Bently Nevada
Bently Nevada 177990-01 Prox Accel Aero (PAA) Module
$500.00
$700.00
Bently Nevada 990 & 991 Series
The Bently Nevada 990 & 991 Series comprises two-wire, loop-powered transmitters for connecting proximity probes to machinery control systems. Each transmitter incorporates Proximitor signal conditioning and operates with a 3300 NSv probe and matching extension cable, with standard system lengths of 5 or 7 metres. The 990 provides a 4–20 mA output proportional to shaft vibration amplitude measured peak to peak, while the 991 provides a 4–20 mA output proportional to axial shaft position. Both include zero and span adjustment, probe fault detection and a non-isolated PROX OUT connection for diagnostic signals. DIN rail or bulkhead mounting supports installation in equipment panels. Typical applications include centrifugal air compressors, pumps, motors and fans, with alarm thresholds and protective logic implemented in the receiving control system.
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