Safety Instructions And Measures - Samson 4749 Mounting And Operating Instructions

Safety instructions and measures

1 Safety instructions and measures
Intended use
The SAMSON Type 4749 Position Transmitter is mounted onto control valves and converts
the linear or rotary motion of a control valve into a 4 to 20 mA standardized signal. The de-
vice is designed to operate under exactly defined conditions (e.g. temperature). Therefore,
operators must ensure that the position transmitter is only used in applications where the op-
erating conditions correspond to the technical data. In case operators intend to use the posi-
tion transmitter in other applications or conditions than specified, contact SAMSON.
SAMSON does not assume any liability for damage resulting from the failure to use the
device for its intended purpose or for damage caused by external forces or any other
external factors.
Î Refer to the technical data for limits and fields of application as well as possible uses.
Reasonably foreseeable misuse
The Type 4749 Position Transmitter is not suitable for the following applications:
− Use outside the limits defined during sizing and by the technical data
Furthermore, the following activities do not comply with the intended use:
− Use of non-original spare parts
− Performing maintenance activities not described in these instructions
Qualifications of operating personnel
The position transmitter must be mounted, started up and serviced by fully trained and
qualified personnel only; the accepted industry codes and practices must be observed.
According to these mounting and operating instructions, trained personnel refers to
individuals who are able to judge the work they are assigned to and recognize possible
hazards due to their specialized training, their knowledge and experience as well as their
knowledge of the applicable standards.
Explosion-protected versions of this device must be operated only by personnel who has
undergone special training or instructions or who is authorized to work on explosion-
protected devices in hazardous areas.
EB 4749 EN 1-1