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          ?杭州玉沃自動化設備有限公司
          Hangzhou Yuwo Automations Equipment Co.,Ltd.???

          產品PRODUCTS

          產品詳情Products
          991本特利軸位移變送器
              發布時間: 2018-08-09 08:29    

          Bently Nevada 991 Thrust Transmitter991本特利軸位移變送器常用型號:

          Bently Nevada 991 Thrust Transmitter
          991本特利軸位移變送器常用型號:
          991-06-50-01-00 991-06-70-01-00
          991-25-50-01-00 991-25-70-01-00
          991-06-50-01-CN 991-06-70-01-CN
          991-25-50-01-CN 991-25-70-01-CN

          Description
          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.

          The 991 transmitter provides the following notable features:
          Integrated Proximitor* Sensor requires no external unit
          Non-isolated “PROX OUT " and "COM" terminals plus a coaxial connector provide a dynamic vibration and gap voltage signal output for diagnostics3.
          Non-interacting zero and span potentiometers under the Transmitter label supports loop adjustment.
          Test Input pin allows quick verification of loop signal output, using a variable DC voltage source as the input.
          A Power-up Inhibit circuit eliminates signal errors due to line voltage transients.
          A Not OK/Signal Defeat circuit prevents high outputs or false alarms due to a faulty proximity probe or loose connection.
          Choice of DIN-rail clips or bulkhead mounting screws as standard options simplifies mounting.
          Potted construction for high humidity (up to 100% condensing) environments.
          Compatibility with 3300 NSv proximity probe allows transducer installation in small areas with minimal clearance, typical of centrifugal air compressors.

          Ordering Information
          991-AXX-BXX-CXX-DXX

          A: Full-scale Option
          0 6   0.6 -0- 0.6 mm
          2 5   25-0-25 mils

          B: System Length Option
          5 0   5.0 metres (16.4 feet)
          7 0   7.0 metres (23.0 feet)

          C: Mounting Option
          0 1   35 mm DIN-rail clips
          0 2   Bulkhead screws
          0 3   DIN clips and screws

          D: Agency Approval Option
          0 0   Not required
          0 1   CSA Division 2
          0 5   CSA Division 2, ATEX Zone 0, ATEX Zone 2 and includes ABS maritime approval


          OEM定制型號:

          991-01-XX-01-00 (W/MOD 288865-01)
          991-01-XX-01-00 (W/MOD 284318-01)
          991-01-XX-01-05 (W/MOD 284318-01)
          991-01-XX-02-00 (W/MOD 284318-01)
          991-06-XX-01-00 (W/MOD 169955-01)
          991-06-XX-01-00 (W/MOD 164113-01)
          991-06-XX-01-CN (W/MOD 169955-01)
          991-25-XX-02-00 (W/MOD 164113-01)
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