Adw300 4G WiFi Lora Smart Energy Meter with RS485 Communication

Name: Adw300 4G WiFi Lora Smart Energy Meter with RS485 Communication
Brand: Jiangsu Acrel Electrical Manufacturing Co., Ltd.
SKU: 2145413595

Jiangsu, ChinaJiangsu Acrel Electrical Manufacturing Co., Ltd.

US$70.00-150.00

1 Piece

Sample price:US$70.00/piece.Request sample

Product profile

Customization

Available

Communication

4G LTE/WiFi/Lora/Lorawan/Nb-IoT/RS485(Modbus-RTU)

Application

Building/Factory/Smart Grids/dB Room and etc

Model NO.

ADW300

Rated Voltage

up to 3*660~792VAC L-L

Rated Current

3*1(6)a AC (Via Cts)

Active Power Accuracy

Class 0.5s

Certificate

CE/IEC/LVD

Transport Package

Carton

Trademark

Acrel

Origin

China

Production Capacity

200000 PCS/Yaer

Key features

Built-in Wireless Modules: Supports 4G LTE, WiFi, NB-IoT, and LoRa without extra gateways.

Flexible Installation: Fits 35mm DIN-rail, suitable for distributed or centralized setups.

High Accuracy Measurement: Class 0.5S active energy accuracy compliant with IEC62053 standards.

Comprehensive Monitoring: Measures voltage, current, power, harmonics, and temperature.

Multiple Communication Protocols: Supports RS485, Infrared, and wireless transmission via MODBUS-RTU.

Customization Options: Offers full, minor, and flexible customization from samples or designs.

Fast Lead Time: Peak and off-peak season lead time within 15 working days.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team

Jiangsu Acrel Electrical Manufacturing Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.62h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and R&D capabilities, including ODM, OEM, SDK availability, multiple design tools, and documented design review, verification, and validation records. Production-related evidence includes SMT, assembly, and automated processing lines, inventory capacity, contracts with associated subcontractors, and standardized finished-product inspection instructions. Service management is supported by written procedures and records for corrective actions, complaints, supplier assessment, and quality assurance. The supplier has overseas agents or branches, export rights, and prior participation in MEE Middle East Energy, but reports no overseas warehouse or showroom and lists zero countries offering overseas services. Financial credibility cannot be assessed because only years are provided, without non-financial supporting results. No explicit certification holdings or customer case details are provided.

Supplier typeThe supplier operates or coordinates SMT, assembly, and automated processing facilities, maintains inventory capability, and has valid manufacturing contracts with associated subcontractors. It also holds self-operated import/export rights and has overseas agents or branches, indicating a manufacturing-oriented supplier with international service arrangements.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, service-capability assessment, and quality assurance. Overseas agents or branches and prior participation in an offline trade show support service reach, while the absence of overseas warehouses and showrooms limits the evidence for localized after-sales infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM services, SDK availability, R&D responsibilities covering new-product development and production technology support, and use of AutoCAD, Pro/E, and SolidWorks. It also maintains auditable design input, output, review, verification, and validation documentation, supporting a demonstrated product-development process.

Production capacityProduction evidence includes SMT, assembly, and automated processing lines, standardized finished-product inspection instructions, inventory capability, valid contracts with associated subcontractors, and lead times within 15 workdays in both peak and off-seasons. These stated capabilities support a positive assessment of manufacturing and delivery readiness.

Customization capabilityThe supplier explicitly provides customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad range is reported across R&D and design-service capability records, indicating substantial customization coverage.

Product Q&A

Q:What's the biggest advantage of ADW300?

ADW300 has its built-in wireless communication module which allow it to realize 4G LTE, WiFi, NB-IoT, LoRa upstream communication without using extra IoT gateways. For the application scenarios when the meters can't be of centralized installation, ADW300 will usually be the best option for monitor 3-phase circuits that were far from each other.

Q:How should I deal with RS485 network communication malfunction?

First, check if the wiring of RS485 communication line was loosen or wired incorrectly.(like reversely wiring the A,B terminal). Next,inspect if the meter's setting of address, baud rate, check bit was correct by using keypads on the meter.

Q:What if LoRa communication of meters malfunctioned?

First, use USB to RS485 serial converter to connect the meter with computer. Then use adjustment software to check if setting of meter is on consensus with the setting of master station.(setting of channel and spreading factor--SF) If setting remain the same, then it might be due to large interference of work site or the excessively far range between meter and host. In that case, it's recommended to use chuck antenna or set a new master station nearby.