Editorial Technical Reference

Radiation Detector Array

This page explains how Radiation Detector Array is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A multi-sensor assembly for simultaneous detection and measurement of ionizing radiation across multiple points.

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Product Specifications

Technical details and manufacturing context for Radiation Detector Array

Definition
The Radiation Detector Array is a component-level assembly used in dose monitoring systems. It consists of multiple radiation detectors arranged in a specific configuration to provide comprehensive spatial monitoring of radiation exposure. The array enables real-time detection, measurement, and mapping of radiation fields, supporting safety monitoring in various environments. It is designed for integration into larger systems, not as a standalone device. The array typically includes detection elements such as Si-PIN photodiodes or Si-PIN detectors for X-ray and gamma detection, with a number of detection elements ranging from 16 to 64, depending on the required spatial resolution. The detection energy range is 20–300 keV, and sensitivity is 0.5–2.0 cps/(μSv/h). Energy resolution at 122 keV is ≤10% FWHM, which affects nuclide identification capability. The operating temperature range is -20 to 60 °C, with a storage range of -40 to 85 °C. Supply voltage is 5 V DC ±10%, and power consumption is ≤2.5 W including signal processing electronics. Output is via RS-485 digital serial interface for data acquisition. The housing is made of Al6061-T6 aluminum alloy, providing lightweight and corrosion-resistant properties, with ingress protection ratings from IP54 to IP65 per IEC 60529. Weight ranges from 0.5 to 2.0 kg, and typical dimensions for a 16-element array are 100×80×40 mm. These specifications are reference ranges and must be verified with the manufacturer for specific models and applications. The array is intended for use in industrial, medical, or research settings where radiation monitoring is required. It is not a consumer product and requires proper calibration and integration. Always confirm model-specific values and standards with the legal manufacturer or supplier before procurement or use.
Working Principle
The array uses multiple radiation-sensitive elements, such as scintillation crystals, semiconductor detectors, or gas-filled tubes, that convert incident radiation into electrical signals. These signals are processed to determine radiation type, energy, and intensity across the monitored area. The specific detection elements in this array are Si-PIN photodiodes or Si-PIN detectors, which are sensitive to X-ray and gamma photons. The array configuration allows simultaneous measurement at multiple points, enabling spatial mapping of radiation fields. The electrical signals are amplified and digitized, then transmitted via RS-485 for further analysis. The working principle relies on the interaction of radiation with the semiconductor material, generating charge carriers that produce a measurable current or voltage pulse. The pulse height and rate provide information on energy and intensity. The array's design ensures that each element operates independently, allowing for precise localization of radiation sources.
Common Materials
Scintillation crystals (e.g., NaI, CsI), Semiconductor materials (e.g., Si, Ge), Photomultiplier tubes, Electronic circuit boards
Technical Parameters
ParameterTypical rangeNotes & selection driver
Detection Element TypeSi-PINPhotodiode or Si-PIN for X-ray and gamma detection
Number of Detection Elements16–64Array size determines spatial resolution
Detection Energy Range20–300 keVSensitive to X-ray and gamma photons
Sensitivity0.5–2.0 cps/(μSv/h)Counts per second per unit dose rate
Energy Resolution≤10 % FWHMAt 122 keV, determines nuclide identification capability
Operating Temperature Range-20–60 °COutside this range, detector performance degrades
Storage Temperature Range-40–85 °CNon-operating survival range
Supply Voltage5 ±10% V DCRegulated DC input
Power Consumption≤2.5 WIncluding signal processing electronics
Output SignalRS-485Digital serial interface for data acquisition
Ingress Protection RatingIP54–IP65Dust-tight and protected against water jetsIEC 60529
Material (Housing)Al6061-T6Lightweight and corrosion-resistantASTM B221
Weight0.5–2.0 kgDepends on array size and shielding
Dimensions (L×W×H)100×80×40 mmTypical for 16-element array

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Radiation Sensing Element Part
    Converts incident radiation into measurable signals
    Material: Scintillation crystal or semiconductor
  • Signal Processing Circuit
    Amplifies and processes detector signals for analysis
    Material: Electronic components on PCB
  • Array Housing
    Protects detectors and provides structural support
    Material: Radiation-resistant polymer or aluminum
  • Connector Interface Part
    Provides electrical connection to monitoring system
    Material: Stainless steel with gold-plated contacts

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Dose Monitoring System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 1.5 bar absolute
other spec: Radiation detection range: 0.1 μSv/h to 10 Sv/h, Humidity: 0-95% non-condensing
temperature: -20°C to +70°C
Media Compatibility
✓ Nuclear power plant coolant systems ✓ Medical isotope production facilities ✓ Industrial radiography inspection areas
Unsuitable: High-vibration environments (e.g., near heavy machinery without isolation)
Sizing Data Required
  • Required detection area coverage (m²)
  • Maximum expected radiation dose rate (Sv/h)
  • Required number of simultaneous measurement points

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sensor drift or calibration loss
Cause: Prolonged exposure to radiation causing degradation of sensor materials (e.g., scintillation crystals or semiconductor detectors), temperature fluctuations affecting electronic components, or contamination buildup on detector surfaces.
Electronic component failure
Cause: Thermal cycling leading to solder joint fatigue, moisture ingress causing corrosion or short circuits, electromagnetic interference (EMI) from nearby equipment, or power supply fluctuations damaging sensitive circuitry.
Maintenance Indicators
  • Inconsistent or erratic readings compared to baseline measurements, indicating potential sensor degradation or calibration issues.
  • Unusual audible alarms (e.g., continuous beeping or failure to sound during test cycles) or visual indicators (e.g., flickering LEDs or error codes on display panels) suggesting electronic or communication faults.
Engineering Tips
  • Implement a routine calibration and verification schedule using traceable radiation sources, and maintain environmental controls (stable temperature/humidity) to minimize sensor drift and electronic stress.
  • Use shielded cables and proper grounding practices to reduce EMI, and install protective enclosures with desiccants or seals to prevent moisture ingress and contamination.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 4037-1:2019 (X and gamma reference radiation for calibrating dosemeters and doserate meters) ANSI N42.34 (American National Standard for Performance Criteria for Hand-Held Instruments for the Detection and Identification of Radionuclides) CE marking under EU Directive 2013/59/EURATOM (Basic Safety Standards for protection against dangers from ionising radiation)

Quoted from the published standard.

Manufacturing Precision
  • Energy response: +/- 15% across specified range (e.g., 50 keV to 3 MeV)
  • Geometric alignment of detector elements: +/- 0.5 degrees
Quality Inspection
  • Energy calibration verification using certified radioactive sources (e.g., Cs-137, Co-60)
  • Environmental testing per IEC 60068-2 (vibration, temperature, humidity)

Manufacturers of Radiation Detector Array

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Frequently Asked Questions

What is the typical number of detection elements in a Radiation Detector Array?

The number of detection elements typically ranges from 16 to 64, depending on the required spatial resolution. The exact count should be confirmed with the manufacturer for the specific model.

What is the detection energy range of this array?

The detection energy range is 20–300 keV, making it sensitive to X-ray and gamma photons. This range is a reference and may vary by configuration; verify with the manufacturer.

What output interface does the array use?

The array provides a digital serial interface using RS-485 for data acquisition. This allows integration with monitoring systems for real-time data processing.

What are the environmental limits for operation and storage?

The operating temperature range is -20 to 60 °C, and the storage temperature range is -40 to 85 °C. The housing has an ingress protection rating of IP54 to IP65 per IEC 60529, indicating dust-tightness and protection against water jets.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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