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Product Detail

Forward Light Scatter Dust Monitor QAL181

Features

This monitor can make stable detections regardless of the presence or absence and types of dust chambers and exhaust gas treatment systems including a large boiler and large kiln.

  • The pin spot measurement minimizes the influence of various conditions.
  • High resolution: 0.1 mg/m³
    Recommended measuring range: 0 to 10/100 mg/m³
  • A zero span self-diagnosing function is provided.
  • 16-channel sensors are supported by the multi-controller (optional).
  • Dust

Operating Principles

Laser light is irradiated on dust particles, and the scattered light (forward light scattering method) is collected and scattered by the mirror, and then detected through the quartz rod. As forward-scattered light from which the largest scattering intensity can be obtained is collected with an efficient collection mirror and detected through the quartz rod without transmission loss, the monitor can make stable detections with less influence of noise.

Standard Specification
Model QAL181 Sensor
Housing Material ADC(epoxy coated)
Enclosure Rating IP65
Temperature Ambient Temp:-25℃~+55℃
Temperature inside the exhaust gas pipe:
0℃~+250℃(Standard)
0℃~+400℃(Option)
Min. Duct Dia. φ250mm
Process Connection Flange 80A over
Air purge Requires continuous air supply of 30 to 40 litres/minute.
            
Model QAL181 Interface Module
Power Supply 90~260VAC 1A(50/60Hz)
Outputs DC4~20mA
(isolated, resistance load max.500Ω)
Serial RS232C・RS485
Relay contact 1cX2(AC250V 2A)
Inputs
Sensor connection point 1
Resolution < 0.01mg
Self-checks Zero and Span checks
Memory capacity (1 Sensor)
Short:7 days @ 1 minute
Pulse data:2 hours @ 1 second
Alarms:500 entries
Housing Material ADC(epoxy coated)
Enclosure Rating IP65
Display LCD(Bar-graph,Values,Trend screen etc)
Product LineupWhen it's clicked, you can see details.

In addition to the above, various specifications are available.
For more information, see respective catalogs or contact us by phone or mail.

  • QAL181Standard Type

  • QAL181MultiController Type

QAL181
Standard Type

Suitable for emission gas measurement at big boiler or big kiln.
Long sensor (Whole length 1557mm) is available.
Self diagnosis function on the transmission surface of the sensor is available.

QAL181
MultiController Type

Max. 16pcs of sensors can be connected to a controller.
Suitable for emission gas measurement at big boiler or big kiln.
Long sensor (Whole length 1557mm) is available.
Self diagnosis function on the transmission surface of the sensor is available.

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