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- Bently Nevada
- 3500/42M 135489-02
- Prox/Seismic I/O Module with Internal Terminations
- USA
- 241.3 mm × 24.4 mm × 163.1 mm
- 0.91kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Bently Nevada 3500/42M (135489‑02)
Product Introduction
The 3500/42M (135489‑02) is a four-channel Proximitor/Seismic I/O module in the 3500 Machinery Protection System. Built with internal safety barriers and engineered for inherently safer installations, it captures real-time vibration, displacement, velocity, and acceleration data from rotating machinery. Featuring powerful diagnostics and alarm capabilities, it supports robust condition monitoring in demanding plant environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3500/42M (135489‑02) |
| Brand | Bently Nevada (Baker Hughes) |
| Series | 3500 Machinery Protection System |
| Channel Configuration | Four input channels (configurable for velocity or position sensors) |
| Intrinsic Safety | Internal safety barriers for hazardous area installation |
| Sensor Types Supported | Proximity probes or accelerometers |
| Measurement Types | Vibration, shaft position, acceleration, velocity |
| Alarm Levels | Dual (Alert / Danger) per channel |
| Signal Outputs | 4–20 mA analog outputs for trending systems |
| Power Consumption | Approximately 7.7 W |
| Supply Voltage | –24 V DC via rack power buses |
| Frequency Range | Up to 30 kHz |
| Accuracy | ±0.33% FS (typical) |
| Operating Temperature | 0 °C to +65 °C |
| Mounting Format | Full-width rack module in 3500 rack |
| Dimensions | Approx. 241.3 mm × 24.4 mm × 163.1 mm |
| Weight | Approx. 0.91 kg |
| Certifications | cNRTLus Div.2, ATEX/IECEx Zone 2, RoHS, EMC, Low Voltage, SIL2 compliant |
Applications
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Condition monitoring (vibration, position, acceleration) of rotating machinery
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Installation in hazardous zones requiring intrinsic safety
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Turbine, pump, compressor protection systems
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Real-time machinery health tracking and diagnostics
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Integration with System 1® for trend analysis and alarm management
Key Advantages
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Safety First: Built-in intrinsic safety allows operation in explosive environments
-
Versatile Monitoring: Captures multiple dynamic signals with a single, compact module
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Rack Efficiency: Fits four channels into one rack slot, optimizing system footprint
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Reliable Diagnostics: Dual alarms and 4–20 mA outputs support preventive maintenance strategies
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Durable Performance: Field-tested for industrial reliability and long-term durability
Related Models (Same Series)
| Model | Description |
|---|---|
| 3500/42M (135489‑02) | Four-channel IO module with safety barriers (current) |
| 3500/42M (128229‑01) | Four-channel IO without barriers |
| 3500/42M (135489‑01) | Internal barrier module with proximity & accelerometer inputs |
| 3500/44M | Aeroderivative gas turbine vibration monitor |
| 3500/46M | Hydro turbine air-gap / vibration monitor |
Popular Bently Nevada Modules
| Model | Description |
|---|---|
| 3500/50M | Speed monitor / tachometer module |
| 3500/60 | Temperature monitoring module |
| 3500/32M | Four-channel alarm logic module |
| 3500/62 | Process variable (4–20 mA) module |
| 3500/25 | TMR-based overspeed protection module |
Frequently Asked Questions (QA)
Q1: What does the 135489‑02 module monitor?
A1: It monitors vibration, shaft position, acceleration, and velocity via proximitor or accelerometer sensors.
Q2: Does it include safety features for hazardous areas?
A2: Yes, it includes internal safety barriers for installation in explosive environments.
Q3: How many alarm thresholds are available per channel?
A3: Two thresholds—Alert and Danger—can be configured per channel.
Q4: What type of signal output is provided?
A4: A 4–20 mA output per channel enables trending and integration with DCS or PLC systems.
Q5: What is its frequency response capability?
A5: The module supports up to 30 kHz frequency, capturing high-frequency vibration data.
Q6: Can it connect to System 1®?
A6: Yes, via rack-mounted communication modules that feed data to System 1® for analysis.
Q7: What power does it require?
A7: It draws around 7.7 W and is powered through the –24 VDC rack bus.
Q8: What are the module’s physical dimensions and weight?
A8: Approximately 241.3 × 24.4 × 163.1 mm, and weighs about 0.91 kg.
Q9: What environmental conditions can it endure?
A9: Designed for industrial use, operating between 0 °C and 65 °C reliably.
Q10: Is it more compact than standalone sensors?
A10: Yes, it consolidates four channels into a single rack slot, saving significant cabinet space.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.