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3X220/380 V RS485/M-Bus/4gcommunication Three-Phase Four-Wire Rail-Mounted Energy Meter with Prepaid Function
US$17.00
1,000-1,999 Pieces
US$16.50
2,000+ Pieces
Sample price:US$20.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
After-Sales Service Is ComprehensiveWarranty
1 YearModel NO.
DTSU2938 Three-phase electricity meterDisplay
DigitalInstallation
Direct ConnectedUsage
Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Prepayment Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters, Maximum Demand MeterElectric Equipment
Three-phase Four-wireTheory
Electronic MeterPower Meter Connection
Feed-through TypeMeasured Signal
Continuous WaveType
Energy MeterCertification
RoHS, ISO, CECustomized
CustomizedReference Voltage
3X220/380 VPower Consumption
<10vaImpedance
>2MΩAccuracy Level
Error ±0.2%Input Current
1.5(6)/10(40)/15(60) / 20(80) aOutput Current
1-Way, 2-Way Maximum 60A 3-Way 5AGrid Frequency
45-65Hz Error ±0.2%Electricity
Active Energy Level 1Power Pulse Output
Active Optocoupler OutputPulse Constant
1200imp/KwhInterface and Communication Protocol
RS485 /4G/Modbus Dl/T 645-2007Communication Address Range
Communication Address RangeBaud Rate
Support 1200BPS~9600BPSOperating Temperature
-25℃~60℃Storage Temperature
-40℃~70℃Transport Package
Cardboard BoxSpecification
CustomizedTrademark
RongxianOrigin
ChinaKey features
Multi-Communication Support: Supports RS485, 4G, LoRa, LoRaWAN, and WiFi for seamless remote monitoring.
High Precision Measurement: Active Level 1 and Reactive Level 2 accuracy for reliable energy data.
Compact Rail-Mounted Design: Dimensions 126x97x35.5mm, ideal for easy installation and space saving.
Comprehensive Certifications: ISO 9001, RoHS, and CE certified ensuring international quality standards.
Flexible Customization: Supports OEM/ODM, logo printing, and custom packaging/transportation.
Low MOQ for Samples: Accepts sample orders with a minimum quantity of just 1 piece.
Prepaid Functionality: Integrated prepaid meter function for efficient energy management.
Company profile

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: 2 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.77h
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad customization, R&D, ODM, OEM, quality-management, and production-control capabilities. It reports ISO9001 quality and environmental management certifications, CE, OIML-49, information security, intellectual property standardization, AAA credit rating, and product approval and inspection documentation for smart meters. Service processes for corrective actions, complaints, finished-product inspection, and supplier assessment are documented and followed. However, the supplier has no overseas agents or branches, overseas warehouse, or showroom; exports reportedly began two years ago and represent 90% of sales. No valid manufacturing contract exists with related subcontractors, and no SDK is available. Evidence of customer cases is limited to OEM service for well-known brands and participation in CMTE CHINA 2025.
Supplier typeThe supplier presents itself as a manufacturer with own-brand quality-control capability, OEM and ODM services, in-stock capacity, and flexible customization. It also exports, but reports no overseas agents or branches, warehouses, or showrooms.
CertificationsThe supplier reports ISO9001 quality and environmental management certifications, CE, OIML-49, information security management, intellectual property standardization, and AAA credit rating certification. Its smart electricity and water meters also have Measurement Instrument Pattern Approval certificates and inspection reports.
After-Sales capabilityDocumented and followed procedures exist for corrective and preventive actions, customer complaints, finished-product inspection, and supplier-service assessment. Quality control extends through after-sales service, but the supplier reports no overseas agents, branches, warehouse, or showroom, limiting demonstrated overseas service infrastructure.
Financial creditThe supplier reports an AAA credit rating certification and identifies financial-capacity records for 2022, 2023, and 2024. No detailed financial performance information is provided, so the assessment is based primarily on the stated certification.
R&D capabilityThe supplier reports new products during the past year, ODM capability, and a national science and technology progress award. Its smart meter product ecosystem has obtained pattern-approval certificates and inspection reports, although no SDK is available.
Production capacityProduction and quality controls are described as covering design, supplier management, manufacturing, and after-sales service, with 6S management, final assembly, aging, calibration, and documented inspection procedures. The supplier reports in-stock capacity and lead times within 15 working days in both peak and off-season, but lacks a valid contract with related subcontractors.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports R&D capability, recent new-product development, and ODM service availability.
Client casesThe supplier reports providing OEM services for well-known brands and participating in the offline CMTE CHINA 2025 trade show. These statements indicate some market-facing experience, but no specific customer names, project details, or case outcomes are provided.
Product Q&A
Q:Can I have a sample order for the product?
A:
Yes, we welcome sample orders to test and check quality. Mixed samples are acceptable.
Q:Do you have any MOQ limit for product orders?
A:
We offer a low MOQ, with 1 piece available for sample checking.
Q:Can I request to change the form of packaging and transportation?
A:
Yes, we can change the packaging and transportation form according to your request, but you must bear the incurred costs.
Q:Can I request to advance the shipment?
A:
It depends on whether there is sufficient inventory in our warehouse.
Q:Can I have my own logo on the product?
A:
Yes, you can send us your drawing and we can make your logo, but you must bear the cost.
Send Inquiry
*To:
Shandong Rongxian Instrument Technology Co., Ltd.
Shandong Rongxian Instrument Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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