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Digital Aerosol Monitor Model 3431 |
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Indoor Air Quality Investigation
Industrial Hygiene Health & Safety Applications Exposure Monitoring Manufacturing Process Control |
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Compact
Dust/Aerosol Monitor
Benefits
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Measuring Method |
Light Scattering Method |
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Measuring Object |
Aerosol particles, φ10μm or smaller |
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Measuring Range |
0.001 – 9.999mg/m3 (1 – 9999cpm, 1cpm=0.001mg/m3 for φ0.3μm stearic acid particles) |
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Accuracy |
+/-10% of reading +/-1cpm (or 0.001mg/m3) |
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Linear Characteristics |
+/- 5% of reading |
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Measuring Time |
1 minute / 3 minutes / 10 minutes with built-in timer, and continuous mode |
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Light Source |
Laser diode |
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Detector |
Photo diode |
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Operations Environment |
35 – 104ºF (5 – 40ºC) under 85%RH |
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Display |
4-digit LCD, dust count value (cpm), relative mass concentration value |
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Indicators |
Cleaning, measuring mode, battery status, concentration conversion operation, zero point confirmation |
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Output |
Analog output, 0 – 10,000cpm = 0 – 2.5V |
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Power Supply |
AC 100V adapter and dry cell batteries (6 x AA batteries) |
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Dimensions |
6.4” x 2.4” x 39” (162 x 62 x 100mm) not including the nozzles |
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Weight |
2.2 Lbs. (1kg) not including batteries |
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Accessories |
AC adapter, micro-screwdriver, alkaline dry cell batteries (6 x AA) shoulder strap |
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Options |
Carrying case, Soft case, Analog output cable |
