Particle counter with durable laser diode
Conforms with ISO 21501-4
6 particle size channels from 0.3 to 10 ¼ m
Detects size fractions and concentrations of air particles
Also measures environmental factors such as air temperature, humidity, dew and wet-bulb temperature
Data logger for 5, 000 measurements on the internal memory ( optional memory expansion of up to 8 GB with a MicroSD card)
Integrated digital camera for photo and video documentation of the measured environment
Additional colour indicator display with automatic acoustic alarm for quick detection of critical particle concentrations
2.8 inch colour LCD display with backlight for simultaneous display of all measured parameters
Ergonomic single-handed operation
Tripod mount for continuous measurement on a tripod
PC measurement data export via USB interface

Technical details of the PC200

A. Particle counter
• Measuring channels : 6
• Channel sizes : 0.3 ¼ m, 0.5 ¼ m, 1.0 ¼ m, 2.5 ¼ m, 5.0 ¼ m, 10.0 ¼ m
• Counting modes : Concentration, cumulative, differential
• Counting efficiency : 50% at 0.3 ¼ m; 100% for particles > 0.45 ¼ m
• Flow rate : 2.83 l/ min ( 0.1 ft³ / min) , controlled by internal pump
• Zero count : < 1 particles / 5 min.
• Coincidence loss : 5% , 2 million particles per ft³ ( 28.3 litres)
• Light source : Laser class 3B, wave length 780 nm, 90 mW
• Sample inlet : Isokinetic probe

B.Air temperature
• Measuring range : 0° C to 50° C ( 32° F to 122° F)
• Accuracy : ± 0.5° C ( 0.9° F) at 10° C to 40° C ( 50° F to 104° F) , ± 1.0° C ( 1.8° F) at other temperature ranges

C. Humidity
• Measuring range : 0 to 100% RH
• Accuracy : ± 3% at 40% to 60% , ± 3.5% at 20% to 40% and 60% to 80% , ± 5% at 0% to 20% and 80% to 100%

D. Dew point temperature
• Measuring range : -30° C to 100° C ( -22° F to 199° F)
• Accuracy : ± 0.5° C ( 0.9° F) at 10° C to 40° C ( 50° F to 104° F) , ± 1.0° C ( 1.8° F) at other temperature ranges

E. Wet-bulb temperature
• Measuring range : 0° C to 80° C ( 32° F to 176° F)
• Accuracy : ± 1.0° C ( 1.8° F)

F. Data storage
• Measurement data : 5, 000 data records on the internal flash memory ( optional memory expansion with a MicroSD card: up to 8 GB)
• Photo : JPEG format, resolution 640 x 480 pixels

G. Equipment
• Display : 2.8 inch colour LCD display, 320 x 240 pixels, with backlight
• Functions : maximum, minimum and average display, measured value hold function, alarm function, language selection, ° C/ ° F switch, photo or  video recording, adjustable automatic display switch-off ( 90 seconds, 2 minutes or 4 minutes) and device switch-off ( 3 minutes, 15 minutes or  60 minutes)
• Memory expansion : Slot for removable MicroSD memory card
• PC interfaces : USB connection
• Power supply:
• Battery type: NiMH battery
• Operating time: approx. 4 hours of continuous operation
• Charging time: approx. 2 hours with an AC adapter Physical characteristics:
• Dimensions L x W x H: 57 x 75 x 240 mm
• Weight: 570 g