Máy đếm hạt bụi - Handheld Particle Counter Model 3887

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Máy đếm hạt bụi - Handheld Particle Counter Model 3887
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  • Máy đếm hạt bụi - Handheld Particle Counter Model 3887
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Measuring Particle Size
0.3um, 0.5um, 5.0um
 Flow Rate  0.1 cfm (2.83 l/min)
 Light Source
Laser Diode
 Calibration
PSL particles in air
 Counting Efficiency
50% at 0.3 um; 100% for particles > 0.45 um (ISO 21501-4)
 Zero Count
Less than 1 count / 5 minutes (ISO 21501-4)
 Coincidental Loss
Less than 5% at 2,000,000 particles/cf
 Sampling Time
1 sec - 99 min 59 sec (1 second increment)
 Sampling Frequency
1 - 99 or continuous
 Count Modes
Single, Repeat, Continuous, Calculation, Remote and ISO mode
 Display
LCD: 20 letters, 4 lines 
 Interface
RS232C or RS485
 Baud Rate
9600 bps
 Buffer Memory 10,000 sample records
Power AC Adapter 5VDC at 2.5A, 100 - 240VAC, 50 to 60 Hz
Battery 4 x AA Batteries
Operating Time
3 hrs with 1600mAh Batteries
 Vacuum Source Internal pump, flow controlled
 Dimensions W 4.3 x D 2.7 x H 7.7 inch  (108 x 68 x 196 mm)
 Weight 1.5 lbs (680 g)
 Accessories
 Isokinetic Probe, AC Adapter, Zero Filter, Battery & Charger
Utility Software, Communication Cable
 Options Thermal Printer, Printer Cable, Carrying Case, Tripod
Applications
  • Cleanroom Verification / Monitoring
  • Clean Bench Verification
  • IAQ Investigation
  • Food Processing Investigation
  • Hospital Surgical Rooms
  • Filter Testing

Features
  • Simultaneously measures and displays 3 particle sizes
  • Built-in flow sensor ensures highly accurate measurement
  • Stores up to 10,000 measurements
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