Hanna Instruments HI 3221 Instruction Manual page 32

The following table lists the specific range parameters.
Item Description
Calibr. Number of days after
Timeout Calibration warning
(pH & ISE) is displayed
First point Management of 1
mode (pH) point calibration
Custom buffer Custom buffer
(pH) setting
pH Resolution Set pH resolution
display
View calibr. Display calibration
points (pH) points
Display out of calibr.
range warning
ISE probe Type of ISE probe
(HI 3222 only)
ISE unit
(HI 3222 only)
Ion Charge ±1, ±2, none
(HI 3221 only)
To enter SETUP menu, press SETUP function key while in measuring mode.
If SETUP is not displayed press MENU key.
Valid value Default
Disable, 1 to 7 days Disable
Replace or offset Replace
Max. 5 buffers
0.1, 0.01
0.001
Enable or disabled Enable
Enable or disable Enable
Custom or Standard (18) Fluoride
User, ppt, g/L, ppm, mg/L
ppb, M, mol/L, mmol.L, % W/V
32
No
0.01
ppm
+1