Intelligent Gamma Radiation Detection Unit for Radiological Monitoring Systems and Critical Infrastructure

The BDBG-09 by ECOTEST is an intelligent gamma radiation detection unit designed for integration into automatic radiological monitoring systems, control panels, nuclear facilities, critical infrastructure and civil protection networks.

Designed for continuous operation in demanding environments, the BDBG-09 provides precise measurement of ambient dose equivalent rate (DER) for gamma radiation, offering high operational reliability, permanent self-diagnostics and communication through an RS-485 interface.

The unit has been successfully deployed for many years in nuclear power plants and radiological monitoring systems across several countries, including Ukraine, France, Bulgaria and South Korea.

Key Features

• Continuous ambient dose equivalent rate (DER) measurement of gamma radiation
• Integration into automatic radiological monitoring systems
• Data communication via RS-485 interface
• Permanent self-diagnostic system
• Statistical measurement error indication
• Robust construction for industrial and institutional applications
• IP67 protection rating
• High environmental resistance
• Continuous 24/7 operation
• Average service life exceeding 10 years
• Suitable for civil protection, nuclear facilities, bunkers and critical infrastructure

Technical Specifications

Measured Radiation Type: Gamma
DER Measurement Range: 0.04 μSv/h to 10⁷ μSv/h
Energy Range: 0.05 to 3 MeV
Maximum Permissible Relative Error: (15 + 2/H(10)) %
Energy Dependence: ±25%
Communication Interface: RS-485
Start-Up Time: ≤ 3 minutes
Supply Voltage: 7 to 13.5 V
Maximum Power Consumption: 30 mA
Protection Rating: IP67
Operating Temperature: -40°C to +75°C
Continuous Operational Stability: ≤ 5% over 24 hours
Dimensions: 60 × 60 × 170 mm
Weight: Approximately 0.5 kg
Average Service Life: ≥ 10 years

Package Contents

• BDBG-09 Gamma Detection Unit
• Mounting Bracket (Corbel)
• User Manual
• Logbook
• Packaging Kit
• Installation Kit for System Integration (Optional)
• PI-09 Interface (Optional)
• Configuration and Calibration Technology Kit (Optional)

The BDBG-09 was developed for permanent radiological monitoring in professional and institutional environments, providing high durability, environmental resistance and straightforward integration into centralised monitoring systems. The combination of RS-485 communication, IP67 protection and continuous operation capability makes this unit ideal for critical facilities, civil protection networks and advanced radiation detection systems