ST5484E - Vibration Transmitter
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Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter Overview The ST5484E is a self-contained seismic velocity transmitter that incorporates a piezo-electric accelerometer, signal integrator, RMS peak detector, and 4-20 mA signal conditioner into a single package that can be mounted directly on the machine case or bearing housing without need of any intervening signal conditioning equipment. The amplitude of the integrated acceleration (velocity) signal is converted to a proportional 4-20 mA signal that is compatible with most industrial process control instrumentation such as PLCs, DCSs, and SCADA systems that can provide trending and/or alarming capabilities for a simplified vibration monitoring strategy. When the flying lead or terminal block connector options are chosen, the transmitter is designed for use without need of a separate environmental housing and can directly accept conduit. It can be used with barriers for intrinsically safe installations, or wired directly to explosion-proof conduit fittings for explosionproof installations, reducing total installed costs. Need A Local Display? When continuous, local indication of vibration levels is required at the transmitter, the Metrix ST5491E provides these capabilities. Its sensing and transmitter elements are similar to the 5484E, but it includes a convenient 2 ½ digit LCD display in an integral conduit elbow and is rated for use in temperatures from -10 C to +70C. Refer to datasheet 1004598 for ordering information and detailed specifications. Document 1004457 Rev. N (Aug 2012) Flying Leads (Option D=0, 1, 5, or 6) (2-wire shown; 4-wire also available) 2-Pin Terminal Block (Option D=2) 4-Pin Terminal Block (Option D=3) 2-Pin MIL Connector (Option D=4)

Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter Applications In applications where the features and functions of a stand-alone monitoring system may not be warranted, the use of a vibration transmitter may be an appropriate approach. The ST5484E is intended for general-purpose vibration measurements on a wide range of rotating and reciprocating machinery with rotative speeds between 120 rpm and 6,000 rpm. Seismic measurements are particularly well-suited for machines that incorporate rolling-element bearings because shaft vibration in such machines is usually transmitted directly...

Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter Features • • • • • • • Improved RFI/EMI Immunity – Enhanced circuit designs and simple installation techniques aggressively filter out noise from common sources such as handheld radios. Excellent Moisture Resistance – The 2-pin MIL connector version is hermetically sealed to provide an IP67-rated enclosure. Flying lead and terminal block versions are fully potted and rated to IP56 when installed with conduit elbow. Hazardous Area Approvals – North American (CSA), Brazilian (INMETRO), and European (ATEX & IEC) approvals available....

Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter Specifications All specifications are at +25C (+77° F) and +24 Vdc supply voltage unless otherwise noted. Supply Voltage (see also note under max loop resistance) Circuit-to-Case Isolation 4-20 mA Maximum 420 mA loop resistance Inputs 11 – 30 Vdc (24 Vdc nominal); Metrix patented IPT® independent polarity diode bridge circuit allows voltage to be connected without regard to polarity. Document 1004457 Rev. N (Aug 2012) 10 kΩ NOTES: 1. The dynamic signal output is short-circuit protected by means of a 10 kΩ resistor, resulting in a...

Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter High-Pass Roll-Off Optional LowPass Filter Corner Low-pass RollOff Accuracy 12 dB/octave Enclosure Rating 230, 250, 500, or 1000 Hz (must be specified at time of ordering) 12 dB/octave IP67* NEMA 4X ± 2.5% (within passband) *Sensor rated to IP67; removable cable assembly with splash-proof boot rated to IP66. ± 4% (at corner frequencies) Maximum Full Scale Minimum Full Scale Full Scale Range Units Amplitude Detection MIL-Style Connector (option D=4) 5.0 in/sec (others by request) 0.5 in/sec (others by request) • in/sec (standard) •...

Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter C Ordering Information Hazardous Area Certification 1 2 3 4 5 6 7 8 ST5484-AAA-BCD-EF Seismic Velocity Transmitter AAA Full Scale Range 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 3 5 5 5 5 5 6 B 1 2 3 4 6 2 1 2 3 4 6 2 1 2 1.0 in/sec (25.4 mm/s) peak 2 0.5 in/sec (12.7 mm/s) peak 2 2.0 in/sec (50.8 mm/s) peak 2 5.0 in/sec (125 mm/s) peak 2 0.8 in/sec (20.3 mm/s) peak 2 3.0 in/sec (76.2 mm/s) peak 1.0 in/sec (25.4 mm/s) true RMS 0.5 in/sec (12.7 mm/s) true RMS 2.0 in/sec (50.8 mm/s) true RMS 5.0 in/sec (254 mm/s) true RMS 0.8 in/sec (20.3 mm/s)...

Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter NOTES: 4. 5. 6. Table 1 – Attenuation of Dynamic Signal versus Load Impedance (Zload) Data Collector / Analyzer Load Impedance (Zload) 10 MΩ 5 MΩ 2 MΩ 1 MΩ 500 kΩ 200 kΩ 100 kΩ 50 kΩ 20 kΩ 10 kΩ Document 1004457 Rev. N (Aug 2012) Dynamic Signal Voltage Attenuation (dB) 0.01 dB 0.02 dB 0.04 dB 0.09 dB 0.18 dB 0.43 dB 0.84 dB 1.61 dB 3.57 dB 6.10 dB Dynamic Signal Voltage Attenuation (%) 0.1% 0.2% 0.5% 1% 2% 5% 9% 17% 33% 50% Allowable B options (Mounting Stud Sizes) All (no restrictions) 0, 1, 3, 10, 11, 13 0, 1, 2, 3, 5, 9 10, 11, 12,...

Datasheet ST5484E Seismic Velocity 4-20 mA Transmitter Accessories Part Number Description 8200-001 Conduit Elbow & Reducer Mates to top of ST5484E and provides access to and physical protection of field wiring. Suitable for Class I, Div. 1 (Grps C & D) and Class II, Div. 1 (Grps E, F & G) hazardous areas. Conduit entry is 1” NPT (1” NPT to ¾" NPT reducer included). IP 56 rating. Material: copper-free aluminum. Conduit Elbow & Reducer with Terminal Block Same as 8200-001 but includes terminal block; conduit entry is 1” NPT (1” NPT to ½” NPT reducer supplied) Stainless Steel Conduit Elbow &...