RGP-101 Continuous Gamma Monitor

A professional-grade radiation monitoring device integrating detection, data acquisition, analysis, and intelligent control. Based on a combination of photomultiplier tube (PMT) and large-volume plastic scintillator technology, it enables real-time gamma-ray detection, energy spectrum acquisition, and intelligent interlock control. Compact design with built-in high-voltage power supply, supporting multiple communication interfaces and Raysen IoT platform connectivity. Equipped with multiple programmable relay outputs for interlocking with access control, cameras, and audible/visual alarms.

RGP-101 Main Unit
RGP-101 Continuous Gamma Detection System
Data Acquisition System
Data Acquisition and Processing Unit
Multi-size Detectors
Optional Detectors in Multiple Sizes
Local DAQ Software Interface
Local DAQ Software Interface
Cloud Data Acquisition Display
Raysen Cloud Data Acquisition Display
Plastic Scintillator + PMT
Sensitive Energy Range > 50 keV
Energy Resolution 12–15% @ 662 keV
USB +, Ethernet + Modbus Interface
TTL Level Output
Power Supply USB 5V / 12VDC
Features

Key Features

Detector
Large-volume PVT plastic scintillator, customizable volume
Photomultiplier Tube
Hamamatsu 2-inch PMT (CR105)
Magnetic Shielding
Permalloy magnetic shield, strong resistance to magnetic field interference
High-Voltage Power Supply
Built-in adjustable HV 0–1250V, no external module required, software-controllable
Power Input
USB 5VDC / 12VDC dual-mode, flexible deployment
Data Acquisition
Real-time count rate monitoring and 12-bit ADC energy spectrum acquisition
Relay Output
3 programmable relays for interlocking with cameras, access control, and audible/visual alarms
Trigger Output
TTL trigger interface, comparator threshold software-adjustable
Temperature Compensation
Built-in temperature sensor with automatic temperature compensation
Communication Interfaces
USB, Ethernet, Modbus standard; WiFi optional
IoT Platform
Raysen IoT platform integration for web-based remote monitoring and control
Local Software
Professional desktop DAQ control software for Windows / Linux
Technical Specifications

Technical Specifications

ParameterSpecification / Description
Detector
Detector TypePlastic Scintillator + Photomultiplier Tube (PMT)
Scintillator MaterialPolyvinyl toluene (PVT) plastic scintillator
Scintillator Volume1.0 L (customizable)
Photomultiplier TubeHamamatsu 2-inch PMT, model CR105
PMT Magnetic ShieldingPermalloy shield
High-Voltage Power SupplyBuilt-in adjustable, 0–1250 V, software-controlled
γ Energy Detection Range> 50 keV
Energy Resolution12–15% @ 662 keV
Spectrum ADC Resolution12 bit
Signal Acquisition and Processing
Maximum Count Rate1 × 106 cps
Maximum Spectrum Acquisition Rate1 × 105 cps
Interfaces and Outputs
Digital InterfacesUSB, Ethernet, Modbus (standard); WiFi (optional)
Industrial CommunicationModBus
Trigger OutputTTL level, threshold software-adjustable
Relay Output3 programmable channels, can drive cameras, access control, and audible/visual alarms
Electrical and Mechanical
Power SupplyUSB 5VDC or 12VDC external power supply
Weight1.2 kg (reference)
Dimensions150 × 120 × 100 mm (reference)
Environmental
Operating Temperature-10 °C ~ +50 °C
Operating Humidity10% ~ 90% (non-condensing)
Software

Software

Local Data Acquisition Software
Windows · Linux
Real-time Monitoring
Real-time display of count rate and cumulative energy spectrum, with customizable layout and refresh rate
Data Analysis
Peak search, peak fitting, multi-point energy calibration, count/dose statistics and trend analysis
Device Management
Online configuration and management of core parameters including high voltage, gain, and threshold
Raysen Web Platform
Cloud · Web Dashboard

Connect multiple detectors via WiFi or Ethernet for real-time data acquisition and remote control. The web dashboard provides an intuitive display of measurement results and device status, supporting centralized management and unified analysis.

Centralized multi-device connectivity and management
Real-time data visualization via web interface
Remote parameter configuration and device control
Alarm notifications and historical data query
Application Scenarios

Application Scenarios

☢️
Continuous Radiation Monitoring
24/7 uninterrupted online monitoring of ambient radiation levels
🏭
Nuclear Facility Safety
Full-process monitoring for nuclear facility safety management and radiation protection
⚡
Accelerator Monitoring
Real-time radiation field monitoring and protection for particle accelerators
🔬
Research Laboratories
Dose monitoring for radioactive experiments and gamma spectroscopy research
🚨
Access Control Interlock
Automatic triggering of access control, cameras, and audible/visual alarms upon threshold exceedance
Need More Technical Information?
Download the complete product datasheet, or contact our technical support team for solution recommendations
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