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Gas Meter Innovation
March 13, 2026
The Dual-Track Evolution of Gas Meters
Diaphragm and ultrasonic gas meters are complementary symbiotic in dual-track evolution.
Read More →Smart Prepaid Meters for the Future
Professional manufacturer of electricity meters, water meters, and gas meters
Our Products
Comprehensive range of smart metering solutions
Energy Meter
STS prepaid electricity meters for residential and commercial use
Single Phase Energy Meter
CA168 Smart STS Prepaid DIN Rail Energy Meter (LoRaWAN)
DIN rail STS prepaid energy meter with LoRaWAN communication for remote meter reading and token management.
CA168 Smart STS Prepaid Energy Meter (GPRS)
STS prepaid single-phase meter with GPRS communication for remote monitoring and control.
CA168 STS Prepaid Energy Meter
Standard STS prepaid single-phase energy meter with keypad for token entry.
Three Phase Energy Meter
CA368 Smart STS Prepaid Three Phase Energy Meter (GPRS)
Three-phase STS prepaid meter with GPRS for commercial and industrial applications.
CA368 STS Prepaid Three Phase Energy Meter
Three-phase STS prepaid energy meter with keypad interface for token-based prepayment.
CT Meter
CT Operated Energy Meter
Transformer-operated (CT) energy meter for high-current commercial and industrial metering.
Water Meter
Smart STS prepaid water meters with multiple communication options
Multi-Jet Water Meter (Plastic)
Smart STS Prepaid Multi-Jet Water Meter - LoRa WAN (Plastic)
Cost-effective plastic multi-jet water meter with STS prepayment and LoRaWAN communication.
Multi-Jet Water Meter (Brass)
Smart STS Prepaid Multi-Jet Water Meter - LoRa WAN (Brass)
Durable brass multi-jet water meter with STS prepayment and LoRaWAN connectivity.
Ultrasonic Water Meter
Smart STS Prepaid Ultrasonic Water Meter - LoRa WAN GPRS
High-precision ultrasonic water meter with no moving parts, STS prepaid, LoRaWAN and GPRS.
Gas Meter
Smart STS prepaid gas meters for residential and commercial applications
Gas Meter
CA768 Smart STS Prepaid Gas Meter (LoRa WAN)
STS prepaid gas meter with LoRaWAN for remote reading and prepayment management.
CIU (Customer Interface Unit)
Customer interface units for in-home display and token management
Customer Interface Unit (CIU)
In-home display unit for token entry, credit balance checking, and consumption monitoring.
DCU (Data Concentrator Unit)
Data concentrators for AMI network data aggregation
Data Concentrator Unit (DCU)
Data concentrator for collecting and transmitting meter data in AMI systems.
Gateway
LoRaWAN gateways for IoT meter connectivity
LoRaWAN Gateway
Industrial LoRaWAN gateway for connecting smart meters to the cloud network.
Certifications
International standards and quality certifications
Company Certifications
Product Certifications
Shipping Certificates
Why Choose Calin Meters?
Trusted by customers worldwide
High Precision
Accurate measurement with advanced metering technology
Secure Prepaid
STS certified prepaid technology for secure token management
IoT Enabled
NB-IoT, LoRaWAN, GPRS communication for remote monitoring
Certified Quality
International standards and multiple product certifications
About Calin Meters
We are a professional manufacturer specializing in the design and production of smart prepaid meters for electricity, water, and gas.
With years of experience in the industry, we provide comprehensive metering solutions including integrated energy remote meter reading systems and big data management analysis platforms.
15+
Years Experience
50+
Countries Served
Frequently Asked Questions
Expert answers to common questions about our products
Latest News
Industry insights and company updates
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IoT Technology
March 12, 2026
Introduction to IoT Protocols
Understanding MQTT, CoAP, Modbus, and other communication protocols.
Read More →💧
Water Metering
March 10, 2026
Mechanical Water Meters Introduction
Affordable, reliable, and widely used worldwide.
Read More →Get in Touch
Ready to discuss your metering needs?
Contact Information
Address
Floor 6, Bd A1, Qiaode Tech Park, Kelian Rd, Guang Ming District Shenzhen, China
Phone
+8613713788753
WhatsApp / WeChat
+8613713788753
Scott@szcalinmeter.com