Hanna Instruments HI 933300 - Manual (Page 27)

25
than the holes on the PVC sleeve. Tap the
probe repeatedly on the bottom of the
beaker and stir it to ensure that no air
bubbles are trapped inside the sleeve.
• When the " 80.0 mS" stops blinking,
indicating that the measurement has sta-
bilized, press the CFM key again to con-
firm the fifth calibration point.
• If the value is out of the slope range, an
" E4 " error message will appear on the
secondary display. Press the CAL key to
re-calibrate the value.
• If everything is satisfactory the calibration
ends and the meter will return to the nor-
mal operational mode.
Note:
• If the instrument will not calibrate refer
to the Probe Maintenance and Clean-
ing section (see page 48).
• It is always possible to quit the cali-
bration mode by pressing the CAL key.
mS
CFM
CAL
CAL