Hach Polymetron 8350.3 Manuel De L'utilisateur page 3

Table of Contents
1 Specifications on page 3
2 General information
3 Installation on page 6
Section 1 Specifications
Specifications are subject to change without notice.
1.1 pH/ORP sensors
Application
Material
Measurement
range
Maximum
temperature
Maximum
pressure
Repeatability
(week)
Offset @ pH7
Slope
Reference
impedance @
25 °C
Glass impedance
@ 25 °C
Application
Material
Measurement range
Maximum temperature
Maximum pressure
Repeatability (24 hours)
Input impedance
on page 4
8350.3
Measuring pH in
samples Measuring pH at
containing high temperatures
hydrofluoric acid
PPS
0—12 pH
110 °C
10 bar
< 0.05 pH
± 0.34 pH
56—61 mV/pH 56—61 mV/pH
< 50 Kohm
100—150 Mohm 150—500 Mohm
Measuring pH in pure or ultra
316L stainless steel
6 bar @ 25 °C
4 Maintenance
5 Replacement parts and accessories
on page 9
8350.4
Measuring pH in a
waste water
environment
PPS
0—14 pH
110 °C
10 bar
< 0.05 pH < 0.05 pH
± 0.34 pH ± 0.34 pH
56—61 mV/pH
< 50 Kohm < 50 Kohm
50—250 Mohm
8362
pure water
2—12 pH
80 °C
< 0.01 pH
6
> 10 Mohm
on page 8
8350.5
Measuring ORP
CPVC
0—12 pH ± 1500 mV
80 °C
10 bar
< 0.05 pH
< 50 Kohm
8417
Measuring pH in industrial and
waste water treatment plants
Glass membrane, ceramic
junction
0—14 pH
110 °C
10 bar @ 25 °C
0.02 pH
100 Mohm
8351
PPS
110 °C
10 bar
N/A
N/A
N/A
English 3