Safety Instructions; Designated Use; Installation, Commissioning And Operation; Operational Safety - Endress+Hauser Flowphant T DTT31 Operating Instructions Manual

Safety instructions

1 Safety instructions

1. 1 Designated use

The Flowphant
device is designed to meet state-of-the-art safety requirements and conforms to applicable stan-
dards and EC regulations. It can, however, be a source of danger if used incorrectly or for any-
thing other than the designated use.

1. 2 Installation, commissioning and operation

Installation, electrical connection, commissioning, operation and maintenance of the measuring
system must be carried out by trained, qualified specialists authorized to perform such work by
the facility's owner-operator. The specialist must have read and understood these Operating
Instructions and must follow the instructions they contain. The device may only be modified and
repair work carried out if this is explicitly permitted in the Operating Instructions. Damaged
devices which could be a source of danger may not be commissioned and must be labeled and
identified as defective.

1. 3 Operational safety

• Functional safety
The Flowphant
IEC 61511-1 (FDIS) standards. The device version with a PNP switch output and additional
analog output is equipped with features for detecting and preventing errors within the elec-
tronics and software.
• Ex-area
The Flowphant

1. 4 Return

The following procedures must be carried out before a device is returned to Endress+Hauser:
• Always enclose a fully completed "Declaration of Contamination" form with the device. Only
then can Endress+Hauser transport and examine a returned device. A copy of the "Declara-
tion of Contamination" can be found on the second last page of these Operating Instructions.
• Remove all fluid residues. This is particularly important if the fluid is hazardous to health, e.g.
flammable, toxic, caustic, carcinogenic, etc.
#
Warning!
Do not return a device if you are not absolutely certain that all traces of hazardous substances
have been removed, e.g. substances which have penetrated crevices or diffused through plastic.
4
®
T is a flow switch for monitoring mass flow rates in industrial processes. The
®
T flow switch has been developed in accordance with the IEC 61508 and
®
T is not approved for use in Ex-areas.
DTT31, DTT35
Endress+Hauser