utility supervision. Digital sub-meters, such as TMB Electric's DIN-rail energy meters, are deployed on the load side of the main incoming breaker or throughout Secondary Distribution Boards (SDBs) and Final Distribution Boards (FDBs). These devices enable landlords, building management systems (BMS), facility operators, and industrial plant managers to allocate internal electricity costs among tenants, monitor chiller loads, and audit energy consumption without altering the primary revenue metering equipment.
How do TMB Electric energy meters perform under Al Wakrah's extreme summer heat and coastal humidity?
Al Wakrah's proximity to the Arabian Gulf creates an environment with high ambient summer temperatures (regularly reaching 45°C to 50°C) coupled with saline humidity. Our meters are engineered using industrial-grade semiconductors with operating temperature tolerances spanning -25°C to +70°C. Internal printed circuit boards (PCBs) feature protective conformal coatings to prevent corrosion from airborne salt mist, and enclosures are molded from premium high-temperature flame-retardant thermoplastics that prevent enclosure warping inside outdoor distribution kiosks.
Can these digital energy meters integrate with third-party BMS and SCADA platforms?
Yes. Our standard digital energy meters feature industry-standard RS-485 serial communication terminals operating over the open Modbus-RTU protocol. This allows immediate, configuration-free communication with major Building Management Systems (such as Honeywell, Siemens, Schneider EcoStruxure, and Johnson Controls). Parameter registers provide full visibility into active energy (kWh), reactive energy (kVARh), apparent energy (kVAh), active power (kW), line-to-line and line-to-neutral voltages, phase currents, power factor, and frequency.
What class accuracy should be specified for commercial sub-metering in logistics and industrial hubs?
For standard departmental cost allocation, warehouse bay billing, and general energy monitoring, Class 1.0 (IEC 62053-21) active energy accuracy is standard and cost-effective. For primary industrial main feeders, large chiller plant incomers, or high-draw commercial tenant sub-billing where financial transactions occur, we recommend specifying Class 0.5s (IEC 62053-22) CT-operated meters. These units maintain tight calibration tolerances even at low load fractions (down to 5% of nominal current).
What documentation and compliance test reports accompany orders for MEP contractor submittals in Qatar?
We supply comprehensive technical submittal dossiers for electrical engineering consultants and MEP project managers. This package includes CE Declarations of Conformity, RoHS compliance sheets, comprehensive laboratory test reports (dielectric withstand, impulse voltage, temperature rise limits, and metering calibration curves), along with detailed dimensional CAD outlines and wiring connection diagrams to accelerate consultant approval.
What are typical shipping lead times and air-freight options to Doha / Hamad International Airport?
For urgent project milestones, standard stock catalog models can be dispatched via air freight directly to Hamad International Airport (DOH) in Doha within 5 to 8 business days. For volume switchboard assemblies, regular sea freight consignments depart Ningbo or Shanghai port directly to Hamad Port in Umm Al Houl (immediately adjacent to Al Wakrah), with typical oceanic transit durations ranging between 18 and 24 days.

Ready to Optimize Your Power Distribution in Al Wakrah?

Whether you require sample units for MEP consultant qualification, customized OEM firmware, or complete factory-direct switchgear packages, our engineering team is here to assist.

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