Bently Nevada 3500/50 133388-02 Two channel tachometer module
Specific Parameters
Electrical Parameters
Operating Voltage: 24V DCInput Channels: 2 signal inputs, compatible with proximity probes and magnetic pickupsInput Signal Range: +10.0V to -24.0V, internally limited if exceededSpeed Measurement Range: Maximum full scale 99,999rpm, supporting 0.0039 to 255 events per revolutionInput Frequency Range: Maximum 20KHz, minimum 0.0167Hz (1rpm) for proximity probes, minimum 3.3Hz for passive magnetic sensorsMinimum Trigger Amplitude: 1V peak-to-peakOutput Impedance: 550ΩPower Consumption: Typical 5.8 wattsCommunication Protocols: Supports internal communication with 3500 rack, compatible with Modbus, TCP/IP and other protocolsAlarm Settings: Supports two-level custom thresholds (warning, danger), configurable for speed band, zero speed, rotor acceleration and other alarm typesDiagnostic Functions: Integrated diagnosis for sensor signal abnormalities and channel faults, with real-time status feedbackInsulation Resistance: ≥100MΩ between channels and between channels and power supply (measured at 500V DC, normal temperature and state)Voltage Withstand Strength: ≥2500V AC (1 minute no breakdown, leakage current ≤1mA)Certification Standards: Compliant with CE, UL, RoHS 2.0 standards
Mechanical Parameters
Overall Dimensions: Compatible with 3500 series standard racks, compact modular designWeight: Approximately 0.5kg, compatible with 19-inch EIA standard rack mountingMounting Method: Rack-mounted, supporting deployment in 3500 series full-size and mini racksHousing Material: Die-cast aluminum alloy (main body) + flame-retardant engineering plastic (interface panel), anti-electromagnetic interferenceConnection Method: Plug-in terminal blocks, compatible with shielded twisted-pair cables and sensor-specific cablesProtection Rating: IP20 (rack-mounted), suitable for industrial control cabinet environmentsStatus Indication: Module-level power (green), communication (TX/RX LED), fault (red) LEDs; channel-level operation status LEDs
Environmental Parameters
Operating Temperature: -30℃ to +65℃ with internal/external termination I/O modules; 0℃ to +65℃ with internal barrier I/O modulesStorage Temperature: -40℃ to +85℃, meeting extreme storage and transportation requirementsRelative Humidity: 5% to 95% (non-condensing), suitable for high-humidity industrial scenariosVibration Resistance: 3g acceleration at 3Hz-57Hz frequency range, 5g acceleration at 57Hz-500Hz frequency range (sine wave)Shock Resistance: 15g acceleration (half-sine wave, duration 11ms), withstanding installation and transportation shocksEMC Compliance: Meets EN 55014-1 (emission limits), EN 55014-2 (immunity) standardsInstallation Altitude: ≤2000m (normal operation), power derating 10% for every 1000m increase from 2000m to 5000m
Product Performance
2-channel synchronous monitoring: Simultaneously collects speed data from two devices or two measurement points of the same device with high data consistencyExcellent measurement accuracy: Wide frequency range and low trigger amplitude design, speed reading reliability up to 99.9% under harsh working conditionsFlexible configuration functions: Supports four core monitoring modes to meet the monitoring needs of different rotating equipmentHigh integration level: Built-in Keyphasor signal conditioning function, reducing the number of system module configurationsTimely alarm response: Quickly feeds back status after fault triggering, assisting operators in timely disposalHigh maintenance convenience: Supports programming via 3500 rack configuration software, peak data resettable by users, and intuitive fault troubleshootingOutstanding operational stability: Industrial-grade components and anti-electromagnetic interference design, Mean Time Between Failures (MTBF) ≥350,000 hours
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