KROHNE OPTIMASS 7000 EN - Manual (Page 12)

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DEVICE DESCRIPTION
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OPTIMASS 7000
www.krohne.com 04/2013 - 4001016302 - MA OPTIMASS 7000 R02 en
2.1.1 Meters with hygienic connections
2.2 Nameplates
2.3 CSA Dual Seal
To comply with the requirements of ANSI/ISA -12.27.01-2003 “Requirements for process Sealing
Between electrical systems and Flammable or Combustible process Fluids” a secondary seal is
incorporated into all OPTIMASS / GAS products. If the primary seal fails, the secondary seal will
prevent escaping fluid reaching the electronic compartment.
Pressures and / or temperatures are limited by tube, temperature, connection and Ex limits.
Check the meter nameplates and relevant documentation for full details. On all meters
operating on gas measurement, the casing of the meter is fitted with a burst disc. If the primary
seal (tube) fails leakage will occur from the burst disc. Install the meter so that the burst disc is
pointing away from personnel.
Liquids Liquids Liquids Liquids (Example model code: OPTIMASS 7000C S25)
Pressure and temperature data: Pressure and temperature data: Pressure and temperature data: Pressure and temperature data:
OPTIMASS 7000 / 7300 / 7010 -40°C...+150°C and 100...10000 kPa
Pressures and/or temperatures may be further limited by tube, temperature, connection and Ex
limits. Consult the meter nameplate and relevant documentation for full details
If the primary seal fails, the casing of the meter will fill with liquid and the meter will stop
working. The meter will notify the operator by going into mode and a diagnostic error
will be shown on the converter or PLC display. This is an indication that the primary seal (tube)
has failed and the status of the meter should be checked.
Meter status: Meter status: Meter status: Meter status:
The meter will also go into mode if the primary seal (tube) fails, or if they are not
completely filled with fluid. For example, if the meter is drained or re/filled.
1 Fully welded - the O-rings between the meter and the process pipework are not supplied as standard but can be or-
dered.
2 DIN 11864-2 Form A - the O-rings between the Form A and Form B parts of the connection are not supplied as standard
but can be ordered.
3 The 11864-2 Form B is not supplied as part of this connection but it can be ordered.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
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