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Technical data flow sensor model IMF-ST, IMF-FA
Nominal flow
Nominal diameter
Overall length without con-
nectors
Overall length with connectors
approx.
Thread meter G x B
Thread connector R x
Metrological class
Installation position
Pulse value
Pulse cable length
Maximum flow
Maximum flow*
Medium temperature range
Pressure class
Ambient conditions / climatic
influencing
Pressure loss at q
p
Heat carrier
Height
Width
Weight
* optionally
Dimensions IMF-ST
q
m³/h
3.5
p
DN
mm
25
Inch
1
L2
mm
135
L1
mm
253
D1
Inch
1 ¼
D2
Inch
1
Standard: Class 2, optionally class 3 according to EN 1434
Horizontal (the register always has to face upwards)
l/pulse
10
m
1.5 / 3 (extendable by 7 m)
q
m³/h
7
s
q
m³/h
0.14
i
°C
5 °C ≤ Θq ≤ 120 °C
PN/PS
bar
16
Highest permissible ambient temperature 55 °C
- climatic
Lowest permissible ambient temperature 5 °C
Protection class IP65
- metrological class M2
- electromagnetic
E2
class
bar
≤ 0.25
Water
glycol (without Declaration of conformity)
H1
mm
195
B
mm
95
kg
3.1
Dimensions IMF-FA
3.5
6
6
25
25
25
1
1
1
150
135
150
268
253
268
1 ¼
1 ¼
1 ¼
1
1
1
10
10
10
7
12
12
0.12/
0.12/
0.14
0.24
0.24
195
195
195
95
95
95
3.1
3.1
3.1
ZENNER International GmbH & Co. KG
Römerstadt 6
66121 Saarbrücken
Germany
Phone
Fax
E-Mail
Internet
6
10
10
32
40
40
1 ¼
1 ½
1 ½
150
150
200
274
278
328
1 ½
2
2
1 ¼
1 ½
1 ½
10
10
10
12
20
20
0.12/
0.2/
0.2/
0.24
0.4
0.4
206 (ST)
231 (ST)
195
197 (FA)
212 (FA)
95
110
110
3.1
5.5
5.5
+49 681 99 676-30
+49 681 99 676-3100
info@zenner.com
www.zenner.de
9
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