704-5010-131 Datasheet, PDF (4/12 Pages) Magnetrol International, Inc. – Horizon™ Model 704 Guided Wave Radar Level Transmitter

COAXIAL PROBE MATRIX
Recommended for
Not recommended for
7XA Standard
7XR Overfill
General purpose;
clean low viscosity liquids
< 300° F (150° C)
Overfill, temps +300° to +400° F
(+150° to +200° C); clean,
low viscosity liquids
Coating and buildup, foam
Materials/Wetted parts
316L SS, TFE, Viton^® GFLT
Process seal
Optional
Hastelloy^® C, Monel
Viton^® GFLT O-ring Œ
Spacers
Diameter
Process connection thread
Flange ANSI (DIN)
Length
Transition zone 
Top
Bottom
Process temperature Ž
Maximum
Minimum/cryogenic
Process pressure
Maximum
Minimum/vacuum service
TFE
∅ .3125" (8 mm) rod
∅ .875" (22 mm) tube
3_{⁄4" NPT, 1" BSP}
1" to 4" (DN25 to 100)
24 to 192 inches (60 to 488 cm)
1" (25 mm) @ ε_r = 1.7
6" (150 mm) @ ε_r = 80
None
6" (150 mm) @ ε_r = 1.7
1" (25 mm) @ ε_r = 80
+300° F @ 400 psig
(+150° C @ 27 bar)
+400° F @ 270 psig
(+200° C @ 18 bar)
-40° F @ 750 psig
(-40° C @ 50 bar)
1000 psig @ 70° F
(70 bar @ 20° C)
Yes, not hermetic
Dielectric range
Maximum viscosity (cP)
Mounting effects
Coating/Buildup
Foam
Corrosives
Hygienic
Overfill
Approvals
FM
CSA
ATEX
OTHER
≥ 1.7
500
None
No
No
Yes
No
No
Yes
Yes
Yes
No
ΠRefer to Selection Chart on page 7 for optional O-rings.
 Transition Zone is dielectric dependent: ε_r = dielectric permittivity. Unit will function but accuracy will decrease
in Transition Zone.
Ž Refer to Ambient Temperature vs. Process Temperature graph on page 8.
4