![background image](http://html1.mh-extra.com/html/hanna-instruments/hi-8666/hi-8666_instruction-manual_3674745012.webp)
10
•
Wait for the measurement
to stabilize (approximately
4 hours)
•
Insert the probe in the "RH 75.4%" cham-
ber, the multimeter reading should be
16.06 mA: this represents the theoretical
chamber value of 75.4% RH.
•
The relative humidity calibration check-
ing procedure is complete. If the therotical
values are not within ±1%, contact your
dealer or your closest Hanna Service
Center for a fast and accurate
recalibration.
Spare saturation salts are also available:
HI 7111/P (LiCl) for low range humidity, and
HI 7121/P (NaCl) for high range humidity.
12
3
6
9
4 h
mA