990-05-70-03-05 Bently Nevada Transmitter

990-05-70-03-05 Bently Nevada 990 Vibration Transmitter

990-05-70-03-05 Bently Nevada 990 Vibration Transmitter

Availability: 10 left in stock

The Bently Nevada 990-05-70-03-05 serves as the primary 990 Vibration Transmitter utilized to execute proximity probe signal processing and 4-20...

SKU: 990-05-70-03-05

Manufacturer: Bently Nevada
Product No.: 990-05-70-03-05
Product Type: Vibration Transmitters
Product Origin: USA
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 990-05-70-03-05 serves as the primary 990 Vibration Transmitter utilized to execute proximity probe signal processing and 4-20 mA loop current conversion across machinery protection platforms.

Suffix Breakdown & Model Matrix

Option Code	Option Description	Technical Definition
990	Base Model	2-Wire Vibration Transmitter
-05	Full-Scale Option	0-5 mils peak-to-peak (0-127 microns) measurement range
-70	System Length Option	7.0 meters total system length
-03	Mounting Option	35 mm DIN rail clips integrated
-05	Agency Approval Option	Multiple approvals (CSA Div 2, ATEX Zone 0/2, ABS maritime)

Hardware Specifications

Parameter	Specification
Model	990-05-70-03-05
Brand	Bently Nevada
Origin	USA
Product Type	Vibration Transmitters
Measurement Range	0 to 5 mils peak-to-peak (0 to 127 microns)
Frequency Range	0 to 12000 CPM (0 to 200 Hz)
Output Signal	4-20 mA loop current proportional to vibration amplitude
System Length	7.0 meters (5.0 meters specified for probe signal path)
Agency Approvals	CSA Division 2, ATEX Zone 0, ATEX Zone 2, ABS maritime
Mounting	35 mm DIN rail clips
Operating Temp	-50 to 120 deg C (-58 to 248 deg F)
Power Consumption	Loop-powered via 4-20 mA current loop

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

The transmitter converts dynamic displacement inputs into a continuous 4-20 mA current output across a frequency spectrum of 0 to 12000 CPM (0 to 200 Hz). Accurate physical installation relies on gap voltage validation at the probe interface, setting a static DC bias offset to hit the nominal -10 VDC target at mid-span. Continuous tracking of high-frequency eddy-current probe outputs provides real-time tracking of shaft vibration amplitude, feeding critical dynamic parameters directly into rotor dynamics evaluation loops and control infrastructure.

Frequently Asked Questions

Q: How is field wiring executed to deliver power and process signal output?

A: The transmitter utilizes a 2-wire loop-powered architecture, drawing operating DC voltage directly through the 4-20 mA signal loop wired to the control system analog input module.

Q: What mounting hardware is included with the 03 mounting option?

A: Option 03 integrates factory-installed 35 mm DIN rail clips on the back of the enclosure housing for direct snap-on mounting inside terminal junction boxes or cabinets.

Q: What agency certifications are validated under the 05 approval option code?

A: Option 05 provides hazardous location and marine compliance, covering CSA Division 2, ATEX Zone 0, ATEX Zone 2, and ABS maritime certifications.

Field Installation Guidelines

Snap the transmitter module onto a clean 35 mm DIN rail section, verifying positive clip retention against vibration.
Connect the matching proximity probe extension cable to the transmitter input connector, securing the threaded coupling finger-tight.
Validate static DC gap voltage using a multimeter across raw signal test terminals, positioning the probe tip to achieve the -10 VDC baseline.
Route 2-wire shielded twisted-pair signal cable from the transmitter output terminals to the DCS/PLC input card.
Connect the cable shield to the cabinet instrument ground bus bar at a single termination point to prevent ground loop currents.

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.