MR MESSKO TRASY MT-ST160F, Operating Instructions Manual

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BA2046/02/16 10
2 Product specification
Pointer thermometers are used to indicate temperatures on
power transformers, reactors or similar equipment.
They always consist of a temperature sensor which is con-
nected to the measuring device with a capillary tube. The
measuring device is equipped with a pointer which turns
to show the temperature on a scale. The measuring system
consisting of sensor, capillary tube and measuring device is
filled with a liquid.
2 .1 MT-ST160F
Pointer thermometers with adjustable microswitches for indi-
cating the oil temperature. The indicated temperature is the
oil temperature at sensor location. The mechanical measuring
system functions independently and requires no power input.
According to the type of application, the temperature sensor
can be assembled into such accessory equipment as the ther-
mal well and combi well. Futher information on the combi
well can be found in the operating instructions BA2032
1 Safety
1 .1 Safety instructions
All personnel involved in installation, commissioning,
operation or maintenance of this equipment must:
- be suitably qualified and
- strictly observe these operating instructions.
Improper operation or misuse can lead to
- serious or fatal injury,
- damage to the equipment and other property of the user
- a reduction in the efficiency of the equipment.
Safety instructions in this manual are presented in three dif-
ferent forms to emphasize important information.
1 .2 Specified application
Pointer thermometers are used to measure temperatures on
power transformers, reactors or similar equipment.
It is important to read and observe the limit values for
operation indicated on the nameplate and in the operating
instructions prior to commissioning the device.
1 .3 Important notes on equipment operation
The user is obliged to comply with the national health and
safety regulations.
It is especially emphasized that works performed to live, e.g.
dangerous-contact components, are permissible only while
these components are either de-energized or protected
against direct contact.
Electrical installation is subject to the relevant national safety
regulations. It is imperative to connect the ground wire in
order to ensure trouble-free operation.
1 Safety
2 Product specification
WARNING
This information indicates particular danger to life and
health. Disregarding such a warning can lead to serious
or fatal injury.
CAUTION
This information indicates particular danger to the
equipment or other property of the user. Serious or fatal
injury cannot be excluded.
NOTE
These notes give important information on a certain
issue.
CAUTION
Installation, electrical connection, commissioning, and
maintenance of the device may only be carried out by
qualified, skilled personnel and only in accordance with
these operating instructions.
It is the responsibility of the user to make sure that the
device is used for the specified application only.
For safety reasons, any unauthorized and improperly
executed work, i.e. installation, modification, alteration
of the equipment, electrical connection, or commis-
sioning of the equipment, are forbidden without first
consulting Messko!
WARNING
All relevant fire protection regulations must be strictly
observed.
CAUTION
Measuring instruments are sensitive. All parts should
therefore be protected against falling and against knocks
and vibrations.
The capillary tube may not be shortened otherwise the
pressurized measuring system will be destroyed.
The liquid used in the measuring system is hazardous to
health.