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Klinger CMF
Instruction Manual
Page 8
2.1.4.1.1.1 The installation position of the sensor and transmitter should be far away from
industrial sources of electromagnetic interference, such as high power motors,
transformers, etc., otherwise, the simple harmonic vibration of the flow tube of
sensor will be subject to interference, a weak signal detected by the coil may be
submerged in the noise of electromagnetic interference. Sensor and transmitter
should maintain a sufficient distance with the transformer, motor, etc., specific
details please consult the manufacturer or local dealer.
2.1.4.1.1.2 Electromagnetic interference (EMI) from sources such as high power motors,
transformers, etc. can interfere with the precision coils that drive the SCM and the
signal generated by the EMI. Sensors, transmitters, and their cables should be
installed at least 5m away from large sources of EMI.
2.1.4.1.2 Away from sources of vibration
2.1.4.1.2.1 Sensor installation location should maintain enough distance with the interference
source of mechanical vibration in process pipeline (i.e. pump), specific details
please consult the manufacturer or local dealer.
2.1.4.1.2.2 If multiple sensors are used in series on the same process pipeline, the cross
influence by resonance must be prevented, by ensuring the distance between each
sensor is at least 3 times the size of the flange face to face.
2.1.4.1.3 Away from expansion joints
Compressive or tensile loads on the sensor can interfere with the CMF’s accuracy. The
SCM should be located away from any point where longitudinal forces are likely to act
on the sensor (e.g. due to thermal expansion & contraction).
2.1.4.2 Transmitter
2.1.4.2.1 Environmental requirements
Relative humidity: 5%RH-95%RH
Temperature: see figure 2-1
2.1.4.2.2 Power Supply
Ensure that the power available at the transmitter’s installation location is
compatible with the power supply indicated on the transmitter’s nameplate.
DC: 18 VDC-36VDC
AC: 85 VAC-265VAC, 50/60Hz
Self switching: 18VDC-36VDC or 85VAC-265VAC, 50/60Hz
2.1.4.2.3 Power consumption≤20W
2.1.4.2.4 Remote cable length: 5m-100m.
For remote mount transmitters, the transmitter must be connected to the sensor
on-site. Ensure that there is adequate cable length to safely and tidily route the cable
from the sensor location to the desired transmitter location. Use only cable provided
by Walsn.
2.1.4.2.5 Visible
The transmitter should be placed such that the LCD is in a position and orientation
that is easy to observe.
2.1.4.2.6 Maintainable
There should be enough space for transmitter cover removing & wiring.
2.2 Installation
