Section 5. the avw4, 1 general – Campbell Scientific AVW1 and AVW4 Interfaces for Vibrating Wire Sensors User Manual
Page 21
5-1
SECTION 5. THE AVW4
5.1 GENERAL
The AVW4 contains circuitry needed to
interface Geokon's 4500 series vibrating wire
sensor to the CR10. The AVW4 is designed to
interface four vibrating wire sensors
(temperature and pressure) to eight single
ended CR10 channels. The AVW4 has no
quiescent current drain. The current drain
during the very short (2.4 ms) temperature
measurement is .4 mA per channel or lower.
The current drain during each vibrating wire
measurement (170 ms to 500 ms) is 32 mA.
The AVW4 is 6.7 inches long by 2.9 inches wide
by 1.4 inches high.
FIGURE 5.1-1. The AVW4
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