Metrix ST5484E-121-0532-00 Seismic Velocity Transmitter
01Product Identification
Metrix ST5484E-121-0532-00 is a loop-powered seismic velocity transmitter configured for a 1.0 in/s derived-peak full-scale range, 303 stainless-steel housing with an M10 x 1.25 mounting stud, ATEX/UKEX intrinsic-safety approval, a two-wire terminal block, and the standard 2...1500 Hz filter band.
02Key Features
Design and Functions
- Loop power and the proportional 4...20 mA signal share a two-wire connection.
- Polarity-independent input technology reduces field wiring errors.
- The exact code selects the full-scale range, housing and stud, approval, connection, and filters.
- Rugged stainless-steel construction suits rotating and reciprocating machinery.
- Broadband velocity is suited to many machines with rolling-element bearings.
- The terminal-block version supports conduit-ready installation under the applicable approval requirements.
Product Identity
Manufacturer: Metrix
Model: ST5484E-121-0532-00
Product Type: Seismic Velocity 4-20 mA Transmitter
03Engineering Data
| Manufacturer | Metrix |
|---|---|
| Model | ST5484E-121-0532-00 |
| Product Type | Seismic velocity transmitter |
| Output | 4...20 mA proportional to vibration velocity |
| Full Scale | 1.0 in/s (25.4 mm/s) derived peak |
| Amplitude Detection | RMS x square root of 2 for derived peak |
| Housing | 303 stainless steel |
| Mounting Stud | M10 x 1.25, 12 mm |
| Hazardous Approval | ATEX / UKEX Ex ia IIC T4 Ga |
| Connection | Two-wire terminal block |
| Filter Band | 2...1500 Hz standard |
| Supply Voltage | 11...29.6 V DC for intrinsically safe service; 24 V DC nominal |
| Circuit-to-Case Isolation | 500 Vrms |
| Accuracy | +/-2.5% within passband; +/-4% at corner frequencies |
| Operating Temperature | -40...+100 deg C |
| Sensitive Axis | Mounting-stud axis |
| Orientation | Any |
04System Integration
- Confirm the complete ST5484E-121-0532-00 model identity against the installed nameplate and project documentation.
- Verify that the seismic velocity 4-20 ma transmitter is supported by the installed hardware platform and engineering software.
- Check field wiring, supply conditions, terminal assignments, protective devices, and required environmental or hazardous-area approvals.
- Preserve the approved configuration, scaling, alarms, diagnostics, addresses, and maintenance records before equipment exchange.
- Complete point-to-point checks and an approved functional commissioning test before returning the process to service.
05Applications
- Overall casing-vibration monitoring on pumps, fans, motors, compressors, and gearboxes.
- Low- to medium-speed rotating machinery with rolling-element bearings.
- PLC or DCS vibration loops using a standard 4...20 mA input.
- Intrinsically safe installations engineered for the exact approval code and barrier arrangement.
06Lifecycle
- Match every ordering-code field; a different suffix changes range, stud, approval, connection, or filter response.
- Confirm the intrinsic-safety barrier and entity-parameter calculation for the installed loop.
- Mount on a properly prepared surface with the specified M10 x 1.25 stud.
- Record loop resistance, supply voltage, alarm scaling, orientation, and mounting location.
- After installation, verify the 4 mA zero condition, scaled response, and control-system alarms.
FAQFrequently Asked Questions
What is
ST5484E-121-0532-00 is a loop-powered Metrix seismic velocity transmitter with a 1.0 in/s derived-peak range and 4...20 mA output.
Which system is it designed for?
It is designed for casing-vibration monitoring and integrates with compatible PLC, DCS, or monitoring inputs.
What must be matched before ordering?
Match the complete model code, installed hardware, electrical ratings, field wiring, connector arrangement, required approvals, and project revision.
What should be recorded before replacement?
Record the complete code, mounting point, stud, orientation, barrier, loop supply, loop resistance, scaling, alarm limits, and conduit arrangement.
How should lifecycle status be handled?
Use an exact code match or perform a documented vibration-loop engineering review for any substitute.
What should be checked after installation?
Verify wiring, supply conditions, configuration, diagnostics, channel behavior, alarms, and the controlled process under the approved commissioning procedure.
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