Bently Nevada 991-06-50-01-01 991 Thrust Transmitter Module

Availability: 10 left in stock

Configured for axial shaft displacement measurement in machinery monitoring networks, the Bently Nevada 991-06-50-01-01 (991 Thrust Transmitter) provides direct physical/electrical...

SKU: 991-06-50-01-01

Manufacturer: Bently Nevada
Product No.: 991-06-50-01-01
Product Type: Thrust Transmitters
Product Origin: USA
Payment:T/T, Western Union
Weight: 430g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Configured for axial shaft displacement measurement in machinery monitoring networks, the Bently Nevada 991-06-50-01-01 (991 Thrust Transmitter) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

Option Code	Option Description	Technical Definition
991	Base Model	Thrust Transmitter Module
-06	Full-scale Option	+/-0.6 mm axial shaft displacement measurement range
-50	System Length Option	5.0 metres (16.4 feet) total calibrated system length
-01	Mounting Option	35 mm DIN-rail mounting clips installed
-01	Agency Approval Option	Standard field approval option

Hardware Specifications

Parameter	Specification
Model	991-06-50-01-01
Brand	Bently Nevada
Origin	USA
Product Type	Thrust Transmitters
Transmitter Type	Thrust transmitter, 2-wire loop-powered
Measured Parameter	Axial shaft displacement (thrust)
Full-Scale Range	+/-0.6 mm axial displacement
Output Signal	4-20 mA proportional to thrust position
Compatible Probes	3300 NSv proximity probes with extension cables
System Length	5.0 metres (5 m and 7 m system lengths supported)
Power Supply	24 VDC loop-powered
Mounting Interface	35 mm DIN-rail mounting clips
Environmental Rating	IP65, dust-tight and water-resistant
Operating Temp	-20 to +70 deg C
Dimensions	100.1 x 73.9 x 53.3 mm
Weight	0.43 kg
Power Consumption	Loop-powered via 24 VDC current loop

Gap Voltage Validation (-10 VDC Targets) & Rotor Dynamics

The module processes signal inputs from 3300 NSv non-contacting eddy-current proximity probes across a tuned system length to track real-time shaft movement. During installation, field technicians conduct gap voltage validation across test points to establish a static bias target of -10 VDC when the rotor rests at mechanical mid-span. This physical positioning establishes a linear baseline, allowing precise signal conditioning of dynamic axial position shifts into a 4-20 mA output for process automation systems.

Frequently Asked Questions

Q: How is field operating power supplied to the module terminals?

A: Operating power is supplied directly through the 2-wire 4-20 mA current loop interface connected to a 24 VDC power source.

Q: What environmental ingress protection rating does the enclosure provide?

A: The module housing is rated IP65, providing a dust-tight and water-resistant enclosure suitable for industrial control cabinets.

Q: Can this unit accept probe inputs from standard 3300 NSv proximity probe assemblies?

A: Yes, the input circuit is factory-calibrated to interface directly with 3300 NSv proximity probes and their matching extension cables.

Field Installation Guidelines

Mount the module onto a clean 35 mm DIN rail inside the enclosure, ensuring the clips snap securely.
Connect the 3300 NSv probe extension cable coaxial connector to the transmitter input jack, securing it finger-tight.
Validate static DC gap voltage using a multimeter connected to raw test terminals, adjusting mechanical probe depth until a target of -10 VDC is obtained.
Connect 2-wire shielded twisted-pair field wiring from the control system 24 VDC loop circuit to the loop terminals.
Ground the cable shield wire at a single earth point on the cabinet bus bar to mitigate ground noise and electromagnetic interference.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.