P3403893-0351 Bently Nevada Industrial Vibration Monitoring Transmitter

P3403893-0351 Bently Nevada Industrial Vibration Monitoring Transmitter

Manufacturer: Bently Nevada
Product No.: P3403893-0351
Condition： In stock
Product Type: Vibration Transmitter
Payment: T/T, Western Union
Weight: 429g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

Guaranteed Safe Checkout

Global PLC Spare HUB's Insight

The P3403893-0351 vibration transmitter converts proximity probe signals into a robust 4-20 mA loop for seamless PLC and DCS integration. During a recent high-speed centrifugal compressor retrofit, this P3403893-0351 unit provided stable, noise-free casing vibration tracking across long cable runs. Plant instrumentation engineers value its integrated power-up inhibit and fast Not OK fault-defeat mechanisms, which prevent false trip signals during plant startup sequences.

Product Overview & Configuration Structure

System Parameter	Technical Specification
Brand	Bently Nevada
Series / Type	2-Wire Vibration Transmitter
Model Number	P3403893-0351
Input Compatibility	Accepts 1 non-contacting 3300 NSv proximity probe and extension cable
Loop Power Requirements	+12 to +35 Vdc input at transmitter terminal
Signal Output	4 to 20 mAdc over specified full-scale range (2-wire configuration)
Loop Accuracy	Within ±1.5% over full-scale range (measured across 250 Ω resistance)

Technical Specifications Matrix

Engineering Parameter	Transmitter Specification
Required Probe Gap	0.5 to 1.75 mm (20 to 55 mils) from target surface
Maximum Loop Resistance	1,000 Ω including cable at 35 Vdc
Current Limiting	23 mA typical protection threshold
Fault Response (Not OK)	Drops below 3.6 mA within 100 µs; restores in 2-3 seconds
Power-Up Inhibit Delay	Maintains output below 3.6 mA for 2 to 3 seconds upon startup
Prox Out Scale Factor	7.87 mV/µm (200 mV/mil) ±6.5% typical over linear range
Frequency Response	5 Hz to 6,000 Hz (+0, -3 dB)
Minimum Target Size	9.5 mm (0.375 inch) diameter

Compatible Equipment and Deployment Environments

Compatible with Bently Nevada 3300 NSv proximity probes and standard 3300 series extension cables.
Designed for continuous vibration monitoring on heavy industrial turbines, pumps, and gearboxes.
Optimized for direct integration into non-hazardous, Zone 2, or Division 2 hazardous plant locations.
Suited for industrial control loops requiring direct 4-20 mA conversion without complex rack monitors.

Advanced Diagnostic Capabilities

Immediate drop below 3.6 mA isolates open circuits or transducer failures during runtime.
Power-up inhibit prevents transient voltage spikes from triggering false control system alarms.
Buffered Proximitor sensor output enables temporary connection of portable diagnostic test gear.

Logistics, Fulfillment, and Warranty

Shipping Logistics: Express worldwide shipping supported via reliable carriers including FedEx, UPS, and DHL.
Dispatch Window: Orders are processed, verified, and dispatched within 24 to 48 hours.
Warranty Protection: Covered by a comprehensive 12-month quality guarantee from Global PLC Spare HUB.

Frequently Asked Questions

What is the purpose of the 2 to 3 second power-up inhibit feature on the P3403893-0351?
It holds the output below 3.6 mA when power is first applied, signaling to the control system that internal circuitry is stabilizing and preventing startup transients from triggering false alarms.

Why must the proximity probe be gapped strictly between 0.5 and 1.75 mm during installation?
Maintaining this specific gap range ensures the sensor operates within its linear voltage region, guaranteeing accurate 4-20 mA full-scale signal scaling.

How should technicians safely connect portable test equipment to the buffered output?
When using grounded AC-powered diagnostic equipment, technicians must use a 122115-01 test adapter to maintain signal isolation and prevent ground loops.

Buying Guide: When should an engineer choose a 2-wire loop transmitter over a standard rack monitor?
Select this transmitter when you need to feed vibration data directly into a standard PLC or DCS analog input card without investing in a full multi-slot rack monitoring system.

What diagnostic step should be taken if the loop output drops below 3.6 mA unexpectedly?
Check the probe gap, inspect the extension cable for physical damage, and verify that the transducer is not experiencing a permanent Not OK fault condition.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.