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Contam Monitor
SPM-9600
Radiation Contamination Monitor
Precisely detects radiation contamination with high-sensitivity sensors
and supports rapid response through real-time alarms.

SPM-9600 (Whole Body Contamination Monitor)
- Full Stainless Steel Housing
- Automatic / manual measurement time setting
- Large-area detector (678.41㎠ / detector)
- Built-in PET film for foot detector contamination prevention
- 4-direction access structure for convenient maintenance
- Equipped with user direction recognition engine
Overview
- SFT Technology’s Whole Body Radiation Contamination Monitor, SPM-9600, is designed to monitor body contamination caused by handling radioactive materials.
- SPM-9600 is designed for installation at nuclear power plants and other radiation handling facilities, or at the boundaries of buildings and areas where radiation exposure is expected, enabling measurement of surface radioactive contamination of individuals entering or exiting the area.
- Equipped with 25 large-area gas-flow proportional counter detectors, SPM-9600 can measure whole-body contamination in a two-step process. This reduces waiting time for personnel, allowing fast and efficient workplace operation while improving radiation safety reliability through minimum MDA based on high detection efficiency.
- The 25 detectors are designed for easy replacement of aluminum-coated films, and their standardized size provides economical spare parts management.
- Through the LCD touch screen and keyboard, contaminated areas can be graphically displayed while supporting system diagnostics, configuration, status monitoring, and data inquiry. The adoption of a fanless industrial PC and SSD improves maintenance convenience, operating environment comfort, and data reliability.
- The system is designed with four access doors, allowing easy internal access for maintenance and improving service convenience for administrators.
- Stainless steel construction allows easy decontamination of the exterior while enhancing equipment durability.
- Equipped with wheels for mobility and adjustable supports for secure positioning.
Features
Simple Contamination Detection Structure
- Gas-flow proportional counter system
- Two-step whole body contamination detection
- Selectable measurement time (automatic/manual)
- 6 hand/foot position detection sensors
- Face recognition sensor
High-Sensitivity Alpha & Beta Detectors
- Large-capacity detector design
- Reduced dead zone
Improved Maintenance Convenience
- 12" touch screen display
- 4-direction maintenance doors
- Foot detector contamination prevention device
Dosimeter reader
Deluxe LED Lighting
Semi-permanent Dehumidification System
Details
Efficiency (4π)
| Source | Co(60) | Cs(137) | Pm(147) | C(14) | Tc(99) | CI(36) | Sr(90)+Y(90) | % | 25 | 31 | 22 | 22 | 34 | 25 | 32 |
|---|
MDA (4π)
| Source | Co(60) | Cs(137) | Pm(147) | C(14) | Tc(99) | CI(36) | Sr(90)+Y(90) | Bq | 12 | 9.3 | 13 | 13 | 9 | 12 | 9.5 |
|---|
- Measurement conditions : Source contact with protection grill, Background : 0.1uSc/h, Background acquisition 10s, Measurement 10s, Detection probability: =95%, P-10 gas
- Gamma sensitivity Cs-137: >45cps/uS/h per 100㎠
Specifications
Detector Specifications
| Category | Specification |
|---|---|
| Type | Gas flow proportional counters |
| Gas | P-10, P-7.5, Ar/CO2 |
| Typical operating voltage | 1900V |
| Monitoring time |
|
| Threshild | MDSER or Fixed value or N*BCR settable over whole measurement range |
| Detector Window thinkness | ≤ 6μm |

Operation
- Entrance barrier control automatically recognizes users through approach sensors and allows entry only in Ready status
- Exit slide door automatically opens when contamination is not detected and ADR data transmission is completed
- When contamination is detected, the automatic door closes and the entrance barrier opens
- In emergencies such as fire, the entrance barrier and exit slide door can be manually opened
- Automatic background measurement in Ready status
- Automatic average background subtraction algorithm after contamination measurement
- Automatic adjustment of measurement time based on calibrated MDSER and measured background
- Calibration software included with support for calibration, Excel export, and A4-size printing
- Mimic display indicating contaminated areas
- Measurement operation support
- "Not Ready to Measure", "Ready to Measure", "Measurement"
Main Functions
Main Menu
- Measurement
- Status Check (Self Test / Maintenance)
- Calibration
- Measurement Parameter Settings
- System Parameter Settings
- Measurement Result Inquiry (Status / History / Statistics)
Parameters
- Measurement Time
- Alarm Threshold / Threshold Settings
- Threshold configuration available for each channel
- Low/High Background, Ground, Contamination
Statistics
- Total Measurements
- Contamination Measurements
- Out of Order
- Maintenance
* Specifications are subject to change without prior notice for performance improvement.