User Guide

38
CALIBRATION PROCEDURE OF
HI943500 WITH HI7638
Material needed
• HI7638 conductivity probe
• HI943500 conductivity controller
• Calibration solutions, according to the different models:
HI7034 80mS/cm @25°C for HI943500A
HI7030 12.88mS/cm@25°C for HI943500B
HI7031 1413 µS/cm @25°C for HI943500C
HI7033 84 µS/cm @25°C for HI943500D
PROCEDURE
• Ensure that the probe is connected
to the meter securely by aligning the
pins with the socket, pushing the
plug in and tightening the threaded
ring.
• Insert the probe into the sleeve.
• With the conductivity probe in air,
press the MEASURE key to set the
meter to MEASURE mode.