Orion Instruments Eclipse 705 - Manual (Page 52)

52 57-600 Eclipse ® Guided Wave Radar Transmitter
3.6 Specifications
3.6.1 Functional
System Design
Measurement Principle Guided time-of-flight via time domain reflectometry
Input
Measured Variable Level, determined by the time-of-flight of a guided radar pulse from
transmitter to product surface and back
Zero and Span 6 inches to 75 feet (15 to 2286 cm)
Output
Type Analog 4 to 20 mA with HART digital signal (HART 6)
Range Analog 3.8 to 20.5 mA useable
Digital 0 to 999" (0 to 999 cm)
Resolution Analog 0.01 mA
Digital 0.1"
Loop Resistance (maximum) GP/IS/XP- 620
Ω @24 VDC
Diagnostic Alarm Adjustable 3.6 mA, 22 mA, HOLD
Damping Adjustable 0-10 seconds
User Interface
Keypad 3-button menu-driven data entry & system security
Indication 2-line
× 8-character display
Digital Communication HART Version 6.x compatible
F OUNDATION fieldbus H1 (ITK 4.6)
Power (Measured at instrument terminals)
General Purpose/Intrinsically Safe/Explosion Proof/FM/CSA/ATEX 11 to 36 VDC
Fieldbus General Purpose/XP/IS/FISCO 9–32 VDC (17 mA current draw) (Refer to instruction manual 57-640
for additional information on F OUNDATION fieldbus version)
Housing
Material Aluminum A356T6 (<0.20% copper), optional 316 stainless steel
Cable Entry 3 ⁄
4
" NPT and M20
1200
1000
800
600
400
200
0
0 10 20 30 40
VDC
GENERAL PURPOSE (GP)
INTRINSICALLY SAFE (IS)
EXPLOSION PROOF (XP)
20.5 mA
24 VDC
630
11
Ω
Œ
Maximum temperature of O-ring (not necessarily maximum process temperature)
Material Code
Maximum
Temperature
Œ
Min.
Temp.
Recommended
For Use In
Not Recommended
For Use In
Viton ® GFLT 0
+400° F
(+200° C)
-40° F
(-40° C)
General purpose, steam, ethylene
Ketones (MEK, acetone), skydrol flu-
ids, amines, anhydrous ammonia, low
molecular weight esters and ethers,
hot hydro-fluoric or chlorosulfuric
acids, sour HCs
EPDM 1
+250° F
(+125° C)
-60° F
(-50° C)
Acetone, MEK, skydrol fluids
Petroleum oils, di-ester base lubricants,
propane, steam, anhydrous ammonia
Kalrez ®
(4079)
2
+400° F
(+200° C)
-40° F
(-40° C)
Inorganic and organic acids (including HF
and nitric) aldehydes, ethylene, glycols,
organic oils, silicone oils, vinegar, sour HCs
Black liquor, hot water/steam, hot
aliphatic amines, ethylene oxide, propy-
lene oxide, molten sodium, molten
potassium, anhydrous ammonia
Aegis PF128 8
+400° F
+(200° C)
-4° F
(-20° C)
Inorganic and organic acids (including
HF and nitric) aldehydes, ethylene, gly-
cols, organic oils, silicone oils, vinegar,
sour HCs , steam, amines, ethylene
oxide, propylene oxide
Black liquor, Freon 43, Freon 75,
Galden, KEL-F liquid, molten sodium,
molten potassium, anhydrous ammonia
Borosilicate N
+800° F
(+430° C)
-320° F
(-195° C)
General high temperature/high pressure
applications, hydrocarbons, full vacuum
(hermetic), ammonia, chlorine
Steam, hot alkaline solutions HF acid,
media with ph>12
3.6.1.1 O-ring (Seal) Selection Chart