The 991-06-70-01-00 Vibration Transmitter from Bently Nevada’s 990 Series is a compact, loop-powered thrust transmitter designed for OEMs of centrifugal compressors, pumps, and fans. It converts signals from 3300 NSv proximity probes into a standard 4–20 mA output proportional to axial shaft displacement, ensuring seamless integration with control systems for machinery protection.
Technical Specifications
Model Number:991-06-70-01-00
Type: Vibration Transmitter
Manufacturer: Bently Nevada
Condition: Brand New
Series: 990 Vibration Transmitter
Weight: 0.46 kg
Dimensions: 7.3 × 5.9 × 9.9 cm
HS Code: 8537101190
MOQ: 1
Origin: USA
System Compatibility: TSI systems
Lead Time: In Stock
Lifecycle Status: Active
Mounting Options: DIN-rail or bulkhead
Probe Compatibility: 5 m / 7 m 3300 NSv probe systems
Output Signal: 4–20 mA proportional to axial shaft displacement
Functional Description
This transmitter integrates a Proximitor sensor, eliminating the need for external conditioning units. It features non-interacting zero/span adjustments, a test input pin for loop verification, and a Power-up Inhibit circuit to prevent transient errors. The PROX OUT terminal and coaxial connector provide dynamic vibration signals for diagnostics, while the Not OK/Signal Defeat circuit prevents false alarms caused by probe faults.
Its rugged, potted construction allows reliable operation in 100% condensing environments, making it ideal for space-constrained installations. Designed for OEM applications, the 991-06-70-01-00 delivers dependable thrust monitoring with industry-standard outputs, ensuring machinery safety in demanding industrial settings.
