NM01MONITOR4
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SE International — Radiation Alert® Monitor 4 General Purpose Survey Meter
Alpha, Beta, Gamma & X-Ray Survey Meter with 3 Selectable Ranges SKU: MONITOR4Overview
The SE International Radiation Alert® Monitor 4 is a general-purpose radiation survey meter designed for detecting alpha, beta, gamma, and X-ray radiation. Built for professional radiation safety workflows, this instrument provides dependable monitoring capability for field inspections, laboratory use, industrial safety checks, and NDT radiation control programs.
Equipped with a halogen-quenched uncompensated GM tube and a thin mica window measuring 1.5–2.0 mg/cm² thick, the Monitor 4 supports detection of multiple radiation types across three selectable ranges. Its µSv/hr scale with mR/hr reference scale allows inspectors and safety personnel to monitor radiation levels using practical measurement units.
Designed for routine radiation surveys, contamination checks, source retrieval verification, and general safety monitoring, the Monitor 4 is a trusted choice for professionals who require portable, reliable, and easy-to-use radiation detection equipment.
What's Included
| Item | Details |
|---|---|
| Survey Meter | Radiation Alert® Monitor 4 general purpose survey meter |
| Detector | Halogen-quenched uncompensated GM tube |
| Window | Thin mica window, 1.5–2.0 mg/cm² |
| Measurement Scale | µSv/hr with mR/hr scale |
| Documentation | User manual / operating instructions, if included |
Box Dimensions & Shipping Weight (Estimated)
| Parameter | Imperial |
|---|---|
| Length | 12.0 in |
| Width | 10.0 in |
| Height | 5.0 in |
| Dimensions (L × W × H) | 12.0 × 10.0 × 5.0 in |
| Weight | 3.0 lb |
Key Specifications
| Parameter | Details |
|---|---|
| Product Type | General purpose radiation survey meter |
| Model | Radiation Alert® Monitor 4 |
| Radiation Detected | Alpha, beta, gamma, and X-rays |
| Detector Type | Halogen-quenched uncompensated GM tube |
| Window Type | Thin mica window |
| Window Thickness | 1.5–2.0 mg/cm² |
| Selectable Ranges | 3 ranges |
| Scale | µSv/hr with mR/hr scale |
| Application | Radiation monitoring and survey measurement |
| Manufacturer | SE International |
| SKU | MONITOR4 |
Performance Features
Multi-Radiation Detection
Detects alpha, beta, gamma, and X-ray radiation for broad survey monitoring applications.
Three Selectable Ranges
Allows users to adjust measurement range based on inspection conditions and radiation level.
GM Tube Detection Technology
Uses a halogen-quenched uncompensated Geiger-Mueller tube for reliable radiation detection.
Thin Mica Window
1.5–2.0 mg/cm² mica window supports sensitivity to alpha and beta radiation detection.
User-Friendly Design
Portable survey meter format for field and facility use
Selectable ranges support flexible monitoring workflows
µSv/hr scale with mR/hr reference scale for practical readings
Suitable for routine surveys and safety checks
Designed for efficient radiation monitoring procedures
Built for Industrial Environments
Reliable performance for professional radiation safety use
Suitable for NDT, laboratory, and industrial inspection programs
Practical for field inspections and controlled area monitoring
Built for routine radiation survey applications
Designed to support safety-focused inspection workflows
Compatibility
Compatible with:
Radiation safety monitoring programs
Industrial radiography support workflows
Contamination survey procedures
Source retrieval verification checks
Laboratory radiation monitoring
NDT radiation-controlled area inspections
Ideal Applications
General radiation surveys
Alpha, beta, gamma, and X-ray detection
Contamination checks
Source retrieval verification
Industrial radiography safety support
Laboratory and facility monitoring
NDT radiation safety programs
Field inspection and emergency response support
About SE International
SE International manufactures radiation detection and monitoring instruments for safety, inspection, laboratory, and industrial applications. Their products support reliable radiation awareness, practical monitoring workflows, and professional safety programs in environments where accurate detection and dependable performance are essential.