NAVI F-52, Instruction Manual

Page: 206 / 270

Chapter 15 Maintenance and troubleshooting
15.1 Maintenance
F-52, 53, 54, 55 193
15.1.2 Ion electrode maintenance
Refer to the electrode operation manual for how to take care of each kind of electrode.
●
Ion electrodes
(*) :
Change in the electric potential of the electrode (25ºC)
when the ion concentration is changed by a factor of 10.
The above electrodes are subject to change without notice.
Maintenance of the ion electrodes listed in the above table begins, on next page.
Ion to be
measured
Ion
type
Slope
(*)
Measurement
range
Elect
-rode
mod-
el
Comp
atible
tip
model
standard
solution
Potassium
K
+
+1 +58 mV 0.04 to 39,000
mg/L
6582
-10C
7682 3.33 mol/L
NaCl
Calcium
Ca
2+
+2 +29 mV 0.4 to 40,080
mg/L
6583
-10C
7683 3.33 mol/L
KCl (#300)
Chloride
CI
-
-1 -59 mV 0.4 to 35,000
mg/L
6560
-10C
7660 1 mol/L
KNO
3
Fluoride
F
-
-1 -59 mV 0.02 to 19,000
mg/L
6561
-10C
7661 3.33 mol/L
KCl (#300)
Nitrate
NO
3
-
-1 -55 mV 0.06 to 62,000
mg/L
6581
-10C
7681 1 mol/L
KCl
Ammonia
NH
3
+1 -59 mV 0.1 to 1,000
mg/L
5002
-10C
Included
internal solu-
tion NH
4
Cl