The METRIX ST5484E-121-0200-00 is a loop-powered seismic velocity transmitter from the trusted ST5484E Series. This model is specifically configured with a full-scale range of 1.0 in/sec (25.4 mm/s) True RMS, making it ideal for general-purpose vibration monitoring on rotating machinery. It combines a piezoelectric accelerometer, signal integrator, RMS detector, and 4-20 mA signal conditioner into a single robust housing for direct connection to PLCs, DCS, and SCADA systems .
Key Features
All-in-One Design: Integrates sensor and signal conditioner; no external hardware required .
Loop-Powered (2-Wire): Simplifies wiring and reduces installation costs .
True RMS Amplitude Detection: Provides accurate measurement of vibration energy .
Rugged Construction: Housed in durable 303 stainless steel .
Polarity Independent Wiring: Metrix patented IPT® technology allows for error-free connection .
Product Specifications (Model ST5484E-121-0200-00)
The ordering code for this specific model breaks down as follows :
Parameter Specification
Model ST5484E - Seismic Velocity 4-20 mA Transmitter
Full Scale Range (AAA) 121 - 1.0 in/sec (25.4 mm/s) True RMS
Housing & Stud (B) 0 - 303 SS Housing, ¼” NPT Stud
Certification (C) 2 - CSA (Explosion-proof & Intrinsically Safe)
Connection (D) 0 - 2-Wire Flying Leads (4-20 mA output only)
High-Pass Filter (E) 0 - 2 Hz (Standard)
Low-Pass Filter (F) 0 - 1500 Hz (Standard)
Detailed Technical Data
Output Signal: 4-20 mA (proportional to velocity) .
Supply Voltage: 11 – 30 VDC (24 VDC nominal). Independent polarity circuit allows connection without regard to polarity .
Frequency Response: Designed for machines running between 120 rpm and 6,000 rpm (2 Hz to 1,500 Hz standard filtering) .
Accuracy: ± 2.5% within the passband .
Amplitude Detection: True RMS .
Operating Temperature: -40°C to +100°C (-40°F to +212°F) .
Enclosure Rating: IP66 when installed with appropriate conduit elbow (flying leads version) .
Weight: Approx. 0.36 kg (0.8 lbs) .
Mounting: ¼” NPT Stud (integral) .
Applications
Pumps, compressors, and fans .
Motors and generators .
Rolling element bearing machinery .
General-purpose rotating equipment (120 to 6,000 rpm) .
This unit provides a simple, economical vibration monitoring solution by converting true RMS vibration velocity directly into a 4-20 mA signal for trend analysis and alarming .
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Metrix Vibration Sensor
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