Introduction
The EPRO 330703-000-050-10-02-00 is a specific model of a 4-20 mA Two-Wire Vibration Transmitter from EPRO (Baker Hughes). This device is designed for continuous monitoring of casing vibration on a wide range of industrial machinery, such as pumps, motors, fans, and compressors.
This transmitter integrates a robust seismic sensor with sophisticated signal conditioning electronics into a single, compact housing. It is a loop-powered, two-wire device, meaning it uses the same two wires for both receiving its operating power (typically +24 V DC) and transmitting the standardized 4-20 mA output signal. This output is directly proportional to the overall vibration velocity of the machine casing, making it exceptionally easy to connect to a Plant's Distributed Control System (DCS), Programmable Logic Controller (PLC), or any data acquisition system that accepts a 4-20 mA input.
Parameters / Specifications
The key technical specifications for the EPRO 330703-000-050-10-02-00 are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 330703-000-050-10-02-00 |
| Product Line / Type | EPRO (Baker Hughes) 4-20 mA Vibration Transmitter |
| Measured Parameter | Casing Vibration Velocity |
| Output Signal | 4-20 mA, Two-Wire, Loop-Powered |
| Measuring Range | 0 to 50 mm/s peak (This is a key interpretation of the -050 suffix) |
| Frequency Range | 10 Hz to 1,000 Hz (600 to 60,000 CPM) |
| Power Supply | 12 to 30 V DC (Loop Powered) |
| Electrical Connection | 1/2" NPT Conduit connection (This is a key interpretation of the -10 suffix) |
| Mounting | Single 1/4-28 UNF or M6 threaded stud on the base |
| Housing Material | Stainless Steel |
| Sensing Orientation | Any (omnidirectional) |
| Linearity | ±1% of full scale |
| Dimensions (Approx.) | Diameter: 2.5 in (64 mm), Height: 3.5 in (89 mm) |
| Weight (Approx.) | 1.5 lbs (0.68 kg) |
| Operating Temperature | -40°C to +85°C (-40°F to +185°F) |
| Degree of Protection | IP67 |
Note: Suffix interpretations are based on common EPRO configuration codes. For absolute certainty, consulting the official EPRO datasheet is recommended.
Application Scenarios
This vibration transmitter is designed for widespread use on general-purpose and critical machinery where a simple, robust, and continuous vibration signal is needed for predictive maintenance and operational awareness.
Typical Application Scenarios:
Critical Pump and Motor Monitoring:
Permanently installed on cooling water pumps, charge pumps, and large electric motors in industrial plants to provide early warning of bearing wear, imbalance, or misalignment
Fan and Blower Monitoring:
Mounted on the bearing housings of induced draft (ID) and forced draft (FD) fans in power plants and HVAC systems to monitor for vibration caused by fouling, imbalance, or structural issues
Compressor Casing Vibration:
Used on non-critical or smaller compressors to track overall vibration levels where the two-wire design simplifies installation and reduces wiring costs
OEM Machinery Integration:
Built into original equipment by machinery manufacturers to provide a built-in vibration monitoring capability for easier integration into plant control systems
Industries of Use:
Water and Wastewater Treatment
Chemical and Petrochemical Processing
Power Generation (for auxiliary equipment)
HVAC Systems
Manufacturing and Heavy Industry
Global direct procurement guarantee
All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
Full service support
7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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On the basis of the same quality, we provide:
- More competitive price system
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- More complete technical support (free product technical documentation)
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