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Table of Contents
1 Specifications
on page 3
2 General information
on page 3
3 Modbus registers
on page 5
Section 1 Specifications
Specifications are subject to change without notice.
The product has only the approvals listed and the registrations, certificates and declarations officially
provided with the product. The usage of this product in an application for which it is not permitted is
not approved by the manufacturer.
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
Section 2 General information
In no event will the manufacturer be liable for damages resulting from any improper use of product or
failure to comply with the instructions in the manual. The manufacturer reserves the right to make
changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer's website.
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
4 Installation
on page 6
5 Configuration
8350.4
Measuring pH in a
waste water
environment
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
6 bar @ 25 °C
< 0.01 pH
6
> 10
Mohm
on page 16
8350.5
Measuring ORP
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
8351
PPS
110 °C
10 bar
N/A
N/A
N/A
English 3
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