RKI Instruments FP-40 - Manual (Page 11)

10
For each gas test, be sure to use new detection TAB. TABS are intended for one time use only, and
should not be opened until immediately before you intend to use them. If an already used TAB is
attempted to be used, an error message “TAB” may be shown. But, even if the error message is not
displayed, the detection result will not be correct if an old TAB is used.
After unpacking the detection TAB, it is subject to gas response and dust, which discolors the TAB due
to response to the measured. To maintain accuracy, start measurement immediately after unpacking.
If the TAB used is not the same TAB number the instrument believes you are using, the reading will not
be correct.
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Check that the number of the detection TAB corresponds to the TAB number of
displayed on FP-30 during the Start Measurement display.
Use TAB immediately after removing from package.
Always use a new detection TAB for readings