Periodically applying a gas of known concentration to the sensor is how you verify the proper operation of a catalytic combustible gas sensor. Gas supplied from a small lecture bottle is how this is carried out manually on site.

Adjustments are made to the monitoring system as the sensor reacts to the calibration gas, bringing its calibration into agreement with the known concentration of gas.

Unfortunately at times sensors are found in inaccessible locations. This sometimes leads to the necessity of expensive catwalks or scaffolding in order to reach them.

The Automatic Remote Gas Calibrator (ARGC) allows the calibration gas to be applied to the catalytic bead sensor from easily accessible locations. The ARGC is used for blocking ambient air and redirecting methane to the catalytic sensor for calibration or testing sensor accuracy.

The ARGC tests or calibrates the MSA Safety catalytic sensor with 50% LEL methane. The unit is capable of calibrating gas at wind velocities up to 50 mph. Note: the RGC (P/N 80153-1), used manually with a pressure regulator (P/N 80147-1), is suitable for calibrating with any light hydrocarbon.

Features & Benefits

  Capable of being actuated electronically when used with S4000CH allowing operators to calibrate detector via HART or Modbus
  No electrical wiring or connections for ease of installation
  Two-part design for gas application makes it easy to calibrate sensor in remote locations
  Checks integrity of the gas sensor diffusion path for fail safe operation

Applications

  Hard-to-reach sensor locations
  Warehouses
  Drilling rigs
  Crude oil pumping stations
  Petrochemical plants
  Refineries
  Aircraft hangars

Data Sheet

80155-1 ARGC - Automatic Remote Gas Calibrator

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