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Page 16
SITRANS LG200 – INSTRUCTION MANUAL
7ML19985KA02
Specificat
ions
Twin Rod Probe
(7ML1302-1)
Flexible Twin Rod Probe
(7ML1302-3)
Flexible Twin Rod Bulk Solids
Probe (7ML1302-2)
Model reference
number
7xB-x
7x7-x
7x5-x
Recommended
applications:
General purpose,
foam, minor film
coating
Low dielectric media (1.9 to 10)
with lengths > 6 m (20 ft)
Granular light bulk solids
applications (powders, grains,
dust), 3000 lbs pull-down force
Not recommended for: Media bridging
between rods or
building up on spacers
Dielectric > 10: media bridging
on flexible elements
Media bridging flexible elements
Materials/wetted
parts
316L SS, TFE spacers,
O-ring
1
1.
See O-ring Selection Guide for guidance
316L SS, FEP webbing, O-ring
1
316L SS, FEP webbing, O-ring
1
Process seal
O-ring
1
O-ring
1
Sealant
Rod/tube diameter
Two, ø 12 mm (0.5”)
rod; 22 mm (0.875”) C
L
to C
L
Two, ø 6 mm (0.25”) cables;
22 mm (0.875”) C
L
to C
L
Two, ø 6 mm (0.25”) cables; 22 mm
(0.875”) C
L
to C
L
Process connection
thread
2” NPT [(Taper), ANSI/
ASME B1.20.1],
G 2” [(BSPP), EN ISO
228-1]
2” NPT [(Taper), ANSI/ASME
B1.20.1], G 2” [(BSPP), EN ISO
228-1]
2” NPT [(Taper), ANSI/ASME
B1.20.1], G 2” [(BSPP), EN ISO 228-
1]
Flange ASME (EN/
DIN)
2 to 4” (DN 50 to 100) 2 to 4” (DN 50 to 100)
2 to 4” (DN 50 to 100)
Length
60 to 610 cm (24 to
240”)
1 to 22.5 m (3 to 75 ft)
1 to 22.5 m (3 to 75 ft)
Transition zone
2
:
Top
2.
Transition zone is dielectric dependent: dK = dielectric permittivity. Unit will function but
accuracy will decrease in Transition Zone
150 mm (6”) @ dK > 1.9
Blocking distance:
none
150 mm (6”) @ dK > 1.9
Blocking distance: 12 to 50 cm
(4.8 to 20”)
150 mm (6”) @ dK > 1.9
Blocking distance: 12 to 50 cm (4.8
to 20”)
Transition zone:
Bottom
150 mm (6”) @ dK = 1.9
25 mm (1”) @ dK = 80
305 mm (12”)
305 mm (12”)
Process temperature
max.
3
3.
Refer to Ambient Temperature vs Process Temperature graphs or instruction manual
+200 °C @ 19 bar g (+400 °F @ 275 psi g)
+66 °C @ 3.4 bar g
(+ 150 °F @ 50 psi g)
Process temperature
min.
-40 °C @ 70 bar g (-40 °F @ 1000 psi g)
-40 °C @ 3.4 bar g (-40 °F @
50 psi g)
Process pressure
max.
70 bar g @ +20 °C (1000 psi g @ +70 °F)
3.4 bar g @ +66 °C (50 psi g @
+ 150 °F)
Process pressure
min./vacuum service
Yes, not hermetic
Not suitable
Dielectric range
1.9 to 100
1.9 to 100
1.9 to 100
Maximum viscosity
(cP)
1500
1500
Not suitable
Coating/buildup
Yes, maximum error 3% of coated length with conductive media
Bridging not recommended.
4
4.
Bridging is defined as continuous accumulation of material between the probe elements
Foam
Yes
Yes
Yes
Corrosives
Yes
No
Yes
Sanitary
No
No
No
Overfill
No
No
No
Содержание 7ML1301-1
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Страница 59: ...7ML19985KA02 SITRANS LG200 INSTRUCTION MANUAL Page 55 SIMATIC PDM ...
Страница 60: ...Page 56 SITRANS LG200 INSTRUCTION MANUAL 7ML19985KA02 SIMATIC PDM Notes ...
Страница 96: ...Page 92 SITRANS LG200 INSTRUCTION MANUAL 7ML19985KA02 Hazardous Installation ...