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Advanced Prepaid Metering Solutions from China

High-quality STS Prepaid Electricity Meters, Smart Water & Gas Meters, AMI Systems, and Electricity Vending Solutions engineered for reliability, security, and scalability.

Trusted Manufacturer of Prepaid Metering Systems

Shenzhen Calinmeter Co., Ltd. is a leading factory in China specializing in STS-certified prepaid electricity meters, smart water and gas meters, AMI solutions, and electricity vending systems.

STS Certified

All our prepaid meters comply with STS and IEC62055-51 standards for secure, interoperable token-based energy management.

Smart Technology

DLMS/COSEM, GPRS, LoRaWAN, NB-IoT, and RF-Lora integration for real-time monitoring and remote control.

Global Logistics

Efficient shipping and sample service available worldwide with professional after-sales support.

Custom Solutions

Tailored metering systems for mini-grids, submetering, commercial buildings, and utility-scale deployments.

Our Premium Product Range

Engineered for performance, security, and long-term reliability across residential, commercial, and industrial applications.

STS Prepaid Single Phase Meter

STS Prepayment Single Phase Meter

  • Voltage: 220V-240V
  • Current: 1(10)A
  • Pulse Rate: 1600 Imp/kWh
  • Dimensions: 255x120x52mm
  • Weight: 600g
  • Standard: STS, IEC62055-51
STS DLMS Prepaid Meter

STS DLMS Prepaid Electricity Meter

  • Voltage: 3×220V/230V/240V
  • Current: 1(10)A
  • Constant: 6400 Imp/kWh
  • Communication: GPRS/GSM
  • Certification: DLMS, STS
  • Features: Intelligent tamper detection
LoRaWAN Din Rail Meter

LoRaWAN Din-Rail Single Phase Meter

  • Application: Mini-grid & Submetering
  • Communication: LoRaWAN
  • Power Source: Dual
  • Battery: Lithium-ion
  • Flexibility: Customizable cloud server
  • Environment: Reduced carbon emissions
High Current Smart Meter

High Current Transform Smart Meter

  • Voltage: 3×220V/230V/240V
  • Current: 1(10)A
  • Constant: 6400 Imp/kWh
  • Certification: DLMS, AMI
  • Accuracy: Class 1.0
  • Features: Remote disconnect, data logging
Smart Gas Meter

Customized Smart Gas Meter

  • Communication: LoRaWAN, NB-IoT, GPRS
  • Function: Prepaid & Postpaid
  • Application: Residential & Commercial
  • Features: Remote monitoring, leak detection
  • Customization: Firmware & UI options
Split Three Phase Meter

Split Three Phase STS Prepaid Meter

  • Phases: 3-Phase
  • Features: Load switch, tamper guard
  • Standard: STS compliant
  • Protection: Surge & reverse polarity
  • Mounting: Split-type design
AMI Integrated Din Rail Meter

AMI Integrated Din Rail Smart Meter

  • Voltage Range: 220V–240V
  • Operating Temp: -20℃ to +55℃
  • Weight: 0.5kg
  • Accuracy: Class 1.0
  • Certification: STS, DLMS
  • Mounting: DIN rail
RF-Lora Data Concentrator

RF-Lora AMI Data Concentrator

  • Function: Wireless data collection
  • Compatibility: Electricity, Water, Gas Meters
  • Range: Long-distance RF-Lora
  • Dimensions: 160x112x58mm
  • Display: Backlit LCD
  • Integration: GPRS, AMI systems

Why Choose Our Prepaid Metering Systems?

STS & DLMS Compliance

All our meters are certified to STS and DLMS standards, ensuring secure, interoperable, and globally accepted token and communication protocols.

Anti-Tamper & Security

Built-in tamper detection, relay control, and STS encryption algorithms prevent unauthorized access and energy theft.

Remote Management

GPRS, LoRaWAN, and NB-IoT enabled meters allow for remote top-up, balance monitoring, and firmware updates.

Custom Cloud Integration

We offer customizable cloud platforms for data visualization, billing, and customer management tailored to your business needs.

Energy Efficiency

Low self-consumption design and UV-stable polycarbonate housing ensure long life and minimal environmental impact.

Global Support & Logistics

Fast delivery, sample availability, and multilingual support (English, French, Spanish, Arabic, Bengali, Japanese, and more).

74+
Prepaid Electricity Meters
117+
Prepaid Water Meters
38+
Prepaid Gas Meters
70+
Smart Micro Grid Systems

Frequently Asked Questions

What is an STS prepaid meter?

STS (Standard Transfer Specification) is a global standard for prepaid electricity meters that ensures secure, interoperable token exchange between vending systems and meters.

Do you offer sample meters?

Yes, sample service is available. Contact us for pricing and shipping details.

Can your meters work with existing vending systems?

Yes, our STS-compliant meters are designed to integrate seamlessly with most standard electricity vending platforms.

What communication options are available?

We offer GPRS, LoRaWAN, NB-IoT, RF-Lora, and infrared optical communication depending on the model and application.

Do you provide technical support?

Yes, our team offers installation guidance, system integration support, and troubleshooting assistance.

Get in Touch

For inquiries, samples, or technical support, please contact Shenzhen Calinmeter Co., Ltd.

Email: [email protected]

Phone: 86-755-23707749

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