Page 13 of 42 pages
1.5.3 Differential respectively reference measurement using an engineer set
Such a measurement is useful or necessary if some of the following cases:
• Measurement on object with vibrations imposed.
• The inclination of the object to be measured will change by the weight of the instrument
• The floor is unstable (heavy loads in the close surroundings
• The relative pitch and roll on a machine must be measured.
The Engineer set
usually consists of:
Two LEVELTRONIC „classic“ and a LEVELMETER 25/AC
Picture:
Two LEVELTRONIC „classic“ and a
LEVELMETER 25 (blue cover)
Two LEVELTRONIC „NT“ and a LEVELMETER C25/DC or a
LEVELMETER 2000
Picture:
Two LEVELTRONIC „NT“ and a
LEVELMETER 2000 connected to
laptop equipped with the WYLER
software LEVELSOFT
Remarks concerning NT instruments:
It makes sense to combine a LEVELTRONIC NT and a MINILEVEL NT to an engineer set. With such a
combination a great variety of other measuring tasks requiring a stand-alone instrument may be fulfilled.
Connecting the instruments performing a differential measurement
• One of the instruments is used a measuring instrument and the other as reference instrument.
• The measuring instrument is connected to port "A" the reference instrument to port "B".
• When analogue values are transmitted (LEVELMETER 25 or C25/DC) the sensitivity of the two
instruments must be identical.
• Both instruments must be placed looking the same direction.
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