5. Main Specification
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5. Main Specification
Product Name
Light Scattering Digital Dust Monitor
Model Name
MODEL 3443
Measurement Range
0.001 ~ 10.000 mg/m
3
(1 CPM
＝
0.001 mg/m
3
when using standard particle)
Measurement Accuracy ±(10% of r 1) count
Linearity
±5% of reading
Measurement Mode
(1)
Standard Mode (6, 10, 30 seconds, 1, 2, 3, 5, 10 minutes, TWA)
(2)
Free Setting Mode (Settable range is 1 ~ 59 sec or 1 ~ 99 min)
(3)
Manual Mode (Start and stop a measurement manually.)
(4)
Calculation Mode (The user can repeat measurements based on the
settings of measurement start/stop time and the number of measurements.
The measurement data can be saved in the built-in memory.)
(5)
Calibration (background and standard count value)
(6)
Cleaning
Light Source
Semiconductor Laser Diode
Detector System
Photodiode
Measuring Method
Light Scattering
Display
Graphic LCD (128×64 dot) with backlight
Displayed Items
(1)
Remaining Battery Level (10 levels)
(2)
Measurement Time (Remaining Measurement Time)
(3)
Measurement Value
(4)
Measurement Mode
(5)
K Factor
(6)
Graph
Output Terminal
Analog Output (The output range setting can be switched over.)
- 0 – 1 mg/m3 range: 0-1V
- 0 – 10 mg/m3 range: 0-1V
- AUTO mg/m3 range: 0 – 1 mg/m3 range: 0-1V
1 – 10 mg/m3 range: 0.1-1V
- 0 – 1,000 CPM range: 0-1 V
- 0 – 10,000 CPM range: 0-1 V
- AUTO CPM range: 0 – 1,000 CPM range: 0-1 V
1,000 – 10,000 CPM: 0.1 – 1 V
Pulse Output (Photo-coupler Contact Output)
Alarm Output (Photo-coupler Contact Output)
Communication
USB Port
- Data Transfer
- Parameter Setting
- Remote Setting
Calibration Function
Auto Background
Factor of Mass Concentration
Conversion Coefficient
Settable on operation panel
(Settable range: 0.0001 ~ 0.0099, in increments of 0.0001)
Data log & Calculation
Function
Up to 100,000 data points can be saved.
Data Readout, Data Display
Calculation Function
