Calibrating the Model S4000CH Combustible Gas Detector with a remotely installed sensor is said to be easier than ever with the new Automatic Remote Gas Calibrator (ARGC) from General Monitors. The ARGC addresses the need for more convenient and expedient maintenance routines by allowing calibration gas to be applied to the catalytic bead sensor from easily accessible locations, according to the company.The ARGC consists of a Remote Gas Calibrator (RGC) and a solenoid valve. The ARGC blocks ambient air and re-directs the calibration gas to the catalytic bead sensor for calibration or testing sensor accuracy. The instrument can calibrate gases at wind velocities as high as 50 mph and maximum temperatures of 75°C. After connecting the ARGC to any S4000CH Detector, the calibrator can be operated manually or electronically via HART or Modbus, or the magnet menu.