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Model 3511
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Mass Concentration Range
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0.02∼10 ㎎/㎥ or more if cleaned niddle up
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Aerosol Size Measured
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10㎛ 98%
7.07㎛ 100% (5㎛ 50%)
Other cut sizes 2∼10㎛ available upon request
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Sample Flow Rate
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1 litter/min.
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Accuracy
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±10% of reading±1digit
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Display
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4-decimal xx.xx ㎎/㎥ format concentration xxxx Hz format for
frequency
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Measuring Time
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Switch selectable
High concentration area (1∼10 ㎎/㎥) : 24 sec.
Low concentration area (0∼1 ㎎/㎥) : 2 min.
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Frequency of cleaning
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Cleaning required after 10 or 20 times measuring,
Need for cleaning indicated by read out display
Impactor : Clean daily - less than 1 min. required
Sensor : Wet daily - 2 or 3 min. required
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Ambient Temperature
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5∼40℃
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Power Supply
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DC operation : Built-in rechargeable Ni-Cd Battery
AC operation : Built-in adptor in supplied for AC operation,
it also recharges the battery at the same time
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Dimension
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311(W) x 170(H) x 130(D) mm
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Weight
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Approx. 4㎏
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Components
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Main Unit(1), Ni-Cd Battery & AC Adaptor(1), 10㎛ & 7.07㎛
Cut Impactor Nozzle(1), Cleaning Set(1),
Detergent(1), Operation Manual(1)
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){kind=small}
실내외의 Respirable Aerosol 질량농도의 직접 측정
