Ambient air dust monitoring

AirSafe

Continuous dust monitoring in ambient air: control system areas, silo areas, boiler houses, work stations

Electrodynamic dust sensor monitoring leakages and dust concentration in ambient air in production facilities or workplaces. Alarm generated when a threshold is exceeded.

  • controlled and self-monitored system
  • calibratable
  • Prevents creation of dust explosion zones
  • Dust concentrations at work stations are safely monitored
  • AirSafe can be used as early detection for dust which could endanger the workplace
  • Also for applications in zone 22 dust
  • Possible dust escape from system parts is quickly detected
  • Food
  • Paper
  • Chemistry
  • Power Plant
  • Cement
  • Hospital

Application examples:

[everest_gallery alias=”AirSafe-applications”]
  • Monitors concentrations on the basis of pre-set limit values
  • Can be used as early detection for dust which could endanger the workplace
Sensor Technical Data
Measuring objects Solid particles in a gas stream
Particle size 0.3 µm or larger
Measurement range From 0.1 mg/m3
Ambient temperature – 20 . . . + 60 °C
Humidity 95 % RH (non-condensing)
Measurement principle Electrodynamic
Damping time 1 s
Output signals Relay output, either NC or NO
Dimensions (L x W x H) 500 x 100 x 240
Housing material Sensor: Aluminium
Flow duct: St52 power-coated
Power supply 24 ± 10 % V DC
Rating Max. 10 W
MElectrical connection Screw terminals
Weight 5.5 kg
Transmitter Technical Data
Power supply 24 V DC ±10 %
Power consumption 20 W / 24 VA
Protection type IP 40 to EN 60 529
Ambient operating temperature -10 … +45 °C
Dimensions (W x H x D) 23 x 90 x 118 mm
Weight Approx. 172 g
DIN rail fastening DIN 60715 TH35
Connection terminals cable
cross-section
0.2-2.5 mm2 [AWG 24-14]
Current output 1 x 4 … 20 mA (0 … 20 mA), load < 500 Ω
Interface ModBus RTU (RS 485) / USB
Pulse output Open collector – max. 30 V, 20 mA
Relay contact Max. rated load: 250 V AC
Max. peak current: 6 A
Max. rated load 230 V AC: 250 VA
Max. breaking capacity DC1: 3/110/220 V: 3/0.35/0.2 A
Min. switching load: 500 mW (10 V / 5 mA)
Data backup Flash memory

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