990-04-70-01-00 | Bently Nevada | 990 Vibration Transmitter

Product Specification

990-04-70-01-00 | Bently Nevada | 990 Vibration Transmitter

Product Description

The 990 Vibration 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 vibration signal as the input to their machinery control system.

The transmitter is a two-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 peakto-peak vibration amplitude engineering units, and provides this value as a proportional 4 to 20 mA industry-standard signal as the input to the control system where machinery protection alarming and logic occurs†.

The 990 transmitter provides the following notable features:

*Integrated Proximitor Sensor requires no external unit

*Non-isolated "PROX OUT" and "COM" terminals plus a coaxial connector to provide a dynamic vibration and gap voltage signal output for diagnostics.

*Non-interacting zero and span potentiometers under the Transmitter label supports loop adjustment.

*Test Input pin for quick verification of loop signal output, using a function generator as the input.

*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.

Product Information

• Estimated Lead Time : 12 - 16 weeks.

• Manufacturer : Bently Nevada

• Product No. : 990-04-70-01-00

• Product type : 990 Vibration Transmitter

• Made in U.S.A

• Can add on Certificate Of Origin (COO)

• Full-scale Option : 04 = 0-4 mils pp (0-100 µm pp)

• System Length Option : 70 = 7.0 metres (23.0 feet)

• Mounting Option : 01 = 35 mm DIN rail clips

• Agency Approval Option : 00 = Not required

• Input : Accepts 1 non-contacting 3300 NSv Proximity Probe and extension cable.

• Power : Requires +12 to +35 Vdc input at the transmitter terminal.

• Operating Temperature : -35 ?C to +85 ?C (-31 ?F to +185 ?F)

• Storage Temperature : -51 ?C to +100 ?C (-60 ?F to +212 ?F)

• Weight : 0.54 Kg

• Shipping weight : 2 Kg

Product Photo

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Why Choose Us

Xiamen ZhiCheng Automation Technology Co., Ltd it is a leading global supplier of control system components. We specialize in control systems and drives. With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts. We have tens of thousands of spare partsand spare parts warehouse . Products and services to serve for installing of users control system,Distributed control systems, programmable controllers, panel controller and drive!

We major in DCS system,Sensor,PLC,Connector,Valve, and Instrument,MAGNETRON,RO Membrane. With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are perfectly. If you have any further questions, please don't hesitate to contact us.

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