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Large-Area 2″x4″x16″ NaI(Tl) Detectors: Maximized Gamma Coverage
Standard cylindrical detectors simply cannot cover wide scanning fields efficiently. ATR Crystal engineers this massive 2″x4″x16″ rectangular NaI(Tl) slab specifically to conquer large-area monitoring. By maximizing the surface area exposed to radiation, this elongated geometry delivers unparalleled gamma-ray interception for vehicle scanning, portal monitors, and extensive field arrays.
- Wide-Field Interception: The formidable 16-inch length guarantees massive radiation capture while maintaining a highly reliable energy resolution of ≤8.5% @ 662keV.
- Optimized Amplification: Flawlessly coupled to a premium 3-inch PMT, completely secured against optical and magnetic noise within a heavy-duty aluminum housing.
- Instant Deployment: Outfitted with the universal 14-pin connector, engineered for immediate and seamless integration into standard digital MCAs and Gamma-ray detection systems.
2"x4"x16" NaI(Tl) Scintillation Detector

Description
Parameter
Description
Overview
1 ) Model Number: NAI2/4/16P3
2 ) Detector Components:
Scintillator:2″x4″x16″ NaI(Tl) Scintillator
PMT: 8-stage Dia. 3 inch PMT with 14-pin connector
3 ) Energy Resolution:≤8.5%@662keV(Cs-137) or better
4 ) Working Temperature: -30~+50℃
5 ) High Voltage: 400~1100V(Positive polarity configuration or Negative polarity configuration)
6 ) Aluminum Housing
Parameter
Photomultiplier Tube Specifications
| Spectral Response Range | 300-650 mm | |
|---|---|---|
| Peak Wave-length (nm) | 420 mm | |
| Photocathode Minimum Effective Area | 70 mm | |
| Photocathode Material | Bialkali | |
| Window Material | Borosilicate glass | |
| Dynode Structure/Stages | Box-and-grid/8 | |
| Cathode Luminous Sensitivity | Min. | 80 μA/lm |
| Typ. | 110 μA/lm | |
| Cathode Blue Sensitivity | Min. | 10 μA/lm |
| Typ. | 12 μA/lm | |
| Anode Luminous Sensitivity | Min. | 3 A/lm @1000V |
| Typ. | 30 A/lm @1000V | |
| Anode Dark Current | Typ. | 2 nA @1000V |
| Max. | 10 nA @1000V | |
| Anode Gain Typ. | 2.73×105 | |
| Anode to Cathode Voltage (DC) | Max. | 1500 V |
| Rise Time | Typ. | 8 ns |
| Operating Ambient Temperature | -30~+50℃ | |
| Suitable Socket | E678-14W | |
Connection Way



