Eclipse 705 Installation And Operating Manual page 36

PROBE SPECIFICATIONS
Description
Probe
Materials
Process seal
Probe diameter
Probe length
Blocking distance (top)
Transition Zone (bottom)
Œ
Max
Process Temp. ¡
Min
Max Process Pressure ¡
Max Viscosity
Dielectric Range
Media coating
Description
Probe
Materials
Process seal
Probe diameter
Process Connection
Probe length
Blocking distance (top)
Transition Zone ¿ (bottom)
Max
Process Temp. ¡
Min
Max Process Pressure ¡
Max Viscosity
Dielectric Range
Mechanical load
Pull-down force
Vacuum service
Media coating
¿ Transition Zone (zone with reduced accuracy) is dielectric dependent;
It is recommended to set 4-20 mA signal outside transition zone / blocking distance.
¡ See graphs at page 39 and 40.
36
7MF-E/G/H & 7MH: hygienic single rod probe
316/316L (1.4401/1.4404), Hastelloy
also available in 316L (1.4435) stainless steel
7MF: PTFE (GRAS 21CFR177-1550 and USP <88> Class VI at 121 °C)
7MH: PEEK & 'O'-ring in Viton or EPDM (GRAS 21CFR177-1550 and USP <88> Class VI at 121 °C)
13 mm (0.50") or 6 mm (0.25")
From 30 cm to 610 cm (12" to 240") (selectable per 1 cm)
0 mm up to 910 mm (0" up to 36") - depending probe length (adjustable)
r ≥ 10: 25 mm (1")
ε
+150 °C @ 13,8 bar (+300 °F @ 200 psi) for 7MH with Viton GF 'O'-rings and 7MF
+120 °C @ 13,8 bar (+250 °F @ 200 psi) for 7MH with EPDM 'O'-rings
-40 °C @ 13,8 bar (-40 °F @ 200 psi)
13,8 bar @ +150 °C (200 psi @ +300 °F) for 7MH with Viton GF 'O'-rings and 7MF
13, 8 bar @ +120 °C (200 psi @ +250 °F) for 7MH with EPDM 'O'-rings
10.000 mPa.s (cP) – consult factory in case of agitation/turbulence
r 10-100 (depending installation conditions, down to
ε
Max error of 10 % of coated length. % Error is related to dielectric of medium, thickness of coating and
coated probe length above level.
7M1 (liquids) / 7M2 (solids): single flexible
316 SST (1.4401)
7M1/7M7: Teflon with Viton GFLT, Aegis PF 128 or Kalrez
® ®
7M2/7M5: Teflon with Viton GFLT
® ®
7M1: 5 mm (0.19")
7M2: 6 mm (0.25")
Threaded: 2" NPT or 2" BSP (G 2")
Flanged: various ANSI or EN (DIN) flanges
From 2 m (6.56') to max 22 m (72.18')
120 mm up to 910 mm (4.8" up to 36") - depending
probe length (adjustable)
305 mm (12")
7M1/7M7: +150 °C @ 27,6 bar (+300 °F @ 400 psi)
7M2/7M5: +65 °C @ 3,45 bar (+150 °F @ 50 psi)
7M1/7M7: -40 °C @ 51,7 bar (-40 °F @ 750 psi)
7M2/7M5: -40 °C @ 3,45 bar (-40 °F @ 50 psi)
7M1/7M7: 70 bar @ +20 °C (1000 psi @ +70 °F)
7M2/7M5: 3,45 bar @ +20 °C (50 psi @ +70 °F)
10.000 mPa.s (cP) – consult factory in case of
agitation/ turbulence
7M1: r: 10-100 (depending installation conditions,
down to ε r ≥ 1,9)
ε
7M2: r: 4-100
ε
7M1: 9 kg (20 lbs)
7M2: 1360 kg (3000 lbs)
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.
r = dielectric permitivity.
ε
C22 (2.4602) or AL-6XN stainless steel (UNS N08367); 7MH
®
r ≥ 1,9) – liquids
ε
7M5 (solids) /7M7 (liquids): twin flexible
FEP coated 316 SST (1.4401)
4079 (consult factory for alternatives)
®
6 mm (0.25")
300 mm to 500 mm (12" to 20")
1500 mPa.s (cP)
r: 1,9-100
ε
7M5: 1360 kg (3000 lbs)