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Home > Electrical & Electronics > Electrical Control System > Bently 330130-045-02-05 Extension Cable

Bently 330130-045-02-05 Extension Cable

Bently 330130-045-02-05 Extension Cable photo-1

Bently 330130-045-02-05 Extension Cable photo-2

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

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Material:

Other, Global universal model

Condition:

Other, Global universal model

Task:

Other, Global universal model

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Guizhou Yuanmiao Automation Equipment Co., Ltd.

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guizhou

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Material Other, Global universal model

Condition Other, Global universal model

Task Other, Global universal model

Mathematical Model Other, Global universal model

Signal Other, Global universal model

Customized Non-Customized

Structure Other, Global universal model

Operating Temperature -20°C~70°C

Relative Humidity 5% - 95% (non-condensing)

Storage Temperature -40℃~85℃

I. Overview

The Bently 330130-045-02-05 is an eddy current effect large-displacement monitoring system composed of a "probe + extension cable + preamplifier". It must be used in conjunction with Bently 3300/3500 monitoring frameworks (such as the 3500/40 Vibration-Displacement Monitoring Module). Its core functions include: non-contact measurement of the radial vibration (peak-to-peak value, measuring range: 0~45 mil, approximately 1.143 mm) and axial displacement (thrust bearing clearance, 0~45 mil) of rotating machinery rotors via the eddy current effect; conversion of mechanical displacement into a standard electrical signal (-4V~+4V DC, corresponding to 0~45 mil displacement); real-time output of measurement data to the backend monitoring system; self-diagnostic capabilities for faults such as probe open/short circuits and cable impedance mismatch; and support for communication with the 3500 framework via analog or digital signals (Modbus RTU). Its core advantages lie in "wide measuring range (0~45 mil), high precision (resolution of 0.1 mil, approximately 2.54 μm), high-temperature resistance (probe temperature resistance up to 210°C), and strong anti-interference performance". It is particularly suitable for large-displacement monitoring scenarios (such as steam turbine axial movement, heavy-duty compressor rotor displacement), high-speed equipment (maximum 60,000 r/min), and harsh industrial working conditions (high temperature, oil contamination, strong electromagnetic fields).

The 330130-045-02-05 probe measures axial displacement (measuring range: 0~45 mil, accuracy: ±0.1 mil). When thrust bearing wear causes the displacement to increase from 10 mil to 35 mil (early warning threshold: 38 mil), the probe captures the signal within 0.05 seconds and transmits it to the 3500 monitoring framework, providing a 15-day advance warning of the "bearing wear" fault. Maintenance personnel replace the bearing to prevent the displacement from exceeding 40 mil (shutdown threshold), avoiding a single unit shutdown loss of over 5 million yuan. In a 4MCL centrifugal compressor (rotational speed: 15,000 r/min) of a petrochemical plant, the probe monitors the radial vibration of the rotor (measuring range: 0~45 mil). When the rotor exhibits 25 mil vibration due to impeller fouling, a load reduction interlock is triggered to prevent rotor bending caused by vibration expanding to 40 mil (maintenance cost exceeding 8 million yuan). In a 2500 m³ blast furnace blower of an iron and steel plant (operating temperature: 190°C, dust concentration: 15 mg/m³), the probe, with its IP67 protection and temperature-resistant material design, operates continuously for 3 years without signal drift, and its Mean Time Between Failures (MTBF) is ≥400,000 hours, meeting the high reliability requirements for monitoring in the 24-hour continuous oxygen supply of the blast furnace.

In terms of hardware design, the system adopts a "three-component modular" architecture, suitable for flexible installation and maintenance in industrial sites:

Probe (330130-045-02-05): Adopts a dual-coil eddy current design (to improve the linearity of large-displacement measurement), with a stainless steel housing (AISI 416, strong corrosion resistance), a probe diameter of 0.5 inches (approximately 12.7 mm), a measuring surface coated with tungsten carbide (hardness: HV 2000, wear-resistant), an operating temperature range of -30°C~210°C (high-temperature customized version up to 315°C), a measuring range of 0~45 mil (1 mil = 0.001 inches, approximately 25.4 μm), compatibility with target materials (conductive metals such as steel, cast iron, and aluminum alloy), and a measuring gap of 5~50 mil (to ensure full-range linearity).
Extension Cable: Standard 10-foot (approximately 3.05 m) low-noise shielded cable (5 ft/20 ft optional), made of fluororubber insulation material (resistant to mineral oil and high/low temperatures of -40°C~200°C), with a shielding layer of double-layer copper mesh + aluminum foil (electromagnetic interference resistance increased by 60% compared to traditional shielding), a characteristic impedance of 50Ω±5%, and a capacitance of ≤100 pF/ft to ensure no attenuation or crosstalk of large-displacement signals.
Preamplifier: Uses an industrial-grade cast aluminum housing with an IP54 protection rating, an operating temperature range of -20°C~70°C, a supply voltage of -24V DC (±10%), and an output signal of -4V~+4V DC (linearly corresponding to 0~45 mil displacement). It has a built-in fault diagnosis circuit (LED indicators: green = normal, red = fault), supports communication with the 3500 framework, and uploads displacement data and fault information.

II. Technical Parameters

1. Measurement Performance Parameters

Parameter Category	Specific Specifications
Measurement Principle	Eddy current effect non-contact measurement, sensitive only to conductive materials (resistivity: 1~1000 μΩ·cm), not affected by non-conductive contaminants (dust, oil mist)
Measuring Range	Radial vibration/axial displacement: 0~45 mil (approximately 1.143 mm), configurable to 0~30 mil/0~40 mil via the preamplifier, resolution: 0.1 mil (2.54 μm)
Linearity	±0.5% full scale (typical value: ±0.2%), linear error ≤0.225 mil (for 0~45 mil range), consistent measurement accuracy across the full range
Frequency Response	0~10 kHz (-3 dB), covering common fault frequencies of rotating machinery (1x frequency for rotor unbalance, 2x frequency for misalignment, 2000~8000 Hz for bearing faults)
Sensitivity	8.89 mV/mil (standard configuration, outputting -4V~+4V DC corresponding to 0~45 mil), fine-tunable by ±10% to adapt to different signal gain requirements
Measurement Objects	Rotor radial vibration amplitude (peak-to-peak value/RMS value/peak value), axial displacement (absolute/relative), shafting eccentricity, rotor runout
Output Signal	Preamplifier output: -4V~+4V DC (four-wire system), load resistance ≥1 kΩ; supports 4-20 mA DC output via a signal converter (compatible with traditional DCS)

2. Environmental Adaptability Parameters

Parameter Category	Specific Specifications
Operating Temperature Range	Probe: -30°C~210°C (high-temperature customized version: -30°C~315°C); Extension cable: -40°C~200°C; Preamplifier: -20°C~70°C
Storage Temperature Range	Probe/Cable: -50°C~250°C; Preamplifier: -40°C~85°C
Protection Rating	Probe: IP67 (dustproof and waterproof, no damage after 30 minutes of immersion in 1m deep water); Preamplifier: IP54; Cable: IP65
Electromagnetic Interference Resistance	Complies with EN 55022 Class A EMC standard, ESD protection: ±15 kV (air discharge)/±8 kV (contact discharge), RF radiation immunity: 20 V/m (80 MHz~1 GHz)
Vibration Resistance	Probe: Complies with IEC 60068-2-6 standard, 10-2000 Hz, 15 g acceleration (continuous operation); Preamplifier: 10-500 Hz, 5 g acceleration
Shock Resistance	Probe: Complies with IEC 60068-2-27 standard, 50 g acceleration, 1 ms pulse width (half-sine wave); Preamplifier: 30 g acceleration, 11 ms pulse width
Corrosion Resistance	Probe housing: AISI 416 stainless steel, salt spray resistant (no corrosion after 1000 hours in 5% NaCl solution), oil contamination resistant (no aging after 500 hours of immersion in mineral oil)

3. Electrical and Connection Parameters

Parameter Category	Specific Specifications
Power Supply Requirement	Preamplifier power supply: -24V DC (±10%), maximum power consumption ≤2 W (including probe and cable); supports reverse polarity protection (no damage when input voltage is -30V~-20V)
Cable Parameters	10ft extension cable: characteristic impedance 50Ω±5%, capacitance 90 pF/ft±10%, insulation resistance ≥100 MΩ (500V DC), voltage resistance 2 kV AC (no breakdown for 1 minute)
Connection Method	Probe and cable: M10×1 threaded connector (anti-loosening design + fluororubber sealing ring, IP67 waterproof rating); Cable and preamplifier: BNC connector (or terminal connection, optional)
Fault Diagnosis Function	Supports probe open/short circuit diagnosis (preamplifier output voltage ≤-5V or ≥+5V), cable impedance mismatch alarm (output voltage ≤-4.5V or ≥+4.5V); fault information displayed via LED indicator (steady red = fault)
Temperature Compensation	Built-in temperature compensation circuit (within -30°C~210°C range), temperature drift ≤0.01 mil/°C, ensuring no attenuation of large-displacement measurement accuracy when temperature changes

III. Functional Characteristics

1. Accurate Measurement of 0~45 mil Large Displacement, Adapting to Wide-Scenario Requirements

With the "dual-coil eddy current design" as its core, the 330130-045-02-05 addresses the pain points of "signal saturation" in traditional small-range probes and "low precision" in ordinary large-displacement sensors:

Wide Range Coverage: The 0~45 mil range can meet the large-displacement monitoring needs of most rotating machinery, such as steam turbine axial movement (usually 0~40 mil) and heavy-duty compressor rotor thermal expansion displacement (0~35 mil). Different devices can be monitored without replacing the probe. In a multi-steam turbine monitoring project of a power plant, one type of probe covers 3 types of units, reducing spare parts inventory costs by 35%.
Micron-Level Precision: The 0.1 mil (2.54 μm) resolution can capture tiny changes in large displacement. For example, it can accurately identify and output trend data for the 0.5 mil/day displacement increase caused by thrust bearing wear of a 1000 MW steam turbine, providing a basis for bearing life prediction.
High Linearity: The ±0.2% full-scale linear error ensures that the measurement deviation across the full range is ≤0.09 mil (for 0~45 mil range). In the axial displacement monitoring of a compressor rotor, the deviation between the measured value and the standard value is ≤0.05 mil, which is far better than the ±1% linear error of ordinary large-displacement sensors.

2. Full-Working-Condition Environmental Tolerance, Ensuring Stable Operation in Harsh Scenarios

In response to the complex working conditions of rotating machinery (high temperature, oil contamination, dust, strong electromagnetic fields), the probe achieves long-term stable operation through hardware reinforcement design:

High-Temperature and Oil Resistance: The 210°C operating temperature of the probe is suitable for steam turbine bearing boxes (180°C) and compressor cylinders (190°C). The fluororubber cable is resistant to mineral oil and lubricating oil corrosion; in the oil-contaminated environment of a refinery compressor, the cable is used for 4 years without aging or cracking.
Dust and Water Resistance: The IP67 probe can work normally in a blast furnace blower of an iron and steel plant (dust concentration: 15 mg/m³). Even if sprayed with cooling water for a short time, the large-displacement measurement deviation is still ≤0.1 mil, with no signal interruption.
Strong Electromagnetic Shielding: The double-layer shielded cable and the EMC design of the preamplifier ensure that the displacement signal has a signal-to-noise ratio (SNR) ≥80 dB near a 10 kV high-voltage frequency converter (with electromagnetic radiation of 30 V/m), with no false fluctuations (the SNR of traditional sensors is only 60 dB), ensuring the reliability of large-displacement data.
Temperature Compensation: The -30°C~210°C temperature compensation function ensures that the displacement measurement deviation is ≤0.1 mil in outdoor fans in northern winter (-30°C) and high-temperature machine rooms in summer (60°C), avoiding false alarms caused by temperature changes.

Product Tags: 330130-045-02-05