Designated Use; Workplace Safety; Operational Safety; Product Safety - Endress+Hauser Flowphant T DTT31 Flowphant T DTT35 Operating Instructions Manual

Basic safety instructions
2.2

Designated use

The device is a flow switch for monitoring mass flow rates in industrial processes. The device
is designed to meet state-of-the-art safety requirements and complies with applicable
standards and EC regulations. The device can, however, be a source of danger if used
incorrectly or for anything other than the designated use.
2.3

Workplace safety

For work on and with the device:
‣
Wear the required personal protective equipment according to federal/national
regulations.
For welding work on the piping:
‣
Do not ground the welding unit via the measuring device.
If working on and with the device with wet hands:
‣
Due to the increased risk of electric shock, gloves must be worn.
2.4

Operational safety

• Functional safety:
The device has been developed according to the IEC 61508 and IEC 61511-1 (FDIS)
standards. The device version with a PNP switch output and additional analog output is
fitted with mechanisms for error detection and prevention within the electronics and
software.
• Hazardous area:
The device is not approved for use in hazardous areas.
Risk of injury!
‣
Operate the device in proper technical condition and fail-safe condition only.
‣
The operator is responsible for the interference-free operation of the device.
Modifications to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers:
‣
If modifications are nevertheless required, consult with the manufacturer.
Repair
To ensure continued operational safety and reliability:
‣
Carry out repairs on the device only if they are expressly permitted.
‣
Observe federal/national regulations pertaining to the repair of an electrical device.
‣
Use only original spare parts and accessories from the manufacturer.
2.5

Product safety

This measuring device is designed in accordance with good engineering practice to meet state-
of-the-art safety requirements, has been tested, and left the factory in a condition in which it
is safe to operate.
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Flowphant T DTT31, DTT35
Endress+Hauser