YSI 85 - Manual (Page 17)

Calibration Section 5
YSI, Incorporated Model 85 13
10.00
µS
24.8 o
C
CAL
9. Use the UP ARROW or DOWN ARROW button to adjust the reading on the display until it
matches the value of the calibration solution you are using.
10. Once the display reads the exact value of the calibration solution being used (the instrument will
make the appropriate compensation for temperature variation from 25°C), press the ENTER
button once. The word “SAVE” will flash across the display for a second indicating that the
calibration has been accepted.
The YSI Model 85 is designed to retain its last conductivity calibration permanently. Therefore,
there is no need to calibrate the instrument after battery changes or power down.