Laser Particle Counter Model Sigma311

Accurate, dependable, user friendly, compact and light weight

Sigma311’ s large color display shows cumulative and differential particle counts of 3 particle sizes simultaneously. The middle particle range can easily be changed by a user. Sigma311’ s maximum concentration of 113267 particles/m3 (4,000,000 particles/ft3) and up to 8,000 data set record capabilities is the highest in the market. Data can be checked on the unit display and/or easily downloaded to your PC via USB cable and saved as a CVS file which is transferable to Excel. P311 is accurate, dependable, user friendly, compact and light weight.

Features

Range: 0.3 µm & 5.0 µm fixed, and middle channel selectable from 0.5, 1.0, 2.0, or 2.5 µm
Superior Maximum Concentration; 113267 particles/m3 (4,000,000 particles/ft3)
Large Color Display
Cumulative and Differential Count
Data Download Software
USB for Data Download and Power
Streamlined & Lightweight
Great Energy Conservation
User Friendly, Easy Operation
Included Accessories:AC Adaptor, Isokinetic Inlet, USB Cable, Zero Filter, Software 4 x AA Batteries with Charger, Calibration Certificate, Quick Guide, Aluminum Carry Case, Operating Manual on CD
Optional Accessories: Carrying Case, Tripod

Specifications:

Size Range: 0.3-5.0 µm
Channel Sizes: 0.3 µm and 5.0 µm fixed; 0.5, 1.0, 2.0, or 2.5 µm selectable middle channel
Counting Efficiency: 50% at 0.3 µm; 100% for particles > 0.45 µm (per JIS)
Concentration Limits: 4,000,000 particles / ft3 at 5% coincidence loss
Light Source: Laser diode
Zero Count Level:
Sampling Time: 1 second to 99 minutes 59 seconds (Configurable)
Sampling Frequency: 1 to 2000 cycles or continuous (Configurable)
Sample Output: Internal HEPA filter
Vacuum Source: Internal pump
Communication Mode: USB
Data Storage: 8000 sample records
Display: 3.5-inch 320 x 240 Color LCD
Power: DC 5V 0.7A (Mini USB TYPE-B)
Battery: 4 x AA
Battery Life: Up to 4.5 hours of continuous use (LCD Backlight low, 2400mAh Ni-MH Battery)
Dimensions (L x W x H): 178x90x47mm (without isokinetic inlet)
Weight: 480g (without batteries)
Standards: JISB9921, ISO 21501-4
Warranty: 1 year limited warranty
Operating Conditions: 5° to 35°C 20% to 95%RH non-condensing
Storage Conditions: -20° to 50°C Up to 98%RH non-condensing
Applications:

ISO Cleanroom Certification (ISO Class 4>)
Spot checking within cleanroom environments
Spot checking within sterile environments
Particle source identification during filter testing
Filter Testing
Indoor Air Quality Investigations
Quality Control