Eclipse 705 Installation And Operating Manual page 37

PROBE SPECIFICATIONS
Description
Materials Probe
Process seal
Bottom spacer
Probe diameter 2" cage
3" cage
4" cage
Mounting
Process Connection
Probe length
Transition Zone ¿ Top
Bottom
Process Temp. ¡ Max
Min
Max. Process Pressure ¡
Max. Viscosity
Level
Dielectric Range
Interface
Vacuum Service
Media coating
Description
Materials Probe
Process seal
Spacers
Probe diameter Small coax
Enlarged
Mounting
Process Connection Small coax
all
Probe length
Transition Zone ¿
Top
Bottom
Process Temp. ¡ Max
Min
Max. Process Pressure ¡
Max. Viscosity
Dielectric Range
Vacuum service
Media coating
¿ Transition Zone (zone with reduced accuracy) is dielectric dependent;
It is recommended to set 4-20 mA signal outside transition zones.
See graphs at page 39 and 40.
¡
7MG: cage GWR probe
316/316L (1.4401/1.4404), Hastelloy
Teflon with Viton GFLT, Aegis PF 128 or Kalrez
® ®
2" cage: Teflon ; 3" and 4" cage: PEEK
®
13 mm (0.50")
19 mm (0.75")
25 mm (1")
In a 2", 3" or 4" cage / schedule pipe stillwell or bridle
Flanged: various ANSI or EN (DIN) flanges
From 60 cm to 610 cm (24" to 240")
0 mm (0")
r: 1,4 = 150 mm (6")/ r: 80 = 50 mm (2")
ε ε
+200 °C @ 18,6 bar (+400 °F @ 270 psi)
-40 °C @ 51,7 bar (-40 °F @ 750 psi)
70 bar @ +20 °C (1000 psi @ +70 °F)
10.000 mPa.s (cP)
r ≥ 1,4
ε
Upper liquid: r ≥ 1,4 and ≤ 5
Lower liquid: r ≥ 15
ε
ε
Negative pressure but not hermetic seal
Max error of 10 % of coated length. % Error is related to dielectric of medium, thickness of
coating and coated probe length above level.
7MT/7MN: interface GWR probe
316/316L (1.4401/1.4404), Hastelloy
Teflon with Viton GFLT, Aegis PF 128 or Kalrez
® ®
Teflon
®
inside rod 8 mm (0.315") – outer tube 22,5 mm (0.88")
Stainless steel: inside rod 16 mm (0.63") – outer tube 45 mm (1.75")
Hast. C / Monel : inside rod 16 mm (0.63") – outer tube 49 mm (1.93")
®
External cage and/or in-tank mounting
Threaded: 3/4" NPT or 1" BSP (G 1")
Flanged: various ANSI, EN (DIN) or torque tube mating flanges
From 60 cm to 610 cm (24" to 240")
0 mm (0")
r: 1,4 = 150 mm (6")/ r: 80 = 50 mm (2")
ε ε
+200 °C @ 18,6 bar (+400 °F @ 270 psi)
-40 °C @ 51,7 bar (-40 °F @ 750 psi)
70 bar @ +20 °C (1000 psi @ +70 °F)
Small coax: 500 mPa.s (cP); Enlarged coax: 2000 mPa.s (cP)
Upper liquid: r ≥ 1,4 and ≤ 5
Lower liquid: r ≥ 15
ε
ε
Negative pressure but not hermetic seal
In case of media coating, select 7MN probe
r = dielectric permitivity.
ε
C (2.4819) or Monel (2.4360)
® ®
4079 (consult factory for alternatives)
®
C (2.4819) or Monel (2.4360)
® ®
4079 (consult factory for alternatives)
®
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