Manual
8. Main Specifications
77
8. Main Specifications
Product Name Airborne Particle Counter
Model Model 3900
Optical Source Laser Diode (two-year warranty)
Particle Size Distribution 0.3 / 0.5 / 1.0 / 3.0 / 5.0 / 10.0 μm (6 Channels)
Rated Flow 28.3L/min.
Counting Efficiency 50±20% (Compliant with ISO 21501-4)
Spurious Count 0.3 counts/cf or less (Compliant with ISO 21501-4)
Max Detectable Concentration 500,000 counts/cf (=17,667.8 counts/L)
Sampling Time 6sec ~ 23hours 59min 59sec (Configurable)
Interval Time 7sec ~ 23hours 59min 59sec (Configurable)
Delay Time 11sec ~ 1hour (=3,600sec) (Configurable)
Repeat Times 1 ~ 9,999 times (Continuous) (Configurable)
Location Number Configurable in the range of 0~999 (Schedule can also be configured.)
Alarm Setting 1 ~ 9,999,999 count (= count/cf, count/m³) (Unit is Configurable)
Measurement Mode
SINGLE Mode, CONTINUOUS Mode, INTERVAL Mode, REPEAT
Mode, STATS Mode, STANDARD Mode
Display Color LCD Dot Matrix
Data Retention Capacity
256MB (Provided CF card) 1 data = Appro.100 bytes
(For example, Repeat measurement × 1,000 times
→ 100 bytes × 1,000 times = 100k bytes)
Printer Built-in (Compatible with Dust-free Paper)
Interface Ethernet
Power Supply
AC 100 ~ 240V (50-60Hz) / 1A
Rechargeable Lithium-ion battery
Continuous duty time: 4 hours or longer (User replaceable)
Operating Environment
This model can be used under the environment described below:
- Temperature 10 ~ 35 °C / Humidity 20 ~ 85 %RH (Non condensing)
- This counter can be used indoors only
- This counter cannot be used where the altitude is higher than 2,000 m.
- Supply voltage tolerance: AC90 ~ 264V
- Overvoltage Category II
- Pollution Degree: Class 2
Storing Environment Temperature -20~50 °C / Humidity 0~85%RH (No condensing)
Dimension W 210 × D 220 × H 320 mm (Excluding Handle)
Weight Approx. 8kg
Standard Accessory
Operation Manual / Test Certificate / Isokinetic Suction Probe
Standard Inlet / Power Cord (with Nema Plug) / Tygon Tube (2M) /
Printer roll-paper×2 / Zero Filter / Measurement Software / CF Card / Fuse
/ Battery / Battery Charger (* Battery and battery charger are not included
in Model 3900-01)
Optional Extras
Temperature & Humidity Probe / Air Velocity Probe/ Differential Pressure
Sensor / Contact Output Cable / Battery / Battery Charger / Carrying Case /
Differential Pressure Sensor Cable
* As for the specification for Temperature and Humidity Probe, Air
Velocity Probe, Pressure Transmitter and Contact Output Cable, please
refer to
5. Connecting Option Sensors.