|
Measuring
Method
|
Light
Scattering Method
|
|
Measuring
Object
|
Aerosol
particles, φ10μm or
smaller
|
|
Measuring
Range
|
0.001 –
3.999mg/m3 (1 – 9999cpm, 1cpm=0.001mg/m3 for φ0.3μm
stearic acid particles)
|
|
Accuracy
|
+/-10% of
reading +/-1cpm (or 0.001mg/m3)
|
|
Linear
Characteristics
|
+/- 5% of
reading
|
|
Measuring
Time
|
1 minute /
3 minutes / 10 minutes with built-in timer, and continuous mode
|
|
Light
Source
|
Laser diode
|
|
Detector
|
Photo diode
|
|
Operations
Environment
|
35 – 104ºF (5 – 40ºC) under
85%RH
|
|
Display
|
4-digit
LCD, dust count value (cpm), relative mass concentration value
|
|
Indicators
|
Cleaning,
measuring mode, battery status, concentration conversion operation,
zero point confirmation
|
|
Output
|
Analog
output, 0 – 10,000cpm = 0 – 4V
|
|
Power
Supply
|
AC 100V
adapter and dry cell batteries (6 x AA batteries)
|
|
Dimensions
|
6.4” x
2.4” x 39” (162 x 62 x 100mm) not including the nozzles
|
|
Weight
|
2.2 Lbs.
(1kg) not including batteries
|
|
Accessories
|
AC adapter,
micro-screwdriver, alkaline dry cell batteries (6 x AA) shoulder strap
|
|
Options
|
Carrying
case, Soft case, Analog output cable
|