Can you produce products according to my own drawings?

Yes, we can manufacture products based on your drawings to ensure maximum satisfaction.

What communication protocols are supported?

The meter supports RS485 with Modbus and DL/T 645-2007 protocols, plus LoRa for remote monitoring.

What is the warranty period for this meter?

We provide a 1-year warranty for this product with comprehensive after-sales service.

RS485 2p DIN-Rail Meter Auto Reading Smart Supervision System

Name: RS485 2p DIN-Rail Meter Auto Reading Smart Supervision System
Brand: Shandong Rongxian Instrument Technology Co., Ltd.
SKU: 2269147425

Shandong, ChinaShandong Rongxian Instrument Technology Co., Ltd.

US$7.50

500-999 Pieces

US$7.00

1,000-1,999 Pieces

US$6.00

2,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

After-Sales Service Is Comprehensive

Warranty

1 Year

Model NO.

DDSU2938 energy meter

Display

Digital

Installation

Direct Connected

Usage

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 Meter

Electric Equipment

Single-phase

Theory

Electronic Meter

Power Meter Connection

Feed-through Type

Measured Signal

Continuous Wave

Type

Energy Meter

Certification

RoHS, ISO, CE

Customized

Reference Voltage

220V

Power Consumption

<10va

Impedance

>2MΩ

Accuracy Level

Error ±0.2%

Input Current

5(60)

Output Current

1-Way, 2-Way Maximum 60A 3-Way 5A

Grid Frequency

45-65Hz Error ±0.2%

Electricity

Active Energy Level 1

Power Pulse Output

Active Optocoupler Output

Pulse Constant

1200imp/Kwh

Interface and Communication Protocol

RS485 Modbus Dl/T 645-2007

Communication Address Range

Baud Rate

Support 1200BPS~9600BPS

Operating Temperature

-25℃~60℃

Storage Temperature

-40℃~70℃

Transport Package

Cardboard Box

Specification

Customized

Trademark

Rongxian

Origin

China

HS Code

9028301300

Key features

Dual Communication Support: Features RS485 and LoRa for seamless remote monitoring and data transmission.

High Precision Measurement: Active Level 1 and Reactive Level 2 accuracy ensures reliable energy data.

Compact DIN-Rail Design: Dimensions 100x36x68mm allow for easy installation and minimal space usage.

Comprehensive Certifications: Certified with RoHS, ISO, and CE standards for quality and safety assurance.

Flexible Customization: Supports OEM/ODM services, logo printing, and design-based customization.

Long-Term Reliability: MTBF exceeds 80,000 hours with data retention for over 10 years after power loss.

Low Minimum Order Quantity: Accepts sample orders with a MOQ of just 1 piece for testing and quality check.

Company profile

Shandong Rongxian Instrument Technology Co., Ltd.

Shandong, 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: 2 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.42h

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.