• Measuring range: 0 ... 1.0000 aw
• Resolution: 0.0001 aw
• Accuracy: ±0.015 aw (10 ... 30°C / 50 ... 86°F)
• Adjustable measuring time
• 1 to 4-point calibration
• Memory: 5,030 data records
• Data transfer to PC software

PCE-PCO 1 is an airborne particle-counting hygiene meter or dust measuring device for measuring the concentration of particles in the air. The PCE-PCO 1 handheld particle counter:

• 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
• 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 in degrees Celsius (°C) or Fahrenheit (°F)

PCE-PCO 2 is a portable handheld airborne particle-counting hygiene meter or particle counter used to monitor particulate matter (PM) concentrations in the air. Designed to aid in indoor air quality (IAQ) assessments, this particle counter also measures air temperature, dew point and relative humidity.

• PM channels:PM 2.5, PM 10, including mass concentration mode (µg/m³)
• Particle sizes (in micrometers): 0.3 µm, 0.5 µm, 1.0 µm, 2.5 µm, 5.0 µm, 10 µm
• Temp. measuring range: 0 … +50 °C / +32 … +122 °F
• Humidity measuring range: 0 … 100 % RH
• Built-in camera for image and video recording
• Free software download on PCE Software web page