73
57-606 ECLIPSE Model 706 Guided Wave Radar Transmitter
C
OAXIAL/CAGED GWR PROBE TWIN CABLE GWR PROBE SINGLE ROD/CABLE PROBE
signal propagation
signal propagation
signal propagation
end view
end view
3
.6.3 Probe Selection Guide
GWR
Probe¿
Description Application Installation
Dielectric
Range ¡¬
Temperature
Range √
Max.
Pressure
Vacuum ƒ
Overfill
Safe
Viscosity
cP (mPa.s)
Coaxial GWR Probes— Liquids
7yT
Standard
Temperature
Level/Interface Tank/Chamber
ε
r
1.4–100
-40 to +400 °F
(-40 to +200 °C)
1000 psi
(70 bar)
Yes Yes 500/2000
7yP
High
Pressure
Level/Interface Tank/Chamber
ε
r
1.4–100
-320 to +400 °F
(-196 to +200 °C)
6250 psi
(431 bar)
Full Yes 500/2000
7yD
High Temp./
High Press.
Level/Interface Tank/Chamber
ε
r
1.4–100
-320 to +850 °F
(-196 to +450 °C)
6250 psi
(431 bar)
Full Yes 500/2000
7yS
Steam
Probe
Saturated
Steam
Tank/Chamber
ε
r
10–100
-40 to +750 °F ≈
(-40 to +400 °C)
3000 psi
(207 bar)
Full
No ∆
500
Caged GWR Probes— Liquids
7yG
Standard
Temperature
Level/Interface Chamber
ε
r
1.4–100
-40 to +400 °F
(-40 to +200 °C)
1000 psi
(70 bar)
Yes Yes 10000
7yL
High
Pressure
Level/Interface Chamber
ε
r
1.4–100
-320 to +400 °F
(-196 to +200 °C)
6250 psi
(431 bar)
Full Yes 10000
7yJ
High Temp./
High Press.
Level/Interface Chamber
ε
r
1.4–100
-320 to +850 °F
(-196 to +450 °C)
6250 psi
(431 bar)
Full Yes 10000
Single Rod Rigid GWR Probes— Liquids
7yF
Standard
Temperature
Level Tank
ε
r
1.7–100
-40 to +400 °F
(-40 to +200 °C)
1000 psi
(70 bar)
Yes
No «
10000
7yM
High
Pressure
Level Tank
ε
r
1.7–100
-320 to +400 °F
(-196 to +200 °C)
6250 psi
(431 bar)
Full
No «
10000
7yN
High Temp./
High Press.
Level Tank
ε
r
1.7–100
-320 to +850 °F
(-196 to +450 °C)
6250 psi
(431 bar)
Full
No «
10000
Single Cable Flexible GWR Probes— Liquids
7y1
Standard
Temperature
Level Tank
ε
r
1.7–100
-40 to +400 °F
(-40 to +200 °C)
1000 psi
(70 bar)
Yes
No «
10000
7y3
High
Pressure
Level Tank
ε
r
1.7–100
-320 to +400 °F
(-196 to +200 °C)
6250 psi
(431 bar)
Full
No «
10000
7y4 ➈
Standard
Temperature
Level/Interface Chamber
ε
r
1.4–100
-40 to +400 °F
(-40 to +200 °C)
1000 psi
(70 bar)
Yes
No «
10000
7y6
High Temp./
High Press
Level/Interface Chamber
ε
r
1.4–100
-320 to +850 °F
(-196 to +450 °C)
6250 psi
(431 bar)
Full
No «
10000
Twin Cable Flexible GWR Probes— Liquids
7y7
Standard
Temperature
Level/Interface Tank
ε
r
1.7–100
-40 to +400 °F
(-40 to +200 °C)
1000 psi
(70 bar)
Yes
No «
1500
Twin Cable Flexible GWR Probes— Solids
7y5
Bulk Solids
Probe
Level Tank
ε
r
1.7–100
-40 to +150 °F
(-40 to +65 °C)
Atmos. No
No «
1500
Single Cable Flexible GWR Probes— Solids
7y2
Bulk Solids
Probe
Level Tank
ε
r
4–100
-40 to +150 °F
(-40 to +65 °C)
Atmos. No
No «
10000
¿ 2
nd
digit A=English, C=Metric
¡ Minimum
ε
r
1.2 with end of probe analysis enabled.
¬ Single rod probes mounted directly into the vessel must be within 3–6 inches
of metal tank wall to obtain minimum dielectric of 1.4, otherwise
ε
r
min = 1.7.
√ Depends on the probe spacer material. Refer to Model Selection for spacer
options.
ƒ ECLIPSE probes containing o-rings can be used for vacuum (negative pres-
sure) service, but only those probes with glass seals are hermetically sealed
to <10
-8
cc/sec @ 1 atmosphere helium.
≈ When installed in side-mounted chamber.
∆ Consult factory for overfill applications
« Overfill capability can be achieved with software.
➈ Scheduled for future release.