The 990 Vibration Transmitter is intended primarily for theoriginal equipment manufacturers (OEMs) of centrifugal aircompressors or small pumps, motors, or fans who prefer toprovide a simple 4 to 20 mA proportional vibration signal asthe input to their machinery control system.
The transmitter is a two-wire, loop-powered device thataccepts input from our 3300 NSv proximity probe and itsmatching extension cable (available in 5 m and 7 m systemlength options).
The transmitter conditions the signal into appropriate peakto-peak vibration amplitude engineering units, and providesthis value as a proportional 4 to 20 mA industry-standardsignal as the input to the control system where machineryprotection 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: Full-scale Option
04 0-4 mils pp (0-100 μm pp)
05 0-5 mils pp (0-125 μm pp)
08 0-8 mils pp (0-200 μm pp)
10 0-10 mils pp (0-250 μm pp)

B: System Length Option
50 5.0 meters (16.4 feet)
70 7.0 meters (23.0 feet)

C: Mounting Option
01 35 mm DIN rail clips
02 Bulkhead screws
03 DIN clips and screws

D:Agency Approval Option
00 Not required
01 CSA Division 2

8

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We have tens of thousands of models and tens of thousands of stocks in stock, welcome to consult!

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