LB790 6-way α-β Low-Level Counter

6-way α-β Low-Level Counter

• Simultaneous/independent alpha and beta measurement

• 6 detectors, the diameter of the detector is 60mm, the largest sample plate can reach 60mm, a variety of specifications are optional

• Equipped with a large area anti-coincidence detector for cosmic ray suppression

• Parallel gas circuit connection

• 10cm thick standard lead brick protection in the 4π direction, to achieve the background value of the best performance

• Detector modular structure, each module has 2 detectors

• The preamplifier is integrated inside the detector to reduce noise interference

• New computer Windows system software AMS

• Very convenient installation and maintenance service

• External dimensions (with lead shield): 850x545x320mm (LWH)

• Weight (with lead shield): 1200 kg

• Dimensions of sample drawer and electronic part: 590x520x120mm (LWH)

• Weight: 37.5 kg

• Two-way detector module set: 262x92x30mm length, width and height

• Weight: 1.55 kg

• Detector Material: Copper

• Anti-coincidence detector material: Aluminum

• Power: 90-260 VAC 50/60 Hz,

• Electronics power supply: +/-15 V, LB5330

• Total current consumption: 250mA

• Signal amplifier power consumption: +15V =8 mA, -15V=6mA

• Connectors: 25-pin SUB-D for signal and power

• Operating Voltage (P-10 Gas Typical): 1450V

• Working gas: P-10 gas, ArCO2 (82/18) or ArCO2 (90/10)

• Detection window film: 1.5um (0.21mg/cm2)

• Measured Data (P-10 Gases):

• Background value: Alpha channel: 0.045 cpm, guaranteed value 0.1 cpm

β channel: 0.7cpm, guaranteed value 1cpm

• Efficiency value: α Efficiency: 42%

β efficiency: C-14: 25% Cl-36: 50%

• Operating temperature range: 0°C-50°C

• Relative humidity: 10%-80% non-condensing

• Degree of protection: IP 50