Low Volume Aerosol Sampler DPA-14

Specifications

Sampling

• Flow rate: 15 – 50 l/min
• Filter: round filters of d = 47 mm, flowing area d = 40 mm
• Filter changer capacity: 30 filters in filter magazine plus one in sampling position
• Application range: -20° to 50° C; 0 % to 95 % RH, -40° to 50° C with additional heater, 2000 amsl

Time programs

• Work, Pause (0 to 99’999 minutes each)
• Start time adjustable, using date and time
• Different sampling cycles programmable

Protocol files

• Data of filter, temperature, pressure, humidity, flow, blower load
• Calibration history, sensor mean value record file
• Settable averaging period 1 min – 24 h

Accuracy

• Constancy of sample flow: <2% with calibration at 20°C, operating at -20°C-+50°C

Operating Data

• Power supply: 230V AC / 50-60 Hz; max. 2A/180 W
• Mean consumption 80 W
  incl. cooler (50%): 100 W
• Cooling capacity of compressor: 360 W
  (Option), max. power consumption 40W
• Mean life cycle suction unit: > 16’000 h
• Sensors: Ambient and flow pressure, temperature, humidity, filter storage temperature

Interfaces

• RS232C, USB, Ethernet, RS485
• Interface protocols:  DIGITEL, Bayern-Hessen, AK, TCP/IP, HTTP, FTP
• Internal memory:  16MB, ring buffer, filter data of two years of daily sampling

Inlets

• TSP, PM10, PM2.5 and PM1, customized inlets on request

Materials

• Coated aluminium, stainless steel, POM, PTFE, NBR
• Material of sampling line: EMATAL coated aluminium

Dimensions & Weight

• Field housing (without inlet) 526x 235 x 1020 mm, 33 kg (36 kg with cooling), protection class IP54
• Indoor housing (without inlet) 448 x 204 x 922 mm, 25 kg

Noise level

• <50dB(A) at 1m, <32dB(A) at 8m

Sensor specifications

• Flow sensor accuracy (calibrated): < 1 %
• Ambient & internal pressure sensor range/ accuracy (calibrated): 300 – 1100 hPa/ ± 0.12 hPa
• Ambient & internal temperature sensor range/ accuracy (calibrated): -40 – +65°C/ ± 0.5°C
• Ambient & internal humidity sensor range/ accuracy: 0 – 60°C; 0 – 100 %/ ± 3 % rH
• Filter storage temperature sensor range/ accuracy: -20 – +60°C/ ± 0.1°C