705-5100-111 Datasheet, PDF (7/28 Pages) Magnetrol International, Inc. – Eclipse® Enhanced Model 705 Guided Wave Radar Level Transmitter

TRANSMITTER SPECIFICATIONS
PERFORMANCE
Reference Conditions with a
72" coaxial type GWR probe Œ
Linearity 
Coaxial/twin
lead probes
Reflection from liquid, with dielectric in center of
selected range, at 70 °F (+20 °C) with CFD threshold
< 0.1 % of probe length or 0.1" (2.5 mm),
whichever is greater
Accuracy 
Single lead
probes
Coaxial/twin
lead probes
< 0.3 % of probe length or 0.3" (8 mm),
whichever is greater
< 0.1 % of probe length or 0.1" (2.5 mm),
whichever is greater
Single lead
probes
± 0.5 % of probe length or 0.5" (13 mm),
whichever is greater
7xT/7xL interface ± 1" (25 mm)
Resolution
± 0.1" (2.5 mm)
Repeatability
< 0.1" (2.5 mm)
Hysteresis
< 0.1" (2.5 mm)
Response Time
< 1 second
Warm-up Time
< 5 seconds
Ambient Temp.
-40° to +175° F (-40° to +80° C): blind transmitter
-5° to +160° F (-20° to +70° C): with digital display
-40° to +160° F (-40° to +70° C):
for EEx ia and EEx d[ia] with blind transmitter
-5° to +160° F (-20° to +70° C):
for EEx ia and EEx d[ia] with digital display
Process Dielectric Effect
< 0.3" (7.5 mm) within selected range
Operating Temp. Effect
Approx. +0.02 % of probe length/°C for probes ≥ 8' (2.5 m)
Humidity
0-99 %, non-condensing
Electromagnetic Compatibility
Meets CE requirements (EN-61326: 1997+A1+A2) and NAMUR NE 21
(Single and Twin Rod probe must be used in metallic vessel or stillwell)
Surge Protection
Meets CE EN61326 (1000 V)
ΠSpecifications will degrade with Model 7xB, 7xD, and 7xP probes and/or Fixed threshold configuration.
 Top 24 inches of Model 7xB probe: 1.2 inches (30 mm).
PROBE SPECIFICATIONS
1200
1000
20.5 mA
800
Ω
630
600
400
200
0
0
24 VDC
10 ¹¹ 20
30
40
VDC
GENERAL PURPOSE (GP)
INTRINSICALLY SAFE (IS)
EXPLOSION PROOF (XP)
Description
7xD / 7xL: High Pressure / High Temperature
GWR Probe
7xS: Saturated Steam GWR Probe
Materials
Probe diameter
Probe
Process seal
Spacers
Standard coax
Enlarged coax
316/316L (1.4401/1.4404), Hastelloy C^® (2.4819) or Monel^® (2.4360)
Borosilicate/Inconel X750
High Temp PEEK with Aegis PF 128
Alumina (7xD-A, B and C) – TFE (7xD-W) –
High Temp PEEK (7xD-V, N, P and R)
High Temp PEEK
Inner rod 0.31" (8 mm) – outer tube 0.87" (22.5 mm)
Stainless steel:
Inner rod 0.63" (16 mm)
Outer tube 1.75" (45 mm)
n/a
Hastelloy C and Monel: Inner rod 0.63" (16 mm)
Outer tube 1.92" (49 mm)
Process Connection
Probe length
Transition Zone 
Max. Process
Temp.
Top
Bottom
Max
Threaded: ³â„4" NPT or 1" BSP (G1) – except for enlarged probe
Flanged: Various ANSI, DIN or “proprietary” mating flanges
From 24 to 240 inches (60 to 610 cm) Œ
From 24 to 180 inches (60 to 450 cm)
None
8" (200 mm) Ž
ε_r: 1.4 = 6" (150 mm) / ε_r: 80 = 1" (25 mm)
ε_r ≥ 10 = 1" (25 mm)
+800° F @ 1500 psi (+430° C @ 103 bar)
+650° F @ 2250 psi (+345° C @ 155 bar)
+650° F @ 4700 psi (+345° C @ 324 bar) for
7xx-V, N, P and R
+400° F @ 5700 psi (+200° C @ 393 bar) for 7xx-W
Min
Max. Process Pressure 
Max. Viscosity
Dielectric Range
Vacuum service
-320° F @ 2000 psi (-196 °C @ 135 bar)
6250 psi @ +70° F (430 bar @ +20° C)
500 cP (standard) / 1500 cP (enlarged)
ε_r ≥ 1.4-100: 7xx-W, V, N, P and R
ε_r ≥ 2,0-100: 7xx-A, B and C
Full vacuum
(Helium leak < 10^-8 cc/s @ 1 atmosphere vacuum)
0° F @ 3000 psi (-15° C @ 205 bar)
2250 psi @ +650° F (155 bar @ +345° C)
500 cP
10 to 100
Negative pressure but not hermetic seal
ΠConsult factory for insertion length < 24" (60 cm).

Ž
Transition Zone
Consult factory
(zone with reduced accuracy)
for overfill applications.
is
dielectric
dependent;
ε_r
=
dielectric
permitivity.
It
is
recommended
to
set
4–20
mA
signal
outside
transition
zones.
 See tables on page 9.
7