Prothermo NMT 538
4
Hauser Systems & Gauging
1
Safety instructions
1.1
Designated use
The Prothermo NMT538 temperature signal converter is designed to be connected to RTD type
Intrinsically safe average temperature probe. Use for purpose other than originally intended may
cause failure. Failure may occur if the inappropriate probe is connected or as a result of improper
operation. Carefully read this instruction manual before attempting to use the NMT538 and
connection to the desired temperature probe.
Caution!
Before opening the cover of the Prothermo NMT538 for maintenance, switch off the power supply
of the Proservo NMS53x or the Tank side monitor NRF590. Either of described instruments are the
host gauge for supplying DC voltage on the HART line.
1.2
Installation, commissioning and operation
•
Mounting, electrical installation, start-up and maintenance of the instrument may only be carried
out by trained personnel authorized by the operator of the facility.
•
Personnel must absolutely and without fail read and understand this Operating Manual before
carrying out its instructions.
•
The instrument may only be operated by personnel who are authorized and trained by the
operator of the facility. All instructions in this Manual are to be observed without fail.
•
The installer has to make sure that the measuring system is correctly wired according to the
wiring diagrams. The measuring system is to be grounded.
•
Please observe all provisions valid for your country and pertaining to the opening and repairing
of electrical devices.
1.3
Operational safety
Hazardous areas
Measuring systems for use in hazardous environments are accompanied by separate "Ex
documentation", which is an
integral part
of this Operating Manual. Strict compliance with the
installation instructions and ratings as stated in this supplementary documentation is mandatory.
•
Ensure that all personnel are suitably qualified.
•
Observe the specifications in the certificate as well as national and local regulations.
Fcc approval
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1)This device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
Caution!
Changes or modifications not expressly approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
1.4
Return
The following procedure must be carried out before a transmitter is sent to Hauser for
repair.
•
Always enclose a duly completed "Hazardous Substance Data sheet" form. Only then can
Hauser transport, examine and repair a returned device.
•
Enclose special handling instructions if necessary, for example a safety data sheet as per
EN 91 / 155 / EEC.
•
Remove all residue which may be present. Pay special attention to the gasket grooves and
crevices where fluid may be present. This is especially important if the fluid is dangerous to
health, e.g. corrosive, poisonous, carcinogenic, radioactive, etc.
Note!
A copy of the "Hazardous Substance Data sheet" is included at the end this operating manual.
1 Safety instructions
