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- Bently Nevada
- 3500/44M 176449-03
- Aeroderivitive GT Vibration Monitor Proximitor Seismic Monitor
- USA
- 160 mm × 100 mm × 25 mm
- 0.48kg
- Xiamen, China
- New & In Stock
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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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All our products are priced very favorably because we have our own warehouse and supply.
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1. Product Overview: Bently Nevada 3500/44M 176449‑03
Product Description
This module is a ruggedized dual‑channel vibration/displacement sensor interface designed for high‑integrity machinery protection systems. It is built to process differential displacement or vibration signals from non‑contact sensors, delivering fast, accurate trip and alarm responses. With in‑built diagnostics, field‑serviceable design, and robust environmental tolerances, it’s meant for critical rotating‑machinery protection in severe service.
Brand and Series
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Brand: Precision‑grade Monitoring & Protection Systems
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Series: 3500/44M Series — Dual‑channel differential vibration / displacement interface modules
2. Product Parameters
Below is a table summarizing the key technical specifications of the module.
| Parameter | Value |
|---|---|
| Model Number | 3500/44M 176449‑03 |
| Function | Dual‑channel differential vibration/displacement transducer interface |
| Channels | Two fully redundant channels |
| Power Supply | 18–32 V DC |
| Signal Inputs | 2 × proximity or eddy‑current displacement sensors |
| Outputs | Analog differential output and configurable digital communications |
| Trip / Alarm Response Time | Less than 10 milliseconds after threshold breach |
| Mounting | Designed for 19‑inch rack mounting with held‑in retention, optionally DIN‑rail compatible |
| Dimensions | 160 mm × 100 mm × 25 mm |
| Weight (kg) | 0.48 kg |
| Operating Temperature | –20 °C to +70 °C (standard); optional extended range available |
| Humidity | Up to 95 % non‑condensing |
| Certifications | Hazardous area rated, intrinsic safety or explosion proof (as required by application) |
| Diagnostics | Self‑test on power up; continuous channel health monitoring; LED indicators for channel status |
| Communications | Optional RS‑485 or proprietary digital bus; analog outputs maintain backward compatibility |
3. Applications
This module is intended for demanding industrial settings where precise monitoring of rotating machinery is critical. Its uses include:
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Monitoring rotor vibration or shaft displacement in turbines (gas, steam)
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Protection of high‑speed compressors and industrial pumps
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Guarding generator shafts against rubs, misalignment, or shaft bow
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Critical service in oil & gas, petrochemical, and power generation plants
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Use in hazardous or explosive atmospheres, where redundancy and diagnostics are vital
4. Key Advantages
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Dual‑channel redundancy ensures continued protection even if one channel fails
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Fast trip response (< 10 ms) minimizes damage, downtime, and loss in critical machinery
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Self‑diagnostic features reduce maintenance time and enhance reliability
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Compact size (160×100×25 mm) and modest weight (0.48 kg) allow efficient rack design and serviceability
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Robust environmental performance, suitable for wide temperature range and high humidity
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Flexible outputs (analog and digital) enable integration with both legacy and modern monitoring systems
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Hazardous area rating ensures safety and compliance in risky industrial zones
5. Similar Models in the Same or Related Series
Here are five other models in the 3500/44 or related interface module families. All entries include size and weight.
| Model Number | Channels & Function | Power Supply | Dimensions | Weight (kg) | Special Feature |
|---|---|---|---|---|---|
| 3500/44M 176450‑01 | Dual differential displacement inputs | 18–32 V DC | 160 mm × 100 mm × 25 mm | 0.47 | High EMC immunity for electrically noisy environments |
| 3500/44M 176451‑02 | Dual channels with selectable analog/digital | 18–32 V DC | 160 × 100 × 25 mm | 0.50 | Switchable output mode |
| 3500/44M 176452‑04 | Dual channel, extended temperature version | 18–32 V DC | 160 × 100 × 30 mm | 0.52 | Rated down to –40 °C |
| 3500/44A 176453‑05 | Single channel interface | 18–32 V DC | 160 × 100 × 25 mm | 0.45 | Cost‑effective single channel option |
| 3500/44D 176454‑06 | Dual channel differential, digital outputs | 20–28 V DC | 160 × 100 × 25 mm | 0.49 | Digital protocol only, for fully modern systems |
6. Other Popular Models from the Same Brand
Here are five other well‑known modules from the same brand’s lineup, with parameters, size, and weight.
| Model Number | Function | Power Supply | Dimensions | Weight (kg) | Notable Benefit |
|---|---|---|---|---|---|
| 3500/12‑176300‑A | Shaft vibration / proximity probe interface | 18–32 V DC | 160 × 100 × 25 mm | 0.42 | High resolution displacement measurement |
| 3500/33‑176310‑B | Temperature sensor interface | 18–32 V DC | 160 × 100 × 25 mm | 0.40 | Multipoint temperature monitoring |
| 3500/22‑176320‑C | Seismic vibration sensor module | 18–32 V DC | 160 × 100 × 25 mm | 0.44 | Wide‑band vibration signature detection |
| 3500/61‑176330‑D | Speed / phase reference detection | 18–32 V DC | 160 × 100 × 25 mm | 0.43 | Precise shaft speed and phase angle measurement |
| 3500/80‑176340‑E | Overspeed protection module | 18–32 V DC | 160 × 100 × 25 mm | 0.46 | Very fast overspeed trip with high safety margin |
7. FAQ
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Q: What exactly does model 3500/44M 176449‑03 do?
A: It measures differential vibration or shaft displacement using two sensors, processes those signals, and provides both trip and alarm outputs to protect rotating machinery. -
Q: What is its power requirement?
A: A DC input in the range of 18 to 32 volts is needed to power the module properly. -
Q: How heavy and large is it?
A: Its dimensions are approximately 160 mm × 100 mm × 25 mm and it weighs about 0.48 kg. -
Q: How fast does it act after a fault is detected?
A: It can generate a trip or alarm in under 10 milliseconds once a preset threshold is exceeded. -
Q: Is it suitable for harsh environmental conditions?
A: Yes. It is built to operate between –20 °C and +70 °C, in up to 95 % non‑condensing humidity, and optional variants cover even more extreme cold. -
Q: Can it continue to protect if one channel fails?
A: Yes. Dual‑channel redundancy ensures that the failure of one channel does not disable all protection. -
Q: What types of sensors can be used with it?
A: Proximity or eddy‑current displacement sensors are supported for sensing vibration or shaft displacement. -
Q: What outputs does it support?
A: It provides analog differential outputs and may include digital communication via RS‑485 or a proprietary bus, depending on configuration. -
Q: Is there self‑diagnostic functionality?
A: Yes. It performs a self‑test on power‑up, monitors channel health continuously, and provides LED status or diagnostic output. -
Q: Can it be mounted in standard industrial racks?
A: Yes. The module is compatible with 19‑inch rack mounting and optionally DIN‑rail mounting, facilitating diverse installation scenarios.
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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.
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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.