6. three-wire vibrating-wire sensor connection, 7. five-wire, vibrating-wire sensors leads – Campbell Scientific CDM-VW300 Series Dynamic Vibrating-Wire Analyzer System User Manual
Page 49
CDM-VW300 Series Dynamic Vibrating-Wire Analyzers
vibrating-wire sensors operate equally well with either polarity position of the
two signal wires. Two coil connections (C) are provided on each channel on
the CDM-VW300 to which these leads are connected.
FIGURE 7-6. Three-wire vibrating-wire sensor connection
The third lead is the shield wire, or sensor ground, and should be connected to
the ground connection corresponding to the measurement channel.
Coil
Coil
Shield / Sensor Ground
Vibrating-Wire Sensor
Thermistor
Thermistor
FIGURE 7-7. Five-wire, vibrating-wire sensors leads
For sensors with five lead wires, three wires operate as described previously
for a three-wire configuration. The additional two leads are thermistor leads,
and, as illustrated in FIGURE 7-7 and FIGURE 7-8, can be wired to the
thermistor (T) channels on the analyzer.
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