LB 770 10-channel alpha, beta low background counter
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Brief description: The 10-channel low-level wafer counter LB770 provides simultaneous, individual alpha-beta measurement of 10 planchets, each up to 60 mm in diameter For each sample, there are two separate measurement channels for alpha and beta activity The slider and counter tube are surrounded by a 100 mm thick shielded processing lead brick (total weight approx. 950 kg)
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Detailed introduction
germanyBERTHOLD LB 770 10-channel alpha, beta low background counter
Product introduction:
l The 10-channel low-level wafer counter LB770 provides simultaneous, individual α-β measurement of 10 planchets up to 60 mm diameter each time
l For each sample, there are two separate measurement channelsalpha and beta activities
l slider and counter tube surrounded by100 mm thick shielding processed lead bricks (total weight approx. 950 kg)
l The 11x α/β discrimination unit (preamplifier) is located on the external lead shield
l It provides standard pulse to interface unit
l Higher throughput or large number of samples
Product application:
l Environmental Laboratory
l health physics
l chemical radio
l Physics
l industrial safety
l Food and Drug Analysis
l Department of Nuclear Medicine
l Test transmitter
Features:
l Counting results can be quickly10 times, equal to statistical accuracy, per sample
l Same overall counting time as before, with three times better statistical accuracy
l Instant detection of highly active outlier samples without having to wait for the counting process to complete
l extremely lowbeta background < 1 CPM
l Performance: Extremely low backgroundHigh α and β counting efficiency
l Throughput: 10x detector high sample throughput
l Reliability: High-quality components provided10 detectors
l Ease of use: simple sample insertion, user-friendly, versatile software
l Quality Control: Built-in efficiency, background, trend checking tools
l Flexibility: combines rapid assessment and low activity measurement
l Low maintenance: few mechanical parts, maintenance-free
Technical parameters:
detector | Suitable for measurementSamples Ø 60, 50, 30, 25 mm, protected counter anticoagulation |
shutter | 10 cm, 4 PI shielded to reduce ambient radiation |
preamplifier | ExcellentAlpha, beta separation based on rise time and pulse height discrimination |
Count gas | Argon methane, argon, carbon dioxide |
Counting electronic equipment | Computer interface, with sample and Defender detectorHV unit |
Software | MS operating system software for DOS or Windows |
detector: | Air flow proportional counter tube, simultaneous measurement10 samples 10 (diameter 30/60mm), 1 anti-coincidence detector |
lead shield: | 10cm thick |
weight | 950kg |
Size | 700 x 400 x 500 mm |
Play before: | 11-fold amplifier, pulse front/pulse height discrimination α/β |
Detect gas: | Argon-Methane (90/10) or Argon-Co2 (84/16), pressure approximately 10mbar |
Gas consumption: | 6-10 l/h |
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