ຮັບສ່ວນຫຼຸດພິເສດຕາມປະລິມານ, ອັບເດດລາຄາຂາຍສົ່ງ ແລະ ການແຈ້ງເຕືອນສິນຄ້າໃໝ່ສົ່ງກົງເຖິງອິນບັອກຂອງທ່ານ.
ໂດຍການສະໝັກສະມາຊິກ, ທ່ານຍອມຮັບ ເງື່ອນໄຂການໃຫ້ບໍລິການ ແລະ ນະໂຍບາຍຄວາມເປັນສ່ວນຕົວ ຂອງພວກເຮົາ.
ເຂົ້າເຖິງຜູ້ຊ່ຽວຊານທີ່ໄດ້ຮັບການຢັ້ງຢືນຂອງພວກເຮົາໂດຍກົງ
Usage: Survey for alpha and beta radiation
Radiological:
Detector type: ZnS(Ag) scintillator adhered to thick plastic scintillator
Active detection area100 cm² (15.5 in²)
Dose rate units: Count Rate - cpm, cps. Count Rate per Unit Area - cpm/cm², cps/cm²
Detection range:
Alpha range - 3 MeV - 8 MeV
Beta range - 100 keV - 5 Mev
Cross talk:
Alpha to Beta (Am-241) < 15%
Beta to Alpha (Sr-90 Y-90) < 1%
Measurement range: 0 to 1.5 Mcpm
Gamma sensitivity: >35 cps per µGy/hr
Ambient Background: 10 µR/hr eld: Alpha < 3.0 cpm, Beta < 300 cpm
Response uniformity: ±10% from average reading
Efficiency (4π):
Beta: 10% C-14, 18% Tc-99, 25% for Sr/Y-90, 30% for Ru/Rh-106
Alpha: 4% Gd-148, 14% Th-230, 17% Am-241, 13% U-238, 17% Pu-239, 24% Cf-252
Operational:
Display: RDS Base Unit
Alarms: Saved in Base Unit memory, ability to set thresholds for Alpha channel & Beta channel
Electrical:
Power: Supplied by RDS Base Unit
Mechanical
Dimension: 11.6” x 3.7” x 3.8” (29 x 9 x 10 cm)
Probe Housing: Anodized aluminum
Weight: 1.9 lb. (0.86 kg)
Protective Grate: 22 ga 0.076 cm (0.030 in.) stainless steel hex 0.64 cm (0.25 in.), 81% open
Environment
Operating Temp.: 22° to 122° F (-30° to 50° C )
Storage Temp.: -58° to 140° F (-50° to 60° C )
Relative Humidity; 3% to 100%
Ingress Protection: IP 54 - Contaminated Mylar Window should be replaced
Cleaning: Decontaminate with mild detergent and water
Salt Fog: Resistant (MIL-STD 810 G, Method 509.5)
Explosive Atmosphere: Intrinsically safe
