Electrodynamic Dust Monitor View 370 Plus/View 370/Leak Alert 73/75

 

      ►Features

 

Compared with general friction charge methods and the conventional optical detection method, this dust monitor has a high resolution and stability without being easily affected by adhesion of dust to the probe.

  • It is rarely affected by adhesion and contamination on the probe.
  • Extremely high sensitivity of 0.01 to 1000 mg/m3.
  • High-humidity gases can be measured by special air purge. (VIEW370/VIEW370 PLUS)
  • Support for 16-channel sensor (VIEW370 PLUS)
  • It can be connected with our different models using a common path. (VIEW370 PLUS)

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      ►Operating Principles  
The charge transfer of fine particles such as dust flowing across a pipe or airflue is applied to static induction and detected by the noncontact sensor. This signal is measured and converted into an alternating-current response. The friction current produced when particles directly hit the probe is cut and this realizes stable output through the special circuit. ELECTRODYNAMIC DUST MONITOR operating principles

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      ►Standard Specification
 
Model VIEW370
Interface module		 VIEW370 PLUS
MultiController
Power Source 　AC90～260V 1A(50/60Hz) 　AC90～260V 1A(50/60Hz)
Outputs 　DC4～20mA
　（isolated, resistance load
　max.500Ω）
　Serial RS232C・RS485
　Relay contact 1cX2(AC250V 2A)		 　DC4～20mA
　（isolated, resistance load
　max.500Ω）
　Serial RS232C・RS485
　Relay contact 1cX4(AC250V 2A)
Inputs   　4 digital inputs
Sensor connection point 　1 　1－16
Resolution 　< 0.01mg 　< 0.01mg
Self-checks 　Communication
　probe insulation
　Zero and Span checks		 　Communication
　probe insulation
　Zero and Span checks
Memory capacity 　（1 sensor）
　Long：12 months @ 15 minutes
　Short：7 days @ 1 minute
　Pulse data：2 hours @ 1 second
　Alarms：500 entries		 　（4 sensor）
　Long：2 months @ 15 minutes
　Short：7 days @ 1 minute
　Pulse data：2 hours @ 1 second
　Alarms：500 entries
Housing 　Enclosure Rating　IP-65
　Material　ADC
　（epoxy coated）		 　Enclosure Rating　IP-65
　Material　ADC
　（epoxy coated）
Display 　LCD
　（Bar-graph,Values,
　Trend screen etc）		 　LCD
　（Bar-graph,Values,
　Trend screen etc）
Temperature 　Ambient Temp.　-25℃～+55℃ 　Ambient Temp.　-25℃～+55℃
      ►Product Lineup

    • VIEW370
      Standard Type

    • VIEW370 PLUS
      MultiController Type

    • VIEW Ex800
      ATEX Intrinsically Safe Type

    • LeakAlert75/73
      Controller-integrated Type

 

 

 

 

 

 

 

 

 

 

 

 
 
 

 

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