Fabricante: Bently Nevada
Nº do Produto: 177230-00-01-CN
País de origem:Estados Unidos
Tipo de Produto: Seismic Transmitters
Pagamento: T/T, Western Union
Peso: 320g
Porto de embarque: Xiamen
Garantia: 12 meses
Integrating directly into PLC, DCS, or SCADA control architectures, the Bently Nevada 177230-00-01-CN serves as a loop-powered seismic transmitter designed for continuous vibration monitoring of industrial rotating machinery. This velocity-based transmitter utilizes a piezo-electric accelerometer with onboard signal conditioning to produce a 4 to 20 mA analog output proportional to the overall vibration velocity. Encased in a rugged, hermetically sealed 316L stainless steel housing, it is engineered for long-term deployment in high-reliability industrial environments, providing immediate protection and diagnostics for balance-of-plant assets.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number (SKU) | 177230-00-01-CN |
| Measurement Range | 0 to 12.7 mm/s (0 to 0.5 in/s) RMS |
| Frequency Response | 10 Hz to 1 kHz (600 to 60,000 cpm) RMS |
| Output Signal | 4 to 20 mA DC (loop-powered) |
| Approvals Option Code | CN (China-specific industrial and hazardous area approvals) |
| Relative Humidity | To 100% non-submerged |
| Case Material | 316L Stainless Steel |
| Connector Type | 3-pin MIL-C-5015, 316L Stainless Steel |
| Mounting Thread | 1/4-28 UNF |
| Transmitter Diameter | 25.4 mm (1.00 in) |
| Transmitter Height | 66.0 mm (2.60 in) |
| Sensor Weight | 0.131 kg (0.29 lb) |
| Shipping Weight (Calculated) | 1.50 kg (including secure transit packaging) |
| Country of Origin | United States |
| MIL-C-5015 Pin | Function / Circuit Assignment |
|---|---|
| Pin A | Positive 4 to 20 mA Current Loop (+ TX / Power) |
| Pin B | Negative 4 to 20 mA Current Loop Return (- TX / Common) |
| Pin C | Shield / Ground Connection |
This transmitter acts as a standardized replacement for legacy case velocity transducers when direct-to-PLC output is desired. Note that the 177230 series outputs a 4 to 20 mA DC current corresponding to overall root-mean-square (RMS) velocity, meaning it cannot directly drive legacy dynamic vibration monitors (such as Bently Nevada 3500/42M modules configured for dynamic inputs) without proper module configuration for static analog signals.
Do not mount this transmitter on flexible machine casings or thin plate sections. Doing so can introduce high-frequency structural resonances that do not represent true bearing housing movement, causing false high readings. The sensor must be bolted to a solid, flat, machined surface directly on or near the machine's bearing housing to ensure accurate mechanical energy transfer.
To guarantee optimal high-frequency signal coupling, ensure the mounting surface is completely free of debris and paint. Apply a thin layer of silicone grease to the 1/4-28 UNF mounting stud before installation. Cable runs should be completed using high-quality twisted, shielded pair cabling. Ground the shield at the receiver (PLC/DCS) chassis ground only to prevent ground loops that cause noise injection on the loop current signal.
Before starting mechanical mounting or electrical wiring, ensure the monitored rotating asset is fully de-energized and locked out. Keep loop power supply disconnected until all wiring is physically terminated to prevent electrical shocks or component damage in hazardous areas.
Prepare a flat, spot-faced area with a diameter of at least 25.4 mm (1.00 in) on the bearing housing.
Drill and tap a vertical mounting hole perpendicular to the machined surface using a 1/4-28 UNF tap, minimum depth 12 mm.
Torque the transmitter to 9.9 N-m (88 in-lb) using a calibrated torque wrench. Do not overtighten, as this can degrade internal crystal elements.
Connect the 3-pin MIL-C-5015 cable connector and secure the locking collar. Run the cable through conduit to protect against mechanical abrasions.
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| Country of origin |
Estados Unidos
|
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