Excellent PLC
Product Introduction
The Bently Nevada 330752-25-05 is a high-temperature speed sensor specifically designed to deliver accurate rotational speed measurements in extreme industrial environments. Built to withstand elevated temperatures and harsh conditions, this sensor is a reliable choice for critical machinery monitoring applications. It forms an integral part of Bently Nevada’s comprehensive machinery protection systems, allowing operators to monitor equipment performance and detect issues early, thereby reducing downtime and maintenance costs.
This speed sensor is engineered to provide precise signals even in temperatures where conventional sensors fail. Its rugged construction and specialized materials ensure longevity and consistent performance, making it suitable for use in turbines, compressors, and other high-speed rotating equipment operating under demanding thermal stresses.
Product Specifications
| Parameter | Description |
|---|---|
| Model Number | 330752-25-05 |
| Sensor Type | High Temperature Speed Sensor |
| Measurement Principle | Variable reluctance (magnetic) |
| Operating Temperature | Up to 260°C |
| Storage Temperature | -40°C to +300°C |
| Output Signal | AC pulse signal proportional to rotational speed |
| Frequency Range | Up to 50 kHz |
| Supply Voltage | Passive (no external power required) |
| Connector Type | MIL-C-26482 (military-grade connector) |
| Material | Stainless Steel Housing |
| Sensor Head Diameter | 25.4 mm |
| Weight | 0.715 kg |
| Mounting Style | Threaded mounting |
| Protection Rating | IP67 |
| Certifications | CE, RoHS |
Applications
The 330752-25-05 High Temperature Speed Sensor is designed for challenging industrial applications where accurate speed monitoring is essential under high temperature conditions. Typical use cases include:
-
Gas and Steam Turbines – Speed monitoring in hot zones
-
Compressors – Ensuring safe and efficient rotational speed
-
Power Generation – Speed feedback for control and protection systems
-
Petrochemical Plants – Monitoring rotating equipment exposed to heat
-
Industrial Engines – Accurate RPM measurement under high thermal stress
-
Heavy Machinery – Reliable speed sensing in harsh operating environments
Key Advantages
-
High Temperature Tolerance: Operates reliably up to 260°C, ideal for extreme environments.
-
Robust Construction: Stainless steel housing resists corrosion and mechanical wear.
-
Passive Operation: Does not require external power, simplifying installation.
-
Accurate and Fast Response: Produces a clean AC pulse output suitable for precise speed measurement.
-
Easy Integration: Compatible with standard monitoring and protection systems.
-
IP67 Rated: Dust-tight and water-resistant, suitable for harsh industrial conditions.
Frequently Asked Questions (FAQ)
-
Q: What is the maximum operating temperature of the 330752-25-05?
A: It operates reliably up to 260°C. -
Q: What kind of output signal does the sensor provide?
A: It provides an AC pulse output proportional to shaft speed. -
Q: Does this sensor require external power?
A: No, it is a passive sensor and does not need external power. -
Q: What is the sensor’s frequency response range?
A: Up to 50 kHz, suitable for high-speed machinery. -
Q: What are the typical applications for this sensor?
A: Turbines, compressors, power generation, petrochemical equipment, and industrial engines. -
Q: What type of connector is used on this sensor?
A: It uses a MIL-C-26482 military-grade connector. -
Q: What are the sensor’s dimensions and weight?
A:0.715 kg. -
Q: Can the cable length be customized?
A: Yes. -
Q: Is this sensor suitable for outdoor use?
A: Yes, it has an IP67 rating making it dust-tight and water-resistant. -
Q: How is the sensor mounted?
A: It is mounted using a threaded fitting.
Related or Similar Models
| Model Number | Max Operating Temp | Sensor Type | Connector Type | Typical Application |
|---|---|---|---|---|
| 330752-25-10 | 260°C | High Temp Speed Sensor | MIL-C-26482 | High-temp rotating machinery |
| 330752-40-05 | 180°C | Speed Sensor | MIL-C-26482 | Medium-temp industrial equipment |
| 330753-25-05 | 260°C | Proximity Speed Sensor | MIL-C-26482 | High-temp shaft monitoring |
| 330754-30-10 | 300°C | High Temp Speed Sensor | MIL-C-26482 | Extreme temp turbine monitoring |
| 330755-25-05 | 250°C | Magnetic Speed Sensor | MIL-C-26482 | Turbine speed measurement |
| 330756-20-05 | 200°C | Passive Speed Sensor | MIL-C-26482 | General industrial applications |
Popular Bently Nevada Models
| Model Number | Type | Application | Output | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| 3300 XL Vibration Monitor | Condition Monitoring | Machinery vibration analysis | Analog/Digital | 230 × 175 × 90 | 3.5 kg |
| 3500 Proximitor Probe | Proximity Sensor | Shaft position monitoring | AC Signal | Various | 0.15–0.3 kg |
| 1701 Vibration Transmitter | Overall Vibration | Vibration level measurement | 4–20 mA | 120 × 80 × 60 | 0.6 kg |
| 2300 Portable Monitor | Field Vibration Monitor | Portable diagnostics | Digital | Handheld device | 1.1 kg |
| 1331 Eddy Current Probe | Proximity Probe | Shaft vibration sensing | AC Signal | Various | 0.2 kg |
| 3300 XL System Processor | Signal Processing Unit | Data acquisition & processing | Digital | 150 × 120 × 70 | 1.2 kg |
