PULSAR MEASUREMENT
27
SENSOR COUPLING
For permanent or temporary bonding, the following are recommended:
a) Super Lube ® (supplied)
Additional supply: order Option CC-SL30 or your local home improvement store.
b) Electrocardiograph gel
c) Petroleum gel (Vaseline)
The above are arranged in their order of preferred application.
b & c are only good for temporary bonding at room temperature.
DO NOT USE: Silicon RTV caulking compound (silicon rubber).
Use the PC4 pipe clamp (supplied) as illustrated on the previous
page. Apply Super Lube ® to the colored face of the sensor. A
bead, similar to toothpaste on a toothbrush, is ideal. Do not
overtighten (crush the sensor).
The sensor must be fixed securely to the pipe with coupling material between
the sensor face and the pipe. Sensor installation with excessive coupling
compound can result in gaps or voids in the coupling and cause errors or
loss of signal. Insufficient coupling compound will create similar conditions.
Over time temporary coupling compounds (e.g. Petroleum Gel) may gradually sag away from the sensor resulting
in reduced signal strength and finally complete loss of signal. Warm temperatures, moisture and vibration will
accelerate this process. Super Lube ® as supplied with the DFM 6.1 (and available from Pulsar Measurement or
home improvement stores) is recommended for semi-permanent installations.
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