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Part Number: 991-06-70-01-05

Model: Thrust Transmitter

Manufacturer: Bently Nevada

Factory Warranty: 12 Months

Model: 991-06-70-01-05 - Thrust Transmitter

Full-scale Option: -06 - 0.6 -0- 0.6 mm

System Length Option: -70 - 7.0 metres (23.0 feet)

Mounting Option: -01 - 35 mm DIN-rail clips

The  991-06-70-01-05 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 occurs.

The 991-06-70-01-05 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.

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.

991-06-70-01-05 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.