Digital guide
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Bently 133396-01 Keyphasor® Signal Conditioning Module
Technical Specifications:
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Input Types: Magnetic pickup, eddy-current probe, optical sensor, TTL
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Frequency Range: 0.1 Hz – 50 kHz
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Trigger Level: Automatic or manual 0–25 V
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Output Pulse: TTL, 5 µs minimum width, <50 ns jitter
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Accuracy: ±0.05 % of reading
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Isolation: 500 V input-to-output
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Power: 6 W from rack
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Operating Temperature: 0 °C to +65 °C
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Dimensions: Standard 3500 full-height slot
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Weight: 0.5 kg
Detailed content
Functional Features:
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Auto-threshold finds optimum trigger level for noisy signals
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Front BNC for oscilloscope phase verification
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Redundant Keyphasor® outputs for dual-monitor racks
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Programmable multiplier/divider for gear ratio correction
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SIL 3 capable for overspeed detection systems
Application Scenarios:
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Providing phase mark for turbine shaft balancing
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Synchronizing compressor surge detection with rotating stall
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Triggering reciprocating engine combustion analysis
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Vector trending for large motor pole-slip identification
