KROHNE ALTOFLUX 2W IFM 4042K EN User Manual
Page 38
Section 5.4
Part C Technical data, Block diagram and Measuring principle
ALTOFLUX 2W
02/2001
38
5.4
IFS 4002 Primary head
Meter sizes
DN 10, 15, 25, 50, 80, 100, 150 and
3
/
8
“,
1
/
2
", 1“, 2“, 3“, 4“, 6“
Pipe flanges
to DIN 2501 (= BS 4504)
to ANSI B 16.5
DN 10, DN 15, DN 25, DN 50, DN 80 / PN 40
DN 100, DN 150 / PN 16,
3
/
8
“,
1
/
2
", 1“, 2“, 3“, 4“, 6“, class 150 lb / RF
Electrical conductivity
≥
5
µ
S/cm
≥
20
µ
S/cm for demineralized cold water
Temperatures
Ambient temperature
-25 to + 60 °C
-13 to +140 °F
-25 to + 40 °C
-13 to +104 °F
Process temperature
-25 to
≤
+ 60 °C
-13 to
≤
+140 °F
-25 to
≤
+140 °C
-13 to
≤
+284 °F
Insulation class of field coils
H /
≤
140 °C /
≤
284 °F process temperature
Power supply for field coils
from signal converter
Electrode design
Flat elliptical electrodes, fixed mounted,
surface polished
Protection category (EN 60 529 / IEC 529)
IP67, equivalent to NEMA 6
Grounding rings
Available as option
Materials
Measuring tube
austenitic stainless steel
Liner
DN 10 – 15 /
3
/
8
“-
1
/
2
"
Teflon
®
- PTFE
DN 25 – 150 / 1“- 6“
Teflon
®
- PFA
(reinforced with stainless steel mesh)
Electrodes
Standard
Hastelloy C
Option
Stainless steel 1.4571 or SS 316 Ti,
Hastelloy B, titanium, tantalum, platinum-
Iridium, others on request
Connecting flanges *
DIN:
DN 10 - 80 (
3
/
8
“ - 3“)
steel 1.0460 (C 22.8) or ANSI C 1020
≥
DN 100 (
≥
4)
steel1.0038 (RST 37.2) or ANSI C 1035
ANSI
steel ASTM A 105 N
Housing *
DN 10-15 /
3
/
8
“-
1
/
2
"
GTW-S 30
≥
DN 25 /
≥
1“
Sheet steel
Grounding rings
Stainless steel 1.4571 or SS 316 Ti,
Hastelloy C, Hastelloy B, titanium, tantalum
* with polyurethane coating