KROHNE OPTIWAVE 7300 C Supplementary Instructions Manual page 12
Radar (fmcw) level transmitter for agitated liquids in process applications
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Also See for OPTIWAVE 7300 C:
- Handbook (200 pages) ,
- Quick start manual (36 pages) ,
- Handbook (124 pages)
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INSTALLATION
2
EPL Gb: Ex ia and Ex d ia devices
Temperature
class
Hygienic antennas
[°C]
T6
-40...+57
-40...+50
T5
-40...+72
-40...+65
T4
-40...+80
2
-40...+76
-40...+73
-40...+66
T3
-40...+62
3
1 Min. -50°C / -58°F, if an EPDM gasket is used. Min. -20°C / -4°F, if a Kalrez® 6375 gasket is used. Min. -40°C / -40°F, if an FKM/FPM
gasket is used. Min. -30°C / -22°F, if a Metaglas® feedthrough is used. Min. -50°C / -58°F, if a PEI feedthrough is used.
2 Max. flange temperature is +100°C / +212°F, if the PP Drop antenna used
3 Do not use this temperature class for the PP Drop antenna. Max. flange temperature is +150°C / +302°F, if the PTFE Drop antenna or
Hygienic antenna are used.
EPL Da: Ex ia devices only
EPL Da/Db, EPL Db: Ex ia and Ex ia tb devices
Ambient temperature
[°C]
-40...+80
1 Max. flange temperature is +100°C / +212°F, if PP Drop antenna used. Max. flange temperature is +150°C / +302°F, if the PTFE Drop or
the Hygienic antenna is used. Min. -50°C / -58°F, if an EPDM gasket is used. Min. -20°C / -4°F, if a Kalrez® 6375 gasket is used. Min. -
40°C / -40°F, if an FKM/FPM gasket is used. Min. -30°C / -22°F, if a Metaglas® feedthrough is used. Min. -50°C / -58°F, if a PEI
feedthrough is used.
12
Ambient temperature
Drop and horn
antennas
[°F]
[°C]
-40...+134
-40...+57
-40...+122
-40...+47
-40...+161
-40...+72
-40...+149
-40...+62
-40...+176
-40...+80
-40...+169
-40...+74
-40...+163
-40...+70
-40...+151
-40...+60
-40...+143
-40...+54
—
—
—
—
[°F]
-40...+176
Drop and horn
antennas with the
distance piece
[°F]
[°C]
-40...+134
-40...+57
-40...+116
-40...+51
-40...+161
-40...+72
-40...+143
-40...+66
-40...+176
-40...+80
-40...+165
-40...+79
-40...+158
-40...+74
-40...+140
-40...+68
-40...+129
-40...+64
—
—
-40...+57
—
—
-40...+52
Flange temperature (process temperature)
[°C]
-50...+200
www.krohne.com
07/2015 - 4000176503 - AD IECEX OPTIWAVE7300 R03 en
OPTIWAVE 7300 C
Flange temperature
(process
temperature)
[°F]
[°C]
-40...+134
-50...+60
1
-40...+124
-50...+85
1
-40...+161
-50...+75
1
-40...+151
-50...+100
1
-40...+176
-50...+85
1
-40...+174
-50...+100
1
-40...+165
-50...+110
1
-40...+154
-50...+135
1
-40...+147
-50...+150
1
-40...+134
-50...+180
1
-40...+125
-50...+200
1
[°F]
-58...+392
1
[°F]
-58...+140
1
-58...+185
1
-58...+167
1
-58...+212
1
-58...+185
1
-58...+212
1
-58...+230
1
-58...+275
1
-58...+302
1
-58...+356
1
-58...+392
1
1
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