705-5100-111 Datasheet, PDF (8/28 Pages) Magnetrol International, Inc. – Eclipse® Enhanced Model 705 Guided Wave Radar Level Transmitter

PROBE SPECIFICATIONS
Description
Materials
Probe diameter
Probe
Process seal
Spacers
Small coax
Large coax
Mounting
Process Connection
Probe length
Transition Zone 
Process Temp.
Top
Bottom
Max
7xT / 7xN: Interface GWR Probe
7xR / 7xM: Overfill Protection Coaxial Probe 7xB: Standard Twin Rod GWR Probe
316/316L (1.4401/1.4404)
Hastelloy C^® (2.4819) or Monel^® (2.4360)
TFE with Viton^® GFLT or Kalrez 4079 (Consult factory for alternatives)
Teflon
Inner rod 0.31" (8 mm)
Outer tube 0.87" (22.5 mm)
Two 0.5" (13 mm) Ø rods –
22 mm (0.875") CL to CL
Stainless steel: Inner rod 0.63" (16 mm) – Outer
tube 1.75" (45 mm)
Hastelloy C and Monel: Inner rod 0.63" (16 mm) –
Outer tube 1.92" (49 mm)
In-tank mounting / external cage mounting
– overfill safe
In-tank mounting only. Twin rod probe must be
used in metallic vessel or stillwell > 1" (25 mm) from
any surface or obstruction
Threaded: ³â„4" NPT or 1" BSP (G1) – except for Threaded: 2" NPT or 2" BSP (G2)
enlarged probe
Flanged: Various ANSI, DIN or “proprietary”
Flanged: Various ANSI, DIN or “proprietary”
mating flanges
mating flanges
From 24 to 240 inches (60 to 610 cm), selectable in 1-inch or 1-cm increments Œ
None
ε_r ≥ 1.9 = 6" (150 mm)
ε_r: 1.4 = 6" (150 mm)/ε_r: 80 = 2" (50 mm)
ε_r: 1.9 = 6" (150 mm)/ε_r: 80 = 1" (25 mm)
+400° F @ 270 psi (+200° C @ 18 bar)
Min
Max. Process Pressure Ž
Max. Viscosity
Dielectric Range
Vacuum service
Media coating
-40° F @ 750 psi (-40° C @ 50 bar)
1000 psi @ +70° F (70 bar @ +20° C)
500 cP
Upper liquid: ≥ 1.4 and ≤ 5, Lower liquid: ≥ 15
Negative pressure but not hermetic seal
In case of media coating, select 7xN probe.
1000 psi @ +70 °F (70 bar @ +20° C)
1500 cP
1.9 to 100
Film: 3% error of coated length,
bridging not recommended 
Description
Materials
Probe
Process seal
Probe diameter
Mounting
Process Connection
Probe length
Blocking distance (top)
Transition Zone  (bottom)
Process Temp.
Max
Min
Max Process Pressure
Max Viscosity
Dielectric Range
Mechanical load
Pull-down force
Media coating
7xF: standard single rod
7xJ: HTHP single rod
316/316L (1.4401/1.4404), Monel^® (2.4360),
Hastelloy C^® (2.4819) or PFA insulated 316/316L
(1.4401/1.4404)
316/316L (1.4401/1.4404), Monel^® (2.4360) or
Hastelloy C^® (2.4819)
TFE with Viton^® GFLT or Kalrez 4079
(Consult factory for alternatives)
PEEK with Aegis PF 128
Bare: 0.50" (13 mm) -
PFA coated: 0.625" (16 mm)
Bare: 0.50" (13 mm)
See mounting considerations on page 25
Threaded: 2" NPT or 2" BSP (G2) – Flanged: Various ANSI or EN/DIN
From 24 to 240 inches (60 to 610 cm) selectable in 1-inch or 1-cm increments
4.8" up to 36" (12 up to 91 cm) - depending probe length (adjustable)
ε_r ≥ 10: 1" (25 mm)
+300° F @ 400 psi (+150° C @ 27 bar) ambient
+600° F @ 2250 psi (+315° C @ 155 bar)
-40° F @ 750 psi (-40° C @ 50 bar) – 200 psi (13.7 bar) for 7xF-F
1000 psi @ +70° F (70 bar @ +20° C)
3000 psi @ +70° F (207 bar @ +20° C)
10.000 cP – consult factory in case of agitation/turbulence
ε_r 10-100 (depending installation conditions, down to ε_r ≥ 1.9) – liquids
Not applicable
Not applicable
Maximum error of 10% of coated length. % Error is related to dielectric of medium, thickness of
coating and coated probe length above level.
ΠConsult factory for insertion length < 24" (60 cm)
ε  Transition Zone (zone with reduced accuracy) is dielectric dependent; _r = dielectric permitivity. It is recommended to set 4–20 mA signal outside transition zones.
Ž See tables on page 9.
 Bridging is defined as continuous accumulation of material between the probe elements.
Viton^® is a registered trademark of DuPont Performance Elastomers.
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