TSA's BM-285E bag monitor and BM-286E barrel monitor are trouble free instruments designed to measure gamma contamination of containerised material

The unit can accommodate containers up to 500 lbs, while the BM 286E is designed to hold 55 gallon drums weighing up to 1,000 lb.

An aluminium or stainless steel liner protects the detectors from the articles being monitored. The load platform, containing the weight monitoring load cells, is mounted on sliding runners to facilitate loading heavy samples.

Plastic scintillator detectors are mounted on all six sides of the counting chamber to provide uniform measurement throughout the chamber. The monitor's high sensitivity is achieved by using large surface area plastic detectors coupled with microprocessor-controlled electronics and sophisticated software algorithms.

User operation is made simple with the touch screen colour monitor panel PC. Easy to read graphics provide instant reporting of system status and operating mode. Operator menus and error messages are clearly displayed. Ten different languages are currently available and are selectable from the panel PC.The user can change or modify any translated word or phrase to better convey the meaning.

From the keyboard, the system administrator can change all of the operation parameters. System operation and parameters are password protected with separate access levels. Report generation is automatic and continuous.Reports may be printed at any time.

Up to twenty different sets of operating parameters for different waste streams may be stored on disk. The operator selects the proper waste stream from an annotated list for each item to be scanned.

Applications

  • Measuring gamma contamination of containerised materials.

  • The capacity of these units allows for monitoring large amounts of material in a minimum number of operations. BM-285E can accommodate containers up to 500 lbs. BM-286E is designed to hold 55 gallon drums weighing up to 1000 lbs.

  • Isotopic identification is possible with an optional sodium iodide detector, multichannel analyser and applicable software.

Sensitivity 

See the minimum detectable activity chart (above)

Detectors

BM-285E        

Two 30 x 48 x 4cm / 12" x 9" x 1.5" plus four 30 x 69 x 4cm / 12" x 27" x 1.5" plastic scintillaton detectors 43 ltrs / 2628 in3 of detector volume per system
Gamma energy range: 40 keV to 1.6 MeV can be limited with discriminators
Detectors are fully shielded by a minimum of 4.4cm / 1.75" of lead

BM-286E

Three 30 x 48 x 4cm / 12" x 19" x 1.5", three 30 x 91 x 4cm / 12" x 36" x 1.5", plus one 30 x 81 x 4cm / 12" x 32" x 1.5" plastic scintillation detectors 58 ltrs / 3546 in3 of detector volume per system
Gamma energy range of 40 keV to 1.6 MeV can be limited with discriminators
Detectors are fully shielded by a minimum of 4.4 cm / 1.75" of lead

Display 

Super VGA colour flat panel monitor with touch screen

Power Requirements 

115 / 230 V AC, 47-63 Hz, 400 VA

Dimensions

Overall

BM-285E: 122 x 99 x 97cm / 48" x 39" x 38"
BM-286E: 163 x 99 x 97cm / 64" x 39" x 38"

Chamber

BM-285E: 81 x 71 x 71cm / 32" x 28" x 28" Volume: ≈400 ltrs / 15 ft3
BM-286E: 114 x 71 x 71cm / 45" x 28" x 28" Volume: ≈570 ltrs / 20 ft3

Weight 

BM-285E: ≈8000 lbs / 3600 kg BM-286E: ≈10,000 lbs / 4500 kg

Temperature Range 

0°C to +38°C / +32°F to +100°F

Accessories 

(included with system) 101 key keyboard

Optional Components 

Printer, NaI(Ti) detector and 1024 channel MCA for spectral isotopic identification

Documents

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