The Hazardous Environment Detection Company
Calibration
• Modify Span Value
– Allows you to change the calibration gas
values to use other cal gases
– Do not change if you are using the RAE
Systems cal gas supplied with your meter
• Change LEL/VOC Span Gas?
– Allows you to change the calibration gas
from methane (LEL) & isobutylene (VOC)
– Do not change if you are using the RAE
Systems cal gas supplied
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