Specifications
Chapter 1
: Getting Started
Airnet® II 4-Channel Particle Sensors Operations Manual
1-5
Specifications
Table 1-1
Airnet II 4-Channel particle sensor specifications
201-4
301-4
310-4
501-4
510-4
Channel thresholds
(µm)
0.2, 0.3, 0.5,
1.0
0.3, 0.5, 1.0,
5.0
0.3, 0.5, 1.0,
5.0
0.5, 1.0, 5.0,
10.0
0.5, 1.0, 5.0,
10.0
Sample flow rate
a
Alarm at 15%
variation
a. Allow ±5 % for variations in sample flow.
0.1 CFM
(2.8 LPM)
0.1 CFM
(2.8 LPM)
1.0 CFM
(28.3 LPM)
0.1 CFM
(2.8 LPM)
1.0 CFM
(28.3 LPM)
Maximum particle
concentration
b
b. Greater than 90% accuracy (less than 10% coincidence loss) at maximum recommended ambient
concentration.
5,057,310/ft
3
4,862,798/ft
3
702,404/ft
3
7,437,220/ft
3
890,371/ft
3
Zero count level
(counts/m
3
)
< 70.7
< 70.7
< 7.07
< 70.7
< 7.07
Counting efficiency
Meets ISO 21501-4
50% ± 20% for most sensitive channel.
100% ± 10% at 1.5 to 2.0 times channel one size.
Flow system
External vacuum
Vacuum source
> 12 in Hg
Material (chassis)
Polycarbonate (PC)
Dimensions
(L
W
H)
5.3
3.6
3.8 in (13.5
8.9
9.6 cm)
Weight
1.6 lb (0.73 kg)
Power
PoE 48 VDC, 0.25 A or optional 24 VDC, 0.5 A
Optional POE Power Injector:
Input: 100 - 240 VAC, 50 - 60Hz, 1.5 A
Output: 56 VDC, 0.6 A
Communications
•
Ethernet connector requiring cable type CAT 5 UTP (shielded if PoE is utilized)
•
RS-232 (configuration and diagnostic tool only, no data)
•
Facility Net interface
•
Modbus TCP communication
Optional 4-20 mA:
•
four channels for particle data
•
one channel for instrument status
Status indicators
•
Laser and flow status: two-color LED
•
Activity: one-color LED
Calibration
System is calibrated per ISO 21501-4. Optional ISO 17025 calibration available.
