General Description

V.A.D. s.r.o. presents an advanced electronic counting device with integrated telemetry module, designed for modern smart metering applications across residential and commercial gas distribution networks. This solution enables automatic transmission of meter readings to data server, remote control of shut-off valves, and intelligent monitoring of leaks and flow rate anomalies — all while ensuring full compliance with European technical standards and data protection regulations.

Built on V.A.D.’s proprietary IIoT ecosystem, the device combines robust hardware engineering with AI-driven analytics to deliver reliable, secure, and future-proof metering infrastructure for European utilities and end-users.

Regulatory Compliance & Certifications

This product is designed and manufactured in accordance with the following European standards and directives:

Standard / Directive	Scope
EN 1359:2017	Requirements for construction, performance, safety and production of class 1.5 diaphragm gas meters
MID 2014/32/EU (Measuring Instruments Directive)	Legal metrology for gas meters used in billing applications
RED 2014/53/EU (Radio Equipment Directive)	Radio spectrum efficiency, EMC, and cybersecurity requirements for wireless telemetry
CE Marking	Conformity with EU health, safety and environmental protection standards
RoHS 2011/65/EU	Restriction of hazardous substances in electrical equipment
GDPR 2016/679	Data protection and privacy for user information processing

All hardware carries CE marking and is eligible for MID certification upon request. Software architecture adheres to ISO 27001 information security management principles.

Main Technical Characteristics

• Alphanumeric LCD display with intuitive menu navigation
• High-quality PCB antenna optimized for GSM/NB-IoT/LTE-M networks
• UV-resistant housing for long-term outdoor installation
• Extended operating temperature range: -40 °C to +60 °C
• Proprietary low-load data transfer protocol minimizing GSM network traffic
• Dual independent power supplies: separate circuits for metrological and telemetric modules
• Ultra-low power consumption: telemetry powered by LiPo 2000 mAh (4.2 V – 3.4 V), battery life up to 5–10 years depending on configuration
• Configurable absolute pressure reference value for volume correction
• Session diversity module: time-separated transmission sessions significantly increase reliability in areas with challenging radio coverage
• Integrated shut-off valve control with remote and automatic safety triggers

Compatible Meter Types

The telemetry module is designed for integration with membrane natural gas meters from leading European manufacturers, including:

• PIETRO FIORENTINI series
• SAMGAS Group series
• Other meters with pulse/output interface compatible with EN 1359

Displayed Parameters

The device LCD provides real-time access to:

• Measured gas volume (m³), temperature-compensated to +20 °C reference
• Instantaneous gas flow rate (m³/h), standardized to +20 °C
• Ambient and gas temperature (°C)
• Supply voltage status for metrological and telemetry batteries
• Configured absolute gas pressure reference (kPa)
• Current date, time, and scheduled communication session
• Device serial number and firmware version
• Event log: alarms, interventions, tamper detection, communication status
• Data transfer progress to cloud/server platform

Safety & Control Functions

Shut-off Valve Management

• Remote actuation via secure server command by authorized system operator
• Automatic closure triggered by:
  • Flow rate exceeding 1.25 × Qmax
  • Unauthorized housing opening (tamper detection)
• Leak monitoring during valve-open state with anomaly detection algorithms

Data Archiving & Transmission

• Cumulative gas volume, reduced to standard conditions (20 °C, 101.325 kPa)
• Hourly averaged consumption and temperature values
• Event archives: alarms, emergency situations, maintenance logs, communication history
• Encrypted transmission to V.A.D. IIoT Ecosystem or third-party billing systems via REST API / MQTT

Software Ecosystem & Integration

V.A.D. provides IIoT Ecosystem a unified, modular software stack to maximize value from deployed hardware:

✅ Unified Data Collection Platform – scalable server architecture for thousands of endpoints
✅ Billing System Integration – seamless export to SAP, Oracle, custom ERP via standardized APIs
✅ User Personal Account Portal – web interface for consumers to view consumption, alerts, and settings
✅ Mobile Application (iOS/Android) – real-time monitoring, push notifications, remote valve control
✅ AI Analytics Module – predictive leak detection, consumption forecasting, anomaly identification

The platform supports multi-tenant deployment, role-based access control, and full audit logging to meet utility-grade security requirements.

Environmental & Operational Benefits

• 🌱 CO₂ reduction: Optimized consumption monitoring helps households reduce emissions by up to 1.2 tons/year
• 💰 Cost savings: Early leak detection and usage insights can save users €160–500 annually
• 🔋 Long service life: Up to 10 years battery autonomy reduces maintenance visits
• 📡 Network efficiency: Proprietary protocol reduces GSM data load by up to 70% vs. standard MQTT
• 🔒 Cybersecurity: RED 3.3 compliance, encrypted communications, secure boot, and OTA update signing

Device Summary

The V.A.D. Electronic Counting Device with Telemetry Module represents a next-generation solution for European gas metering infrastructure. By combining EN 1359-compliant metrology, RED-certified wireless communication, and AI-enhanced analytics, it enables utilities to deploy secure, scalable, and future-ready smart metering networks.

Engineered in Slovakia and built for the European market, this product reflects V.A.D. s.r.o.’s commitment to innovation, regulatory excellence, and sustainable energy management. Whether deployed in single-family homes or district-wide modernization projects, the system delivers measurable value through accuracy, reliability, and intelligent automation.