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Handheld laser particle counter for monitoring cleanroom particulate concentrations, indoor air quality and exposure to dust
This is a handheld laser optical particle counter, or dust particle measuring device, for measuring the concentration of particles in the air. The dust particle measuring device is ideal for monitoring cleanrooms, indoor air quality, exposure to exhaust, tobacco or cigarette smoke and other harmful air pollutants, and levels of airborne dust. Cigarette smoke particles mainly are distributed in the size range from 0.1 to 1.0 micron.
A variety of materials are explosible in dust form. Some examples include: food (e.g., candy, sugar, spice, starch, flour and feed), grain, tobacco, plastics, wood, paper, pulp, rubber, pesticides, pharmaceuticals, dyes, coal and metals (e.g., aluminum, chromium, iron, magnesium and zinc). These materials are used in agriculture, chemical manufacturing, pharmaceutical production, furniture, textiles, fossil fuel power generation, recycling operations, metal working and processing (including additive manufacturing and 3D printing) and many other industries and processes.
In addition to being a combustion hazard, certain kinds of dust can be a health hazard. Exposure (such as skin contact, eye contact and inhalation) can be linked to sneezing, a stuffy or runny nose, itchy or red eyes, headaches, fatigue, fever, cough, shortness of breath, dermatitis, asthma, bronchitis, pneumonia (e.g., Legionnaires’ disease and hypersensitivity pneumonitis) and cancer.
- Measures 6 sizes of particles: 0.3 µm, 0.5 µm, 1.0 µm, 2.5 µm, 5.0 µm, 10 µm
- Offers a robust 80 MB internal memory and microSD card slot
- Features a large, full-color LCD display with backlight
- Includes a built-in camera for image and video recording
- Contains sensors for measuring air temperature, dew point and relative humidity
- Displays temperature measurements in degrees Celsius (°C) or degrees Fahrenheit (°F)
- Includes a 2-year warranty against manufacturer defects
Specifications
| General specifications | |
| Environmental conditions | 0 ... +50 °C / +32 ... +122 °F, 10 ... 90 % RH (non-condensing) |
| LCD display | 2.8 '' / 320 x 240 pixels, back-lit, color |
| Rechargeable battery | Operating time ~ 4 hours |
| Dimensions | 240 x 75 x 55 mm / 9.45 x 2.95 x 2.17'' |
| Weight | 420 g / 0.93 lb |
| Memory |
Internal: 80 MB External: Micro SD card up to 8 GB (optional) |
| Particle counting specifications | |
| Measurable particle sizes (channels) | 0.3 µm / 0.5 µm / 1.0 µm / 2.5 µm / 5.0 µm / 10 µm |
| Flow rate | 0.1 cfm (2.83 L/min) |
| Coincidence error | <5% at 2,000,000 particles per cubic foot |
| Counting efficiency |
50 % at particle size 0.3 µm 100 % at particle size> 0.45 µm (per ISO 21501) |
| Data storage | 5000 records |
| Counting modes | Cumulative, differential, concentration |
|
Air temperature, dew point and relative humidity measuring specifications |
|
| Air temperature measuring range | 0 ... +50 °C / +32 ... +122 °F |
| Air temperature accuracy |
±0.5 °C with +10 ... +40 °C / +50 ... +104 °F Otherwise ± 1 °C |
| Dew point measuring range | 0 ... +50 °C / +32 ... +122 °F |
| Dew point accuracy |
±0.5 °C with +10 ... +40 °C / +50 ... +104 °F Otherwise ± 1 °C |
| Relative humidity measuring range | 0 ... 100 % RH |
| Relative humidity accuracy |
±3 % RH with 40 ... 60 % RH ±3.5 % RH with 20 ... 40 % and 60 ... 80 % RH ±5 % RH with 0 ... 20 % and 80 ... 100 % RH |
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