Introduction
The EPRO 330750-60-05 is a specific model of a PT100 Resistance Temperature Detector (RTD) from EPRO (now part of Baker Hughes). This sensor is designed for the continuous and precise monitoring of temperature on critical rotating machinery, such as turbines, compressors, and large pumps.
As an RTD, its operation is based on the predictable change in electrical resistance of its platinum element with temperature. The "PT100" designation means it has a resistance of 100 ohms at 0°C. This sensor provides a highly accurate and stable analog signal that represents the temperature of the point at which it is installed, typically a bearing housing or lube oil line. The "-60-05" suffix defines its specific mechanical configuration, including its insertion length and connection type.
Parameters / Specifications
The key technical specifications for the EPRO 330750-60-05 are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 330750-60-05 |
| Product Line / Type | EPRO (Baker Hughes) PT100 RTD Temperature Sensor |
| Sensor Type | PT100 (Platinum Resistance Thermometer) |
| Resistance at 0°C (32°F) | 100 Ω |
| Tolerance / Class | Class A (±0.15°C at 0°C) or Class B (±0.3°C at 0°C) as per IEC 60751 |
| Temperature Range | -50°C to +150°C (-58°F to +302°F) [Typical for bearing applications] |
| Element Type | Thin-film or wire-wound (designed for industrial vibration) |
| Connection | Integrated, unconnectorized cable (a common interpretation of the -00 implied in the base model). |
| Insertion Length | 60 mm (This is a key interpretation of the -60 suffix). |
| Mounting Thread | G1/2" (This is a key interpretation of the -05 suffix). |
| Probe Diameter | Approx. 6 mm (standard for a G1/2" threaded housing) |
| Housing Material | Stainless Steel (e.g., 316SS) |
| Cable Length | Standard length (e.g., 1 or 2 meters; specific length should be confirmed with datasheet). |
| Weight (Approx.) | 0.33 lbs (0.15 kg) |
Note: The exact interpretation of suffixes can vary. For critical applications, consulting the official EPRO datasheet or configuration guide for this exact part number is highly recommended.
Application Scenarios
This PT100 RTD sensor is deployed wherever reliable and accurate temperature monitoring is essential for the health and safety of industrial machinery.
Typical application scenarios include:
Bearing Temperature Monitoring:
Directly mounted in bearing housings of turbines, compressors, generators, and large motors. It detects overheating caused by lubrication failure, misalignment, or excessive load, providing a primary protection function to prevent bearing wipeout.
Lube Oil Temperature Measurement:
Installed in oil lines or reservoirs to monitor the temperature of the lubricating oil. High oil temperature can indicate cooler failure or problems within the machine, while low temperature can prevent proper oil circulation during start-up.
Cooling Water Temperature:
Used to monitor the temperature of water used for cooling various machine components, such as engine jackets or heat exchangers, ensuring the cooling system is functioning correctly.
Process Temperature Monitoring:
Injected into process lines (e.g., gas, liquid) to ensure the machinery is operating within its designed thermodynamic envelope.
Industries of Use:
Power Generation (Gas, Steam, and Hydro Turbines)
Oil & Gas (Pipeline Compressors, Pumps)
Petrochemical & Refining
Marine Propulsion
Heavy Industrial Manufacturing
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