6-1
6
CALIBRATION
The instrument has been calibrated for a particular ammable
gas mixture. Where any doubt exists, the instrument should
be returned to GMI or an authorised distributor for calibration.
Three methods of calibration are possible:
• Field Calibration.
• Manual or Automatic Calibration using exiCal Plus
software CD-ROM (GMI Part No. 99553). CD-ROM
includes user instructions.
• The GMI Instrument Management System (IMS)
provides all the facilities of Automatic Calibration
with the added feature of instrument database
management.
Note: The calibration systems above (hardware and
software) are manufactured by GMI. For more details
contact GMI or an authorised distributor.