SenTix
®
Technical data
3
ba75739e02
07/2013
Technical data
General data
Measurement and application characteristics
Shaft dimensions, shaft material, electrical connection
* Connection cable not included in the scope of delivery of the combination
electrode (see W
EAR
PARTS
AND
ACCESSORIES
)
** Coaxial plug according to DIN 19262
WTW model
Reference electro-
lyte
Junction
NTC
Special features
SenTix
®
H
KCl 3 mol/L, Ag
+
free Ground
No
Adjustable ground junc-
tion
SenTix
®
HW
KCl 3 mol/L, Ag
+
free Ground
No
Adjustable ground junc-
tion
SenTix
®
HWD
KCl 3 mol/L, Ag
+
free Ground
Yes
WTW model
pH measur-
ing range
Allowed tempera-
ture range
Membrane resis-
tance at 25 °C
Typical application
SenTix
®
H
0 ... 14
0 ... 80 °C
< 2 GOhm
Highly alkaline and
highly saltine solutions
SenTix
®
HW
0 ... 14
0 ... 60 °C
< 800 MOhm
Solutions with low ion
contents, emulsions,
suspensions
SenTix
®
HWD
0 ... 14
-5 ... 100 °C
< 600 MOhm
WTW model
Shaft
Electrical connection
Length
[mm]
Ø
[mm]
Material
Combination
electrode
connection
Meter connection Cable
length
SenTix
®
H
170
12
Glass
S7 plug-in
connector
depending on S7 cable*
SenTix
®
HW
170
12
Glass
S7 plug-in
connector
depending on S7 cable*
SenTix
®
HWD
170
12
Glass
Fixed cable
DIN** + banana
1 m
