All-in-One 6-in-1 Electrical Monitoring: Compact DIN-rail AC digital multifunction meter engineered to measure voltage, current, active power, energy (kWh), frequency, and power factor simultaneously in Bangladesh.
Wide Measurement Range & Built-in CT: Supports AC 40–300V input and up to 100A current measurement via an integrated Current Transformer (CT), eliminating external sensor wiring.
Real-Time Load & Efficiency Tracking: Helps homeowners, electricians, and factory engineers detect voltage drops, track appliance power consumption, and identify poor power factor immediately.
Easy DIN-Rail Distribution Board Fit: Designed for quick snap-on installation inside standard residential, commercial, and industrial DB boxes.
The TOMZN D52-2066 6-in-1 Din Rail AC Digital Energy Meter is a compact, panel-mounted digital multifunction power monitor engineered for real-time single-phase AC electrical diagnostics and sub-metering. It operates by sensing AC supply voltage (40–300V) and measuring line current up to 100A through a built-in Current Transformer (CT) hole—simply passing the live wire through the integrated CT aperture provides continuous readings of six critical electrical parameters on a clear digital display.
This device is ideal for electrical engineers, panel builders, homeowners, solar installers, and facility maintenance teams. In Bangladesh, where grid voltage fluctuations (low voltage and high voltage surges) frequently threaten air conditioners, refrigerators, and industrial machinery, the D52-2066 offers instant visibility into supply quality and exact kWh energy consumption.
6-in-1 Multifunction Display: Simultaneously displays AC Voltage (V), AC Current (A), Active Power (W), Electrical Energy (kWh), Line Frequency (Hz), and Power Factor (PF).
Built-in 100A Current Transformer (CT): Eliminates the cost, space, and complex wiring of external CT coils—simply route the main phase conductor through the meter’s built-in CT hole.
Wide 40–300V AC Operating Range: Continues operating and displaying accurate readings even during severe low-voltage brownouts or over-voltage grid conditions.
Standard 35mm DIN-Rail Mounting: Snaps effortlessly onto standard DIN rails inside residential distribution boards (DB boxes) and industrial control panels.
Non-Volatile Energy Memory & Reset Function: Retains accumulated kWh energy readings during power outages, with a manual reset button for periodic sub-metering cycles.
High Measurement Efficiency: Integrated CT sensing isolates the current measurement circuit from the main load conductor, minimizing power loss and heat generation.
Compact Modular Construction: Space-saving DIN-rail form factor fits neatly alongside miniature circuit breakers (MCBs) and voltage protectors without crowding the panel.
Enhanced Electrical Safety: Galvanic isolation via the pass-through built-in CT enhances operator safety and reduces terminal failure points compared to shunt-type meters.
Energy Saving & Load Optimization: Real-time wattage and power factor monitoring allow users to identify energy-hungry appliances and reduce unnecessary electricity waste.
Zero-Maintenance Solid-State Design: Electronic digital metrology requires no mechanical parts, calibration, or routine servicing.
Residential: Main distribution boards (DB boxes), apartment sub-metering, air conditioner/geyser consumption tracking, and IPS/inverter output monitoring.
Commercial: Retail shops, restaurants, clinics, and rented commercial spaces requiring accurate tenant kWh sub-metering.
Industrial & Factory: Machine-level power monitoring, single-phase motor load analysis, and control panel diagnostics up to 100A.
Office: Server rooms, UPS output monitoring, and department-wise electricity consumption tracking.
Project Installation: Solar off-grid/hybrid inverter AC distribution boxes, generator output panels, and custom electrical enclosures.
| Specification | Details |
| Model | D52-2066 |
| Brand | TOMZN |
| Product Type | 6-in-1 DIN-Rail AC Digital Multifunction Energy Meter |
| Measured Parameters | Voltage (V), Current (A), Active Power (W), Energy (kWh), Frequency (Hz), Power Factor (PF) |
| Voltage Range | AC 40–300V |
| Current Range | 0–100A (via Built-in CT) |
| Current Sensor Type | Built-in Current Transformer (Pass-Through CT) |
| Mounting Type | Standard 35mm DIN-Rail |
✓ 6-in-1 real-time digital display (V, A, W, kWh, Hz, PF)
✓ Built-in 100A Current Transformer (no external CT required)
✓ Wide AC 40–300V measurement range for unstable grids
✓ Easy snap-on 35mm DIN-rail distribution board installation
✓ Retains kWh energy data during power outages
✓ Compact, durable, and maintenance-free solid-state design
Helps Reduce Electricity Bills: Real-time wattage and kWh tracking reveal high-consumption appliances so you can optimize daily power usage.
Improves Operational Reliability: Instant AC 40–300V voltage monitoring alerts you to dangerous brownouts or surges before they damage sensitive equipment.
Saves Installation & Component Cost: Integrated 100A CT eliminates external current transformer purchases and simplifies DB box wiring.
Ideal for Bangladesh Grid Conditions: Wide 40–300V operating range continues working reliably during severe voltage drops common across Bangladesh.
Installation Requirements: Mount the meter onto a standard 35mm DIN rail inside an indoor electrical distribution board (DB box). Connect the AC voltage sensing wires (Line and Neutral) to the meter’s voltage input terminals, and pass the main load phase (live) conductor directly through the built-in CT hole on the meter body.
Maintenance Tips: Keep the distribution board closed and dust-free. Periodically check that the voltage sensing terminal screws remain tight and clean the digital display face with a dry microfiber cloth.
Safety Instructions: Always switch off the main circuit breaker (MCB/MCCB) before opening the distribution board or wiring the meter. Ensure the load current does not exceed 100A and voltage stays within the AC 40–300V rating.
Q: What is the price of TOMZN D52-2066 6-in-1 Din Rail AC Digital Energy Meter in Bangladesh?
A: The price of the TOMZN D52-2066 6-in-1 Digital Energy Meter in Bangladesh depends on current stock availability. Visit loopshop.com.bd to check the latest updated price and offers.
Q: Where can I buy TOMZN D52-2066 Digital Energy Meter in Bangladesh?
A: You can buy the genuine TOMZN D52-2066 6-in-1 Din Rail AC Digital Energy Meter online from loopshop.com.bd with fast delivery across Dhaka, Chattogram, and nationwide in Bangladesh.
Q: What warranty does this product have?
A: Warranty terms depend on official supplier coverage at the time of purchase. Please review the warranty information on loopshop.com.bd or contact our support team before ordering.
Q: Is this suitable for Bangladesh climate?
A: Yes, the TOMZN D52-2066 is designed for indoor distribution board installation and features a wide AC 40–300V operating range, making it well suited for Bangladesh’s climate and fluctuating grid voltages.
Q: How to install this product?
A: Snap the meter onto a 35mm DIN rail inside your DB box, connect the Line and Neutral wires to the voltage terminals, and pass the load’s Live wire straight through the built-in CT hole.
Q: What 6 parameters does the TOMZN D52-2066 measure?
A: It simultaneously measures and displays AC Voltage (V), Current (A), Active Power (W), Total Energy Consumption (kWh), Frequency (Hz), and Power Factor (PF).
Q: Do I need to buy an external Current Transformer (CT) for 100A measurement?
A: No, the TOMZN D52-2066 comes with a built-in 100A CT—you simply pass your main live wire through the hole in the meter.
Q: Will the kWh energy reading reset when load shedding occurs?
A: No, the meter features non-volatile memory that retains the accumulated kWh value during power outages, while also offering a manual reset button when needed.
Q: Can I use this meter to monitor my solar inverter or IPS output?
A: Yes, as long as the output is single-phase AC within 40–300V and up to 100A, it works great for monitoring solar inverters, IPS units, and generators.
Q: Does it work with three-phase power systems?
A: The TOMZN D52-2066 is a single-phase AC meter (40–300V). To monitor a three-phase system, you would need three separate units—one installed on each phase.
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