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Bently 3500/65 Channel Temperature Monitor – RTD & thermocouple inputs, high density
Technical Specifications:
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Channels: 16
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Input Types: RTD Pt100, Pt1000, thermocouple J, K, E, T, N, R, S, B
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Accuracy: ±0.5 °C for RTD, ±1 °C for TC
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Resolution: 0.1 °C
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Update Rate: 1 s per channel
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Isolation: 500 V channel-to-channel
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Outputs: 4-20 mA isolated per channel, 500 Ω max load
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Alarms: Two level-plus-rate-of-change per channel
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Power: 8 W
Detailed content
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Operating Temperature: –30 °C to +65 °C
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Dimensions: 241 × 24 × 242 mm
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Weight: 0.91 kg
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Agency Approvals: CE, UL, ATEX Zone 2, SIL 2 capable
Functional Features:
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Automatic sensor break detection
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Cold-junction compensation for thermocouples
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Same hot-swap and interchangeability
Application Scenarios:
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Motor stator winding hotspot mapping – 16 RTDs across 600 MW generator
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Bearing pad temperature trending – triggers lift-oil pump when >110 °C
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Gearbox oil temperature cascade control – 4-20 mA to DCS for cooler fan speed
