Hach Ultrapure pH/ORP Module Manuel D'utilisation page 3

Specifications
Specifications are subject to change without notice.
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
Antimony electrode sensors
Application
Material
Maximum temperature
Sample pressure
Maximum pressure (electrolyte container)
8350.3
Measuring pH in
Measuring pH at
samples containing
high temperatures
hydrofluoric acid
PPS
0—12 pH
110 °C
10 bar
< 0.05 pH
± 0.34 pH
56—61 mV/pH
< 50 Kohm
100—150 Mohm 150—500 Mohm
Measuring pH in pure or ultra pure
316L stainless steel
8350.4
Measuring pH in a
PPS
0—14 pH
110 °C
10 bar
< 0.05 pH
± 0.34 pH
56—61 mV/pH 56—61 mV/pH
< 50 Kohm
50—250 Mohm
8362
water
2—12 pH
80 °C
16 bar @ 25 °C;
6 bar @ 100 °C
< 0.01 pH
6
> 10 Mohm
Measuring pH or ORP in dirty water
80 °C (pH measurements with 8346)
120 °C (pH measurements with 8347)
50 °C (ORP measurements)
8350.5
waste water Measuring ORP
environment
CPVC
0—12 pH ± 1500 mV
80 °C
10 bar
< 0.05 pH < 0.05 pH
± 0.34 pH
< 50 Kohm < 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
8346 / 8347
Polypropylene
Atmospheric
5 bar
8351
PPS
110 °C
10 bar
N/A
N/A
N/A
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