RHEINTACHO FA-120354 Speed Monitor

The RHEINTACHO FA-120354 Speed Monitor is an industrial rotational speed supervision device designed for accurate RPM detection, overspeed protection, and process-related speed monitoring in automation systems. Developed by RHEINTACHO Messtechnik GmbH, the FA-120354 Speed Monitor is engineered for demanding industrial applications where stable and precise rotational speed evaluation is essential for machine protection and operational safety.Unlike conventional tachometers that only display speed values, the RHEINTACHO FA-120354 performs active monitoring and switching functions based on programmable speed thresholds. The device continuously evaluates incoming pulse signals from sensors and generates alarm or relay outputs whenever monitored machinery exceeds or falls below defined speed limits.According to RHEINTACHO technical references, the monitoring frequency range extends up to 20,000 Hz, enabling precise supervision of both low-speed and high-speed rotating equipment.Overall, the RHEINTACHO FA-120354 Speed Monitor provides dependable real-time rotational supervision for industrial automation systems requiring accurate speed detection, protective switching, and stable process monitoring.

Model: FA-120354
Product Type: Industrial Speed Monitor
Manufacturer: RHEINTACHO Messtechnik GmbH
Monitoring Function: Rotational speed supervision and alarm switching
Frequency Monitoring Range: 0.01 Hz to 20,000 Hz
Speed Detection Range: Approx. 10 RPM to 20,000 RPM class
Accuracy: < ±0.03% of final value ±1 digit
Response Time: <20 ms switching delay class
Input Signal Types:

• NPN
• PNP
• Sinusoidal sensor signals

Power Supply: 18–36 V DC typical industrial supply
Current Consumption: <160 mA at 24V DC
Analog Output: Optional 0–20 mA / 4–20 mA versions available in ROTAS family
Operating Temperature: -25°C to +70°C industrial environment range

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• Dual-Threshold Velocity Safeguards: Engineered with independent, software-configurable trip-points, the FA-120354 provides aggressive runaway (overspeed) and stall (underspeed) mitigation, executing critical safety interlocks before thermal or structural load failure occurs.
• High-Fidelity Kinematic Frequency Ingestion: The FA-120354 executes high-speed mathematical tracking of rotational frequency vectors, delivering instantaneous RPM calculation directly from targeted gear teeth or shaft keyways with near-zero latency.
• Universal Pulse-Train Signal Conditioning: The front-end acquisition matrix of the FA-120354 features a highly adaptive electrical interface, natively accepting input vectors from raw electromagnetic pickups, active Hall-effect sensors, or proximity probes without external pre-amplification.
• Galvanically Isolated Force-Guided Relays: For absolute control-loop integrity, the module incorporates snap-acting, heavy-duty relay contacts optimized for emergency trip-string integration, executing deterministic emergency machine shutdowns during mechanical anomalies.
• High-Transient Magnetic Flux Rejection: Housed in a ruggedized, noise-shielded enclosure, the FA-120354 suppresses massive common-mode voltage spikes and electromagnetic field leakage generated by high-power industrial motors, maintaining uncompromised measurement stability.

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Q: What is your standard warranty policy?
A: To ensure maximum operational reliability, every industrial component we supply is backed by a comprehensive one-year (12-month) limited warranty starting from the date of shipment.
Q: What is your typical shipping and lead time?
A: We prioritize minimizing your facility's downtime. Most in-stock orders are processed, securely packaged, and dispatched within 1 to 3 business days following payment confirmation.
Q: Do you offer price matching or competitive discounts?
A: Yes. We are committed to delivering the best market value. If you receive a lower verifiable quotation from another competitor for the exact same part, please share it with us-we will aggressively match or beat the price whenever possible.
Q: Which shipping carriers and logistics options do you support?
A: We offer seamless global distribution through premier express couriers, including DHL, FedEx, UPS, and TNT. Additionally, and we fully accommodate customers using their own freight forwarders.
Q: What are your accepted payment methods?
A: Our standard payment term is secure Telegraphic Transfer (T/T) prior to shipment. For alternative payment arrangements or specific corporate purchasing requirements, please contact our dedicated sales team to discuss available options.

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