![]() ![]() The Keyphasor and speed measurements are also an integral part of the Bently Nevada Turbine Supervisory Instrumentation (TSI) suite of sensors for steam turbines. Alarm options offered with 3500 Rack Configuration software include Speed Band, Zero Speed, Rotor Acceleration and Reverse Rotation. ![]() The 3500/50M Tachometer conditions the inputs and compares the conditioned signals with user-programmable set points that can drive alarms and relay logic in the 3500 relay modules. Our 3500/50M Tachometer Module features 2 channels which accept input from Proximitor probes or magnetic pickups to measure shaft rotating speed, rotor acceleration, or reverse rotation. ![]() The 3500 System is available as a SIL 2-rated system and with multiple Hazardous Area and country-specific approvals available to tackle any environment. The Keyphasor measurement is also an integral part of the Bently Nevada†Turbine Supervisory Instrumentation (TSI) suite of sensors specifically for steam turbines. This allows your 3500 system to measure machine speed and vector parameters such as 1X vibration amplitude and phase that are key in determining vital machine behaviors. ![]() It receives input signals from proximity probes or magnetic pickups and converts the once-per-turn or multiple-event-per-turn pulse signals to a precise digital timing measurement. Our 3500/25 Keyphasor Module provides phase reference information in a 3500 rack (you can employ up to four Keyphasors per 3500 rack), enabling advanced machinery diagnostics. The TACH100 accepts signal and common wires from externally-powered Keyphasor Proximity Probe. Wires can connect in parallel with Keyphasor Proximity Probe input on the monitor rack or directly to the Keyphasor†Proximity Probe. When double-hearing protection is required, the Digital Tachometer provides a visual indication. The Digital Tachometer provides a local display indicating machine speed on the machine deck. The compact unit contains its own power supply, which is convenient when a permanent monitoring system is located at a distance or proximity to the machine is needed to indicate speed. The TACH100 Digital Tachometer can serve as a stand-alone speed indicator or in conjunction with any permanently installed monitoring system as a remote speed indicator. ![]()
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