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本特利位移变送器
详细信息 The 991 Thrust Transmitter is intended primarily for the original equipment manufacturers (OEMs) of centrifugal air compressors or small pumps, motors, or fans who prefer to provide a simple 4 to 20 mA proportional axial displacement (thrust) signal as the input to their machinery control system. The transmitter is a 2-wire, loop-powered device that accepts input from our 3300 NSv* proximity probe and its matching extension cable (available in 5 m and 7 m system length options). The transmitter conditions the signal into appropriate engineering units proportional to the shaft’s axial position1, and provides it as a 4 to 20 mA industry-standard signal for input to the control system where machinery protection alarming and logic occurs2.
Electrical
Input
Accepts 1 non-contacting 3300 NSv Proximity Probe and extension cable.
Power
Requires +12 to +35 Vdc input at the transmitter terminal.
4 to 20 mA Signal Output
4 to 20 mAdc over specified full-scale range in 2-wire configuration.
4 to 20 mA Loop Accuracy
Within ±1.5% over specified full scale range (typical). Accuracy is rated from the TEST signal input to the voltage measured across a 250 Ω loop resistance. |
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